[1850] | 1 | !> @file nudging_mod.f90 |
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[2000] | 2 | !------------------------------------------------------------------------------! |
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[1239] | 3 | ! This file is part of PALM. |
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| 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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[1239] | 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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[1818] | 17 | ! Copyright 1997-2016 Leibniz Universitaet Hannover |
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[2000] | 18 | !------------------------------------------------------------------------------! |
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[1239] | 19 | ! |
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| 20 | ! Current revisions: |
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| 21 | ! ------------------ |
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[2000] | 22 | ! Forced header and separation lines into 80 columns |
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[1383] | 23 | ! |
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| 24 | ! Former revisions: |
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| 25 | ! ----------------- |
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| 26 | ! $Id: nudging_mod.f90 2000 2016-08-20 18:09:15Z knoop $ |
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| 27 | ! |
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[1851] | 28 | ! 1850 2016-04-08 13:29:27Z maronga |
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| 29 | ! Module renamed |
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| 30 | ! |
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| 31 | ! |
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[1758] | 32 | ! 1757 2016-02-22 15:49:32Z maronga |
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| 33 | ! Bugfix: allow for using higher vertical resolution in nudging file than grid |
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| 34 | ! spacing in the LES model |
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| 35 | ! |
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[1683] | 36 | ! 1682 2015-10-07 23:56:08Z knoop |
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| 37 | ! Code annotations made doxygen readable |
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| 38 | ! |
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[1399] | 39 | ! 1398 2014-05-07 11:15:00Z heinze |
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| 40 | ! Subroutine nudge_ref is extended to set u_init and v_init to the current |
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| 41 | ! nudging profiles |
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| 42 | ! |
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[1383] | 43 | ! 1382 2014-04-30 12:15:41Z boeske |
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[1382] | 44 | ! Changed the weighting factor that is used in the summation of nudging |
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| 45 | ! tendencies for profile data output from weight_pres to weight_substep, |
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| 46 | ! added Neumann boundary conditions for profile data output of nudging terms at |
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| 47 | ! nzt+1 |
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[1366] | 48 | ! |
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[1381] | 49 | ! 1380 2014-04-28 12:40:45Z heinze |
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| 50 | ! Subroutine nudge_ref added to account for proper upper scalar boundary |
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| 51 | ! conditions in case of nudging |
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| 52 | ! |
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[1366] | 53 | ! 1365 2014-04-22 15:03:56Z boeske |
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[1365] | 54 | ! Variable t renamed nt, variable currtnudge renamed tmp_tnudge, |
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| 55 | ! summation of nudging tendencies for data output added |
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| 56 | ! +sums_ls_l, tmp_tend |
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| 57 | ! Added new subroutine calc_tnudge, which calculates the current nudging time |
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| 58 | ! scale at each time step |
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[1354] | 59 | ! |
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[1356] | 60 | ! 1355 2014-04-10 10:21:29Z heinze |
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| 61 | ! Error message specified. |
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| 62 | ! |
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[1354] | 63 | ! 1353 2014-04-08 15:21:23Z heinze |
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| 64 | ! REAL constants provided with KIND-attribute |
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| 65 | ! |
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[1321] | 66 | ! 1320 2014-03-20 08:40:49Z raasch |
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[1320] | 67 | ! ONLY-attribute added to USE-statements, |
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| 68 | ! kind-parameters added to all INTEGER and REAL declaration statements, |
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| 69 | ! kinds are defined in new module kinds, |
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| 70 | ! old module precision_kind is removed, |
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| 71 | ! revision history before 2012 removed, |
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| 72 | ! comment fields (!:) to be used for variable explanations added to |
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| 73 | ! all variable declaration statements |
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[1239] | 74 | ! |
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[1319] | 75 | ! 1318 2014-03-17 13:35:16Z raasch |
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| 76 | ! module interfaces removed |
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| 77 | ! |
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[1269] | 78 | ! 1268 2013-12-12 09:47:53Z heinze |
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| 79 | ! bugfix: argument of calc_mean_profile corrected |
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| 80 | ! |
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[1252] | 81 | ! 1251 2013-11-07 08:14:30Z heinze |
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| 82 | ! bugfix: calculate dtm and dtp also in vector version |
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| 83 | ! |
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[1250] | 84 | ! 1249 2013-11-06 10:45:47Z heinze |
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| 85 | ! remove call of user module |
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| 86 | ! reformatting |
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| 87 | ! |
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[1242] | 88 | ! 1241 2013-10-30 11:36:58Z heinze |
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| 89 | ! Initial revision |
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[1239] | 90 | ! |
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| 91 | ! Description: |
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| 92 | ! ------------ |
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[1682] | 93 | !> Nudges u, v, pt and q to given profiles on a relaxation timescale tnudge. |
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| 94 | !> Profiles are read in from NUDGIN_DATA. Code is based on Neggers et al. (2012) |
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| 95 | !> and also part of DALES and UCLA-LES. |
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[1239] | 96 | !--------------------------------------------------------------------------------! |
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[1682] | 97 | MODULE nudge_mod |
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| 98 | |
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[1239] | 99 | |
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| 100 | PRIVATE |
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[1380] | 101 | PUBLIC init_nudge, calc_tnudge, nudge, nudge_ref |
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[1239] | 102 | SAVE |
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| 103 | |
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| 104 | INTERFACE nudge |
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| 105 | MODULE PROCEDURE nudge |
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| 106 | MODULE PROCEDURE nudge_ij |
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| 107 | END INTERFACE nudge |
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| 108 | |
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| 109 | CONTAINS |
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| 110 | |
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[1682] | 111 | !------------------------------------------------------------------------------! |
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| 112 | ! Description: |
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| 113 | ! ------------ |
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| 114 | !> @todo Missing subroutine description. |
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| 115 | !------------------------------------------------------------------------------! |
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[1239] | 116 | SUBROUTINE init_nudge |
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| 117 | |
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[1320] | 118 | USE arrays_3d, & |
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[1365] | 119 | ONLY: ptnudge, qnudge, timenudge, tmp_tnudge, tnudge, unudge, & |
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| 120 | vnudge, wnudge, zu |
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[1239] | 121 | |
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[1320] | 122 | USE control_parameters, & |
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| 123 | ONLY: dt_3d, lptnudge, lqnudge, lunudge, lvnudge, lwnudge, & |
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| 124 | message_string, ntnudge |
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| 125 | |
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| 126 | USE indices, & |
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| 127 | ONLY: nzb, nzt |
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| 128 | |
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| 129 | USE kinds |
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| 130 | |
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[1239] | 131 | IMPLICIT NONE |
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| 132 | |
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| 133 | |
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[1682] | 134 | INTEGER(iwp) :: finput = 90 !< |
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| 135 | INTEGER(iwp) :: ierrn !< |
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| 136 | INTEGER(iwp) :: k !< |
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| 137 | INTEGER(iwp) :: nt !< |
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[1239] | 138 | |
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[1682] | 139 | CHARACTER(1) :: hash !< |
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[1320] | 140 | |
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[1682] | 141 | REAL(wp) :: highheight !< |
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| 142 | REAL(wp) :: highqnudge !< |
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| 143 | REAL(wp) :: highptnudge !< |
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| 144 | REAL(wp) :: highunudge !< |
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| 145 | REAL(wp) :: highvnudge !< |
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| 146 | REAL(wp) :: highwnudge !< |
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| 147 | REAL(wp) :: hightnudge !< |
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[1320] | 148 | |
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[1682] | 149 | REAL(wp) :: lowheight !< |
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| 150 | REAL(wp) :: lowqnudge !< |
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| 151 | REAL(wp) :: lowptnudge !< |
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| 152 | REAL(wp) :: lowunudge !< |
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| 153 | REAL(wp) :: lowvnudge !< |
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| 154 | REAL(wp) :: lowwnudge !< |
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| 155 | REAL(wp) :: lowtnudge !< |
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[1320] | 156 | |
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[1682] | 157 | REAL(wp) :: fac !< |
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[1320] | 158 | |
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[1239] | 159 | ALLOCATE( ptnudge(nzb:nzt+1,1:ntnudge), qnudge(nzb:nzt+1,1:ntnudge), & |
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| 160 | tnudge(nzb:nzt+1,1:ntnudge), unudge(nzb:nzt+1,1:ntnudge), & |
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| 161 | vnudge(nzb:nzt+1,1:ntnudge), wnudge(nzb:nzt+1,1:ntnudge) ) |
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| 162 | |
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[1365] | 163 | ALLOCATE( tmp_tnudge(nzb:nzt) ) |
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| 164 | |
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[1239] | 165 | ALLOCATE( timenudge(0:ntnudge) ) |
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| 166 | |
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[1353] | 167 | ptnudge = 0.0_wp; qnudge = 0.0_wp; tnudge = 0.0_wp; unudge = 0.0_wp |
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| 168 | vnudge = 0.0_wp; wnudge = 0.0_wp; timenudge = 0.0_wp |
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[1365] | 169 | ! |
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| 170 | !-- Initialize array tmp_nudge with a current nudging time scale of 6 hours |
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| 171 | tmp_tnudge = 21600.0_wp |
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[1239] | 172 | |
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[1365] | 173 | nt = 0 |
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[1249] | 174 | OPEN ( finput, FILE='NUDGING_DATA', STATUS='OLD', & |
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| 175 | FORM='FORMATTED', IOSTAT=ierrn ) |
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[1239] | 176 | |
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[1249] | 177 | IF ( ierrn /= 0 ) THEN |
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[1239] | 178 | message_string = 'file NUDGING_DATA does not exist' |
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| 179 | CALL message( 'nudging', 'PA0365', 1, 2, 0, 6, 0 ) |
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| 180 | ENDIF |
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| 181 | |
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| 182 | ierrn = 0 |
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| 183 | |
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| 184 | rloop:DO |
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[1365] | 185 | nt = nt + 1 |
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[1239] | 186 | hash = "#" |
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[1320] | 187 | ierrn = 1 ! not zero |
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[1239] | 188 | ! |
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| 189 | !-- Search for the next line consisting of "# time", |
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| 190 | !-- from there onwards the profiles will be read |
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| 191 | DO WHILE ( .NOT. ( hash == "#" .AND. ierrn == 0 ) ) |
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| 192 | |
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[1365] | 193 | READ ( finput, *, IOSTAT=ierrn ) hash, timenudge(nt) |
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[1249] | 194 | IF ( ierrn < 0 ) EXIT rloop |
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[1239] | 195 | |
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| 196 | ENDDO |
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| 197 | |
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| 198 | ierrn = 0 |
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[1249] | 199 | READ ( finput, *, IOSTAT=ierrn ) lowheight, lowtnudge, lowunudge, & |
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| 200 | lowvnudge, lowwnudge , lowptnudge, & |
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| 201 | lowqnudge |
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[1239] | 202 | |
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[1249] | 203 | IF ( ierrn /= 0 ) THEN |
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[1239] | 204 | message_string = 'errors in file NUDGING_DATA' |
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| 205 | CALL message( 'nudging', 'PA0366', 1, 2, 0, 6, 0 ) |
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| 206 | ENDIF |
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| 207 | |
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| 208 | ierrn = 0 |
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[1249] | 209 | READ ( finput, *, IOSTAT=ierrn ) highheight, hightnudge, highunudge, & |
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| 210 | highvnudge, highwnudge , highptnudge, & |
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| 211 | highqnudge |
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[1239] | 212 | |
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[1249] | 213 | IF ( ierrn /= 0 ) THEN |
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[1239] | 214 | message_string = 'errors in file NUDGING_DATA' |
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| 215 | CALL message( 'nudging', 'PA0366', 1, 2, 0, 6, 0 ) |
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| 216 | ENDIF |
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| 217 | |
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| 218 | DO k = nzb, nzt+1 |
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[1757] | 219 | DO WHILE ( highheight < zu(k) ) |
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[1239] | 220 | lowheight = highheight |
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| 221 | lowtnudge = hightnudge |
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| 222 | lowunudge = highunudge |
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| 223 | lowvnudge = highvnudge |
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| 224 | lowwnudge = highwnudge |
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| 225 | lowptnudge = highptnudge |
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| 226 | lowqnudge = highqnudge |
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| 227 | |
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| 228 | ierrn = 0 |
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[1249] | 229 | READ ( finput, *, IOSTAT=ierrn ) highheight , hightnudge , & |
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| 230 | highunudge , highvnudge , & |
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| 231 | highwnudge , highptnudge, & |
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| 232 | highqnudge |
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| 233 | IF (ierrn /= 0 ) THEN |
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[1355] | 234 | WRITE( message_string, * ) 'zu(nzt+1) = ', zu(nzt+1), 'm is ',& |
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| 235 | 'higher than the maximum height in NUDING_DATA which ', & |
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| 236 | 'is ', lowheight, 'm. Interpolation on PALM ', & |
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| 237 | 'grid is not possible.' |
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| 238 | CALL message( 'nudging', 'PA0364', 1, 2, 0, 6, 0 ) |
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[1239] | 239 | ENDIF |
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[1757] | 240 | ENDDO |
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[1239] | 241 | |
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| 242 | ! |
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| 243 | !-- Interpolation of prescribed profiles in space |
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| 244 | |
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[1249] | 245 | fac = ( highheight - zu(k) ) / ( highheight - lowheight ) |
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[1239] | 246 | |
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[1365] | 247 | tnudge(k,nt) = fac * lowtnudge + ( 1.0_wp - fac ) * hightnudge |
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| 248 | unudge(k,nt) = fac * lowunudge + ( 1.0_wp - fac ) * highunudge |
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| 249 | vnudge(k,nt) = fac * lowvnudge + ( 1.0_wp - fac ) * highvnudge |
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| 250 | wnudge(k,nt) = fac * lowwnudge + ( 1.0_wp - fac ) * highwnudge |
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| 251 | ptnudge(k,nt) = fac * lowptnudge + ( 1.0_wp - fac ) * highptnudge |
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| 252 | qnudge(k,nt) = fac * lowqnudge + ( 1.0_wp - fac ) * highqnudge |
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[1239] | 253 | ENDDO |
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| 254 | |
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| 255 | ENDDO rloop |
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| 256 | |
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[1249] | 257 | CLOSE ( finput ) |
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[1239] | 258 | |
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| 259 | ! |
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| 260 | !-- Prevent nudging if nudging profiles exhibt too small values |
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[1241] | 261 | !-- not used so far |
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[1353] | 262 | lptnudge = ANY( ABS( ptnudge ) > 1.0e-8_wp ) |
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| 263 | lqnudge = ANY( ABS( qnudge ) > 1.0e-8_wp ) |
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| 264 | lunudge = ANY( ABS( unudge ) > 1.0e-8_wp ) |
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| 265 | lvnudge = ANY( ABS( vnudge ) > 1.0e-8_wp ) |
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| 266 | lwnudge = ANY( ABS( wnudge ) > 1.0e-8_wp ) |
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[1239] | 267 | |
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| 268 | END SUBROUTINE init_nudge |
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| 269 | |
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[1365] | 270 | |
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[1682] | 271 | !------------------------------------------------------------------------------! |
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| 272 | ! Description: |
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| 273 | ! ------------ |
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| 274 | !> @todo Missing subroutine description. |
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| 275 | !------------------------------------------------------------------------------! |
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[1365] | 276 | SUBROUTINE calc_tnudge ( time ) |
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| 277 | |
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| 278 | USE arrays_3d, & |
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| 279 | ONLY: timenudge, tmp_tnudge, tnudge |
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| 280 | |
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| 281 | USE control_parameters, & |
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| 282 | ONLY: dt_3d |
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| 283 | |
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| 284 | USE indices, & |
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| 285 | ONLY: nzb, nzt |
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| 286 | |
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| 287 | USE kinds |
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| 288 | |
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| 289 | IMPLICIT NONE |
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| 290 | |
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| 291 | |
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[1682] | 292 | REAL(wp) :: dtm !< |
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| 293 | REAL(wp) :: dtp !< |
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| 294 | REAL(wp) :: time !< |
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[1365] | 295 | |
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[1682] | 296 | INTEGER(iwp) :: k !< |
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| 297 | INTEGER(iwp) :: nt !< |
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[1365] | 298 | |
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| 299 | nt = 1 |
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| 300 | DO WHILE ( time > timenudge(nt) ) |
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| 301 | nt = nt+1 |
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| 302 | ENDDO |
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| 303 | IF ( time /= timenudge(1) ) THEN |
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| 304 | nt = nt-1 |
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| 305 | ENDIF |
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| 306 | |
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| 307 | dtm = ( time - timenudge(nt) ) / ( timenudge(nt+1) - timenudge(nt) ) |
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| 308 | dtp = ( timenudge(nt+1) - time ) / ( timenudge(nt+1) - timenudge(nt) ) |
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| 309 | |
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| 310 | DO k = nzb, nzt |
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| 311 | tmp_tnudge(k) = MAX( dt_3d, tnudge(k,nt) * dtp + tnudge(k,nt+1) * dtm ) |
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| 312 | ENDDO |
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| 313 | |
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| 314 | END SUBROUTINE calc_tnudge |
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| 315 | |
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[1239] | 316 | !------------------------------------------------------------------------------! |
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[1682] | 317 | ! Description: |
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| 318 | ! ------------ |
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| 319 | !> Call for all grid points |
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[1239] | 320 | !------------------------------------------------------------------------------! |
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| 321 | SUBROUTINE nudge ( time, prog_var ) |
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| 322 | |
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[1320] | 323 | USE arrays_3d, & |
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[1365] | 324 | ONLY: pt, ptnudge, q, qnudge, tend, timenudge, tmp_tnudge, tnudge, & |
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| 325 | u, unudge, v, vnudge |
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[1239] | 326 | |
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[1320] | 327 | USE control_parameters, & |
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[1365] | 328 | ONLY: dt_3d, intermediate_timestep_count, message_string |
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[1320] | 329 | |
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| 330 | USE indices, & |
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| 331 | ONLY: nxl, nxr, nys, nyn, nzb, nzb_u_inner, nzt |
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| 332 | |
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[1365] | 333 | USE kinds |
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[1320] | 334 | |
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| 335 | USE statistics, & |
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[1382] | 336 | ONLY: hom, sums_ls_l, weight_substep |
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[1320] | 337 | |
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[1239] | 338 | IMPLICIT NONE |
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| 339 | |
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[1682] | 340 | CHARACTER (LEN=*) :: prog_var !< |
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[1239] | 341 | |
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[1682] | 342 | REAL(wp) :: tmp_tend !< |
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| 343 | REAL(wp) :: dtm !< |
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| 344 | REAL(wp) :: dtp !< |
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| 345 | REAL(wp) :: time !< |
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[1239] | 346 | |
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[1682] | 347 | INTEGER(iwp) :: i !< |
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| 348 | INTEGER(iwp) :: j !< |
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| 349 | INTEGER(iwp) :: k !< |
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| 350 | INTEGER(iwp) :: nt !< |
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[1239] | 351 | |
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| 352 | |
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[1365] | 353 | nt = 1 |
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| 354 | DO WHILE ( time > timenudge(nt) ) |
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| 355 | nt = nt+1 |
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[1251] | 356 | ENDDO |
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| 357 | IF ( time /= timenudge(1) ) THEN |
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[1365] | 358 | nt = nt-1 |
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[1251] | 359 | ENDIF |
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| 360 | |
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[1365] | 361 | dtm = ( time - timenudge(nt) ) / ( timenudge(nt+1) - timenudge(nt) ) |
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| 362 | dtp = ( timenudge(nt+1) - time ) / ( timenudge(nt+1) - timenudge(nt) ) |
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[1251] | 363 | |
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[1239] | 364 | SELECT CASE ( prog_var ) |
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| 365 | |
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| 366 | CASE ( 'u' ) |
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| 367 | |
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| 368 | DO i = nxl, nxr |
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| 369 | DO j = nys, nyn |
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[1382] | 370 | |
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[1239] | 371 | DO k = nzb_u_inner(j,i)+1, nzt |
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| 372 | |
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[1365] | 373 | tmp_tend = - ( hom(k,1,1,0) - ( unudge(k,nt) * dtp + & |
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| 374 | unudge(k,nt+1) * dtm ) ) / tmp_tnudge(k) |
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[1239] | 375 | |
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[1365] | 376 | tend(k,j,i) = tend(k,j,i) + tmp_tend |
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[1239] | 377 | |
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[1365] | 378 | sums_ls_l(k,6) = sums_ls_l(k,6) + tmp_tend * & |
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[1382] | 379 | weight_substep(intermediate_timestep_count) |
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[1239] | 380 | ENDDO |
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[1382] | 381 | |
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| 382 | sums_ls_l(nzt+1,6) = sums_ls_l(nzt,6) |
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| 383 | |
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[1239] | 384 | ENDDO |
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| 385 | ENDDO |
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| 386 | |
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| 387 | CASE ( 'v' ) |
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| 388 | |
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| 389 | DO i = nxl, nxr |
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| 390 | DO j = nys, nyn |
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[1382] | 391 | |
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[1239] | 392 | DO k = nzb_u_inner(j,i)+1, nzt |
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| 393 | |
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[1365] | 394 | tmp_tend = - ( hom(k,1,2,0) - ( vnudge(k,nt) * dtp + & |
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| 395 | vnudge(k,nt+1) * dtm ) ) / tmp_tnudge(k) |
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[1239] | 396 | |
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[1365] | 397 | tend(k,j,i) = tend(k,j,i) + tmp_tend |
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[1239] | 398 | |
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[1365] | 399 | sums_ls_l(k,7) = sums_ls_l(k,7) + tmp_tend * & |
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[1382] | 400 | weight_substep(intermediate_timestep_count) |
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[1239] | 401 | ENDDO |
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[1382] | 402 | |
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| 403 | sums_ls_l(nzt+1,7) = sums_ls_l(nzt,7) |
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| 404 | |
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[1239] | 405 | ENDDO |
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| 406 | ENDDO |
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| 407 | |
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| 408 | CASE ( 'pt' ) |
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| 409 | |
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| 410 | DO i = nxl, nxr |
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| 411 | DO j = nys, nyn |
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[1382] | 412 | |
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[1239] | 413 | DO k = nzb_u_inner(j,i)+1, nzt |
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| 414 | |
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[1365] | 415 | tmp_tend = - ( hom(k,1,4,0) - ( ptnudge(k,nt) * dtp + & |
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| 416 | ptnudge(k,nt+1) * dtm ) ) / tmp_tnudge(k) |
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[1239] | 417 | |
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[1365] | 418 | tend(k,j,i) = tend(k,j,i) + tmp_tend |
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[1239] | 419 | |
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[1365] | 420 | sums_ls_l(k,4) = sums_ls_l(k,4) + tmp_tend * & |
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[1382] | 421 | weight_substep(intermediate_timestep_count) |
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[1239] | 422 | ENDDO |
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[1382] | 423 | |
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| 424 | sums_ls_l(nzt+1,4) = sums_ls_l(nzt,4) |
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| 425 | |
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[1239] | 426 | ENDDO |
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| 427 | ENDDO |
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| 428 | |
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| 429 | CASE ( 'q' ) |
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| 430 | |
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| 431 | DO i = nxl, nxr |
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| 432 | DO j = nys, nyn |
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[1382] | 433 | |
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[1239] | 434 | DO k = nzb_u_inner(j,i)+1, nzt |
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| 435 | |
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[1365] | 436 | tmp_tend = - ( hom(k,1,41,0) - ( qnudge(k,nt) * dtp + & |
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| 437 | qnudge(k,nt+1) * dtm ) ) / tmp_tnudge(k) |
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[1239] | 438 | |
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[1365] | 439 | tend(k,j,i) = tend(k,j,i) + tmp_tend |
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[1239] | 440 | |
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[1365] | 441 | sums_ls_l(k,5) = sums_ls_l(k,5) + tmp_tend * & |
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[1382] | 442 | weight_substep(intermediate_timestep_count) |
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[1239] | 443 | ENDDO |
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[1382] | 444 | |
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| 445 | sums_ls_l(nzt+1,5) = sums_ls_l(nzt,5) |
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| 446 | |
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[1239] | 447 | ENDDO |
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| 448 | ENDDO |
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| 449 | |
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| 450 | CASE DEFAULT |
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| 451 | message_string = 'unknown prognostic variable "' // prog_var // '"' |
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| 452 | CALL message( 'nudge', 'PA0367', 1, 2, 0, 6, 0 ) |
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| 453 | |
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| 454 | END SELECT |
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| 455 | |
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| 456 | END SUBROUTINE nudge |
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| 457 | |
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| 458 | |
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| 459 | !------------------------------------------------------------------------------! |
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[1682] | 460 | ! Description: |
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| 461 | ! ------------ |
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| 462 | !> Call for grid point i,j |
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[1239] | 463 | !------------------------------------------------------------------------------! |
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| 464 | |
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| 465 | SUBROUTINE nudge_ij( i, j, time, prog_var ) |
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| 466 | |
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[1320] | 467 | USE arrays_3d, & |
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[1365] | 468 | ONLY: pt, ptnudge, q, qnudge, tend, timenudge, tmp_tnudge, tnudge, & |
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| 469 | u, unudge, v, vnudge |
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[1239] | 470 | |
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[1320] | 471 | USE control_parameters, & |
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[1365] | 472 | ONLY: dt_3d, intermediate_timestep_count, message_string |
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[1320] | 473 | |
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| 474 | USE indices, & |
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| 475 | ONLY: nxl, nxr, nys, nyn, nzb, nzb_u_inner, nzt |
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| 476 | |
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[1365] | 477 | USE kinds |
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[1320] | 478 | |
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| 479 | USE statistics, & |
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[1382] | 480 | ONLY: hom, sums_ls_l, weight_substep |
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[1320] | 481 | |
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[1239] | 482 | IMPLICIT NONE |
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| 483 | |
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| 484 | |
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[1682] | 485 | CHARACTER (LEN=*) :: prog_var !< |
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[1239] | 486 | |
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[1682] | 487 | REAL(wp) :: tmp_tend !< |
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| 488 | REAL(wp) :: dtm !< |
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| 489 | REAL(wp) :: dtp !< |
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| 490 | REAL(wp) :: time !< |
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[1239] | 491 | |
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[1682] | 492 | INTEGER(iwp) :: i !< |
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| 493 | INTEGER(iwp) :: j !< |
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| 494 | INTEGER(iwp) :: k !< |
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| 495 | INTEGER(iwp) :: nt !< |
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[1239] | 496 | |
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[1320] | 497 | |
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[1365] | 498 | nt = 1 |
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| 499 | DO WHILE ( time > timenudge(nt) ) |
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| 500 | nt = nt+1 |
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[1239] | 501 | ENDDO |
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[1249] | 502 | IF ( time /= timenudge(1) ) THEN |
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[1365] | 503 | nt = nt-1 |
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[1239] | 504 | ENDIF |
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| 505 | |
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[1365] | 506 | dtm = ( time - timenudge(nt) ) / ( timenudge(nt+1) - timenudge(nt) ) |
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| 507 | dtp = ( timenudge(nt+1) - time ) / ( timenudge(nt+1) - timenudge(nt) ) |
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[1239] | 508 | |
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| 509 | SELECT CASE ( prog_var ) |
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| 510 | |
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| 511 | CASE ( 'u' ) |
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| 512 | |
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| 513 | DO k = nzb_u_inner(j,i)+1, nzt |
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| 514 | |
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[1365] | 515 | tmp_tend = - ( hom(k,1,1,0) - ( unudge(k,nt) * dtp + & |
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| 516 | unudge(k,nt+1) * dtm ) ) / tmp_tnudge(k) |
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[1239] | 517 | |
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[1365] | 518 | tend(k,j,i) = tend(k,j,i) + tmp_tend |
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| 519 | |
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| 520 | sums_ls_l(k,6) = sums_ls_l(k,6) + tmp_tend & |
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[1382] | 521 | * weight_substep(intermediate_timestep_count) |
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[1239] | 522 | ENDDO |
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| 523 | |
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[1382] | 524 | sums_ls_l(nzt+1,6) = sums_ls_l(nzt,6) |
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| 525 | |
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[1239] | 526 | CASE ( 'v' ) |
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| 527 | |
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| 528 | DO k = nzb_u_inner(j,i)+1, nzt |
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| 529 | |
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[1365] | 530 | tmp_tend = - ( hom(k,1,2,0) - ( vnudge(k,nt) * dtp + & |
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| 531 | vnudge(k,nt+1) * dtm ) ) / tmp_tnudge(k) |
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[1239] | 532 | |
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[1365] | 533 | tend(k,j,i) = tend(k,j,i) + tmp_tend |
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| 534 | |
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| 535 | sums_ls_l(k,7) = sums_ls_l(k,7) + tmp_tend & |
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[1382] | 536 | * weight_substep(intermediate_timestep_count) |
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[1239] | 537 | ENDDO |
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| 538 | |
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[1382] | 539 | sums_ls_l(nzt+1,7) = sums_ls_l(nzt,7) |
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[1239] | 540 | |
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| 541 | CASE ( 'pt' ) |
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| 542 | |
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| 543 | DO k = nzb_u_inner(j,i)+1, nzt |
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| 544 | |
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[1365] | 545 | tmp_tend = - ( hom(k,1,4,0) - ( ptnudge(k,nt) * dtp + & |
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| 546 | ptnudge(k,nt+1) * dtm ) ) / tmp_tnudge(k) |
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[1239] | 547 | |
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[1365] | 548 | tend(k,j,i) = tend(k,j,i) + tmp_tend |
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| 549 | |
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| 550 | sums_ls_l(k,4) = sums_ls_l(k,4) + tmp_tend & |
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[1382] | 551 | * weight_substep(intermediate_timestep_count) |
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[1239] | 552 | ENDDO |
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| 553 | |
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[1382] | 554 | sums_ls_l(nzt+1,4) = sums_ls_l(nzt,4) |
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[1239] | 555 | |
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[1382] | 556 | |
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[1239] | 557 | CASE ( 'q' ) |
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| 558 | |
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| 559 | DO k = nzb_u_inner(j,i)+1, nzt |
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| 560 | |
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[1365] | 561 | tmp_tend = - ( hom(k,1,41,0) - ( qnudge(k,nt) * dtp + & |
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| 562 | qnudge(k,nt+1) * dtm ) ) / tmp_tnudge(k) |
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[1239] | 563 | |
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[1365] | 564 | tend(k,j,i) = tend(k,j,i) + tmp_tend |
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| 565 | |
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| 566 | sums_ls_l(k,5) = sums_ls_l(k,5) + tmp_tend & |
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[1382] | 567 | * weight_substep(intermediate_timestep_count) |
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[1239] | 568 | ENDDO |
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| 569 | |
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[1382] | 570 | sums_ls_l(nzt+1,5) = sums_ls_l(nzt,5) |
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| 571 | |
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[1239] | 572 | CASE DEFAULT |
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| 573 | message_string = 'unknown prognostic variable "' // prog_var // '"' |
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| 574 | CALL message( 'nudge', 'PA0367', 1, 2, 0, 6, 0 ) |
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| 575 | |
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| 576 | END SELECT |
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| 577 | |
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| 578 | |
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| 579 | END SUBROUTINE nudge_ij |
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| 580 | |
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[1380] | 581 | |
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[1682] | 582 | !------------------------------------------------------------------------------! |
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| 583 | ! Description: |
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| 584 | ! ------------ |
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| 585 | !> @todo Missing subroutine description. |
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| 586 | !------------------------------------------------------------------------------! |
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[1380] | 587 | SUBROUTINE nudge_ref ( time ) |
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| 588 | |
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| 589 | USE arrays_3d, & |
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[1398] | 590 | ONLY: time_vert, ptnudge, pt_init, qnudge, q_init, unudge, u_init, & |
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| 591 | vnudge, v_init |
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[1380] | 592 | |
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| 593 | USE kinds |
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| 594 | |
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| 595 | |
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| 596 | IMPLICIT NONE |
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| 597 | |
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[1682] | 598 | INTEGER(iwp) :: nt !< |
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[1380] | 599 | |
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[1682] | 600 | REAL(wp) :: fac !< |
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| 601 | REAL(wp), INTENT(in) :: time !< |
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[1380] | 602 | |
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| 603 | ! |
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| 604 | !-- Interpolation in time of NUDGING_DATA for pt_init and q_init. This is |
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| 605 | !-- needed for correct upper boundary conditions for pt and q and in case that |
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| 606 | ! large scale subsidence as well as scalar Rayleigh-damping are used |
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| 607 | nt = 1 |
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| 608 | DO WHILE ( time > time_vert(nt) ) |
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| 609 | nt = nt + 1 |
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| 610 | ENDDO |
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| 611 | IF ( time /= time_vert(nt) ) THEN |
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| 612 | nt = nt - 1 |
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| 613 | ENDIF |
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| 614 | |
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| 615 | fac = ( time-time_vert(nt) ) / ( time_vert(nt+1)-time_vert(nt) ) |
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| 616 | |
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| 617 | pt_init = ptnudge(:,nt) + fac * ( ptnudge(:,nt+1) - ptnudge(:,nt) ) |
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| 618 | q_init = qnudge(:,nt) + fac * ( qnudge(:,nt+1) - qnudge(:,nt) ) |
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[1398] | 619 | u_init = unudge(:,nt) + fac * ( unudge(:,nt+1) - unudge(:,nt) ) |
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| 620 | v_init = vnudge(:,nt) + fac * ( vnudge(:,nt+1) - vnudge(:,nt) ) |
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[1380] | 621 | |
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| 622 | END SUBROUTINE nudge_ref |
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| 623 | |
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[1239] | 624 | END MODULE nudge_mod |
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