[1850] | 1 | !> @file surface_layer_fluxes_mod.f90 |
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[2000] | 2 | !------------------------------------------------------------------------------! |
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[2696] | 3 | ! This file is part of the PALM model system. |
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[1691] | 4 | ! |
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[2000] | 5 | ! PALM is free software: you can redistribute it and/or modify it under the |
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| 6 | ! terms of the GNU General Public License as published by the Free Software |
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| 7 | ! Foundation, either version 3 of the License, or (at your option) any later |
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| 8 | ! version. |
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[1691] | 9 | ! |
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| 10 | ! PALM is distributed in the hope that it will be useful, but WITHOUT ANY |
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| 11 | ! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR |
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| 12 | ! A PARTICULAR PURPOSE. See the GNU General Public License for more details. |
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| 13 | ! |
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| 14 | ! You should have received a copy of the GNU General Public License along with |
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| 15 | ! PALM. If not, see <http://www.gnu.org/licenses/>. |
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| 16 | ! |
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[3655] | 17 | ! Copyright 1997-2019 Leibniz Universitaet Hannover |
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[1691] | 18 | ! |
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[2000] | 19 | !------------------------------------------------------------------------------! |
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[2696] | 20 | ! |
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[1691] | 21 | ! Current revisions: |
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[1747] | 22 | ! ------------------ |
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[1758] | 23 | ! |
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[3745] | 24 | ! |
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[1692] | 25 | ! Former revisions: |
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| 26 | ! ----------------- |
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| 27 | ! $Id: surface_layer_fluxes_mod.f90 3834 2019-03-28 15:40:15Z forkel $ |
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[3833] | 28 | ! added USE chem_gasphase_mod |
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| 29 | ! |
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| 30 | ! 3787 2019-03-07 08:43:54Z raasch |
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[3787] | 31 | ! unused variables removed |
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| 32 | ! |
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| 33 | ! 3745 2019-02-15 18:57:56Z suehring |
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[3745] | 34 | ! Bugfix, missing calculation of 10cm temperature at vertical building walls, |
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| 35 | ! required for indoor model |
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| 36 | ! |
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| 37 | ! 3744 2019-02-15 18:38:58Z suehring |
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[3685] | 38 | ! Some interface calls moved to module_interface + cleanup |
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| 39 | ! |
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| 40 | ! 3668 2019-01-14 12:49:24Z maronga |
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[3668] | 41 | ! Removed methods "circular" and "lookup" |
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| 42 | ! |
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| 43 | ! 3655 2019-01-07 16:51:22Z knoop |
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[3634] | 44 | ! OpenACC port for SPEC |
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| 45 | ! |
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| 46 | ! 3597 2018-12-04 08:40:18Z maronga |
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[3597] | 47 | ! Added routine for calculating near surface air potential temperature (moved |
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| 48 | ! from urban_surface_mod) |
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| 49 | ! |
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| 50 | ! 3547 2018-11-21 13:21:24Z suehring |
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[3547] | 51 | ! variables documented |
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| 52 | ! |
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| 53 | ! 3361 2018-10-16 20:39:37Z knoop |
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[3274] | 54 | ! Modularization of all bulk cloud physics code components |
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| 55 | ! |
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| 56 | ! 3271 2018-09-24 08:20:34Z suehring |
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[3271] | 57 | ! Comment revised |
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| 58 | ! |
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| 59 | ! 3157 2018-07-19 21:08:49Z maronga |
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[3157] | 60 | ! Added local free convection velocity scale w_lfc in calculation of uvw_abs. |
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| 61 | ! This can be switche on/off by the user via the flag namelist parameter |
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| 62 | ! use_free_convection_scaling |
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| 63 | ! |
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| 64 | ! 3152 2018-07-19 13:26:52Z suehring |
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[3152] | 65 | ! q_surface is now part of surface structure |
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| 66 | ! |
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| 67 | ! 3149 2018-07-19 05:48:09Z maronga |
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[3149] | 68 | ! Correct accidental last commit |
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| 69 | ! |
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| 70 | ! 3148 2018-07-19 05:45:25Z maronga |
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[3147] | 71 | ! Major bugfix in calculation of Obukhov length |
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| 72 | ! |
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| 73 | ! 3146 2018-07-18 22:36:19Z maronga |
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[3130] | 74 | ! move phi_m from turbulence_closure_mod |
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| 75 | ! |
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| 76 | ! 3045 2018-05-28 07:55:41Z Giersch |
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[3045] | 77 | ! Error message revised |
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| 78 | ! |
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| 79 | ! 2766 2018-01-22 17:17:47Z kanani |
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[2766] | 80 | ! Removed preprocessor directive __chem |
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| 81 | ! |
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| 82 | ! 2718 2018-01-02 08:49:38Z maronga |
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[2716] | 83 | ! Corrected "Former revisions" section |
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| 84 | ! |
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| 85 | ! 2696 2017-12-14 17:12:51Z kanani |
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| 86 | ! - Change in file header (GPL part) |
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[2696] | 87 | ! - Implementation of chemistry module (FK) |
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| 88 | ! - Added calculation of pt1 and qv1 for all surface types. Added calculation of |
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| 89 | ! pt_surface for default-type surfaces (BM) |
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| 90 | ! - Add flag to disable computation of qsws in case of urban surface (MS) |
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| 91 | ! |
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| 92 | ! 2547 2017-10-16 12:41:56Z schwenkel |
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[2547] | 93 | ! extended by cloud_droplets option |
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| 94 | ! |
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| 95 | ! 2321 2017-07-24 15:57:07Z schwenkel |
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[2321] | 96 | ! Bugfix: Correct index in lookup table for Obukhov length |
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| 97 | ! |
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| 98 | ! 2299 2017-06-29 10:14:38Z suehring |
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[2299] | 99 | ! Adjusted for allow separate spinups of LSM and atmosphere code |
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| 100 | ! |
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| 101 | ! 2292 2017-06-20 09:51:42Z schwenkel |
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[2292] | 102 | ! Implementation of new microphysic scheme: cloud_scheme = 'morrison' |
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| 103 | ! includes two more prognostic equations for cloud drop concentration (nc) |
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| 104 | ! and cloud water content (qc). |
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| 105 | ! |
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| 106 | ! 2281 2017-06-13 11:34:50Z suehring |
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[2281] | 107 | ! Clean-up unnecessary index access to surface type |
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| 108 | ! |
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| 109 | ! 2233 2017-05-30 18:08:54Z suehring |
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[1692] | 110 | ! |
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[2233] | 111 | ! 2232 2017-05-30 17:47:52Z suehring |
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| 112 | ! Adjustments to new surface concept |
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| 113 | ! OpenMP bugfix |
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| 114 | ! |
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[2119] | 115 | ! 2118 2017-01-17 16:38:49Z raasch |
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| 116 | ! OpenACC directives and related code removed |
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| 117 | ! |
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[2092] | 118 | ! 2091 2016-12-21 16:38:18Z suehring |
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| 119 | ! Bugfix in calculation of vsws ( incorrect linear interpolation of us ) |
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| 120 | ! |
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[2077] | 121 | ! 2076 2016-12-02 13:54:20Z raasch |
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| 122 | ! further openmp bugfix for lookup method |
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| 123 | ! |
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[2074] | 124 | ! 2073 2016-11-30 14:34:05Z raasch |
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| 125 | ! openmp bugfix for lookup method |
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| 126 | ! |
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[2038] | 127 | ! 2037 2016-10-26 11:15:40Z knoop |
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| 128 | ! Anelastic approximation implemented |
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| 129 | ! |
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[2012] | 130 | ! 2011 2016-09-19 17:29:57Z kanani |
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| 131 | ! Flag urban_surface is now defined in module control_parameters. |
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| 132 | ! |
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[2008] | 133 | ! 2007 2016-08-24 15:47:17Z kanani |
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| 134 | ! Account for urban surface model in computation of vertical kinematic heatflux |
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| 135 | ! |
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[2001] | 136 | ! 2000 2016-08-20 18:09:15Z knoop |
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| 137 | ! Forced header and separation lines into 80 columns |
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| 138 | ! |
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[1993] | 139 | ! 1992 2016-08-12 15:14:59Z suehring |
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| 140 | ! Minor bug, declaration of look-up index as INTEGER |
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| 141 | ! |
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[1961] | 142 | ! 1960 2016-07-12 16:34:24Z suehring |
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| 143 | ! Treat humidity and passive scalar separately |
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| 144 | ! |
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[1930] | 145 | ! 1929 2016-06-09 16:25:25Z suehring |
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| 146 | ! Bugfix: avoid segmentation fault in case one grid point is horizontally |
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| 147 | ! completely surrounded by topography |
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| 148 | ! |
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[1921] | 149 | ! 1920 2016-05-30 10:50:15Z suehring |
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| 150 | ! Avoid segmentation fault (see change in 1915) by different initialization of |
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| 151 | ! us instead of adding a very small number in the denominator |
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| 152 | ! |
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[1916] | 153 | ! 1915 2016-05-27 11:05:02Z suehring |
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| 154 | ! Bugfix: avoid segmentation fault in case of most_method = 'circular' at first |
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| 155 | ! timestep |
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| 156 | ! |
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[1851] | 157 | ! 1850 2016-04-08 13:29:27Z maronga |
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| 158 | ! Module renamed |
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| 159 | ! |
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| 160 | ! |
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[1823] | 161 | ! 1822 2016-04-07 07:49:42Z hoffmann |
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| 162 | ! icloud_scheme replaced by microphysics_* |
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| 163 | ! |
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[1789] | 164 | ! 1788 2016-03-10 11:01:04Z maronga |
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| 165 | ! Added parameter z0q which replaces z0h in the similarity functions for |
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| 166 | ! humidity. |
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| 167 | ! Syntax layout improved. |
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| 168 | ! |
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[1758] | 169 | ! 1757 2016-02-22 15:49:32Z maronga |
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| 170 | ! Minor fixes. |
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| 171 | ! |
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[1750] | 172 | ! 1749 2016-02-09 12:19:56Z raasch |
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| 173 | ! further OpenACC adjustments |
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| 174 | ! |
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[1748] | 175 | ! 1747 2016-02-08 12:25:53Z raasch |
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| 176 | ! adjustments for OpenACC usage |
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| 177 | ! |
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[1710] | 178 | ! 1709 2015-11-04 14:47:01Z maronga |
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| 179 | ! Bugfix: division by zero could occur when calculating rib at low wind speeds |
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| 180 | ! Bugfix: calculation of uv_total for neutral = .T., initial value for ol for |
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| 181 | ! neutral = .T. |
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| 182 | ! |
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[1706] | 183 | ! 1705 2015-11-02 14:28:56Z maronga |
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| 184 | ! Typo removed |
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| 185 | ! |
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[1698] | 186 | ! 1697 2015-10-28 17:14:10Z raasch |
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| 187 | ! FORTRAN and OpenMP errors removed |
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| 188 | ! |
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[1697] | 189 | ! 1696 2015-10-27 10:03:34Z maronga |
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[1691] | 190 | ! Modularized and completely re-written version of prandtl_fluxes.f90. In the |
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| 191 | ! course of the re-writing two additional methods have been implemented. See |
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| 192 | ! updated description. |
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| 193 | ! |
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| 194 | ! 1551 2015-03-03 14:18:16Z maronga |
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| 195 | ! Removed land surface model part. The surface fluxes are now always calculated |
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| 196 | ! within prandtl_fluxes, based on the given surface temperature/humidity (which |
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| 197 | ! is either provided by the land surface model, by large scale forcing data, or |
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| 198 | ! directly prescribed by the user. |
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| 199 | ! |
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| 200 | ! 1496 2014-12-02 17:25:50Z maronga |
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| 201 | ! Adapted for land surface model |
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| 202 | ! |
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| 203 | ! 1494 2014-11-21 17:14:03Z maronga |
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| 204 | ! Bugfixes: qs is now calculated before calculation of Rif. calculation of |
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| 205 | ! buoyancy flux in Rif corrected (added missing humidity term), allow use of |
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| 206 | ! topography for coupled runs (not tested) |
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| 207 | ! |
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| 208 | ! 1361 2014-04-16 15:17:48Z hoffmann |
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| 209 | ! Bugfix: calculation of turbulent fluxes of rain water content (qrsws) and rain |
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| 210 | ! drop concentration (nrsws) added |
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| 211 | ! |
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| 212 | ! 1340 2014-03-25 19:45:13Z kanani |
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| 213 | ! REAL constants defined as wp-kind |
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| 214 | ! |
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| 215 | ! 1320 2014-03-20 08:40:49Z raasch |
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| 216 | ! ONLY-attribute added to USE-statements, |
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| 217 | ! kind-parameters added to all INTEGER and REAL declaration statements, |
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| 218 | ! kinds are defined in new module kinds, |
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| 219 | ! old module precision_kind is removed, |
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| 220 | ! revision history before 2012 removed, |
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| 221 | ! comment fields (!:) to be used for variable explanations added to |
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| 222 | ! all variable declaration statements |
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| 223 | ! |
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| 224 | ! 1276 2014-01-15 13:40:41Z heinze |
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| 225 | ! Use LSF_DATA also in case of Dirichlet bottom boundary condition for scalars |
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| 226 | ! |
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| 227 | ! 1257 2013-11-08 15:18:40Z raasch |
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| 228 | ! openACC "kernels do" replaced by "kernels loop", "loop independent" added |
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| 229 | ! |
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| 230 | ! 1036 2012-10-22 13:43:42Z raasch |
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| 231 | ! code put under GPL (PALM 3.9) |
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| 232 | ! |
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| 233 | ! 1015 2012-09-27 09:23:24Z raasch |
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| 234 | ! OpenACC statements added |
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| 235 | ! |
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| 236 | ! 978 2012-08-09 08:28:32Z fricke |
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| 237 | ! roughness length for scalar quantities z0h added |
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| 238 | ! |
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| 239 | ! Revision 1.1 1998/01/23 10:06:06 raasch |
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| 240 | ! Initial revision |
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| 241 | ! |
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| 242 | ! |
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| 243 | ! Description: |
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| 244 | ! ------------ |
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| 245 | !> Diagnostic computation of vertical fluxes in the constant flux layer from the |
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[3668] | 246 | !> values of the variables at grid point k=1 based on Newton iteration |
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[1691] | 247 | !> |
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| 248 | !> @todo (re)move large_scale_forcing actions |
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[2118] | 249 | !> @todo check/optimize OpenMP directives |
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[2696] | 250 | !> @todo simplify if conditions (which flux need to be computed in which case) |
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[1691] | 251 | !------------------------------------------------------------------------------! |
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| 252 | MODULE surface_layer_fluxes_mod |
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| 253 | |
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| 254 | USE arrays_3d, & |
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[2292] | 255 | ONLY: e, kh, nc, nr, pt, q, ql, qc, qr, s, u, v, vpt, w, zu, zw, & |
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[3274] | 256 | drho_air_zw, rho_air_zw, d_exner |
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[1691] | 257 | |
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[3274] | 258 | USE basic_constants_and_equations_mod, & |
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[3361] | 259 | ONLY: g, kappa, lv_d_cp, pi, rd_d_rv |
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[3274] | 260 | |
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[3833] | 261 | USE chem_gasphase_mod, & |
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| 262 | ONLY: nvar |
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| 263 | |
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[2696] | 264 | USE chem_modules, & |
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[3834] | 265 | ONLY: constant_csflux |
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[2696] | 266 | |
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[1691] | 267 | USE cpulog |
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| 268 | |
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| 269 | USE control_parameters, & |
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[3274] | 270 | ONLY: air_chemistry, cloud_droplets, & |
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| 271 | constant_heatflux, constant_scalarflux, & |
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[3597] | 272 | constant_waterflux, coupling_mode, do_output_at_2m, humidity, & |
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| 273 | ibc_e_b, ibc_pt_b, indoor_model, initializing_actions, & |
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[2232] | 274 | intermediate_timestep_count, intermediate_timestep_count_max, & |
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[3274] | 275 | land_surface, large_scale_forcing, lsf_surf, message_string, & |
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[3668] | 276 | neutral, passive_scalar, pt_surface, q_surface, & |
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[2292] | 277 | run_coupled, surface_pressure, simulated_time, terminate_run, & |
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[3157] | 278 | time_since_reference_point, urban_surface, & |
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| 279 | use_free_convection_scaling, zeta_max, zeta_min |
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[1691] | 280 | |
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[2232] | 281 | USE grid_variables, & |
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| 282 | ONLY: dx, dy |
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| 283 | |
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[1691] | 284 | USE indices, & |
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[2232] | 285 | ONLY: nxl, nxr, nys, nyn, nzb |
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[1691] | 286 | |
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| 287 | USE kinds |
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| 288 | |
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[3274] | 289 | USE bulk_cloud_model_mod, & |
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| 290 | ONLY: bulk_cloud_model, microphysics_morrison, microphysics_seifert |
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| 291 | |
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[1691] | 292 | USE pegrid |
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| 293 | |
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| 294 | USE land_surface_model_mod, & |
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[2232] | 295 | ONLY: aero_resist_kray, skip_time_do_lsm |
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[2011] | 296 | |
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[2232] | 297 | USE surface_mod, & |
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| 298 | ONLY : surf_def_h, surf_def_v, surf_lsm_h, surf_lsm_v, surf_type, & |
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| 299 | surf_usm_h, surf_usm_v |
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[2007] | 300 | |
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[1691] | 301 | |
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| 302 | IMPLICIT NONE |
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| 303 | |
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[1992] | 304 | INTEGER(iwp) :: i !< loop index x direction |
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| 305 | INTEGER(iwp) :: j !< loop index y direction |
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| 306 | INTEGER(iwp) :: k !< loop index z direction |
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[2232] | 307 | INTEGER(iwp) :: l !< loop index for surf type |
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[1691] | 308 | |
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[2232] | 309 | INTEGER(iwp), PARAMETER :: num_steps = 15000 !< number of steps in the lookup table |
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[1691] | 310 | |
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[2232] | 311 | LOGICAL :: coupled_run !< Flag for coupled atmosphere-ocean runs |
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| 312 | LOGICAL :: downward = .FALSE.!< Flag indicating downward-facing horizontal surface |
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| 313 | LOGICAL :: mom_uv = .FALSE. !< Flag indicating calculation of usvs and vsus at vertical surfaces |
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| 314 | LOGICAL :: mom_w = .FALSE. !< Flag indicating calculation of wsus and wsvs at vertical surfaces |
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| 315 | LOGICAL :: mom_tke = .FALSE. !< Flag indicating calculation of momentum fluxes at vertical surfaces used for TKE production |
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| 316 | LOGICAL :: surf_vertical !< Flag indicating vertical surfaces |
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[1691] | 317 | |
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| 318 | REAL(wp) :: e_s, & !< Saturation water vapor pressure |
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| 319 | ol_max = 1.0E6_wp, & !< Maximum Obukhov length |
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| 320 | z_mo !< Height of the constant flux layer where MOST is assumed |
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| 321 | |
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[2232] | 322 | TYPE(surf_type), POINTER :: surf !< surf-type array, used to generalize subroutines |
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[1691] | 323 | |
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[2232] | 324 | |
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[1691] | 325 | SAVE |
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| 326 | |
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| 327 | PRIVATE |
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| 328 | |
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[3130] | 329 | PUBLIC init_surface_layer_fluxes, phi_m, surface_layer_fluxes |
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[1691] | 330 | |
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| 331 | INTERFACE init_surface_layer_fluxes |
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| 332 | MODULE PROCEDURE init_surface_layer_fluxes |
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| 333 | END INTERFACE init_surface_layer_fluxes |
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| 334 | |
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[3130] | 335 | INTERFACE phi_m |
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| 336 | MODULE PROCEDURE phi_m |
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| 337 | END INTERFACE phi_m |
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| 338 | |
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[1691] | 339 | INTERFACE surface_layer_fluxes |
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| 340 | MODULE PROCEDURE surface_layer_fluxes |
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| 341 | END INTERFACE surface_layer_fluxes |
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| 342 | |
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| 343 | |
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| 344 | CONTAINS |
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| 345 | |
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| 346 | |
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| 347 | !------------------------------------------------------------------------------! |
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| 348 | ! Description: |
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| 349 | ! ------------ |
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| 350 | !> Main routine to compute the surface fluxes |
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| 351 | !------------------------------------------------------------------------------! |
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| 352 | SUBROUTINE surface_layer_fluxes |
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| 353 | |
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| 354 | IMPLICIT NONE |
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| 355 | |
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[3547] | 356 | surf_vertical = .FALSE. !< flag indicating vertically orientated surface elements |
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| 357 | downward = .FALSE. !< flag indicating downward-facing surface elements |
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[1691] | 358 | ! |
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[2696] | 359 | !-- Derive potential temperature and specific humidity at first grid level |
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| 360 | !-- from the fields pt and q |
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[2232] | 361 | ! |
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[2696] | 362 | !-- First call for horizontal default-type surfaces (l=0 - upward facing, |
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| 363 | !-- l=1 - downward facing) |
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| 364 | DO l = 0, 1 |
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| 365 | IF ( surf_def_h(l)%ns >= 1 ) THEN |
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| 366 | surf => surf_def_h(l) |
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| 367 | CALL calc_pt_q |
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[3146] | 368 | IF ( .NOT. neutral ) THEN |
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| 369 | CALL calc_pt_surface |
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| 370 | IF ( humidity ) THEN |
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[3152] | 371 | CALL calc_q_surface |
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[3146] | 372 | CALL calc_vpt_surface |
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| 373 | ENDIF |
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| 374 | ENDIF |
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[2696] | 375 | ENDIF |
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| 376 | ENDDO |
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[2232] | 377 | ! |
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[2696] | 378 | !-- Call for natural-type horizontal surfaces |
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| 379 | IF ( surf_lsm_h%ns >= 1 ) THEN |
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| 380 | surf => surf_lsm_h |
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| 381 | CALL calc_pt_q |
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| 382 | ENDIF |
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| 383 | |
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| 384 | ! |
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| 385 | !-- Call for urban-type horizontal surfaces |
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| 386 | IF ( surf_usm_h%ns >= 1 ) THEN |
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| 387 | surf => surf_usm_h |
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| 388 | CALL calc_pt_q |
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| 389 | ENDIF |
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| 390 | |
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| 391 | ! |
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| 392 | !-- Call for natural-type vertical surfaces |
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| 393 | DO l = 0, 3 |
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| 394 | IF ( surf_lsm_v(l)%ns >= 1 ) THEN |
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| 395 | surf => surf_lsm_v(l) |
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[2232] | 396 | CALL calc_pt_q |
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| 397 | ENDIF |
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[2696] | 398 | |
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[3146] | 399 | !-- Call for urban-type vertical surfaces |
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[2696] | 400 | IF ( surf_usm_v(l)%ns >= 1 ) THEN |
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| 401 | surf => surf_usm_v(l) |
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[2232] | 402 | CALL calc_pt_q |
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| 403 | ENDIF |
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[2696] | 404 | ENDDO |
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[1691] | 405 | |
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| 406 | ! |
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| 407 | !-- First, calculate the new Obukhov length, then new friction velocity, |
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| 408 | !-- followed by the new scaling parameters (th*, q*, etc.), and the new |
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[3668] | 409 | !-- surface fluxes if required. Note, each routine is called for different surface types. |
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[2232] | 410 | !-- First call for default-type horizontal surfaces, for natural- and |
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| 411 | !-- urban-type surfaces. Note, at this place only upward-facing horizontal |
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[3668] | 412 | !-- surfaces are treated. |
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| 413 | |
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[2232] | 414 | ! |
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[3668] | 415 | !-- Default-type upward-facing horizontal surfaces |
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| 416 | IF ( surf_def_h(0)%ns >= 1 ) THEN |
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| 417 | surf => surf_def_h(0) |
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| 418 | CALL calc_uvw_abs |
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| 419 | IF ( .NOT. neutral ) CALL calc_ol |
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| 420 | CALL calc_us |
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| 421 | CALL calc_scaling_parameters |
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| 422 | CALL calc_surface_fluxes |
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| 423 | IF ( do_output_at_2m ) THEN |
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| 424 | CALL calc_pt_near_surface ( '2m' ) |
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[1691] | 425 | ENDIF |
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[3668] | 426 | ENDIF |
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[1691] | 427 | ! |
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[3668] | 428 | !-- Natural-type horizontal surfaces |
---|
| 429 | IF ( surf_lsm_h%ns >= 1 ) THEN |
---|
| 430 | surf => surf_lsm_h |
---|
| 431 | CALL calc_uvw_abs |
---|
| 432 | IF ( .NOT. neutral ) CALL calc_ol |
---|
| 433 | CALL calc_us |
---|
| 434 | CALL calc_scaling_parameters |
---|
| 435 | CALL calc_surface_fluxes |
---|
| 436 | IF ( do_output_at_2m ) THEN |
---|
| 437 | CALL calc_pt_near_surface ( '2m' ) |
---|
[2232] | 438 | ENDIF |
---|
[3668] | 439 | ENDIF |
---|
[2232] | 440 | ! |
---|
[3668] | 441 | !-- Urban-type horizontal surfaces |
---|
| 442 | IF ( surf_usm_h%ns >= 1 ) THEN |
---|
| 443 | surf => surf_usm_h |
---|
| 444 | CALL calc_uvw_abs |
---|
| 445 | IF ( .NOT. neutral ) CALL calc_ol |
---|
| 446 | CALL calc_us |
---|
| 447 | CALL calc_scaling_parameters |
---|
| 448 | CALL calc_surface_fluxes |
---|
| 449 | IF ( do_output_at_2m ) THEN |
---|
| 450 | CALL calc_pt_near_surface ( '2m' ) |
---|
[2232] | 451 | ENDIF |
---|
[3744] | 452 | ! |
---|
| 453 | !-- Calculate 10cm temperature, required in indoor model |
---|
| 454 | IF ( indoor_model ) CALL calc_pt_near_surface ( '10cm' ) |
---|
[3668] | 455 | ENDIF |
---|
[1691] | 456 | |
---|
[2232] | 457 | ! |
---|
| 458 | !-- Treat downward-facing horizontal surfaces. Note, so far, these are |
---|
| 459 | !-- always default type. Stratification is not considered |
---|
| 460 | !-- in this case, hence, no further distinction between different |
---|
| 461 | !-- most_method is required. |
---|
| 462 | IF ( surf_def_h(1)%ns >= 1 ) THEN |
---|
| 463 | downward = .TRUE. |
---|
| 464 | surf => surf_def_h(1) |
---|
| 465 | CALL calc_uvw_abs |
---|
[1691] | 466 | CALL calc_us |
---|
| 467 | CALL calc_surface_fluxes |
---|
[2232] | 468 | downward = .FALSE. |
---|
[1691] | 469 | ENDIF |
---|
[2232] | 470 | ! |
---|
| 471 | !-- Calculate surfaces fluxes at vertical surfaces for momentum |
---|
| 472 | !-- and subgrid-scale TKE. |
---|
| 473 | !-- No stability is considered. Therefore, scaling parameters and Obukhov- |
---|
| 474 | !-- length do not need to be calculated and no distinction in 'circular', |
---|
| 475 | !-- 'Newton' or 'lookup' is necessary so far. |
---|
| 476 | !-- Note, this will change if stability is once considered. |
---|
| 477 | surf_vertical = .TRUE. |
---|
| 478 | ! |
---|
| 479 | !-- Calculate horizontal momentum fluxes at north- and south-facing |
---|
| 480 | !-- surfaces(usvs). |
---|
| 481 | !-- For default-type surfaces |
---|
| 482 | mom_uv = .TRUE. |
---|
| 483 | DO l = 0, 1 |
---|
| 484 | IF ( surf_def_v(l)%ns >= 1 ) THEN |
---|
| 485 | surf => surf_def_v(l) |
---|
| 486 | ! |
---|
| 487 | !-- Compute surface-parallel velocity |
---|
| 488 | CALL calc_uvw_abs_v_ugrid |
---|
| 489 | ! |
---|
| 490 | !-- Compute respective friction velocity on staggered grid |
---|
| 491 | CALL calc_us |
---|
| 492 | ! |
---|
| 493 | !-- Compute respective surface fluxes for momentum and TKE |
---|
| 494 | CALL calc_surface_fluxes |
---|
| 495 | ENDIF |
---|
| 496 | ENDDO |
---|
| 497 | ! |
---|
| 498 | !-- For natural-type surfaces. Please note, even though stability is not |
---|
| 499 | !-- considered for the calculation of momentum fluxes at vertical surfaces, |
---|
| 500 | !-- scaling parameters and Obukov length are calculated nevertheless in this |
---|
| 501 | !-- case. This is due to the requirement of ts in parameterization of heat |
---|
| 502 | !-- flux in land-surface model in case of aero_resist_kray is not true. |
---|
| 503 | IF ( .NOT. aero_resist_kray ) THEN |
---|
[3668] | 504 | DO l = 0, 1 |
---|
| 505 | IF ( surf_lsm_v(l)%ns >= 1 ) THEN |
---|
| 506 | surf => surf_lsm_v(l) |
---|
[2232] | 507 | ! |
---|
[3668] | 508 | !-- Compute surface-parallel velocity |
---|
| 509 | CALL calc_uvw_abs_v_ugrid |
---|
[2232] | 510 | ! |
---|
[3668] | 511 | !-- Compute Obukhov length |
---|
| 512 | IF ( .NOT. neutral ) CALL calc_ol |
---|
[2232] | 513 | ! |
---|
[3668] | 514 | !-- Compute respective friction velocity on staggered grid |
---|
| 515 | CALL calc_us |
---|
[2232] | 516 | ! |
---|
[3668] | 517 | !-- Compute scaling parameters |
---|
| 518 | CALL calc_scaling_parameters |
---|
[2232] | 519 | ! |
---|
[3668] | 520 | !-- Compute respective surface fluxes for momentum and TKE |
---|
| 521 | CALL calc_surface_fluxes |
---|
| 522 | ENDIF |
---|
| 523 | ENDDO |
---|
[2232] | 524 | ! |
---|
| 525 | !-- No ts is required, so scaling parameters and Obukhov length do not need |
---|
| 526 | !-- to be computed. |
---|
| 527 | ELSE |
---|
| 528 | DO l = 0, 1 |
---|
| 529 | IF ( surf_lsm_v(l)%ns >= 1 ) THEN |
---|
| 530 | surf => surf_lsm_v(l) |
---|
| 531 | ! |
---|
| 532 | !-- Compute surface-parallel velocity |
---|
| 533 | CALL calc_uvw_abs_v_ugrid |
---|
| 534 | ! |
---|
| 535 | !-- Compute respective friction velocity on staggered grid |
---|
| 536 | CALL calc_us |
---|
| 537 | ! |
---|
| 538 | !-- Compute respective surface fluxes for momentum and TKE |
---|
| 539 | CALL calc_surface_fluxes |
---|
| 540 | ENDIF |
---|
| 541 | ENDDO |
---|
| 542 | ENDIF |
---|
| 543 | ! |
---|
| 544 | !-- For urban-type surfaces |
---|
| 545 | DO l = 0, 1 |
---|
| 546 | IF ( surf_usm_v(l)%ns >= 1 ) THEN |
---|
| 547 | surf => surf_usm_v(l) |
---|
| 548 | ! |
---|
| 549 | !-- Compute surface-parallel velocity |
---|
| 550 | CALL calc_uvw_abs_v_ugrid |
---|
| 551 | ! |
---|
| 552 | !-- Compute respective friction velocity on staggered grid |
---|
| 553 | CALL calc_us |
---|
| 554 | ! |
---|
| 555 | !-- Compute respective surface fluxes for momentum and TKE |
---|
| 556 | CALL calc_surface_fluxes |
---|
[3744] | 557 | ! |
---|
| 558 | !-- Calculate 10cm temperature, required in indoor model |
---|
| 559 | IF ( indoor_model ) CALL calc_pt_near_surface ( '10cm' ) |
---|
[2232] | 560 | ENDIF |
---|
| 561 | ENDDO |
---|
| 562 | ! |
---|
| 563 | !-- Calculate horizontal momentum fluxes at east- and west-facing |
---|
| 564 | !-- surfaces (vsus). |
---|
| 565 | !-- For default-type surfaces |
---|
| 566 | DO l = 2, 3 |
---|
| 567 | IF ( surf_def_v(l)%ns >= 1 ) THEN |
---|
| 568 | surf => surf_def_v(l) |
---|
| 569 | ! |
---|
| 570 | !-- Compute surface-parallel velocity |
---|
| 571 | CALL calc_uvw_abs_v_vgrid |
---|
| 572 | ! |
---|
| 573 | !-- Compute respective friction velocity on staggered grid |
---|
| 574 | CALL calc_us |
---|
| 575 | ! |
---|
| 576 | !-- Compute respective surface fluxes for momentum and TKE |
---|
| 577 | CALL calc_surface_fluxes |
---|
[3744] | 578 | |
---|
[2232] | 579 | ENDIF |
---|
| 580 | ENDDO |
---|
| 581 | ! |
---|
| 582 | !-- For natural-type surfaces. Please note, even though stability is not |
---|
| 583 | !-- considered for the calculation of momentum fluxes at vertical surfaces, |
---|
| 584 | !-- scaling parameters and Obukov length are calculated nevertheless in this |
---|
| 585 | !-- case. This is due to the requirement of ts in parameterization of heat |
---|
| 586 | !-- flux in land-surface model in case of aero_resist_kray is not true. |
---|
| 587 | IF ( .NOT. aero_resist_kray ) THEN |
---|
[3668] | 588 | DO l = 2, 3 |
---|
| 589 | IF ( surf_lsm_v(l)%ns >= 1 ) THEN |
---|
| 590 | surf => surf_lsm_v(l) |
---|
[2232] | 591 | ! |
---|
[3668] | 592 | !-- Compute surface-parallel velocity |
---|
| 593 | CALL calc_uvw_abs_v_vgrid |
---|
[2232] | 594 | ! |
---|
[3668] | 595 | !-- Compute Obukhov length |
---|
| 596 | IF ( .NOT. neutral ) CALL calc_ol |
---|
[2232] | 597 | ! |
---|
[3668] | 598 | !-- Compute respective friction velocity on staggered grid |
---|
| 599 | CALL calc_us |
---|
[2232] | 600 | ! |
---|
[3668] | 601 | !-- Compute scaling parameters |
---|
| 602 | CALL calc_scaling_parameters |
---|
[2232] | 603 | ! |
---|
[3668] | 604 | !-- Compute respective surface fluxes for momentum and TKE |
---|
| 605 | CALL calc_surface_fluxes |
---|
| 606 | ENDIF |
---|
| 607 | ENDDO |
---|
[2232] | 608 | ELSE |
---|
| 609 | DO l = 2, 3 |
---|
| 610 | IF ( surf_lsm_v(l)%ns >= 1 ) THEN |
---|
| 611 | surf => surf_lsm_v(l) |
---|
| 612 | ! |
---|
| 613 | !-- Compute surface-parallel velocity |
---|
| 614 | CALL calc_uvw_abs_v_vgrid |
---|
| 615 | ! |
---|
| 616 | !-- Compute respective friction velocity on staggered grid |
---|
| 617 | CALL calc_us |
---|
| 618 | ! |
---|
| 619 | !-- Compute respective surface fluxes for momentum and TKE |
---|
| 620 | CALL calc_surface_fluxes |
---|
| 621 | ENDIF |
---|
| 622 | ENDDO |
---|
| 623 | ENDIF |
---|
| 624 | ! |
---|
| 625 | !-- For urban-type surfaces |
---|
| 626 | DO l = 2, 3 |
---|
| 627 | IF ( surf_usm_v(l)%ns >= 1 ) THEN |
---|
| 628 | surf => surf_usm_v(l) |
---|
| 629 | ! |
---|
| 630 | !-- Compute surface-parallel velocity |
---|
| 631 | CALL calc_uvw_abs_v_vgrid |
---|
| 632 | ! |
---|
| 633 | !-- Compute respective friction velocity on staggered grid |
---|
| 634 | CALL calc_us |
---|
| 635 | ! |
---|
| 636 | !-- Compute respective surface fluxes for momentum and TKE |
---|
| 637 | CALL calc_surface_fluxes |
---|
[3744] | 638 | ! |
---|
| 639 | !-- Calculate 10cm temperature, required in indoor model |
---|
| 640 | IF ( indoor_model ) CALL calc_pt_near_surface ( '10cm' ) |
---|
[2232] | 641 | ENDIF |
---|
| 642 | ENDDO |
---|
| 643 | mom_uv = .FALSE. |
---|
| 644 | ! |
---|
| 645 | !-- Calculate horizontal momentum fluxes of w (wsus and wsvs) at vertial |
---|
| 646 | !-- surfaces. |
---|
| 647 | mom_w = .TRUE. |
---|
| 648 | ! |
---|
| 649 | !-- Default-type surfaces |
---|
| 650 | DO l = 0, 3 |
---|
| 651 | IF ( surf_def_v(l)%ns >= 1 ) THEN |
---|
| 652 | surf => surf_def_v(l) |
---|
| 653 | CALL calc_uvw_abs_v_wgrid |
---|
| 654 | CALL calc_us |
---|
| 655 | CALL calc_surface_fluxes |
---|
| 656 | ENDIF |
---|
| 657 | ENDDO |
---|
| 658 | ! |
---|
| 659 | !-- Natural-type surfaces |
---|
| 660 | DO l = 0, 3 |
---|
| 661 | IF ( surf_lsm_v(l)%ns >= 1 ) THEN |
---|
| 662 | surf => surf_lsm_v(l) |
---|
| 663 | CALL calc_uvw_abs_v_wgrid |
---|
| 664 | CALL calc_us |
---|
| 665 | CALL calc_surface_fluxes |
---|
| 666 | ENDIF |
---|
| 667 | ENDDO |
---|
| 668 | ! |
---|
| 669 | !-- Urban-type surfaces |
---|
| 670 | DO l = 0, 3 |
---|
| 671 | IF ( surf_usm_v(l)%ns >= 1 ) THEN |
---|
| 672 | surf => surf_usm_v(l) |
---|
| 673 | CALL calc_uvw_abs_v_wgrid |
---|
| 674 | CALL calc_us |
---|
| 675 | CALL calc_surface_fluxes |
---|
| 676 | ENDIF |
---|
| 677 | ENDDO |
---|
| 678 | mom_w = .FALSE. |
---|
| 679 | ! |
---|
| 680 | !-- Calculate momentum fluxes usvs, vsus, wsus and wsvs at vertical |
---|
| 681 | !-- surfaces for TKE production. Note, here, momentum fluxes are defined |
---|
| 682 | !-- at grid center and are not staggered as before. |
---|
| 683 | mom_tke = .TRUE. |
---|
| 684 | ! |
---|
| 685 | !-- Default-type surfaces |
---|
| 686 | DO l = 0, 3 |
---|
| 687 | IF ( surf_def_v(l)%ns >= 1 ) THEN |
---|
| 688 | surf => surf_def_v(l) |
---|
| 689 | CALL calc_uvw_abs_v_sgrid |
---|
| 690 | CALL calc_us |
---|
| 691 | CALL calc_surface_fluxes |
---|
| 692 | ENDIF |
---|
| 693 | ENDDO |
---|
| 694 | ! |
---|
| 695 | !-- Natural-type surfaces |
---|
| 696 | DO l = 0, 3 |
---|
| 697 | IF ( surf_lsm_v(l)%ns >= 1 ) THEN |
---|
| 698 | surf => surf_lsm_v(l) |
---|
| 699 | CALL calc_uvw_abs_v_sgrid |
---|
| 700 | CALL calc_us |
---|
| 701 | CALL calc_surface_fluxes |
---|
| 702 | ENDIF |
---|
| 703 | ENDDO |
---|
| 704 | ! |
---|
| 705 | !-- Urban-type surfaces |
---|
| 706 | DO l = 0, 3 |
---|
| 707 | IF ( surf_usm_v(l)%ns >= 1 ) THEN |
---|
| 708 | surf => surf_usm_v(l) |
---|
| 709 | CALL calc_uvw_abs_v_sgrid |
---|
| 710 | CALL calc_us |
---|
| 711 | CALL calc_surface_fluxes |
---|
| 712 | ENDIF |
---|
| 713 | ENDDO |
---|
| 714 | mom_tke = .FALSE. |
---|
| 715 | |
---|
[1691] | 716 | |
---|
| 717 | END SUBROUTINE surface_layer_fluxes |
---|
| 718 | |
---|
| 719 | |
---|
| 720 | !------------------------------------------------------------------------------! |
---|
| 721 | ! Description: |
---|
| 722 | ! ------------ |
---|
| 723 | !> Initializing actions for the surface layer routine. Basically, this involves |
---|
| 724 | !> the preparation of a lookup table for the the bulk Richardson number vs |
---|
| 725 | !> Obukhov length L when using the lookup table method. |
---|
| 726 | !------------------------------------------------------------------------------! |
---|
| 727 | SUBROUTINE init_surface_layer_fluxes |
---|
| 728 | |
---|
| 729 | IMPLICIT NONE |
---|
| 730 | |
---|
| 731 | |
---|
[3685] | 732 | CALL location_message( 'initializing surface layer', .FALSE. ) |
---|
[1709] | 733 | |
---|
| 734 | ! |
---|
| 735 | !-- In case of runs with neutral statification, set Obukhov length to a |
---|
| 736 | !-- large value |
---|
[2232] | 737 | IF ( neutral ) THEN |
---|
| 738 | IF ( surf_def_h(0)%ns >= 1 ) surf_def_h(0)%ol = 1.0E10_wp |
---|
| 739 | IF ( surf_lsm_h%ns >= 1 ) surf_lsm_h%ol = 1.0E10_wp |
---|
| 740 | IF ( surf_usm_h%ns >= 1 ) surf_usm_h%ol = 1.0E10_wp |
---|
| 741 | ENDIF |
---|
[1709] | 742 | |
---|
[3685] | 743 | CALL location_message( 'finished', .TRUE. ) |
---|
| 744 | |
---|
[1691] | 745 | END SUBROUTINE init_surface_layer_fluxes |
---|
| 746 | |
---|
| 747 | |
---|
| 748 | !------------------------------------------------------------------------------! |
---|
| 749 | ! Description: |
---|
| 750 | ! ------------ |
---|
[1709] | 751 | !> Compute the absolute value of the horizontal velocity (relative to the |
---|
[2232] | 752 | !> surface) for horizontal surface elements. This is required by all methods. |
---|
[1691] | 753 | !------------------------------------------------------------------------------! |
---|
[2232] | 754 | SUBROUTINE calc_uvw_abs |
---|
[3157] | 755 | |
---|
[1691] | 756 | IMPLICIT NONE |
---|
| 757 | |
---|
[2232] | 758 | INTEGER(iwp) :: i !< running index x direction |
---|
| 759 | INTEGER(iwp) :: ibit !< flag to mask computation of relative velocity in case of downward-facing surfaces |
---|
| 760 | INTEGER(iwp) :: j !< running index y direction |
---|
| 761 | INTEGER(iwp) :: k !< running index z direction |
---|
| 762 | INTEGER(iwp) :: m !< running index surface elements |
---|
[1691] | 763 | |
---|
[3157] | 764 | REAL(wp) :: w_lfc !< local free convection velocity scale |
---|
[2232] | 765 | ! |
---|
| 766 | !-- ibit is 1 for upward-facing surfaces, zero for downward-facing surfaces. |
---|
| 767 | ibit = MERGE( 1, 0, .NOT. downward ) |
---|
[1691] | 768 | |
---|
[3634] | 769 | !$ACC PARALLEL LOOP PRIVATE(i, j, k, w_lfc) & |
---|
| 770 | !$ACC PRESENT(surf, u, v) |
---|
[2232] | 771 | DO m = 1, surf%ns |
---|
[1691] | 772 | |
---|
[2232] | 773 | i = surf%i(m) |
---|
| 774 | j = surf%j(m) |
---|
| 775 | k = surf%k(m) |
---|
[3157] | 776 | |
---|
[1691] | 777 | ! |
---|
[3157] | 778 | !-- Calculate free convection velocity scale w_lfc is |
---|
| 779 | !-- use_free_convection_scaling = .T.. This will maintain a horizontal |
---|
| 780 | !-- velocity even for very weak wind convective conditions. SIGN is used |
---|
| 781 | !-- to set w_lfc to zero under stable conditions. |
---|
| 782 | IF ( use_free_convection_scaling ) THEN |
---|
| 783 | w_lfc = ABS(g / surf%pt1(m) * surf%z_mo(m) * surf%shf(m)) |
---|
| 784 | w_lfc = ( 0.5_wp * ( w_lfc + SIGN(w_lfc,surf%shf(m)) ) )**(0.33333_wp) |
---|
| 785 | ELSE |
---|
| 786 | w_lfc = 0.0_wp |
---|
| 787 | ENDIF |
---|
| 788 | |
---|
| 789 | ! |
---|
[2232] | 790 | !-- Compute the absolute value of the horizontal velocity. |
---|
| 791 | !-- (relative to the surface in case the lower surface is the ocean). |
---|
| 792 | !-- Please note, in new surface modelling concept the index values changed, |
---|
| 793 | !-- i.e. the reference grid point is not the surface-grid point itself but |
---|
| 794 | !-- the first grid point outside of the topography. |
---|
| 795 | !-- Note, in case of coupled ocean-atmosphere simulations relative velocity |
---|
| 796 | !-- with respect to the ocean surface is used, hence, (k-1,j,i) values |
---|
| 797 | !-- are used to calculate the absolute velocity. |
---|
| 798 | !-- However, this do not apply for downward-facing walls. To mask this, |
---|
| 799 | !-- use ibit, which checks for upward/downward-facing surfaces. |
---|
| 800 | surf%uvw_abs(m) = SQRT( & |
---|
| 801 | ( 0.5_wp * ( u(k,j,i) + u(k,j,i+1) & |
---|
| 802 | - ( u(k-1,j,i) + u(k-1,j,i+1) & |
---|
| 803 | ) * ibit & |
---|
| 804 | ) & |
---|
| 805 | )**2 + & |
---|
| 806 | ( 0.5_wp * ( v(k,j,i) + v(k,j+1,i) & |
---|
| 807 | - ( v(k-1,j,i) + v(k-1,j+1,i) & |
---|
| 808 | ) * ibit & |
---|
| 809 | ) & |
---|
[3157] | 810 | )**2 + w_lfc**2 & |
---|
[2232] | 811 | ) |
---|
| 812 | |
---|
[3148] | 813 | |
---|
| 814 | |
---|
[1691] | 815 | ENDDO |
---|
| 816 | |
---|
[2232] | 817 | END SUBROUTINE calc_uvw_abs |
---|
| 818 | |
---|
| 819 | |
---|
| 820 | !------------------------------------------------------------------------------! |
---|
| 821 | ! Description: |
---|
| 822 | ! ------------ |
---|
| 823 | !> Compute the absolute value of the horizontal velocity (relative to the |
---|
| 824 | !> surface) for horizontal surface elements. This is required by all methods. |
---|
| 825 | !------------------------------------------------------------------------------! |
---|
| 826 | SUBROUTINE calc_uvw_abs_v_ugrid |
---|
| 827 | |
---|
| 828 | IMPLICIT NONE |
---|
| 829 | |
---|
[3547] | 830 | INTEGER(iwp) :: i !< running index x direction |
---|
| 831 | INTEGER(iwp) :: j !< running index y direction |
---|
| 832 | INTEGER(iwp) :: k !< running index z direction |
---|
| 833 | INTEGER(iwp) :: m !< running index surface elements |
---|
[2232] | 834 | |
---|
[3547] | 835 | REAL(wp) :: u_i !< u-component on xu-grid |
---|
| 836 | REAL(wp) :: w_i !< w-component on xu-grid |
---|
[2232] | 837 | |
---|
| 838 | |
---|
| 839 | DO m = 1, surf%ns |
---|
| 840 | i = surf%i(m) |
---|
| 841 | j = surf%j(m) |
---|
| 842 | k = surf%k(m) |
---|
[1691] | 843 | ! |
---|
[2232] | 844 | !-- Compute the absolute value of the surface parallel velocity on u-grid. |
---|
| 845 | u_i = u(k,j,i) |
---|
| 846 | w_i = 0.25_wp * ( w(k-1,j,i-1) + w(k-1,j,i) + & |
---|
| 847 | w(k,j,i-1) + w(k,j,i) ) |
---|
[1691] | 848 | |
---|
[2232] | 849 | surf%uvw_abs(m) = SQRT( u_i**2 + w_i**2 ) |
---|
[1709] | 850 | |
---|
[2232] | 851 | ENDDO |
---|
[1709] | 852 | |
---|
[2232] | 853 | END SUBROUTINE calc_uvw_abs_v_ugrid |
---|
| 854 | |
---|
[1709] | 855 | !------------------------------------------------------------------------------! |
---|
| 856 | ! Description: |
---|
| 857 | ! ------------ |
---|
[2232] | 858 | !> Compute the absolute value of the horizontal velocity (relative to the |
---|
| 859 | !> surface) for horizontal surface elements. This is required by all methods. |
---|
| 860 | !------------------------------------------------------------------------------! |
---|
| 861 | SUBROUTINE calc_uvw_abs_v_vgrid |
---|
| 862 | |
---|
| 863 | IMPLICIT NONE |
---|
| 864 | |
---|
[3547] | 865 | INTEGER(iwp) :: i !< running index x direction |
---|
| 866 | INTEGER(iwp) :: j !< running index y direction |
---|
| 867 | INTEGER(iwp) :: k !< running index z direction |
---|
| 868 | INTEGER(iwp) :: m !< running index surface elements |
---|
[2232] | 869 | |
---|
[3547] | 870 | REAL(wp) :: v_i !< v-component on yv-grid |
---|
| 871 | REAL(wp) :: w_i !< w-component on yv-grid |
---|
[2232] | 872 | |
---|
| 873 | |
---|
| 874 | DO m = 1, surf%ns |
---|
| 875 | i = surf%i(m) |
---|
| 876 | j = surf%j(m) |
---|
| 877 | k = surf%k(m) |
---|
| 878 | |
---|
| 879 | v_i = u(k,j,i) |
---|
| 880 | w_i = 0.25_wp * ( w(k-1,j-1,i) + w(k-1,j,i) + & |
---|
| 881 | w(k,j-1,i) + w(k,j,i) ) |
---|
| 882 | |
---|
| 883 | surf%uvw_abs(m) = SQRT( v_i**2 + w_i**2 ) |
---|
| 884 | |
---|
| 885 | ENDDO |
---|
| 886 | |
---|
| 887 | END SUBROUTINE calc_uvw_abs_v_vgrid |
---|
| 888 | |
---|
| 889 | !------------------------------------------------------------------------------! |
---|
| 890 | ! Description: |
---|
| 891 | ! ------------ |
---|
| 892 | !> Compute the absolute value of the horizontal velocity (relative to the |
---|
| 893 | !> surface) for horizontal surface elements. This is required by all methods. |
---|
| 894 | !------------------------------------------------------------------------------! |
---|
| 895 | SUBROUTINE calc_uvw_abs_v_wgrid |
---|
| 896 | |
---|
| 897 | IMPLICIT NONE |
---|
| 898 | |
---|
[3547] | 899 | INTEGER(iwp) :: i !< running index x direction |
---|
| 900 | INTEGER(iwp) :: j !< running index y direction |
---|
| 901 | INTEGER(iwp) :: k !< running index z direction |
---|
| 902 | INTEGER(iwp) :: m !< running index surface elements |
---|
[2232] | 903 | |
---|
[3547] | 904 | REAL(wp) :: u_i !< u-component on x-zw-grid |
---|
| 905 | REAL(wp) :: v_i !< v-component on y-zw-grid |
---|
| 906 | REAL(wp) :: w_i !< w-component on zw-grid |
---|
[2232] | 907 | ! |
---|
| 908 | !-- North- (l=0) and south-facing (l=1) surfaces |
---|
| 909 | IF ( l == 0 .OR. l == 1 ) THEN |
---|
| 910 | DO m = 1, surf%ns |
---|
| 911 | i = surf%i(m) |
---|
| 912 | j = surf%j(m) |
---|
| 913 | k = surf%k(m) |
---|
| 914 | |
---|
| 915 | u_i = 0.25_wp * ( u(k+1,j,i+1) + u(k+1,j,i) + & |
---|
| 916 | u(k,j,i+1) + u(k,j,i) ) |
---|
| 917 | v_i = 0.0_wp |
---|
| 918 | w_i = w(k,j,i) |
---|
| 919 | |
---|
| 920 | surf%uvw_abs(m) = SQRT( u_i**2 + v_i**2 + w_i**2 ) |
---|
| 921 | ENDDO |
---|
| 922 | ! |
---|
| 923 | !-- East- (l=2) and west-facing (l=3) surfaces |
---|
| 924 | ELSE |
---|
| 925 | DO m = 1, surf%ns |
---|
| 926 | i = surf%i(m) |
---|
| 927 | j = surf%j(m) |
---|
| 928 | k = surf%k(m) |
---|
| 929 | |
---|
| 930 | u_i = 0.0_wp |
---|
| 931 | v_i = 0.25_wp * ( v(k+1,j+1,i) + v(k+1,j,i) + & |
---|
| 932 | v(k,j+1,i) + v(k,j,i) ) |
---|
| 933 | w_i = w(k,j,i) |
---|
| 934 | |
---|
| 935 | surf%uvw_abs(m) = SQRT( u_i**2 + v_i**2 + w_i**2 ) |
---|
| 936 | ENDDO |
---|
| 937 | ENDIF |
---|
| 938 | |
---|
| 939 | END SUBROUTINE calc_uvw_abs_v_wgrid |
---|
| 940 | |
---|
| 941 | !------------------------------------------------------------------------------! |
---|
| 942 | ! Description: |
---|
| 943 | ! ------------ |
---|
| 944 | !> Compute the absolute value of the horizontal velocity (relative to the |
---|
| 945 | !> surface) for horizontal surface elements. This is required by all methods. |
---|
| 946 | !------------------------------------------------------------------------------! |
---|
| 947 | SUBROUTINE calc_uvw_abs_v_sgrid |
---|
| 948 | |
---|
| 949 | IMPLICIT NONE |
---|
| 950 | |
---|
[3547] | 951 | INTEGER(iwp) :: i !< running index x direction |
---|
| 952 | INTEGER(iwp) :: j !< running index y direction |
---|
| 953 | INTEGER(iwp) :: k !< running index z direction |
---|
| 954 | INTEGER(iwp) :: m !< running index surface elements |
---|
[2232] | 955 | |
---|
[3547] | 956 | REAL(wp) :: u_i !< u-component on scalar grid |
---|
| 957 | REAL(wp) :: v_i !< v-component on scalar grid |
---|
| 958 | REAL(wp) :: w_i !< w-component on scalar grid |
---|
[2232] | 959 | |
---|
| 960 | ! |
---|
| 961 | !-- North- (l=0) and south-facing (l=1) walls |
---|
| 962 | IF ( l == 0 .OR. l == 1 ) THEN |
---|
| 963 | DO m = 1, surf%ns |
---|
| 964 | i = surf%i(m) |
---|
| 965 | j = surf%j(m) |
---|
| 966 | k = surf%k(m) |
---|
| 967 | |
---|
| 968 | u_i = 0.5_wp * ( u(k,j,i) + u(k,j,i+1) ) |
---|
| 969 | v_i = 0.0_wp |
---|
| 970 | w_i = 0.5_wp * ( w(k,j,i) + w(k-1,j,i) ) |
---|
| 971 | |
---|
| 972 | surf%uvw_abs(m) = SQRT( u_i**2 + v_i**2 + w_i**2 ) |
---|
| 973 | ENDDO |
---|
| 974 | ! |
---|
| 975 | !-- East- (l=2) and west-facing (l=3) walls |
---|
| 976 | ELSE |
---|
| 977 | DO m = 1, surf%ns |
---|
| 978 | i = surf%i(m) |
---|
| 979 | j = surf%j(m) |
---|
| 980 | k = surf%k(m) |
---|
| 981 | |
---|
| 982 | u_i = 0.0_wp |
---|
| 983 | v_i = 0.5_wp * ( v(k,j,i) + v(k,j+1,i) ) |
---|
| 984 | w_i = 0.5_wp * ( w(k,j,i) + w(k-1,j,i) ) |
---|
| 985 | |
---|
| 986 | surf%uvw_abs(m) = SQRT( u_i**2 + v_i**2 + w_i**2 ) |
---|
| 987 | ENDDO |
---|
| 988 | ENDIF |
---|
| 989 | |
---|
| 990 | END SUBROUTINE calc_uvw_abs_v_sgrid |
---|
| 991 | |
---|
| 992 | |
---|
| 993 | !------------------------------------------------------------------------------! |
---|
| 994 | ! Description: |
---|
| 995 | ! ------------ |
---|
[1709] | 996 | !> Calculate the Obukhov length (L) and Richardson flux number (z/L) |
---|
| 997 | !------------------------------------------------------------------------------! |
---|
| 998 | SUBROUTINE calc_ol |
---|
| 999 | |
---|
| 1000 | IMPLICIT NONE |
---|
| 1001 | |
---|
[2232] | 1002 | INTEGER(iwp) :: iter !< Newton iteration step |
---|
| 1003 | INTEGER(iwp) :: m !< loop variable over all horizontal wall elements |
---|
[1709] | 1004 | |
---|
| 1005 | REAL(wp) :: f, & !< Function for Newton iteration: f = Ri - [...]/[...]^2 = 0 |
---|
| 1006 | f_d_ol, & !< Derivative of f |
---|
| 1007 | ol_l, & !< Lower bound of L for Newton iteration |
---|
| 1008 | ol_m, & !< Previous value of L for Newton iteration |
---|
| 1009 | ol_old, & !< Previous time step value of L |
---|
| 1010 | ol_u !< Upper bound of L for Newton iteration |
---|
| 1011 | |
---|
[2232] | 1012 | ! |
---|
[3668] | 1013 | !-- Evaluate bulk Richardson number (calculation depends on |
---|
| 1014 | !-- definition based on setting of boundary conditions |
---|
| 1015 | IF ( ibc_pt_b /= 1 ) THEN |
---|
| 1016 | IF ( humidity ) THEN |
---|
| 1017 | !$OMP PARALLEL DO PRIVATE( z_mo ) |
---|
| 1018 | DO m = 1, surf%ns |
---|
[1691] | 1019 | |
---|
[3668] | 1020 | z_mo = surf%z_mo(m) |
---|
[2232] | 1021 | |
---|
[3668] | 1022 | surf%rib(m) = g * z_mo & |
---|
| 1023 | * ( surf%vpt1(m) - surf%vpt_surface(m) ) & |
---|
| 1024 | / ( surf%uvw_abs(m)**2 * surf%vpt1(m) & |
---|
| 1025 | + 1.0E-20_wp ) |
---|
| 1026 | ENDDO |
---|
| 1027 | ELSE |
---|
| 1028 | !$OMP PARALLEL DO PRIVATE( z_mo ) |
---|
| 1029 | DO m = 1, surf%ns |
---|
[2232] | 1030 | |
---|
[3668] | 1031 | z_mo = surf%z_mo(m) |
---|
[2232] | 1032 | |
---|
[3668] | 1033 | surf%rib(m) = g * z_mo & |
---|
| 1034 | * ( surf%pt1(m) - surf%pt_surface(m) ) & |
---|
| 1035 | / ( surf%uvw_abs(m)**2 * surf%pt1(m) + 1.0E-20_wp ) |
---|
| 1036 | ENDDO |
---|
| 1037 | ENDIF |
---|
| 1038 | ELSE |
---|
| 1039 | IF ( humidity ) THEN |
---|
| 1040 | !$OMP PARALLEL DO PRIVATE( k, z_mo ) |
---|
| 1041 | DO m = 1, surf%ns |
---|
[2232] | 1042 | |
---|
[3668] | 1043 | k = surf%k(m) |
---|
[2232] | 1044 | |
---|
[3668] | 1045 | z_mo = surf%z_mo(m) |
---|
[2232] | 1046 | |
---|
[3668] | 1047 | surf%rib(m) = - g * z_mo * ( ( 1.0_wp + 0.61_wp & |
---|
[3146] | 1048 | * surf%qv1(m) ) * surf%shf(m) + 0.61_wp & |
---|
| 1049 | * surf%pt1(m) * surf%qsws(m) ) * & |
---|
[2232] | 1050 | drho_air_zw(k-1) / & |
---|
[3146] | 1051 | ( surf%uvw_abs(m)**3 * surf%vpt1(m) * kappa**2 & |
---|
[1709] | 1052 | + 1.0E-20_wp ) |
---|
[3668] | 1053 | ENDDO |
---|
| 1054 | ELSE |
---|
| 1055 | !$OMP PARALLEL DO PRIVATE( k, z_mo ) |
---|
| 1056 | !$ACC PARALLEL LOOP PRIVATE(k, z_mo) & |
---|
| 1057 | !$ACC PRESENT(surf, drho_air_zw) |
---|
| 1058 | DO m = 1, surf%ns |
---|
[1691] | 1059 | |
---|
[3668] | 1060 | k = surf%k(m) |
---|
[2232] | 1061 | |
---|
[3668] | 1062 | z_mo = surf%z_mo(m) |
---|
[2232] | 1063 | |
---|
[3668] | 1064 | surf%rib(m) = - g * z_mo * surf%shf(m) * & |
---|
| 1065 | drho_air_zw(k-1) / & |
---|
| 1066 | ( surf%uvw_abs(m)**3 * surf%pt1(m) * kappa**2 & |
---|
| 1067 | + 1.0E-20_wp ) |
---|
| 1068 | ENDDO |
---|
[2232] | 1069 | ENDIF |
---|
[1691] | 1070 | ENDIF |
---|
| 1071 | |
---|
| 1072 | ! |
---|
[3668] | 1073 | !-- Calculate the Obukhov length using Newton iteration |
---|
| 1074 | !$ACC PARALLEL LOOP PRIVATE(i, j, z_mo) & |
---|
| 1075 | !$ACC PRIVATE(ol_old, ol_m, ol_l, ol_u, f, f_d_ol) & |
---|
| 1076 | !$ACC PRESENT(surf) |
---|
| 1077 | DO m = 1, surf%ns |
---|
[1691] | 1078 | |
---|
[3668] | 1079 | i = surf%i(m) |
---|
| 1080 | j = surf%j(m) |
---|
[1691] | 1081 | |
---|
[3668] | 1082 | z_mo = surf%z_mo(m) |
---|
[1691] | 1083 | |
---|
| 1084 | ! |
---|
[3668] | 1085 | !-- Store current value in case the Newton iteration fails |
---|
| 1086 | ol_old = surf%ol(m) |
---|
[1691] | 1087 | |
---|
| 1088 | ! |
---|
[3668] | 1089 | !-- Ensure that the bulk Richardson number and the Obukhov |
---|
| 1090 | !-- length have the same sign |
---|
| 1091 | IF ( surf%rib(m) * surf%ol(m) < 0.0_wp .OR. & |
---|
| 1092 | ABS( surf%ol(m) ) == ol_max ) THEN |
---|
| 1093 | IF ( surf%rib(m) > 1.0_wp ) surf%ol(m) = 0.01_wp |
---|
| 1094 | IF ( surf%rib(m) < 0.0_wp ) surf%ol(m) = -0.01_wp |
---|
| 1095 | ENDIF |
---|
[1691] | 1096 | ! |
---|
[3668] | 1097 | !-- Iteration to find Obukhov length |
---|
| 1098 | iter = 0 |
---|
| 1099 | DO |
---|
| 1100 | iter = iter + 1 |
---|
[1691] | 1101 | ! |
---|
[3668] | 1102 | !-- In case of divergence, use the value of the previous time step |
---|
| 1103 | IF ( iter > 1000 ) THEN |
---|
| 1104 | surf%ol(m) = ol_old |
---|
| 1105 | EXIT |
---|
| 1106 | ENDIF |
---|
[1691] | 1107 | |
---|
[3668] | 1108 | ol_m = surf%ol(m) |
---|
| 1109 | ol_l = ol_m - 0.001_wp * ol_m |
---|
| 1110 | ol_u = ol_m + 0.001_wp * ol_m |
---|
[1691] | 1111 | |
---|
| 1112 | |
---|
[3668] | 1113 | IF ( ibc_pt_b /= 1 ) THEN |
---|
[1691] | 1114 | ! |
---|
[3668] | 1115 | !-- Calculate f = Ri - [...]/[...]^2 = 0 |
---|
| 1116 | f = surf%rib(m) - ( z_mo / ol_m ) * ( & |
---|
| 1117 | LOG( z_mo / surf%z0h(m) ) & |
---|
| 1118 | - psi_h( z_mo / ol_m ) & |
---|
| 1119 | + psi_h( surf%z0h(m) / & |
---|
| 1120 | ol_m ) & |
---|
| 1121 | ) & |
---|
| 1122 | / ( LOG( z_mo / surf%z0(m) ) & |
---|
| 1123 | - psi_m( z_mo / ol_m ) & |
---|
| 1124 | + psi_m( surf%z0(m) / ol_m ) & |
---|
[2232] | 1125 | )**2 |
---|
[1691] | 1126 | |
---|
| 1127 | ! |
---|
[3668] | 1128 | !-- Calculate df/dL |
---|
| 1129 | f_d_ol = ( - ( z_mo / ol_u ) * ( LOG( z_mo / & |
---|
| 1130 | surf%z0h(m) ) & |
---|
| 1131 | - psi_h( z_mo / ol_u ) & |
---|
| 1132 | + psi_h( surf%z0h(m) / ol_u ) & |
---|
| 1133 | ) & |
---|
| 1134 | / ( LOG( z_mo / surf%z0(m) ) & |
---|
| 1135 | - psi_m( z_mo / ol_u ) & |
---|
| 1136 | + psi_m( surf%z0(m) / ol_u ) & |
---|
| 1137 | )**2 & |
---|
| 1138 | + ( z_mo / ol_l ) * ( LOG( z_mo / surf%z0h(m) ) & |
---|
| 1139 | - psi_h( z_mo / ol_l ) & |
---|
| 1140 | + psi_h( surf%z0h(m) / ol_l ) & |
---|
| 1141 | ) & |
---|
| 1142 | / ( LOG( z_mo / surf%z0(m) ) & |
---|
| 1143 | - psi_m( z_mo / ol_l ) & |
---|
| 1144 | + psi_m( surf%z0(m) / ol_l ) & |
---|
| 1145 | )**2 & |
---|
| 1146 | ) / ( ol_u - ol_l ) |
---|
| 1147 | ELSE |
---|
[1691] | 1148 | ! |
---|
[3668] | 1149 | !-- Calculate f = Ri - 1 /[...]^3 = 0 |
---|
| 1150 | f = surf%rib(m) - ( z_mo / ol_m ) / & |
---|
| 1151 | ( LOG( z_mo / surf%z0(m) ) & |
---|
| 1152 | - psi_m( z_mo / ol_m ) & |
---|
| 1153 | + psi_m( surf%z0(m) / ol_m ) & |
---|
| 1154 | )**3 |
---|
[1691] | 1155 | |
---|
| 1156 | ! |
---|
[3668] | 1157 | !-- Calculate df/dL |
---|
| 1158 | f_d_ol = ( - ( z_mo / ol_u ) / ( LOG( z_mo / surf%z0(m) ) & |
---|
| 1159 | - psi_m( z_mo / ol_u ) & |
---|
| 1160 | + psi_m( surf%z0(m) / ol_u ) & |
---|
| 1161 | )**3 & |
---|
[2232] | 1162 | + ( z_mo / ol_l ) / ( LOG( z_mo / surf%z0(m) ) & |
---|
[3668] | 1163 | - psi_m( z_mo / ol_l ) & |
---|
| 1164 | + psi_m( surf%z0(m) / ol_l ) & |
---|
| 1165 | )**3 & |
---|
| 1166 | ) / ( ol_u - ol_l ) |
---|
| 1167 | ENDIF |
---|
[1691] | 1168 | ! |
---|
[3668] | 1169 | !-- Calculate new L |
---|
| 1170 | surf%ol(m) = ol_m - f / f_d_ol |
---|
[1691] | 1171 | |
---|
| 1172 | ! |
---|
[3668] | 1173 | !-- Ensure that the bulk Richardson number and the Obukhov |
---|
| 1174 | !-- length have the same sign and ensure convergence. |
---|
| 1175 | IF ( surf%ol(m) * ol_m < 0.0_wp ) surf%ol(m) = ol_m * 0.5_wp |
---|
[1691] | 1176 | ! |
---|
[3668] | 1177 | !-- If unrealistic value occurs, set L to the maximum |
---|
| 1178 | !-- value that is allowed |
---|
| 1179 | IF ( ABS( surf%ol(m) ) > ol_max ) THEN |
---|
| 1180 | surf%ol(m) = ol_max |
---|
| 1181 | EXIT |
---|
| 1182 | ENDIF |
---|
[1691] | 1183 | ! |
---|
[3668] | 1184 | !-- Check for convergence |
---|
| 1185 | IF ( ABS( ( surf%ol(m) - ol_m ) / surf%ol(m) ) < 1.0E-4_wp ) THEN |
---|
| 1186 | EXIT |
---|
[2232] | 1187 | ELSE |
---|
[3668] | 1188 | CYCLE |
---|
[2232] | 1189 | ENDIF |
---|
[1691] | 1190 | |
---|
| 1191 | ENDDO |
---|
[3668] | 1192 | ENDDO |
---|
[1691] | 1193 | |
---|
| 1194 | END SUBROUTINE calc_ol |
---|
| 1195 | |
---|
| 1196 | ! |
---|
| 1197 | !-- Calculate friction velocity u* |
---|
| 1198 | SUBROUTINE calc_us |
---|
| 1199 | |
---|
| 1200 | IMPLICIT NONE |
---|
| 1201 | |
---|
[2232] | 1202 | INTEGER(iwp) :: m !< loop variable over all horizontal surf elements |
---|
[1691] | 1203 | |
---|
[2232] | 1204 | ! |
---|
| 1205 | !-- Compute u* at horizontal surfaces at the scalars' grid points |
---|
| 1206 | IF ( .NOT. surf_vertical ) THEN |
---|
| 1207 | ! |
---|
| 1208 | !-- Compute u* at upward-facing surfaces |
---|
| 1209 | IF ( .NOT. downward ) THEN |
---|
[2281] | 1210 | !$OMP PARALLEL DO PRIVATE( z_mo ) |
---|
[3634] | 1211 | !$ACC PARALLEL LOOP PRIVATE(z_mo) & |
---|
| 1212 | !$ACC PRESENT(surf) |
---|
[2232] | 1213 | DO m = 1, surf%ns |
---|
[1691] | 1214 | |
---|
[2232] | 1215 | z_mo = surf%z_mo(m) |
---|
[1691] | 1216 | ! |
---|
[2232] | 1217 | !-- Compute u* at the scalars' grid points |
---|
| 1218 | surf%us(m) = kappa * surf%uvw_abs(m) / & |
---|
| 1219 | ( LOG( z_mo / surf%z0(m) ) & |
---|
| 1220 | - psi_m( z_mo / surf%ol(m) ) & |
---|
| 1221 | + psi_m( surf%z0(m) / surf%ol(m) ) ) |
---|
| 1222 | |
---|
| 1223 | ENDDO |
---|
| 1224 | ! |
---|
| 1225 | !-- Compute u* at downward-facing surfaces. This case, do not consider |
---|
| 1226 | !-- any stability. |
---|
| 1227 | ELSE |
---|
[2281] | 1228 | !$OMP PARALLEL DO PRIVATE( z_mo ) |
---|
[3634] | 1229 | !$ACC PARALLEL LOOP PRIVATE(z_mo) & |
---|
| 1230 | !$ACC PRESENT(surf) |
---|
[2232] | 1231 | DO m = 1, surf%ns |
---|
| 1232 | |
---|
| 1233 | z_mo = surf%z_mo(m) |
---|
| 1234 | ! |
---|
| 1235 | !-- Compute u* at the scalars' grid points |
---|
| 1236 | surf%us(m) = kappa * surf%uvw_abs(m) / LOG( z_mo / surf%z0(m) ) |
---|
| 1237 | |
---|
| 1238 | ENDDO |
---|
| 1239 | ENDIF |
---|
| 1240 | ! |
---|
| 1241 | !-- Compute u* at vertical surfaces at the u/v/v grid, respectively. |
---|
| 1242 | !-- No stability is considered in this case. |
---|
| 1243 | ELSE |
---|
| 1244 | !$OMP PARALLEL DO PRIVATE( z_mo ) |
---|
[3634] | 1245 | !$ACC PARALLEL LOOP PRIVATE(z_mo) & |
---|
| 1246 | !$ACC PRESENT(surf) |
---|
[2232] | 1247 | DO m = 1, surf%ns |
---|
| 1248 | z_mo = surf%z_mo(m) |
---|
| 1249 | |
---|
| 1250 | surf%us(m) = kappa * surf%uvw_abs(m) / LOG( z_mo / surf%z0(m) ) |
---|
[1691] | 1251 | ENDDO |
---|
[2232] | 1252 | ENDIF |
---|
[1691] | 1253 | |
---|
| 1254 | END SUBROUTINE calc_us |
---|
| 1255 | |
---|
| 1256 | ! |
---|
[3146] | 1257 | !-- Calculate potential temperature, specific humidity, and virtual potential |
---|
| 1258 | !-- temperature at first grid level |
---|
[1691] | 1259 | SUBROUTINE calc_pt_q |
---|
| 1260 | |
---|
| 1261 | IMPLICIT NONE |
---|
| 1262 | |
---|
[2232] | 1263 | INTEGER(iwp) :: m !< loop variable over all horizontal surf elements |
---|
| 1264 | |
---|
| 1265 | !$OMP PARALLEL DO PRIVATE( i, j, k ) |
---|
[3634] | 1266 | !$ACC PARALLEL LOOP PRIVATE(i, j, k) & |
---|
| 1267 | !$ACC PRESENT(surf, pt) |
---|
[2232] | 1268 | DO m = 1, surf%ns |
---|
| 1269 | |
---|
| 1270 | i = surf%i(m) |
---|
| 1271 | j = surf%j(m) |
---|
| 1272 | k = surf%k(m) |
---|
| 1273 | |
---|
[3634] | 1274 | #ifndef _OPENACC |
---|
[3274] | 1275 | IF ( bulk_cloud_model ) THEN |
---|
| 1276 | surf%pt1(m) = pt(k,j,i) + lv_d_cp * d_exner(k) * ql(k,j,i) |
---|
[2547] | 1277 | surf%qv1(m) = q(k,j,i) - ql(k,j,i) |
---|
| 1278 | ELSEIF( cloud_droplets ) THEN |
---|
[3274] | 1279 | surf%pt1(m) = pt(k,j,i) + lv_d_cp * d_exner(k) * ql(k,j,i) |
---|
[2547] | 1280 | surf%qv1(m) = q(k,j,i) |
---|
[2696] | 1281 | ELSE |
---|
[3634] | 1282 | #endif |
---|
[2696] | 1283 | surf%pt1(m) = pt(k,j,i) |
---|
[3634] | 1284 | #ifndef _OPENACC |
---|
[2696] | 1285 | IF ( humidity ) THEN |
---|
| 1286 | surf%qv1(m) = q(k,j,i) |
---|
| 1287 | ELSE |
---|
[3634] | 1288 | #endif |
---|
[2696] | 1289 | surf%qv1(m) = 0.0_wp |
---|
[3634] | 1290 | #ifndef _OPENACC |
---|
[2696] | 1291 | ENDIF |
---|
[2547] | 1292 | ENDIF |
---|
[2232] | 1293 | |
---|
[3146] | 1294 | IF ( humidity ) THEN |
---|
| 1295 | surf%vpt1(m) = pt(k,j,i) * ( 1.0_wp + 0.61_wp * q(k,j,i) ) |
---|
| 1296 | ENDIF |
---|
[3634] | 1297 | #endif |
---|
[3146] | 1298 | |
---|
[1691] | 1299 | ENDDO |
---|
| 1300 | |
---|
| 1301 | END SUBROUTINE calc_pt_q |
---|
| 1302 | |
---|
[2696] | 1303 | |
---|
[1691] | 1304 | ! |
---|
[3152] | 1305 | !-- Set potential temperature at surface grid level. |
---|
[2696] | 1306 | !-- ( only for upward-facing surfs ) |
---|
| 1307 | SUBROUTINE calc_pt_surface |
---|
| 1308 | |
---|
| 1309 | IMPLICIT NONE |
---|
| 1310 | |
---|
[3146] | 1311 | INTEGER(iwp) :: k_off !< index offset between surface and atmosphere grid point (-1 for upward-, +1 for downward-facing walls) |
---|
[2696] | 1312 | INTEGER(iwp) :: m !< loop variable over all horizontal surf elements |
---|
| 1313 | |
---|
[3146] | 1314 | k_off = surf%koff |
---|
[2696] | 1315 | !$OMP PARALLEL DO PRIVATE( i, j, k ) |
---|
[3634] | 1316 | !$ACC PARALLEL LOOP PRIVATE(i, j, k) & |
---|
| 1317 | !$ACC PRESENT(surf, pt) |
---|
[2696] | 1318 | DO m = 1, surf%ns |
---|
| 1319 | |
---|
| 1320 | i = surf%i(m) |
---|
| 1321 | j = surf%j(m) |
---|
| 1322 | k = surf%k(m) |
---|
| 1323 | |
---|
[3146] | 1324 | surf%pt_surface(m) = pt(k+k_off,j,i) |
---|
[2696] | 1325 | |
---|
| 1326 | ENDDO |
---|
| 1327 | |
---|
| 1328 | END SUBROUTINE calc_pt_surface |
---|
| 1329 | |
---|
| 1330 | ! |
---|
[3152] | 1331 | !-- Set mixing ratio at surface grid level. ( Only for upward-facing surfs. ) |
---|
| 1332 | SUBROUTINE calc_q_surface |
---|
| 1333 | |
---|
| 1334 | IMPLICIT NONE |
---|
| 1335 | |
---|
| 1336 | INTEGER(iwp) :: k_off !< index offset between surface and atmosphere grid point (-1 for upward-, +1 for downward-facing walls) |
---|
| 1337 | INTEGER(iwp) :: m !< loop variable over all horizontal surf elements |
---|
| 1338 | |
---|
| 1339 | k_off = surf%koff |
---|
| 1340 | !$OMP PARALLEL DO PRIVATE( i, j, k ) |
---|
| 1341 | DO m = 1, surf%ns |
---|
| 1342 | |
---|
| 1343 | i = surf%i(m) |
---|
| 1344 | j = surf%j(m) |
---|
| 1345 | k = surf%k(m) |
---|
| 1346 | |
---|
| 1347 | surf%q_surface(m) = q(k+k_off,j,i) |
---|
| 1348 | |
---|
| 1349 | ENDDO |
---|
| 1350 | |
---|
| 1351 | END SUBROUTINE calc_q_surface |
---|
| 1352 | |
---|
| 1353 | ! |
---|
| 1354 | !-- Set virtual potential temperature at surface grid level. |
---|
[3146] | 1355 | !-- ( only for upward-facing surfs ) |
---|
| 1356 | SUBROUTINE calc_vpt_surface |
---|
| 1357 | |
---|
| 1358 | IMPLICIT NONE |
---|
| 1359 | |
---|
| 1360 | INTEGER(iwp) :: k_off !< index offset between surface and atmosphere grid point (-1 for upward-, +1 for downward-facing walls) |
---|
| 1361 | INTEGER(iwp) :: m !< loop variable over all horizontal surf elements |
---|
| 1362 | |
---|
| 1363 | k_off = surf%koff |
---|
| 1364 | !$OMP PARALLEL DO PRIVATE( i, j, k ) |
---|
| 1365 | DO m = 1, surf%ns |
---|
| 1366 | |
---|
| 1367 | i = surf%i(m) |
---|
| 1368 | j = surf%j(m) |
---|
| 1369 | k = surf%k(m) |
---|
| 1370 | |
---|
| 1371 | surf%vpt_surface(m) = vpt(k+k_off,j,i) |
---|
| 1372 | |
---|
| 1373 | ENDDO |
---|
| 1374 | |
---|
| 1375 | END SUBROUTINE calc_vpt_surface |
---|
| 1376 | |
---|
| 1377 | ! |
---|
[2292] | 1378 | !-- Calculate the other MOST scaling parameters theta*, q*, (qc*, qr*, nc*, nr*) |
---|
[1691] | 1379 | SUBROUTINE calc_scaling_parameters |
---|
| 1380 | |
---|
| 1381 | IMPLICIT NONE |
---|
| 1382 | |
---|
[2232] | 1383 | |
---|
| 1384 | INTEGER(iwp) :: m !< loop variable over all horizontal surf elements |
---|
[2696] | 1385 | INTEGER(iwp) :: lsp !< running index for chemical species |
---|
[1691] | 1386 | ! |
---|
[2232] | 1387 | !-- Compute theta* at horizontal surfaces |
---|
| 1388 | IF ( constant_heatflux .AND. .NOT. surf_vertical ) THEN |
---|
[1691] | 1389 | ! |
---|
| 1390 | !-- For a given heat flux in the surface layer: |
---|
[2232] | 1391 | |
---|
| 1392 | !$OMP PARALLEL DO PRIVATE( i, j, k ) |
---|
[3634] | 1393 | !$ACC PARALLEL LOOP PRIVATE(i, j, k) & |
---|
| 1394 | !$ACC PRESENT(surf, drho_air_zw) |
---|
[2232] | 1395 | DO m = 1, surf%ns |
---|
| 1396 | |
---|
| 1397 | i = surf%i(m) |
---|
| 1398 | j = surf%j(m) |
---|
| 1399 | k = surf%k(m) |
---|
| 1400 | |
---|
| 1401 | surf%ts(m) = -surf%shf(m) * drho_air_zw(k-1) / & |
---|
| 1402 | ( surf%us(m) + 1E-30_wp ) |
---|
| 1403 | |
---|
[1691] | 1404 | ! |
---|
[2232] | 1405 | !-- ts must be limited, because otherwise overflow may occur in case |
---|
| 1406 | !-- of us=0 when computing ol further below |
---|
| 1407 | IF ( surf%ts(m) < -1.05E5_wp ) surf%ts(m) = -1.0E5_wp |
---|
| 1408 | IF ( surf%ts(m) > 1.0E5_wp ) surf%ts(m) = 1.0E5_wp |
---|
| 1409 | |
---|
[1691] | 1410 | ENDDO |
---|
| 1411 | |
---|
[2232] | 1412 | ELSEIF ( .NOT. surf_vertical ) THEN |
---|
[1691] | 1413 | ! |
---|
| 1414 | !-- For a given surface temperature: |
---|
[1788] | 1415 | IF ( large_scale_forcing .AND. lsf_surf ) THEN |
---|
[2232] | 1416 | |
---|
| 1417 | !$OMP PARALLEL DO PRIVATE( i, j, k ) |
---|
| 1418 | DO m = 1, surf%ns |
---|
| 1419 | i = surf%i(m) |
---|
| 1420 | j = surf%j(m) |
---|
| 1421 | k = surf%k(m) |
---|
| 1422 | |
---|
| 1423 | pt(k-1,j,i) = pt_surface |
---|
[1691] | 1424 | ENDDO |
---|
| 1425 | ENDIF |
---|
| 1426 | |
---|
[2696] | 1427 | !$OMP PARALLEL DO PRIVATE( z_mo ) |
---|
| 1428 | DO m = 1, surf%ns |
---|
[1691] | 1429 | |
---|
[2696] | 1430 | z_mo = surf%z_mo(m) |
---|
[1691] | 1431 | |
---|
[2696] | 1432 | surf%ts(m) = kappa * ( surf%pt1(m) - surf%pt_surface(m) ) & |
---|
| 1433 | / ( LOG( z_mo / surf%z0h(m) ) & |
---|
| 1434 | - psi_h( z_mo / surf%ol(m) ) & |
---|
| 1435 | + psi_h( surf%z0h(m) / surf%ol(m) ) ) |
---|
[1691] | 1436 | |
---|
[2696] | 1437 | ENDDO |
---|
[2232] | 1438 | |
---|
| 1439 | ENDIF |
---|
| 1440 | ! |
---|
| 1441 | !-- Compute theta* at vertical surfaces. This is only required in case of |
---|
| 1442 | !-- land-surface model, in order to compute aerodynamical resistance. |
---|
| 1443 | IF ( surf_vertical ) THEN |
---|
[2281] | 1444 | !$OMP PARALLEL DO PRIVATE( i, j ) |
---|
[2232] | 1445 | DO m = 1, surf%ns |
---|
| 1446 | |
---|
| 1447 | i = surf%i(m) |
---|
| 1448 | j = surf%j(m) |
---|
| 1449 | surf%ts(m) = -surf%shf(m) / ( surf%us(m) + 1E-30_wp ) |
---|
| 1450 | ! |
---|
| 1451 | !-- ts must be limited, because otherwise overflow may occur in case |
---|
| 1452 | !-- of us=0 when computing ol further below |
---|
| 1453 | IF ( surf%ts(m) < -1.05E5_wp ) surf%ts(m) = -1.0E5_wp |
---|
| 1454 | IF ( surf%ts(m) > 1.0E5_wp ) surf%ts(m) = 1.0E5_wp |
---|
| 1455 | |
---|
[1691] | 1456 | ENDDO |
---|
| 1457 | ENDIF |
---|
| 1458 | |
---|
| 1459 | ! |
---|
[2232] | 1460 | !-- If required compute q* at horizontal surfaces |
---|
[1960] | 1461 | IF ( humidity ) THEN |
---|
[2232] | 1462 | IF ( constant_waterflux .AND. .NOT. surf_vertical ) THEN |
---|
[1691] | 1463 | ! |
---|
[1788] | 1464 | !-- For a given water flux in the surface layer |
---|
[2232] | 1465 | !$OMP PARALLEL DO PRIVATE( i, j, k ) |
---|
| 1466 | DO m = 1, surf%ns |
---|
| 1467 | |
---|
| 1468 | i = surf%i(m) |
---|
| 1469 | j = surf%j(m) |
---|
| 1470 | k = surf%k(m) |
---|
| 1471 | surf%qs(m) = -surf%qsws(m) * drho_air_zw(k-1) / & |
---|
| 1472 | ( surf%us(m) + 1E-30_wp ) |
---|
| 1473 | |
---|
[1691] | 1474 | ENDDO |
---|
| 1475 | |
---|
[2232] | 1476 | ELSEIF ( .NOT. surf_vertical ) THEN |
---|
[1788] | 1477 | coupled_run = ( coupling_mode == 'atmosphere_to_ocean' .AND. & |
---|
[1691] | 1478 | run_coupled ) |
---|
| 1479 | |
---|
[1788] | 1480 | IF ( large_scale_forcing .AND. lsf_surf ) THEN |
---|
[2232] | 1481 | !$OMP PARALLEL DO PRIVATE( i, j, k ) |
---|
| 1482 | DO m = 1, surf%ns |
---|
| 1483 | |
---|
| 1484 | i = surf%i(m) |
---|
| 1485 | j = surf%j(m) |
---|
| 1486 | k = surf%k(m) |
---|
| 1487 | q(k-1,j,i) = q_surface |
---|
| 1488 | |
---|
[1691] | 1489 | ENDDO |
---|
| 1490 | ENDIF |
---|
| 1491 | |
---|
| 1492 | ! |
---|
[2232] | 1493 | !-- Assume saturation for atmosphere coupled to ocean (but not |
---|
| 1494 | !-- in case of precursor runs) |
---|
| 1495 | IF ( coupled_run ) THEN |
---|
| 1496 | !$OMP PARALLEL DO PRIVATE( i, j, k, e_s ) |
---|
| 1497 | DO m = 1, surf%ns |
---|
| 1498 | i = surf%i(m) |
---|
| 1499 | j = surf%j(m) |
---|
| 1500 | k = surf%k(m) |
---|
| 1501 | e_s = 6.1_wp * & |
---|
| 1502 | EXP( 0.07_wp * ( MIN(pt(k-1,j,i),pt(k,j,i)) & |
---|
[1691] | 1503 | - 273.15_wp ) ) |
---|
[3361] | 1504 | q(k-1,j,i) = rd_d_rv * e_s / ( surface_pressure - e_s ) |
---|
[2232] | 1505 | ENDDO |
---|
| 1506 | ENDIF |
---|
[1691] | 1507 | |
---|
[3274] | 1508 | IF ( bulk_cloud_model .OR. cloud_droplets ) THEN |
---|
[2232] | 1509 | !$OMP PARALLEL DO PRIVATE( i, j, k, z_mo ) |
---|
| 1510 | DO m = 1, surf%ns |
---|
[1691] | 1511 | |
---|
[2232] | 1512 | i = surf%i(m) |
---|
| 1513 | j = surf%j(m) |
---|
| 1514 | k = surf%k(m) |
---|
| 1515 | |
---|
| 1516 | z_mo = surf%z_mo(m) |
---|
[1691] | 1517 | |
---|
[3152] | 1518 | surf%qs(m) = kappa * ( surf%qv1(m) - surf%q_surface(m) ) & |
---|
[2232] | 1519 | / ( LOG( z_mo / surf%z0q(m) ) & |
---|
| 1520 | - psi_h( z_mo / surf%ol(m) ) & |
---|
| 1521 | + psi_h( surf%z0q(m) / & |
---|
| 1522 | surf%ol(m) ) ) |
---|
[1691] | 1523 | ENDDO |
---|
[2232] | 1524 | ELSE |
---|
| 1525 | !$OMP PARALLEL DO PRIVATE( i, j, k, z_mo ) |
---|
| 1526 | DO m = 1, surf%ns |
---|
| 1527 | |
---|
| 1528 | i = surf%i(m) |
---|
| 1529 | j = surf%j(m) |
---|
| 1530 | k = surf%k(m) |
---|
| 1531 | |
---|
| 1532 | z_mo = surf%z_mo(m) |
---|
| 1533 | |
---|
| 1534 | surf%qs(m) = kappa * ( q(k,j,i) - q(k-1,j,i) ) & |
---|
| 1535 | / ( LOG( z_mo / surf%z0q(m) ) & |
---|
| 1536 | - psi_h( z_mo / surf%ol(m) ) & |
---|
| 1537 | + psi_h( surf%z0q(m) / & |
---|
| 1538 | surf%ol(m) ) ) |
---|
| 1539 | ENDDO |
---|
| 1540 | ENDIF |
---|
| 1541 | ENDIF |
---|
| 1542 | ! |
---|
| 1543 | !-- Compute q* at vertical surfaces |
---|
| 1544 | IF ( surf_vertical ) THEN |
---|
[2281] | 1545 | !$OMP PARALLEL DO PRIVATE( i, j ) |
---|
[2232] | 1546 | DO m = 1, surf%ns |
---|
| 1547 | |
---|
| 1548 | i = surf%i(m) |
---|
| 1549 | j = surf%j(m) |
---|
| 1550 | surf%qs(m) = -surf%qsws(m) / ( surf%us(m) + 1E-30_wp ) |
---|
| 1551 | |
---|
[1691] | 1552 | ENDDO |
---|
| 1553 | ENDIF |
---|
| 1554 | ENDIF |
---|
[1960] | 1555 | |
---|
| 1556 | ! |
---|
| 1557 | !-- If required compute s* |
---|
| 1558 | IF ( passive_scalar ) THEN |
---|
| 1559 | ! |
---|
[2232] | 1560 | !-- At horizontal surfaces |
---|
| 1561 | IF ( constant_scalarflux .AND. .NOT. surf_vertical ) THEN |
---|
| 1562 | ! |
---|
| 1563 | !-- For a given scalar flux in the surface layer |
---|
[2281] | 1564 | !$OMP PARALLEL DO PRIVATE( i, j ) |
---|
[2232] | 1565 | DO m = 1, surf%ns |
---|
| 1566 | i = surf%i(m) |
---|
| 1567 | j = surf%j(m) |
---|
| 1568 | surf%ss(m) = -surf%ssws(m) / ( surf%us(m) + 1E-30_wp ) |
---|
[1960] | 1569 | ENDDO |
---|
| 1570 | ENDIF |
---|
[2232] | 1571 | ! |
---|
| 1572 | !-- At vertical surfaces |
---|
| 1573 | IF ( surf_vertical ) THEN |
---|
[2281] | 1574 | !$OMP PARALLEL DO PRIVATE( i, j ) |
---|
[2232] | 1575 | DO m = 1, surf%ns |
---|
| 1576 | i = surf%i(m) |
---|
| 1577 | j = surf%j(m) |
---|
| 1578 | surf%ss(m) = -surf%ssws(m) / ( surf%us(m) + 1E-30_wp ) |
---|
| 1579 | ENDDO |
---|
| 1580 | ENDIF |
---|
[1960] | 1581 | ENDIF |
---|
[1691] | 1582 | |
---|
[2292] | 1583 | ! |
---|
[2696] | 1584 | !-- If required compute cs* (chemical species) |
---|
| 1585 | IF ( air_chemistry ) THEN |
---|
| 1586 | ! |
---|
| 1587 | !-- At horizontal surfaces |
---|
| 1588 | DO lsp = 1, nvar |
---|
| 1589 | IF ( constant_csflux(lsp) .AND. .NOT. surf_vertical ) THEN |
---|
| 1590 | !-- For a given chemical species' flux in the surface layer |
---|
| 1591 | !$OMP PARALLEL DO PRIVATE( i, j ) |
---|
| 1592 | DO m = 1, surf%ns |
---|
| 1593 | i = surf%i(m) |
---|
| 1594 | j = surf%j(m) |
---|
| 1595 | surf%css(lsp,m) = -surf%cssws(lsp,m) / ( surf%us(m) + 1E-30_wp ) |
---|
| 1596 | ENDDO |
---|
| 1597 | ENDIF |
---|
| 1598 | ENDDO |
---|
| 1599 | ! |
---|
| 1600 | !-- At vertical surfaces |
---|
| 1601 | IF ( surf_vertical ) THEN |
---|
| 1602 | DO lsp = 1, nvar |
---|
| 1603 | !$OMP PARALLEL DO PRIVATE( i, j ) |
---|
| 1604 | DO m = 1, surf%ns |
---|
| 1605 | i = surf%i(m) |
---|
| 1606 | j = surf%j(m) |
---|
| 1607 | surf%css(lsp,m) = -surf%cssws(lsp,m) / ( surf%us(m) + 1E-30_wp ) |
---|
| 1608 | ENDDO |
---|
| 1609 | ENDDO |
---|
| 1610 | ENDIF |
---|
| 1611 | ENDIF |
---|
| 1612 | |
---|
| 1613 | ! |
---|
[2292] | 1614 | !-- If required compute qc* and nc* |
---|
[3274] | 1615 | IF ( bulk_cloud_model .AND. microphysics_morrison .AND. & |
---|
[2292] | 1616 | .NOT. surf_vertical ) THEN |
---|
| 1617 | !$OMP PARALLEL DO PRIVATE( i, j, k, z_mo ) |
---|
| 1618 | DO m = 1, surf%ns |
---|
[1691] | 1619 | |
---|
[2292] | 1620 | i = surf%i(m) |
---|
| 1621 | j = surf%j(m) |
---|
| 1622 | k = surf%k(m) |
---|
| 1623 | |
---|
| 1624 | z_mo = surf%z_mo(m) |
---|
| 1625 | |
---|
| 1626 | surf%qcs(m) = kappa * ( qc(k,j,i) - qc(k-1,j,i) ) & |
---|
| 1627 | / ( LOG( z_mo / surf%z0q(m) ) & |
---|
| 1628 | - psi_h( z_mo / surf%ol(m) ) & |
---|
| 1629 | + psi_h( surf%z0q(m) / surf%ol(m) ) ) |
---|
| 1630 | |
---|
| 1631 | surf%ncs(m) = kappa * ( nc(k,j,i) - nc(k-1,j,i) ) & |
---|
| 1632 | / ( LOG( z_mo / surf%z0q(m) ) & |
---|
| 1633 | - psi_h( z_mo / surf%ol(m) ) & |
---|
| 1634 | + psi_h( surf%z0q(m) / surf%ol(m) ) ) |
---|
| 1635 | ENDDO |
---|
| 1636 | |
---|
| 1637 | ENDIF |
---|
| 1638 | |
---|
[1691] | 1639 | ! |
---|
| 1640 | !-- If required compute qr* and nr* |
---|
[3274] | 1641 | IF ( bulk_cloud_model .AND. microphysics_seifert .AND. & |
---|
[2232] | 1642 | .NOT. surf_vertical ) THEN |
---|
| 1643 | !$OMP PARALLEL DO PRIVATE( i, j, k, z_mo ) |
---|
| 1644 | DO m = 1, surf%ns |
---|
[1691] | 1645 | |
---|
[2232] | 1646 | i = surf%i(m) |
---|
| 1647 | j = surf%j(m) |
---|
| 1648 | k = surf%k(m) |
---|
[1691] | 1649 | |
---|
[2232] | 1650 | z_mo = surf%z_mo(m) |
---|
[1691] | 1651 | |
---|
[2232] | 1652 | surf%qrs(m) = kappa * ( qr(k,j,i) - qr(k-1,j,i) ) & |
---|
| 1653 | / ( LOG( z_mo / surf%z0q(m) ) & |
---|
| 1654 | - psi_h( z_mo / surf%ol(m) ) & |
---|
| 1655 | + psi_h( surf%z0q(m) / surf%ol(m) ) ) |
---|
[1691] | 1656 | |
---|
[2232] | 1657 | surf%nrs(m) = kappa * ( nr(k,j,i) - nr(k-1,j,i) ) & |
---|
| 1658 | / ( LOG( z_mo / surf%z0q(m) ) & |
---|
| 1659 | - psi_h( z_mo / surf%ol(m) ) & |
---|
| 1660 | + psi_h( surf%z0q(m) / surf%ol(m) ) ) |
---|
[1691] | 1661 | ENDDO |
---|
| 1662 | |
---|
| 1663 | ENDIF |
---|
| 1664 | |
---|
| 1665 | END SUBROUTINE calc_scaling_parameters |
---|
| 1666 | |
---|
| 1667 | |
---|
| 1668 | |
---|
| 1669 | ! |
---|
[2292] | 1670 | !-- Calculate surface fluxes usws, vsws, shf, qsws, (qcsws, qrsws, ncsws, nrsws) |
---|
[1691] | 1671 | SUBROUTINE calc_surface_fluxes |
---|
| 1672 | |
---|
| 1673 | IMPLICIT NONE |
---|
| 1674 | |
---|
[2696] | 1675 | INTEGER(iwp) :: m !< loop variable over all horizontal surf elements |
---|
| 1676 | INTEGER(iwp) :: lsp !< running index for chemical species |
---|
[1691] | 1677 | |
---|
[2232] | 1678 | REAL(wp) :: dum !< dummy to precalculate logarithm |
---|
| 1679 | REAL(wp) :: flag_u !< flag indicating u-grid, used for calculation of horizontal momentum fluxes at vertical surfaces |
---|
| 1680 | REAL(wp) :: flag_v !< flag indicating v-grid, used for calculation of horizontal momentum fluxes at vertical surfaces |
---|
| 1681 | REAL(wp), DIMENSION(:), ALLOCATABLE :: u_i !< u-component interpolated onto scalar grid point, required for momentum fluxes at vertical surfaces |
---|
| 1682 | REAL(wp), DIMENSION(:), ALLOCATABLE :: v_i !< v-component interpolated onto scalar grid point, required for momentum fluxes at vertical surfaces |
---|
| 1683 | REAL(wp), DIMENSION(:), ALLOCATABLE :: w_i !< w-component interpolated onto scalar grid point, required for momentum fluxes at vertical surfaces |
---|
[1691] | 1684 | |
---|
| 1685 | ! |
---|
[2232] | 1686 | !-- Calcuate surface fluxes at horizontal walls |
---|
| 1687 | IF ( .NOT. surf_vertical ) THEN |
---|
| 1688 | ! |
---|
| 1689 | !-- Compute u'w' for the total model domain at upward-facing surfaces. |
---|
| 1690 | !-- First compute the corresponding component of u* and square it. |
---|
| 1691 | IF ( .NOT. downward ) THEN |
---|
| 1692 | !$OMP PARALLEL DO PRIVATE( i, j, k, z_mo ) |
---|
[3634] | 1693 | !$ACC PARALLEL LOOP PRIVATE(i, j, k, z_mo) & |
---|
| 1694 | !$ACC PRESENT(surf, u, rho_air_zw) |
---|
[2232] | 1695 | DO m = 1, surf%ns |
---|
| 1696 | |
---|
| 1697 | i = surf%i(m) |
---|
| 1698 | j = surf%j(m) |
---|
| 1699 | k = surf%k(m) |
---|
[1691] | 1700 | |
---|
[2232] | 1701 | z_mo = surf%z_mo(m) |
---|
[1691] | 1702 | |
---|
[2232] | 1703 | surf%usws(m) = kappa * ( u(k,j,i) - u(k-1,j,i) ) & |
---|
| 1704 | / ( LOG( z_mo / surf%z0(m) ) & |
---|
| 1705 | - psi_m( z_mo / surf%ol(m) ) & |
---|
| 1706 | + psi_m( surf%z0(m) / surf%ol(m) ) ) |
---|
| 1707 | ! |
---|
| 1708 | !-- Please note, the computation of usws is not fully accurate. Actually |
---|
| 1709 | !-- a further interpolation of us onto the u-grid, where usws is defined, |
---|
| 1710 | !-- is required. However, this is not done as this would require several |
---|
| 1711 | !-- data transfers between 2D-grid and the surf-type. |
---|
| 1712 | !-- The impact of the missing interpolation is negligible as several |
---|
| 1713 | !-- tests had shown. |
---|
| 1714 | !-- Same also for ol. |
---|
| 1715 | surf%usws(m) = -surf%usws(m) * surf%us(m) * rho_air_zw(k-1) |
---|
[1691] | 1716 | |
---|
[2232] | 1717 | ENDDO |
---|
[1691] | 1718 | ! |
---|
[2232] | 1719 | !-- At downward-facing surfaces |
---|
| 1720 | ELSE |
---|
| 1721 | !$OMP PARALLEL DO PRIVATE( i, j, k, z_mo ) |
---|
| 1722 | DO m = 1, surf%ns |
---|
| 1723 | |
---|
| 1724 | i = surf%i(m) |
---|
| 1725 | j = surf%j(m) |
---|
| 1726 | k = surf%k(m) |
---|
[1691] | 1727 | |
---|
[2232] | 1728 | z_mo = surf%z_mo(m) |
---|
| 1729 | |
---|
| 1730 | surf%usws(m) = kappa * u(k,j,i) / LOG( z_mo / surf%z0(m) ) |
---|
| 1731 | surf%usws(m) = surf%usws(m) * surf%us(m) * rho_air_zw(k) |
---|
[1691] | 1732 | |
---|
[2232] | 1733 | ENDDO |
---|
| 1734 | ENDIF |
---|
[1691] | 1735 | |
---|
[2232] | 1736 | ! |
---|
| 1737 | !-- Compute v'w' for the total model domain. |
---|
| 1738 | !-- First compute the corresponding component of u* and square it. |
---|
| 1739 | !-- Upward-facing surfaces |
---|
| 1740 | IF ( .NOT. downward ) THEN |
---|
| 1741 | !$OMP PARALLEL DO PRIVATE( i, j, k, z_mo ) |
---|
[3634] | 1742 | !$ACC PARALLEL LOOP PRIVATE(i, j, k, z_mo) & |
---|
| 1743 | !$ACC PRESENT(surf, v, rho_air_zw) |
---|
[2232] | 1744 | DO m = 1, surf%ns |
---|
| 1745 | i = surf%i(m) |
---|
| 1746 | j = surf%j(m) |
---|
| 1747 | k = surf%k(m) |
---|
[1691] | 1748 | |
---|
[2232] | 1749 | z_mo = surf%z_mo(m) |
---|
[1691] | 1750 | |
---|
[2232] | 1751 | surf%vsws(m) = kappa * ( v(k,j,i) - v(k-1,j,i) ) & |
---|
| 1752 | / ( LOG( z_mo / surf%z0(m) ) & |
---|
| 1753 | - psi_m( z_mo / surf%ol(m) ) & |
---|
| 1754 | + psi_m( surf%z0(m) / surf%ol(m) ) ) |
---|
[1691] | 1755 | ! |
---|
[2232] | 1756 | !-- Please note, the computation of vsws is not fully accurate. Actually |
---|
| 1757 | !-- a further interpolation of us onto the v-grid, where vsws is defined, |
---|
| 1758 | !-- is required. However, this is not done as this would require several |
---|
| 1759 | !-- data transfers between 2D-grid and the surf-type. |
---|
| 1760 | !-- The impact of the missing interpolation is negligible as several |
---|
| 1761 | !-- tests had shown. |
---|
| 1762 | !-- Same also for ol. |
---|
| 1763 | surf%vsws(m) = -surf%vsws(m) * surf%us(m) * rho_air_zw(k-1) |
---|
| 1764 | ENDDO |
---|
| 1765 | ! |
---|
| 1766 | !-- Downward-facing surfaces |
---|
| 1767 | ELSE |
---|
| 1768 | !$OMP PARALLEL DO PRIVATE( i, j, k, z_mo ) |
---|
| 1769 | DO m = 1, surf%ns |
---|
| 1770 | i = surf%i(m) |
---|
| 1771 | j = surf%j(m) |
---|
| 1772 | k = surf%k(m) |
---|
[1691] | 1773 | |
---|
[2232] | 1774 | z_mo = surf%z_mo(m) |
---|
| 1775 | |
---|
| 1776 | surf%vsws(m) = kappa * v(k,j,i) / LOG( z_mo / surf%z0(m) ) |
---|
| 1777 | surf%vsws(m) = surf%vsws(m) * surf%us(m) * rho_air_zw(k) |
---|
| 1778 | ENDDO |
---|
| 1779 | ENDIF |
---|
[1691] | 1780 | ! |
---|
[2232] | 1781 | !-- Compute the vertical kinematic heat flux |
---|
[2299] | 1782 | IF ( .NOT. constant_heatflux .AND. ( ( time_since_reference_point& |
---|
| 1783 | <= skip_time_do_lsm .AND. simulated_time > 0.0_wp ) .OR. & |
---|
[2696] | 1784 | .NOT. land_surface ) .AND. .NOT. urban_surface .AND. & |
---|
[2299] | 1785 | .NOT. downward ) THEN |
---|
[2232] | 1786 | !$OMP PARALLEL DO PRIVATE( i, j, k ) |
---|
| 1787 | DO m = 1, surf%ns |
---|
| 1788 | i = surf%i(m) |
---|
| 1789 | j = surf%j(m) |
---|
| 1790 | k = surf%k(m) |
---|
| 1791 | surf%shf(m) = -surf%ts(m) * surf%us(m) * rho_air_zw(k-1) |
---|
[1691] | 1792 | ENDDO |
---|
[2232] | 1793 | ENDIF |
---|
| 1794 | ! |
---|
| 1795 | !-- Compute the vertical water flux |
---|
| 1796 | IF ( .NOT. constant_waterflux .AND. humidity .AND. & |
---|
[2299] | 1797 | ( ( time_since_reference_point <= skip_time_do_lsm .AND. & |
---|
[2696] | 1798 | simulated_time > 0.0_wp ) .OR. .NOT. land_surface ) .AND. & |
---|
| 1799 | .NOT. urban_surface .AND. .NOT. downward ) THEN |
---|
[2232] | 1800 | !$OMP PARALLEL DO PRIVATE( i, j, k ) |
---|
| 1801 | DO m = 1, surf%ns |
---|
| 1802 | i = surf%i(m) |
---|
| 1803 | j = surf%j(m) |
---|
| 1804 | k = surf%k(m) |
---|
| 1805 | surf%qsws(m) = -surf%qs(m) * surf%us(m) * rho_air_zw(k-1) |
---|
| 1806 | ENDDO |
---|
| 1807 | ENDIF |
---|
| 1808 | ! |
---|
| 1809 | !-- Compute the vertical scalar flux |
---|
| 1810 | IF ( .NOT. constant_scalarflux .AND. passive_scalar .AND. & |
---|
| 1811 | .NOT. downward ) THEN |
---|
[2281] | 1812 | !$OMP PARALLEL DO PRIVATE( i, j ) |
---|
[2232] | 1813 | DO m = 1, surf%ns |
---|
[1691] | 1814 | |
---|
[2232] | 1815 | i = surf%i(m) |
---|
| 1816 | j = surf%j(m) |
---|
| 1817 | surf%ssws(m) = -surf%ss(m) * surf%us(m) |
---|
[1691] | 1818 | |
---|
[2232] | 1819 | ENDDO |
---|
[2292] | 1820 | ENDIF |
---|
[1691] | 1821 | ! |
---|
[2696] | 1822 | !-- Compute the vertical chemical species' flux |
---|
| 1823 | DO lsp = 1, nvar |
---|
| 1824 | IF ( .NOT. constant_csflux(lsp) .AND. air_chemistry .AND. & |
---|
| 1825 | .NOT. downward ) THEN |
---|
| 1826 | !$OMP PARALLEL DO PRIVATE( i, j ) |
---|
| 1827 | DO m = 1, surf%ns |
---|
| 1828 | i = surf%i(m) |
---|
| 1829 | j = surf%j(m) |
---|
| 1830 | surf%cssws(lsp,m) = -surf%css(lsp,m) * surf%us(m) |
---|
| 1831 | ENDDO |
---|
| 1832 | ENDIF |
---|
| 1833 | ENDDO |
---|
| 1834 | |
---|
| 1835 | ! |
---|
[2292] | 1836 | !-- Compute (turbulent) fluxes of cloud water content and cloud drop conc. |
---|
[3274] | 1837 | IF ( bulk_cloud_model .AND. microphysics_morrison .AND. & |
---|
[2292] | 1838 | .NOT. downward) THEN |
---|
| 1839 | !$OMP PARALLEL DO PRIVATE( i, j ) |
---|
| 1840 | DO m = 1, surf%ns |
---|
| 1841 | |
---|
| 1842 | i = surf%i(m) |
---|
| 1843 | j = surf%j(m) |
---|
| 1844 | |
---|
| 1845 | surf%qcsws(m) = -surf%qcs(m) * surf%us(m) |
---|
| 1846 | surf%ncsws(m) = -surf%ncs(m) * surf%us(m) |
---|
| 1847 | ENDDO |
---|
| 1848 | ENDIF |
---|
| 1849 | ! |
---|
[2232] | 1850 | !-- Compute (turbulent) fluxes of rain water content and rain drop conc. |
---|
[3274] | 1851 | IF ( bulk_cloud_model .AND. microphysics_seifert .AND. & |
---|
[2232] | 1852 | .NOT. downward) THEN |
---|
[2281] | 1853 | !$OMP PARALLEL DO PRIVATE( i, j ) |
---|
[2232] | 1854 | DO m = 1, surf%ns |
---|
| 1855 | |
---|
| 1856 | i = surf%i(m) |
---|
| 1857 | j = surf%j(m) |
---|
| 1858 | |
---|
| 1859 | surf%qrsws(m) = -surf%qrs(m) * surf%us(m) |
---|
| 1860 | surf%nrsws(m) = -surf%nrs(m) * surf%us(m) |
---|
[1691] | 1861 | ENDDO |
---|
[2232] | 1862 | ENDIF |
---|
[1691] | 1863 | |
---|
[1960] | 1864 | ! |
---|
[2232] | 1865 | !-- Bottom boundary condition for the TKE. |
---|
| 1866 | IF ( ibc_e_b == 2 ) THEN |
---|
| 1867 | !$OMP PARALLEL DO PRIVATE( i, j, k ) |
---|
| 1868 | DO m = 1, surf%ns |
---|
| 1869 | |
---|
| 1870 | i = surf%i(m) |
---|
| 1871 | j = surf%j(m) |
---|
| 1872 | k = surf%k(m) |
---|
| 1873 | |
---|
| 1874 | e(k,j,i) = ( surf%us(m) / 0.1_wp )**2 |
---|
| 1875 | ! |
---|
| 1876 | !-- As a test: cm = 0.4 |
---|
| 1877 | ! e(k,j,i) = ( us(j,i) / 0.4_wp )**2 |
---|
| 1878 | e(k-1,j,i) = e(k,j,i) |
---|
| 1879 | |
---|
[1960] | 1880 | ENDDO |
---|
[2232] | 1881 | ENDIF |
---|
| 1882 | ! |
---|
| 1883 | !-- Calcuate surface fluxes at vertical surfaces. No stability is considered. |
---|
| 1884 | ELSE |
---|
| 1885 | ! |
---|
| 1886 | !-- Compute usvs l={0,1} and vsus l={2,3} |
---|
| 1887 | IF ( mom_uv ) THEN |
---|
| 1888 | ! |
---|
| 1889 | !-- Generalize computation by introducing flags. At north- and south- |
---|
| 1890 | !-- facing surfaces u-component is used, at east- and west-facing |
---|
| 1891 | !-- surfaces v-component is used. |
---|
| 1892 | flag_u = MERGE( 1.0_wp, 0.0_wp, l == 0 .OR. l == 1 ) |
---|
| 1893 | flag_v = MERGE( 1.0_wp, 0.0_wp, l == 2 .OR. l == 3 ) |
---|
| 1894 | !$OMP PARALLEL DO PRIVATE( i, j, k, z_mo ) |
---|
| 1895 | DO m = 1, surf%ns |
---|
| 1896 | i = surf%i(m) |
---|
| 1897 | j = surf%j(m) |
---|
| 1898 | k = surf%k(m) |
---|
[1691] | 1899 | |
---|
[2232] | 1900 | z_mo = surf%z_mo(m) |
---|
[1960] | 1901 | |
---|
[2232] | 1902 | surf%mom_flux_uv(m) = kappa * & |
---|
| 1903 | ( flag_u * u(k,j,i) + flag_v * v(k,j,i) ) / & |
---|
| 1904 | LOG( z_mo / surf%z0(m) ) |
---|
| 1905 | |
---|
| 1906 | surf%mom_flux_uv(m) = & |
---|
| 1907 | - surf%mom_flux_uv(m) * surf%us(m) |
---|
| 1908 | ENDDO |
---|
| 1909 | ENDIF |
---|
[1691] | 1910 | ! |
---|
[2232] | 1911 | !-- Compute wsus l={0,1} and wsvs l={2,3} |
---|
| 1912 | IF ( mom_w ) THEN |
---|
| 1913 | !$OMP PARALLEL DO PRIVATE( i, j, k, z_mo ) |
---|
| 1914 | DO m = 1, surf%ns |
---|
| 1915 | i = surf%i(m) |
---|
| 1916 | j = surf%j(m) |
---|
| 1917 | k = surf%k(m) |
---|
| 1918 | |
---|
| 1919 | z_mo = surf%z_mo(m) |
---|
| 1920 | |
---|
| 1921 | surf%mom_flux_w(m) = kappa * w(k,j,i) / LOG( z_mo / surf%z0(m) ) |
---|
| 1922 | |
---|
| 1923 | surf%mom_flux_w(m) = & |
---|
| 1924 | - surf%mom_flux_w(m) * surf%us(m) |
---|
[1691] | 1925 | ENDDO |
---|
[2232] | 1926 | ENDIF |
---|
| 1927 | ! |
---|
| 1928 | !-- Compute momentum fluxes used for subgrid-scale TKE production at |
---|
| 1929 | !-- vertical surfaces. In constrast to the calculated momentum fluxes at |
---|
| 1930 | !-- vertical surfaces before, which are defined on the u/v/w-grid, |
---|
| 1931 | !-- respectively), the TKE fluxes are defined at the scalar grid. |
---|
| 1932 | !-- |
---|
| 1933 | IF ( mom_tke ) THEN |
---|
| 1934 | ! |
---|
| 1935 | !-- Precalculate velocity components at scalar grid point. |
---|
| 1936 | ALLOCATE( u_i(1:surf%ns) ) |
---|
| 1937 | ALLOCATE( v_i(1:surf%ns) ) |
---|
| 1938 | ALLOCATE( w_i(1:surf%ns) ) |
---|
[1691] | 1939 | |
---|
[2232] | 1940 | IF ( l == 0 .OR. l == 1 ) THEN |
---|
| 1941 | !$OMP PARALLEL DO PRIVATE( i, j, k ) |
---|
| 1942 | DO m = 1, surf%ns |
---|
| 1943 | i = surf%i(m) |
---|
| 1944 | j = surf%j(m) |
---|
| 1945 | k = surf%k(m) |
---|
| 1946 | |
---|
| 1947 | u_i(m) = 0.5_wp * ( u(k,j,i) + u(k,j,i+1) ) |
---|
| 1948 | v_i(m) = 0.0_wp |
---|
| 1949 | w_i(m) = 0.5_wp * ( w(k,j,i) + w(k-1,j,i) ) |
---|
| 1950 | ENDDO |
---|
| 1951 | ELSE |
---|
| 1952 | !$OMP PARALLEL DO PRIVATE( i, j, k ) |
---|
| 1953 | DO m = 1, surf%ns |
---|
| 1954 | i = surf%i(m) |
---|
| 1955 | j = surf%j(m) |
---|
| 1956 | k = surf%k(m) |
---|
| 1957 | |
---|
| 1958 | u_i(m) = 0.0_wp |
---|
| 1959 | v_i(m) = 0.5_wp * ( v(k,j,i) + v(k,j+1,i) ) |
---|
| 1960 | w_i(m) = 0.5_wp * ( w(k,j,i) + w(k-1,j,i) ) |
---|
| 1961 | ENDDO |
---|
| 1962 | ENDIF |
---|
| 1963 | |
---|
[2281] | 1964 | !$OMP PARALLEL DO PRIVATE( i, j, dum, z_mo ) |
---|
[2232] | 1965 | DO m = 1, surf%ns |
---|
| 1966 | i = surf%i(m) |
---|
| 1967 | j = surf%j(m) |
---|
| 1968 | |
---|
| 1969 | z_mo = surf%z_mo(m) |
---|
| 1970 | |
---|
| 1971 | dum = kappa / LOG( z_mo / surf%z0(m) ) |
---|
[1691] | 1972 | ! |
---|
[2232] | 1973 | !-- usvs (l=0,1) and vsus (l=2,3) |
---|
| 1974 | surf%mom_flux_tke(0,m) = dum * ( u_i(m) + v_i(m) ) |
---|
[1691] | 1975 | ! |
---|
[2232] | 1976 | !-- wsvs (l=0,1) and wsus (l=2,3) |
---|
| 1977 | surf%mom_flux_tke(1,m) = dum * w_i(m) |
---|
| 1978 | |
---|
| 1979 | surf%mom_flux_tke(0:1,m) = & |
---|
| 1980 | - surf%mom_flux_tke(0:1,m) * surf%us(m) |
---|
[1691] | 1981 | ENDDO |
---|
[2232] | 1982 | ! |
---|
| 1983 | !-- Deallocate temporary arrays |
---|
| 1984 | DEALLOCATE( u_i ) |
---|
| 1985 | DEALLOCATE( v_i ) |
---|
| 1986 | DEALLOCATE( w_i ) |
---|
| 1987 | ENDIF |
---|
[1691] | 1988 | ENDIF |
---|
| 1989 | |
---|
| 1990 | END SUBROUTINE calc_surface_fluxes |
---|
| 1991 | |
---|
[3597] | 1992 | |
---|
| 1993 | !------------------------------------------------------------------------------! |
---|
| 1994 | ! Description: |
---|
| 1995 | ! ------------ |
---|
| 1996 | !> Calculates temperature near surface (10 cm) for indoor model or 2 m |
---|
| 1997 | !> temperature for output |
---|
| 1998 | !------------------------------------------------------------------------------! |
---|
| 1999 | SUBROUTINE calc_pt_near_surface ( z_char ) |
---|
[1691] | 2000 | |
---|
[3597] | 2001 | IMPLICIT NONE |
---|
| 2002 | |
---|
[3787] | 2003 | CHARACTER (LEN = *), INTENT(IN) :: z_char !< string identifier to identify z level |
---|
| 2004 | INTEGER(iwp) :: i, j, k, m !< running indices |
---|
[3597] | 2005 | |
---|
| 2006 | |
---|
| 2007 | SELECT CASE ( z_char) |
---|
| 2008 | |
---|
| 2009 | |
---|
| 2010 | CASE ( '10cm' ) |
---|
| 2011 | |
---|
| 2012 | DO m = 1, surf%ns |
---|
| 2013 | |
---|
| 2014 | i = surf%i(m) |
---|
| 2015 | j = surf%j(m) |
---|
| 2016 | k = surf%k(m) |
---|
| 2017 | |
---|
[3744] | 2018 | surf%pt_10cm(m) = surf%pt_surface(m) + surf%ts(m) / kappa & |
---|
| 2019 | * ( LOG( 0.1_wp / surf%z0h(m) ) & |
---|
| 2020 | - psi_h( 0.1_wp / surf%ol(m) ) & |
---|
[3597] | 2021 | + psi_h( surf%z0h(m) / surf%ol(m) ) ) |
---|
[3744] | 2022 | |
---|
[3597] | 2023 | ENDDO |
---|
| 2024 | |
---|
| 2025 | |
---|
| 2026 | CASE ( '2m' ) |
---|
| 2027 | |
---|
| 2028 | DO m = 1, surf%ns |
---|
| 2029 | |
---|
| 2030 | i = surf%i(m) |
---|
| 2031 | j = surf%j(m) |
---|
| 2032 | k = surf%k(m) |
---|
| 2033 | |
---|
[3744] | 2034 | surf%pt_2m(m) = surf%pt_surface(m) + surf%ts(m) / kappa & |
---|
| 2035 | * ( LOG( 2.0_wp / surf%z0h(m) ) & |
---|
| 2036 | - psi_h( 2.0_wp / surf%ol(m) ) & |
---|
[3597] | 2037 | + psi_h( surf%z0h(m) / surf%ol(m) ) ) |
---|
| 2038 | |
---|
| 2039 | ENDDO |
---|
| 2040 | |
---|
| 2041 | |
---|
| 2042 | END SELECT |
---|
| 2043 | |
---|
| 2044 | END SUBROUTINE calc_pt_near_surface |
---|
| 2045 | |
---|
| 2046 | |
---|
[1691] | 2047 | ! |
---|
| 2048 | !-- Integrated stability function for momentum |
---|
| 2049 | FUNCTION psi_m( zeta ) |
---|
[3634] | 2050 | !$ACC ROUTINE SEQ |
---|
[1691] | 2051 | |
---|
| 2052 | USE kinds |
---|
| 2053 | |
---|
| 2054 | IMPLICIT NONE |
---|
| 2055 | |
---|
| 2056 | REAL(wp) :: psi_m !< Integrated similarity function result |
---|
| 2057 | REAL(wp) :: zeta !< Stability parameter z/L |
---|
| 2058 | REAL(wp) :: x !< dummy variable |
---|
| 2059 | |
---|
| 2060 | REAL(wp), PARAMETER :: a = 1.0_wp !< constant |
---|
| 2061 | REAL(wp), PARAMETER :: b = 0.66666666666_wp !< constant |
---|
| 2062 | REAL(wp), PARAMETER :: c = 5.0_wp !< constant |
---|
| 2063 | REAL(wp), PARAMETER :: d = 0.35_wp !< constant |
---|
| 2064 | REAL(wp), PARAMETER :: c_d_d = c / d !< constant |
---|
| 2065 | REAL(wp), PARAMETER :: bc_d_d = b * c / d !< constant |
---|
| 2066 | |
---|
| 2067 | |
---|
| 2068 | IF ( zeta < 0.0_wp ) THEN |
---|
[1788] | 2069 | x = SQRT( SQRT( 1.0_wp - 16.0_wp * zeta ) ) |
---|
[1691] | 2070 | psi_m = pi * 0.5_wp - 2.0_wp * ATAN( x ) + LOG( ( 1.0_wp + x )**2 & |
---|
| 2071 | * ( 1.0_wp + x**2 ) * 0.125_wp ) |
---|
| 2072 | ELSE |
---|
| 2073 | |
---|
| 2074 | psi_m = - b * ( zeta - c_d_d ) * EXP( -d * zeta ) - a * zeta & |
---|
| 2075 | - bc_d_d |
---|
| 2076 | ! |
---|
| 2077 | !-- Old version for stable conditions (only valid for z/L < 0.5) |
---|
| 2078 | !-- psi_m = - 5.0_wp * zeta |
---|
| 2079 | |
---|
| 2080 | ENDIF |
---|
| 2081 | |
---|
| 2082 | END FUNCTION psi_m |
---|
| 2083 | |
---|
| 2084 | |
---|
| 2085 | ! |
---|
| 2086 | !-- Integrated stability function for heat and moisture |
---|
| 2087 | FUNCTION psi_h( zeta ) |
---|
[3634] | 2088 | !$ACC ROUTINE SEQ |
---|
[1691] | 2089 | |
---|
| 2090 | USE kinds |
---|
| 2091 | |
---|
| 2092 | IMPLICIT NONE |
---|
| 2093 | |
---|
| 2094 | REAL(wp) :: psi_h !< Integrated similarity function result |
---|
| 2095 | REAL(wp) :: zeta !< Stability parameter z/L |
---|
| 2096 | REAL(wp) :: x !< dummy variable |
---|
| 2097 | |
---|
| 2098 | REAL(wp), PARAMETER :: a = 1.0_wp !< constant |
---|
| 2099 | REAL(wp), PARAMETER :: b = 0.66666666666_wp !< constant |
---|
| 2100 | REAL(wp), PARAMETER :: c = 5.0_wp !< constant |
---|
| 2101 | REAL(wp), PARAMETER :: d = 0.35_wp !< constant |
---|
| 2102 | REAL(wp), PARAMETER :: c_d_d = c / d !< constant |
---|
| 2103 | REAL(wp), PARAMETER :: bc_d_d = b * c / d !< constant |
---|
| 2104 | |
---|
| 2105 | |
---|
| 2106 | IF ( zeta < 0.0_wp ) THEN |
---|
[1788] | 2107 | x = SQRT( 1.0_wp - 16.0_wp * zeta ) |
---|
[1691] | 2108 | psi_h = 2.0_wp * LOG( (1.0_wp + x ) / 2.0_wp ) |
---|
| 2109 | ELSE |
---|
| 2110 | psi_h = - b * ( zeta - c_d_d ) * EXP( -d * zeta ) - (1.0_wp & |
---|
| 2111 | + 0.66666666666_wp * a * zeta )**1.5_wp - bc_d_d & |
---|
| 2112 | + 1.0_wp |
---|
| 2113 | ! |
---|
| 2114 | !-- Old version for stable conditions (only valid for z/L < 0.5) |
---|
| 2115 | !-- psi_h = - 5.0_wp * zeta |
---|
| 2116 | ENDIF |
---|
| 2117 | |
---|
| 2118 | END FUNCTION psi_h |
---|
| 2119 | |
---|
[3130] | 2120 | |
---|
| 2121 | !------------------------------------------------------------------------------! |
---|
| 2122 | ! Description: |
---|
| 2123 | ! ------------ |
---|
| 2124 | !> Calculates stability function for momentum |
---|
| 2125 | !> |
---|
| 2126 | !> @author Hauke Wurps |
---|
| 2127 | !------------------------------------------------------------------------------! |
---|
| 2128 | FUNCTION phi_m( zeta ) |
---|
[3634] | 2129 | !$ACC ROUTINE SEQ |
---|
[3130] | 2130 | |
---|
| 2131 | IMPLICIT NONE |
---|
| 2132 | |
---|
| 2133 | REAL(wp) :: phi_m !< Value of the function |
---|
| 2134 | REAL(wp) :: zeta !< Stability parameter z/L |
---|
| 2135 | |
---|
| 2136 | REAL(wp), PARAMETER :: a = 16.0_wp !< constant |
---|
| 2137 | REAL(wp), PARAMETER :: c = 5.0_wp !< constant |
---|
| 2138 | |
---|
| 2139 | IF ( zeta < 0.0_wp ) THEN |
---|
| 2140 | phi_m = 1.0_wp / SQRT( SQRT( 1.0_wp - a * zeta ) ) |
---|
| 2141 | ELSE |
---|
| 2142 | phi_m = 1.0_wp + c * zeta |
---|
| 2143 | ENDIF |
---|
| 2144 | |
---|
| 2145 | END FUNCTION phi_m |
---|
| 2146 | |
---|
[1697] | 2147 | END MODULE surface_layer_fluxes_mod |
---|