[1682] | 1 | !> @file nudging.f90 |
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[1239] | 2 | !--------------------------------------------------------------------------------! |
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| 3 | ! This file is part of PALM. |
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| 4 | ! |
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| 5 | ! PALM is free software: you can redistribute it and/or modify it under the terms |
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| 6 | ! of the GNU General Public License as published by the Free Software Foundation, |
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| 7 | ! either version 3 of the License, or (at your option) any later version. |
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| 8 | ! |
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| 9 | ! PALM is distributed in the hope that it will be useful, but WITHOUT ANY |
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| 10 | ! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR |
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| 11 | ! A PARTICULAR PURPOSE. See the GNU General Public License for more details. |
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| 12 | ! |
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| 13 | ! You should have received a copy of the GNU General Public License along with |
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| 14 | ! PALM. If not, see <http://www.gnu.org/licenses/>. |
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| 15 | ! |
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[1310] | 16 | ! Copyright 1997-2014 Leibniz Universitaet Hannover |
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[1239] | 17 | !--------------------------------------------------------------------------------! |
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| 18 | ! |
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| 19 | ! Current revisions: |
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| 20 | ! ------------------ |
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[1682] | 21 | ! Code annotations made doxygen readable |
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[1383] | 22 | ! |
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| 23 | ! Former revisions: |
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| 24 | ! ----------------- |
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| 25 | ! $Id: nudging.f90 1682 2015-10-07 23:56:08Z knoop $ |
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| 26 | ! |
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[1399] | 27 | ! 1398 2014-05-07 11:15:00Z heinze |
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| 28 | ! Subroutine nudge_ref is extended to set u_init and v_init to the current |
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| 29 | ! nudging profiles |
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| 30 | ! |
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[1383] | 31 | ! 1382 2014-04-30 12:15:41Z boeske |
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[1382] | 32 | ! Changed the weighting factor that is used in the summation of nudging |
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| 33 | ! tendencies for profile data output from weight_pres to weight_substep, |
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| 34 | ! added Neumann boundary conditions for profile data output of nudging terms at |
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| 35 | ! nzt+1 |
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[1366] | 36 | ! |
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[1381] | 37 | ! 1380 2014-04-28 12:40:45Z heinze |
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| 38 | ! Subroutine nudge_ref added to account for proper upper scalar boundary |
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| 39 | ! conditions in case of nudging |
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| 40 | ! |
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[1366] | 41 | ! 1365 2014-04-22 15:03:56Z boeske |
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[1365] | 42 | ! Variable t renamed nt, variable currtnudge renamed tmp_tnudge, |
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| 43 | ! summation of nudging tendencies for data output added |
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| 44 | ! +sums_ls_l, tmp_tend |
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| 45 | ! Added new subroutine calc_tnudge, which calculates the current nudging time |
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| 46 | ! scale at each time step |
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[1354] | 47 | ! |
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[1356] | 48 | ! 1355 2014-04-10 10:21:29Z heinze |
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| 49 | ! Error message specified. |
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| 50 | ! |
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[1354] | 51 | ! 1353 2014-04-08 15:21:23Z heinze |
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| 52 | ! REAL constants provided with KIND-attribute |
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| 53 | ! |
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[1321] | 54 | ! 1320 2014-03-20 08:40:49Z raasch |
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[1320] | 55 | ! ONLY-attribute added to USE-statements, |
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| 56 | ! kind-parameters added to all INTEGER and REAL declaration statements, |
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| 57 | ! kinds are defined in new module kinds, |
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| 58 | ! old module precision_kind is removed, |
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| 59 | ! revision history before 2012 removed, |
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| 60 | ! comment fields (!:) to be used for variable explanations added to |
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| 61 | ! all variable declaration statements |
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[1239] | 62 | ! |
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[1319] | 63 | ! 1318 2014-03-17 13:35:16Z raasch |
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| 64 | ! module interfaces removed |
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| 65 | ! |
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[1269] | 66 | ! 1268 2013-12-12 09:47:53Z heinze |
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| 67 | ! bugfix: argument of calc_mean_profile corrected |
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| 68 | ! |
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[1252] | 69 | ! 1251 2013-11-07 08:14:30Z heinze |
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| 70 | ! bugfix: calculate dtm and dtp also in vector version |
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| 71 | ! |
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[1250] | 72 | ! 1249 2013-11-06 10:45:47Z heinze |
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| 73 | ! remove call of user module |
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| 74 | ! reformatting |
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| 75 | ! |
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[1242] | 76 | ! 1241 2013-10-30 11:36:58Z heinze |
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| 77 | ! Initial revision |
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[1239] | 78 | ! |
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| 79 | ! Description: |
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| 80 | ! ------------ |
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[1682] | 81 | !> Nudges u, v, pt and q to given profiles on a relaxation timescale tnudge. |
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| 82 | !> Profiles are read in from NUDGIN_DATA. Code is based on Neggers et al. (2012) |
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| 83 | !> and also part of DALES and UCLA-LES. |
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[1239] | 84 | !--------------------------------------------------------------------------------! |
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[1682] | 85 | MODULE nudge_mod |
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| 86 | |
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[1239] | 87 | |
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| 88 | PRIVATE |
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[1380] | 89 | PUBLIC init_nudge, calc_tnudge, nudge, nudge_ref |
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[1239] | 90 | SAVE |
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| 91 | |
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| 92 | INTERFACE nudge |
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| 93 | MODULE PROCEDURE nudge |
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| 94 | MODULE PROCEDURE nudge_ij |
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| 95 | END INTERFACE nudge |
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| 96 | |
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| 97 | CONTAINS |
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| 98 | |
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[1682] | 99 | !------------------------------------------------------------------------------! |
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| 100 | ! Description: |
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| 101 | ! ------------ |
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| 102 | !> @todo Missing subroutine description. |
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| 103 | !------------------------------------------------------------------------------! |
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[1239] | 104 | SUBROUTINE init_nudge |
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| 105 | |
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[1320] | 106 | USE arrays_3d, & |
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[1365] | 107 | ONLY: ptnudge, qnudge, timenudge, tmp_tnudge, tnudge, unudge, & |
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| 108 | vnudge, wnudge, zu |
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[1239] | 109 | |
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[1320] | 110 | USE control_parameters, & |
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| 111 | ONLY: dt_3d, lptnudge, lqnudge, lunudge, lvnudge, lwnudge, & |
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| 112 | message_string, ntnudge |
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| 113 | |
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| 114 | USE indices, & |
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| 115 | ONLY: nzb, nzt |
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| 116 | |
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| 117 | USE kinds |
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| 118 | |
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[1239] | 119 | IMPLICIT NONE |
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| 120 | |
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| 121 | |
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[1682] | 122 | INTEGER(iwp) :: finput = 90 !< |
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| 123 | INTEGER(iwp) :: ierrn !< |
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| 124 | INTEGER(iwp) :: k !< |
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| 125 | INTEGER(iwp) :: nt !< |
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[1239] | 126 | |
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[1682] | 127 | CHARACTER(1) :: hash !< |
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[1320] | 128 | |
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[1682] | 129 | REAL(wp) :: highheight !< |
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| 130 | REAL(wp) :: highqnudge !< |
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| 131 | REAL(wp) :: highptnudge !< |
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| 132 | REAL(wp) :: highunudge !< |
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| 133 | REAL(wp) :: highvnudge !< |
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| 134 | REAL(wp) :: highwnudge !< |
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| 135 | REAL(wp) :: hightnudge !< |
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[1320] | 136 | |
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[1682] | 137 | REAL(wp) :: lowheight !< |
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| 138 | REAL(wp) :: lowqnudge !< |
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| 139 | REAL(wp) :: lowptnudge !< |
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| 140 | REAL(wp) :: lowunudge !< |
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| 141 | REAL(wp) :: lowvnudge !< |
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| 142 | REAL(wp) :: lowwnudge !< |
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| 143 | REAL(wp) :: lowtnudge !< |
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[1320] | 144 | |
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[1682] | 145 | REAL(wp) :: fac !< |
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[1320] | 146 | |
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[1239] | 147 | ALLOCATE( ptnudge(nzb:nzt+1,1:ntnudge), qnudge(nzb:nzt+1,1:ntnudge), & |
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| 148 | tnudge(nzb:nzt+1,1:ntnudge), unudge(nzb:nzt+1,1:ntnudge), & |
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| 149 | vnudge(nzb:nzt+1,1:ntnudge), wnudge(nzb:nzt+1,1:ntnudge) ) |
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| 150 | |
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[1365] | 151 | ALLOCATE( tmp_tnudge(nzb:nzt) ) |
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| 152 | |
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[1239] | 153 | ALLOCATE( timenudge(0:ntnudge) ) |
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| 154 | |
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[1353] | 155 | ptnudge = 0.0_wp; qnudge = 0.0_wp; tnudge = 0.0_wp; unudge = 0.0_wp |
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| 156 | vnudge = 0.0_wp; wnudge = 0.0_wp; timenudge = 0.0_wp |
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[1365] | 157 | ! |
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| 158 | !-- Initialize array tmp_nudge with a current nudging time scale of 6 hours |
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| 159 | tmp_tnudge = 21600.0_wp |
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[1239] | 160 | |
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[1365] | 161 | nt = 0 |
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[1249] | 162 | OPEN ( finput, FILE='NUDGING_DATA', STATUS='OLD', & |
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| 163 | FORM='FORMATTED', IOSTAT=ierrn ) |
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[1239] | 164 | |
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[1249] | 165 | IF ( ierrn /= 0 ) THEN |
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[1239] | 166 | message_string = 'file NUDGING_DATA does not exist' |
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| 167 | CALL message( 'nudging', 'PA0365', 1, 2, 0, 6, 0 ) |
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| 168 | ENDIF |
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| 169 | |
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| 170 | ierrn = 0 |
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| 171 | |
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| 172 | rloop:DO |
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[1365] | 173 | nt = nt + 1 |
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[1239] | 174 | hash = "#" |
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[1320] | 175 | ierrn = 1 ! not zero |
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[1239] | 176 | ! |
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| 177 | !-- Search for the next line consisting of "# time", |
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| 178 | !-- from there onwards the profiles will be read |
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| 179 | DO WHILE ( .NOT. ( hash == "#" .AND. ierrn == 0 ) ) |
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| 180 | |
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[1365] | 181 | READ ( finput, *, IOSTAT=ierrn ) hash, timenudge(nt) |
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[1249] | 182 | IF ( ierrn < 0 ) EXIT rloop |
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[1239] | 183 | |
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| 184 | ENDDO |
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| 185 | |
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| 186 | ierrn = 0 |
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[1249] | 187 | READ ( finput, *, IOSTAT=ierrn ) lowheight, lowtnudge, lowunudge, & |
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| 188 | lowvnudge, lowwnudge , lowptnudge, & |
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| 189 | lowqnudge |
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[1239] | 190 | |
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[1249] | 191 | IF ( ierrn /= 0 ) THEN |
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[1239] | 192 | message_string = 'errors in file NUDGING_DATA' |
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| 193 | CALL message( 'nudging', 'PA0366', 1, 2, 0, 6, 0 ) |
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| 194 | ENDIF |
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| 195 | |
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| 196 | ierrn = 0 |
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[1249] | 197 | READ ( finput, *, IOSTAT=ierrn ) highheight, hightnudge, highunudge, & |
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| 198 | highvnudge, highwnudge , highptnudge, & |
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| 199 | highqnudge |
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[1239] | 200 | |
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[1249] | 201 | IF ( ierrn /= 0 ) THEN |
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[1239] | 202 | message_string = 'errors in file NUDGING_DATA' |
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| 203 | CALL message( 'nudging', 'PA0366', 1, 2, 0, 6, 0 ) |
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| 204 | ENDIF |
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| 205 | |
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| 206 | DO k = nzb, nzt+1 |
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[1249] | 207 | IF ( highheight < zu(k) ) THEN |
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[1239] | 208 | lowheight = highheight |
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| 209 | lowtnudge = hightnudge |
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| 210 | lowunudge = highunudge |
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| 211 | lowvnudge = highvnudge |
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| 212 | lowwnudge = highwnudge |
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| 213 | lowptnudge = highptnudge |
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| 214 | lowqnudge = highqnudge |
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| 215 | |
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| 216 | ierrn = 0 |
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[1249] | 217 | READ ( finput, *, IOSTAT=ierrn ) highheight , hightnudge , & |
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| 218 | highunudge , highvnudge , & |
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| 219 | highwnudge , highptnudge, & |
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| 220 | highqnudge |
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| 221 | IF (ierrn /= 0 ) THEN |
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[1355] | 222 | WRITE( message_string, * ) 'zu(nzt+1) = ', zu(nzt+1), 'm is ',& |
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| 223 | 'higher than the maximum height in NUDING_DATA which ', & |
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| 224 | 'is ', lowheight, 'm. Interpolation on PALM ', & |
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| 225 | 'grid is not possible.' |
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| 226 | CALL message( 'nudging', 'PA0364', 1, 2, 0, 6, 0 ) |
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[1239] | 227 | ENDIF |
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| 228 | ENDIF |
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| 229 | |
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| 230 | ! |
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| 231 | !-- Interpolation of prescribed profiles in space |
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| 232 | |
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[1249] | 233 | fac = ( highheight - zu(k) ) / ( highheight - lowheight ) |
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[1239] | 234 | |
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[1365] | 235 | tnudge(k,nt) = fac * lowtnudge + ( 1.0_wp - fac ) * hightnudge |
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| 236 | unudge(k,nt) = fac * lowunudge + ( 1.0_wp - fac ) * highunudge |
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| 237 | vnudge(k,nt) = fac * lowvnudge + ( 1.0_wp - fac ) * highvnudge |
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| 238 | wnudge(k,nt) = fac * lowwnudge + ( 1.0_wp - fac ) * highwnudge |
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| 239 | ptnudge(k,nt) = fac * lowptnudge + ( 1.0_wp - fac ) * highptnudge |
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| 240 | qnudge(k,nt) = fac * lowqnudge + ( 1.0_wp - fac ) * highqnudge |
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[1239] | 241 | ENDDO |
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| 242 | |
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| 243 | ENDDO rloop |
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| 244 | |
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[1249] | 245 | CLOSE ( finput ) |
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[1239] | 246 | |
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| 247 | ! |
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| 248 | !-- Prevent nudging if nudging profiles exhibt too small values |
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[1241] | 249 | !-- not used so far |
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[1353] | 250 | lptnudge = ANY( ABS( ptnudge ) > 1.0e-8_wp ) |
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| 251 | lqnudge = ANY( ABS( qnudge ) > 1.0e-8_wp ) |
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| 252 | lunudge = ANY( ABS( unudge ) > 1.0e-8_wp ) |
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| 253 | lvnudge = ANY( ABS( vnudge ) > 1.0e-8_wp ) |
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| 254 | lwnudge = ANY( ABS( wnudge ) > 1.0e-8_wp ) |
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[1239] | 255 | |
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| 256 | END SUBROUTINE init_nudge |
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| 257 | |
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[1365] | 258 | |
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[1682] | 259 | !------------------------------------------------------------------------------! |
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| 260 | ! Description: |
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| 261 | ! ------------ |
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| 262 | !> @todo Missing subroutine description. |
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| 263 | !------------------------------------------------------------------------------! |
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[1365] | 264 | SUBROUTINE calc_tnudge ( time ) |
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| 265 | |
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| 266 | USE arrays_3d, & |
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| 267 | ONLY: timenudge, tmp_tnudge, tnudge |
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| 268 | |
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| 269 | USE control_parameters, & |
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| 270 | ONLY: dt_3d |
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| 271 | |
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| 272 | USE indices, & |
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| 273 | ONLY: nzb, nzt |
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| 274 | |
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| 275 | USE kinds |
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| 276 | |
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| 277 | IMPLICIT NONE |
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| 278 | |
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| 279 | |
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[1682] | 280 | REAL(wp) :: dtm !< |
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| 281 | REAL(wp) :: dtp !< |
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| 282 | REAL(wp) :: time !< |
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[1365] | 283 | |
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[1682] | 284 | INTEGER(iwp) :: k !< |
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| 285 | INTEGER(iwp) :: nt !< |
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[1365] | 286 | |
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| 287 | nt = 1 |
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| 288 | DO WHILE ( time > timenudge(nt) ) |
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| 289 | nt = nt+1 |
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| 290 | ENDDO |
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| 291 | IF ( time /= timenudge(1) ) THEN |
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| 292 | nt = nt-1 |
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| 293 | ENDIF |
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| 294 | |
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| 295 | dtm = ( time - timenudge(nt) ) / ( timenudge(nt+1) - timenudge(nt) ) |
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| 296 | dtp = ( timenudge(nt+1) - time ) / ( timenudge(nt+1) - timenudge(nt) ) |
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| 297 | |
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| 298 | DO k = nzb, nzt |
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| 299 | tmp_tnudge(k) = MAX( dt_3d, tnudge(k,nt) * dtp + tnudge(k,nt+1) * dtm ) |
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| 300 | ENDDO |
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| 301 | |
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| 302 | END SUBROUTINE calc_tnudge |
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| 303 | |
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[1239] | 304 | !------------------------------------------------------------------------------! |
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[1682] | 305 | ! Description: |
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| 306 | ! ------------ |
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| 307 | !> Call for all grid points |
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[1239] | 308 | !------------------------------------------------------------------------------! |
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| 309 | SUBROUTINE nudge ( time, prog_var ) |
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| 310 | |
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[1320] | 311 | USE arrays_3d, & |
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[1365] | 312 | ONLY: pt, ptnudge, q, qnudge, tend, timenudge, tmp_tnudge, tnudge, & |
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| 313 | u, unudge, v, vnudge |
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[1239] | 314 | |
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[1320] | 315 | USE control_parameters, & |
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[1365] | 316 | ONLY: dt_3d, intermediate_timestep_count, message_string |
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[1320] | 317 | |
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| 318 | USE indices, & |
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| 319 | ONLY: nxl, nxr, nys, nyn, nzb, nzb_u_inner, nzt |
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| 320 | |
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[1365] | 321 | USE kinds |
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[1320] | 322 | |
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| 323 | USE statistics, & |
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[1382] | 324 | ONLY: hom, sums_ls_l, weight_substep |
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[1320] | 325 | |
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[1239] | 326 | IMPLICIT NONE |
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| 327 | |
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[1682] | 328 | CHARACTER (LEN=*) :: prog_var !< |
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[1239] | 329 | |
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[1682] | 330 | REAL(wp) :: tmp_tend !< |
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| 331 | REAL(wp) :: dtm !< |
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| 332 | REAL(wp) :: dtp !< |
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| 333 | REAL(wp) :: time !< |
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[1239] | 334 | |
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[1682] | 335 | INTEGER(iwp) :: i !< |
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| 336 | INTEGER(iwp) :: j !< |
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| 337 | INTEGER(iwp) :: k !< |
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| 338 | INTEGER(iwp) :: nt !< |
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[1239] | 339 | |
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| 340 | |
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[1365] | 341 | nt = 1 |
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| 342 | DO WHILE ( time > timenudge(nt) ) |
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| 343 | nt = nt+1 |
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[1251] | 344 | ENDDO |
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| 345 | IF ( time /= timenudge(1) ) THEN |
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[1365] | 346 | nt = nt-1 |
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[1251] | 347 | ENDIF |
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| 348 | |
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[1365] | 349 | dtm = ( time - timenudge(nt) ) / ( timenudge(nt+1) - timenudge(nt) ) |
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| 350 | dtp = ( timenudge(nt+1) - time ) / ( timenudge(nt+1) - timenudge(nt) ) |
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[1251] | 351 | |
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[1239] | 352 | SELECT CASE ( prog_var ) |
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| 353 | |
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| 354 | CASE ( 'u' ) |
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| 355 | |
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| 356 | DO i = nxl, nxr |
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| 357 | DO j = nys, nyn |
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[1382] | 358 | |
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[1239] | 359 | DO k = nzb_u_inner(j,i)+1, nzt |
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| 360 | |
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[1365] | 361 | tmp_tend = - ( hom(k,1,1,0) - ( unudge(k,nt) * dtp + & |
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| 362 | unudge(k,nt+1) * dtm ) ) / tmp_tnudge(k) |
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[1239] | 363 | |
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[1365] | 364 | tend(k,j,i) = tend(k,j,i) + tmp_tend |
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[1239] | 365 | |
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[1365] | 366 | sums_ls_l(k,6) = sums_ls_l(k,6) + tmp_tend * & |
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[1382] | 367 | weight_substep(intermediate_timestep_count) |
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[1239] | 368 | ENDDO |
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[1382] | 369 | |
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| 370 | sums_ls_l(nzt+1,6) = sums_ls_l(nzt,6) |
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| 371 | |
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[1239] | 372 | ENDDO |
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| 373 | ENDDO |
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| 374 | |
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| 375 | CASE ( 'v' ) |
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| 376 | |
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| 377 | DO i = nxl, nxr |
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| 378 | DO j = nys, nyn |
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[1382] | 379 | |
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[1239] | 380 | DO k = nzb_u_inner(j,i)+1, nzt |
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| 381 | |
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[1365] | 382 | tmp_tend = - ( hom(k,1,2,0) - ( vnudge(k,nt) * dtp + & |
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| 383 | vnudge(k,nt+1) * dtm ) ) / tmp_tnudge(k) |
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[1239] | 384 | |
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[1365] | 385 | tend(k,j,i) = tend(k,j,i) + tmp_tend |
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[1239] | 386 | |
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[1365] | 387 | sums_ls_l(k,7) = sums_ls_l(k,7) + tmp_tend * & |
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[1382] | 388 | weight_substep(intermediate_timestep_count) |
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[1239] | 389 | ENDDO |
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[1382] | 390 | |
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| 391 | sums_ls_l(nzt+1,7) = sums_ls_l(nzt,7) |
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| 392 | |
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[1239] | 393 | ENDDO |
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| 394 | ENDDO |
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| 395 | |
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| 396 | CASE ( 'pt' ) |
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| 397 | |
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| 398 | DO i = nxl, nxr |
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| 399 | DO j = nys, nyn |
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[1382] | 400 | |
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[1239] | 401 | DO k = nzb_u_inner(j,i)+1, nzt |
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| 402 | |
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[1365] | 403 | tmp_tend = - ( hom(k,1,4,0) - ( ptnudge(k,nt) * dtp + & |
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| 404 | ptnudge(k,nt+1) * dtm ) ) / tmp_tnudge(k) |
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[1239] | 405 | |
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[1365] | 406 | tend(k,j,i) = tend(k,j,i) + tmp_tend |
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[1239] | 407 | |
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[1365] | 408 | sums_ls_l(k,4) = sums_ls_l(k,4) + tmp_tend * & |
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[1382] | 409 | weight_substep(intermediate_timestep_count) |
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[1239] | 410 | ENDDO |
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[1382] | 411 | |
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| 412 | sums_ls_l(nzt+1,4) = sums_ls_l(nzt,4) |
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| 413 | |
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[1239] | 414 | ENDDO |
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| 415 | ENDDO |
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| 416 | |
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| 417 | CASE ( 'q' ) |
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| 418 | |
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| 419 | DO i = nxl, nxr |
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| 420 | DO j = nys, nyn |
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[1382] | 421 | |
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[1239] | 422 | DO k = nzb_u_inner(j,i)+1, nzt |
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| 423 | |
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[1365] | 424 | tmp_tend = - ( hom(k,1,41,0) - ( qnudge(k,nt) * dtp + & |
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| 425 | qnudge(k,nt+1) * dtm ) ) / tmp_tnudge(k) |
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[1239] | 426 | |
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[1365] | 427 | tend(k,j,i) = tend(k,j,i) + tmp_tend |
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[1239] | 428 | |
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[1365] | 429 | sums_ls_l(k,5) = sums_ls_l(k,5) + tmp_tend * & |
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[1382] | 430 | weight_substep(intermediate_timestep_count) |
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[1239] | 431 | ENDDO |
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[1382] | 432 | |
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| 433 | sums_ls_l(nzt+1,5) = sums_ls_l(nzt,5) |
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| 434 | |
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[1239] | 435 | ENDDO |
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| 436 | ENDDO |
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| 437 | |
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| 438 | CASE DEFAULT |
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| 439 | message_string = 'unknown prognostic variable "' // prog_var // '"' |
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| 440 | CALL message( 'nudge', 'PA0367', 1, 2, 0, 6, 0 ) |
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| 441 | |
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| 442 | END SELECT |
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| 443 | |
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| 444 | END SUBROUTINE nudge |
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| 445 | |
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| 446 | |
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| 447 | !------------------------------------------------------------------------------! |
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[1682] | 448 | ! Description: |
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| 449 | ! ------------ |
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| 450 | !> Call for grid point i,j |
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[1239] | 451 | !------------------------------------------------------------------------------! |
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| 452 | |
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| 453 | SUBROUTINE nudge_ij( i, j, time, prog_var ) |
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| 454 | |
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[1320] | 455 | USE arrays_3d, & |
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[1365] | 456 | ONLY: pt, ptnudge, q, qnudge, tend, timenudge, tmp_tnudge, tnudge, & |
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| 457 | u, unudge, v, vnudge |
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[1239] | 458 | |
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[1320] | 459 | USE control_parameters, & |
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[1365] | 460 | ONLY: dt_3d, intermediate_timestep_count, message_string |
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[1320] | 461 | |
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| 462 | USE indices, & |
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| 463 | ONLY: nxl, nxr, nys, nyn, nzb, nzb_u_inner, nzt |
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| 464 | |
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[1365] | 465 | USE kinds |
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[1320] | 466 | |
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| 467 | USE statistics, & |
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[1382] | 468 | ONLY: hom, sums_ls_l, weight_substep |
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[1320] | 469 | |
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[1239] | 470 | IMPLICIT NONE |
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| 471 | |
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| 472 | |
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[1682] | 473 | CHARACTER (LEN=*) :: prog_var !< |
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[1239] | 474 | |
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[1682] | 475 | REAL(wp) :: tmp_tend !< |
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| 476 | REAL(wp) :: dtm !< |
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| 477 | REAL(wp) :: dtp !< |
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| 478 | REAL(wp) :: time !< |
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[1239] | 479 | |
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[1682] | 480 | INTEGER(iwp) :: i !< |
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| 481 | INTEGER(iwp) :: j !< |
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| 482 | INTEGER(iwp) :: k !< |
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| 483 | INTEGER(iwp) :: nt !< |
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[1239] | 484 | |
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[1320] | 485 | |
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[1365] | 486 | nt = 1 |
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| 487 | DO WHILE ( time > timenudge(nt) ) |
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| 488 | nt = nt+1 |
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[1239] | 489 | ENDDO |
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[1249] | 490 | IF ( time /= timenudge(1) ) THEN |
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[1365] | 491 | nt = nt-1 |
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[1239] | 492 | ENDIF |
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| 493 | |
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[1365] | 494 | dtm = ( time - timenudge(nt) ) / ( timenudge(nt+1) - timenudge(nt) ) |
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| 495 | dtp = ( timenudge(nt+1) - time ) / ( timenudge(nt+1) - timenudge(nt) ) |
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[1239] | 496 | |
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| 497 | SELECT CASE ( prog_var ) |
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| 498 | |
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| 499 | CASE ( 'u' ) |
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| 500 | |
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| 501 | DO k = nzb_u_inner(j,i)+1, nzt |
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| 502 | |
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[1365] | 503 | tmp_tend = - ( hom(k,1,1,0) - ( unudge(k,nt) * dtp + & |
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| 504 | unudge(k,nt+1) * dtm ) ) / tmp_tnudge(k) |
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[1239] | 505 | |
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[1365] | 506 | tend(k,j,i) = tend(k,j,i) + tmp_tend |
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| 507 | |
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| 508 | sums_ls_l(k,6) = sums_ls_l(k,6) + tmp_tend & |
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[1382] | 509 | * weight_substep(intermediate_timestep_count) |
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[1239] | 510 | ENDDO |
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| 511 | |
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[1382] | 512 | sums_ls_l(nzt+1,6) = sums_ls_l(nzt,6) |
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| 513 | |
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[1239] | 514 | CASE ( 'v' ) |
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| 515 | |
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| 516 | DO k = nzb_u_inner(j,i)+1, nzt |
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| 517 | |
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[1365] | 518 | tmp_tend = - ( hom(k,1,2,0) - ( vnudge(k,nt) * dtp + & |
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| 519 | vnudge(k,nt+1) * dtm ) ) / tmp_tnudge(k) |
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[1239] | 520 | |
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[1365] | 521 | tend(k,j,i) = tend(k,j,i) + tmp_tend |
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| 522 | |
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| 523 | sums_ls_l(k,7) = sums_ls_l(k,7) + tmp_tend & |
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[1382] | 524 | * weight_substep(intermediate_timestep_count) |
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[1239] | 525 | ENDDO |
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| 526 | |
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[1382] | 527 | sums_ls_l(nzt+1,7) = sums_ls_l(nzt,7) |
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[1239] | 528 | |
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| 529 | CASE ( 'pt' ) |
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| 530 | |
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| 531 | DO k = nzb_u_inner(j,i)+1, nzt |
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| 532 | |
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[1365] | 533 | tmp_tend = - ( hom(k,1,4,0) - ( ptnudge(k,nt) * dtp + & |
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| 534 | ptnudge(k,nt+1) * dtm ) ) / tmp_tnudge(k) |
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[1239] | 535 | |
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[1365] | 536 | tend(k,j,i) = tend(k,j,i) + tmp_tend |
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| 537 | |
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| 538 | sums_ls_l(k,4) = sums_ls_l(k,4) + tmp_tend & |
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[1382] | 539 | * weight_substep(intermediate_timestep_count) |
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[1239] | 540 | ENDDO |
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| 541 | |
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[1382] | 542 | sums_ls_l(nzt+1,4) = sums_ls_l(nzt,4) |
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[1239] | 543 | |
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[1382] | 544 | |
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[1239] | 545 | CASE ( 'q' ) |
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| 546 | |
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| 547 | DO k = nzb_u_inner(j,i)+1, nzt |
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| 548 | |
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[1365] | 549 | tmp_tend = - ( hom(k,1,41,0) - ( qnudge(k,nt) * dtp + & |
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| 550 | qnudge(k,nt+1) * dtm ) ) / tmp_tnudge(k) |
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[1239] | 551 | |
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[1365] | 552 | tend(k,j,i) = tend(k,j,i) + tmp_tend |
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| 553 | |
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| 554 | sums_ls_l(k,5) = sums_ls_l(k,5) + tmp_tend & |
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[1382] | 555 | * weight_substep(intermediate_timestep_count) |
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[1239] | 556 | ENDDO |
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| 557 | |
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[1382] | 558 | sums_ls_l(nzt+1,5) = sums_ls_l(nzt,5) |
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| 559 | |
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[1239] | 560 | CASE DEFAULT |
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| 561 | message_string = 'unknown prognostic variable "' // prog_var // '"' |
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| 562 | CALL message( 'nudge', 'PA0367', 1, 2, 0, 6, 0 ) |
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| 563 | |
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| 564 | END SELECT |
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| 565 | |
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| 566 | |
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| 567 | END SUBROUTINE nudge_ij |
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| 568 | |
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[1380] | 569 | |
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[1682] | 570 | !------------------------------------------------------------------------------! |
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| 571 | ! Description: |
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| 572 | ! ------------ |
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| 573 | !> @todo Missing subroutine description. |
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| 574 | !------------------------------------------------------------------------------! |
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[1380] | 575 | SUBROUTINE nudge_ref ( time ) |
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| 576 | |
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| 577 | USE arrays_3d, & |
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[1398] | 578 | ONLY: time_vert, ptnudge, pt_init, qnudge, q_init, unudge, u_init, & |
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| 579 | vnudge, v_init |
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[1380] | 580 | |
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| 581 | USE kinds |
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| 582 | |
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| 583 | |
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| 584 | IMPLICIT NONE |
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| 585 | |
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[1682] | 586 | INTEGER(iwp) :: nt !< |
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[1380] | 587 | |
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[1682] | 588 | REAL(wp) :: fac !< |
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| 589 | REAL(wp), INTENT(in) :: time !< |
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[1380] | 590 | |
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| 591 | ! |
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| 592 | !-- Interpolation in time of NUDGING_DATA for pt_init and q_init. This is |
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| 593 | !-- needed for correct upper boundary conditions for pt and q and in case that |
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| 594 | ! large scale subsidence as well as scalar Rayleigh-damping are used |
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| 595 | nt = 1 |
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| 596 | DO WHILE ( time > time_vert(nt) ) |
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| 597 | nt = nt + 1 |
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| 598 | ENDDO |
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| 599 | IF ( time /= time_vert(nt) ) THEN |
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| 600 | nt = nt - 1 |
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| 601 | ENDIF |
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| 602 | |
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| 603 | fac = ( time-time_vert(nt) ) / ( time_vert(nt+1)-time_vert(nt) ) |
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| 604 | |
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| 605 | pt_init = ptnudge(:,nt) + fac * ( ptnudge(:,nt+1) - ptnudge(:,nt) ) |
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| 606 | q_init = qnudge(:,nt) + fac * ( qnudge(:,nt+1) - qnudge(:,nt) ) |
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[1398] | 607 | u_init = unudge(:,nt) + fac * ( unudge(:,nt+1) - unudge(:,nt) ) |
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| 608 | v_init = vnudge(:,nt) + fac * ( vnudge(:,nt+1) - vnudge(:,nt) ) |
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[1380] | 609 | |
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| 610 | END SUBROUTINE nudge_ref |
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| 611 | |
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[1239] | 612 | END MODULE nudge_mod |
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