[2053] | 1 | MODULE domrea |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE domrea *** |
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| 4 | !! Ocean initialization : read the ocean domain meshmask file(s) |
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| 5 | !!====================================================================== |
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[2464] | 6 | !! History : 3.3 ! 2010-05 (C. Ethe) Full reorganization of the off-line |
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| 7 | !!---------------------------------------------------------------------- |
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[2053] | 8 | |
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| 9 | !!---------------------------------------------------------------------- |
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| 10 | !! dom_rea : read mesh and mask file(s) |
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| 11 | !! nmsh = 1 : mesh_mask file |
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| 12 | !! = 2 : mesh and mask file |
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| 13 | !! = 3 : mesh_hgr, mesh_zgr and mask |
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| 14 | !!---------------------------------------------------------------------- |
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| 15 | USE dom_oce ! ocean space and time domain |
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[2444] | 16 | USE dommsk ! domain: masks |
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[2464] | 17 | USE lbclnk ! lateral boundary condition - MPP exchanges |
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[2444] | 18 | USE in_out_manager ! I/O manager |
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[2053] | 19 | |
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| 20 | IMPLICIT NONE |
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| 21 | PRIVATE |
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| 22 | |
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[2444] | 23 | PUBLIC dom_rea ! routine called by inidom.F90 |
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[2053] | 24 | !!---------------------------------------------------------------------- |
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[2287] | 25 | !! NEMO/OFF 3.3 , NEMO Consortium (2010) |
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| 26 | !! $Id$ |
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[2464] | 27 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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[2053] | 28 | !!---------------------------------------------------------------------- |
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| 29 | CONTAINS |
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| 30 | |
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| 31 | SUBROUTINE dom_rea |
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| 32 | !!---------------------------------------------------------------------- |
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| 33 | !! *** ROUTINE dom_rea *** |
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| 34 | !! |
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| 35 | !! ** Purpose : Read the NetCDF file(s) which contain(s) all the |
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| 36 | !! ocean domain informations (mesh and mask arrays). This (these) |
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| 37 | !! file(s) is (are) used for visualisation (SAXO software) and |
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| 38 | !! diagnostic computation. |
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| 39 | !! |
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| 40 | !! ** Method : Read in a file all the arrays generated in routines |
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| 41 | !! domhgr, domzgr, and dommsk. Note: the file contain depends on |
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| 42 | !! the vertical coord. used (z-coord, partial steps, s-coord) |
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| 43 | !! nmsh = 1 : 'mesh_mask.nc' file |
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| 44 | !! = 2 : 'mesh.nc' and mask.nc' files |
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| 45 | !! = 3 : 'mesh_hgr.nc', 'mesh_zgr.nc' and |
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| 46 | !! 'mask.nc' files |
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| 47 | !! For huge size domain, use option 2 or 3 depending on your |
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| 48 | !! vertical coordinate. |
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| 49 | !! |
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| 50 | !! ** input file : |
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| 51 | !! meshmask.nc : domain size, horizontal grid-point position, |
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| 52 | !! masks, depth and vertical scale factors |
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| 53 | !!---------------------------------------------------------------------- |
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| 54 | USE iom |
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[2444] | 55 | !! |
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| 56 | INTEGER :: ji, jj, jk ! dummy loop indices |
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| 57 | INTEGER :: ik, inum0 , inum1 , inum2 , inum3 , inum4 ! local integers |
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| 58 | REAL(wp) :: zrefdep ! local real |
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[2482] | 59 | REAL(wp), DIMENSION(jpi,jpj) :: zmbk, zprt, zprw ! 2D workspace |
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[2053] | 60 | !!---------------------------------------------------------------------- |
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| 61 | |
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[2444] | 62 | IF(lwp) WRITE(numout,*) |
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| 63 | IF(lwp) WRITE(numout,*) 'dom_rea : read NetCDF mesh and mask information file(s)' |
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| 64 | IF(lwp) WRITE(numout,*) '~~~~~~~' |
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[2053] | 65 | |
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[2457] | 66 | zmbk(:,:) = 0._wp |
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[2053] | 67 | |
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| 68 | SELECT CASE (nmsh) |
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| 69 | ! ! ============================ |
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| 70 | CASE ( 1 ) ! create 'mesh_mask.nc' file |
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| 71 | ! ! ============================ |
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| 72 | |
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| 73 | IF(lwp) WRITE(numout,*) ' one file in "mesh_mask.nc" ' |
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| 74 | CALL iom_open( 'mesh_mask', inum0 ) |
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| 75 | |
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| 76 | inum2 = inum0 ! put all the informations |
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| 77 | inum3 = inum0 ! in unit inum0 |
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| 78 | inum4 = inum0 |
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| 79 | |
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| 80 | ! ! ============================ |
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| 81 | CASE ( 2 ) ! create 'mesh.nc' and |
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| 82 | ! ! 'mask.nc' files |
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| 83 | ! ! ============================ |
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| 84 | |
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| 85 | IF(lwp) WRITE(numout,*) ' two files in "mesh.nc" and "mask.nc" ' |
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| 86 | CALL iom_open( 'mesh', inum1 ) |
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| 87 | CALL iom_open( 'mask', inum2 ) |
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| 88 | |
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| 89 | inum3 = inum1 ! put mesh informations |
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| 90 | inum4 = inum1 ! in unit inum1 |
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| 91 | |
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| 92 | ! ! ============================ |
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| 93 | CASE ( 3 ) ! create 'mesh_hgr.nc' |
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| 94 | ! ! 'mesh_zgr.nc' and |
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| 95 | ! ! 'mask.nc' files |
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| 96 | ! ! ============================ |
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| 97 | |
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| 98 | IF(lwp) WRITE(numout,*) ' three files in "mesh_hgr.nc" , "mesh_zgr.nc" and "mask.nc" ' |
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| 99 | CALL iom_open( 'mesh_hgr', inum3 ) ! create 'mesh_hgr.nc' |
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| 100 | CALL iom_open( 'mesh_zgr', inum4 ) ! create 'mesh_zgr.nc' |
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| 101 | CALL iom_open( 'mask' , inum2 ) ! create 'mask.nc' |
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| 102 | |
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| 103 | END SELECT |
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| 104 | |
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| 105 | ! ! masks (inum2) |
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| 106 | CALL iom_get( inum2, jpdom_data, 'tmask', tmask ) |
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| 107 | CALL iom_get( inum2, jpdom_data, 'umask', umask ) |
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| 108 | CALL iom_get( inum2, jpdom_data, 'vmask', vmask ) |
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| 109 | CALL iom_get( inum2, jpdom_data, 'fmask', fmask ) |
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| 110 | |
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| 111 | #if defined key_c1d |
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| 112 | ! set umask and vmask equal tmask in 1D configuration |
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| 113 | IF(lwp) WRITE(numout,*) |
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| 114 | IF(lwp) WRITE(numout,*) '********** 1D configuration : set umask and vmask equal tmask ********' |
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| 115 | IF(lwp) WRITE(numout,*) '********** ********' |
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| 116 | |
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| 117 | umask(:,:,:) = tmask(:,:,:) |
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| 118 | vmask(:,:,:) = tmask(:,:,:) |
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| 119 | #endif |
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| 120 | |
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| 121 | #if defined key_degrad |
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| 122 | CALL iom_get( inum2, jpdom_data, 'facvolt', facvol ) |
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| 123 | #endif |
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| 124 | |
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| 125 | ! ! horizontal mesh (inum3) |
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| 126 | CALL iom_get( inum3, jpdom_data, 'glamt', glamt ) |
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| 127 | CALL iom_get( inum3, jpdom_data, 'glamu', glamu ) |
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| 128 | CALL iom_get( inum3, jpdom_data, 'glamv', glamv ) |
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| 129 | CALL iom_get( inum3, jpdom_data, 'glamf', glamf ) |
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| 130 | |
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| 131 | CALL iom_get( inum3, jpdom_data, 'gphit', gphit ) |
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| 132 | CALL iom_get( inum3, jpdom_data, 'gphiu', gphiu ) |
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| 133 | CALL iom_get( inum3, jpdom_data, 'gphiv', gphiv ) |
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| 134 | CALL iom_get( inum3, jpdom_data, 'gphif', gphif ) |
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| 135 | |
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| 136 | CALL iom_get( inum3, jpdom_data, 'e1t', e1t ) |
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| 137 | CALL iom_get( inum3, jpdom_data, 'e1u', e1u ) |
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| 138 | CALL iom_get( inum3, jpdom_data, 'e1v', e1v ) |
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| 139 | |
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| 140 | CALL iom_get( inum3, jpdom_data, 'e2t', e2t ) |
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| 141 | CALL iom_get( inum3, jpdom_data, 'e2u', e2u ) |
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| 142 | CALL iom_get( inum3, jpdom_data, 'e2v', e2v ) |
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| 143 | |
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| 144 | CALL iom_get( inum3, jpdom_data, 'ff', ff ) |
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| 145 | |
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[2464] | 146 | CALL iom_get( inum4, jpdom_data, 'mbathy', zmbk ) ! number of ocean t-points |
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| 147 | mbathy(:,:) = INT( zmbk(:,:) ) |
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| 148 | |
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| 149 | CALL zgr_bot_level ! mbk. arrays (deepest ocean t-, u- & v-points |
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[2457] | 150 | ! |
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[2053] | 151 | IF( ln_sco ) THEN ! s-coordinate |
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| 152 | CALL iom_get( inum4, jpdom_data, 'hbatt', hbatt ) |
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| 153 | CALL iom_get( inum4, jpdom_data, 'hbatu', hbatu ) |
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| 154 | CALL iom_get( inum4, jpdom_data, 'hbatv', hbatv ) |
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| 155 | CALL iom_get( inum4, jpdom_data, 'hbatf', hbatf ) |
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| 156 | |
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| 157 | CALL iom_get( inum4, jpdom_unknown, 'gsigt', gsigt ) ! scaling coef. |
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| 158 | CALL iom_get( inum4, jpdom_unknown, 'gsigw', gsigw ) |
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| 159 | CALL iom_get( inum4, jpdom_unknown, 'gsi3w', gsi3w ) |
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| 160 | CALL iom_get( inum4, jpdom_unknown, 'esigt', esigt ) |
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| 161 | CALL iom_get( inum4, jpdom_unknown, 'esigw', esigw ) |
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| 162 | |
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| 163 | CALL iom_get( inum4, jpdom_data, 'e3t', e3t ) ! scale factors |
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| 164 | CALL iom_get( inum4, jpdom_data, 'e3u', e3u ) |
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| 165 | CALL iom_get( inum4, jpdom_data, 'e3v', e3v ) |
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| 166 | CALL iom_get( inum4, jpdom_data, 'e3w', e3w ) |
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| 167 | |
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| 168 | CALL iom_get( inum4, jpdom_unknown, 'gdept_0', gdept_0 ) ! depth |
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| 169 | CALL iom_get( inum4, jpdom_unknown, 'gdepw_0', gdepw_0 ) |
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| 170 | ENDIF |
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| 171 | |
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| 172 | |
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[2464] | 173 | IF( ln_zps ) THEN ! z-coordinate - partial steps |
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| 174 | CALL iom_get( inum4, jpdom_unknown, 'gdept_0', gdept_0 ) ! reference depth |
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[2053] | 175 | CALL iom_get( inum4, jpdom_unknown, 'gdepw_0', gdepw_0 ) |
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[2464] | 176 | CALL iom_get( inum4, jpdom_unknown, 'e3t_0' , e3t_0 ) ! reference scale factors |
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[2053] | 177 | CALL iom_get( inum4, jpdom_unknown, 'e3w_0' , e3w_0 ) |
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[2464] | 178 | ! |
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| 179 | IF( nmsh <= 6 ) THEN ! 3D vertical scale factors |
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| 180 | CALL iom_get( inum4, jpdom_data, 'e3t', e3t ) |
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| 181 | CALL iom_get( inum4, jpdom_data, 'e3u', e3u ) |
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| 182 | CALL iom_get( inum4, jpdom_data, 'e3v', e3v ) |
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| 183 | CALL iom_get( inum4, jpdom_data, 'e3w', e3w ) |
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| 184 | ELSE ! 2D bottom scale factors |
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| 185 | CALL iom_get( inum4, jpdom_data, 'e3t_ps', e3tp ) |
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| 186 | CALL iom_get( inum4, jpdom_data, 'e3w_ps', e3wp ) |
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| 187 | ! ! deduces the 3D scale factors |
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| 188 | DO jk = 1, jpk |
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| 189 | e3t(:,:,jk) = e3t_0(jk) ! set to the ref. factors |
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| 190 | e3u(:,:,jk) = e3t_0(jk) |
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| 191 | e3v(:,:,jk) = e3t_0(jk) |
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| 192 | e3w(:,:,jk) = e3w_0(jk) |
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| 193 | END DO |
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| 194 | DO jj = 1,jpj ! adjust the deepest values |
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| 195 | DO ji = 1,jpi |
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| 196 | ik = mbkt(ji,jj) |
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| 197 | e3t(ji,jj,ik) = e3tp(ji,jj) * tmask(ji,jj,1) + e3t_0(1) * ( 1._wp - tmask(ji,jj,1) ) |
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| 198 | e3w(ji,jj,ik) = e3wp(ji,jj) * tmask(ji,jj,1) + e3w_0(1) * ( 1._wp - tmask(ji,jj,1) ) |
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| 199 | END DO |
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| 200 | END DO |
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| 201 | DO jk = 1,jpk ! Computed as the minimum of neighbooring scale factors |
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| 202 | DO jj = 1, jpjm1 |
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| 203 | DO ji = 1, jpim1 |
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| 204 | e3u(ji,jj,jk) = MIN( e3t(ji,jj,jk), e3t(ji+1,jj,jk) ) |
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| 205 | e3v(ji,jj,jk) = MIN( e3t(ji,jj,jk), e3t(ji,jj+1,jk) ) |
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| 206 | END DO |
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| 207 | END DO |
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| 208 | END DO |
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| 209 | CALL lbc_lnk( e3u , 'U', 1._wp ) ; CALL lbc_lnk( e3uw, 'U', 1._wp ) ! lateral boundary conditions |
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| 210 | CALL lbc_lnk( e3v , 'V', 1._wp ) ; CALL lbc_lnk( e3vw, 'V', 1._wp ) |
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| 211 | ! |
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| 212 | DO jk = 1, jpk ! set to z-scale factor if zero (i.e. along closed boundaries) |
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| 213 | WHERE( e3u(:,:,jk) == 0._wp ) e3u(:,:,jk) = e3t_0(jk) |
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| 214 | WHERE( e3v(:,:,jk) == 0._wp ) e3v(:,:,jk) = e3t_0(jk) |
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| 215 | END DO |
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[2053] | 216 | END IF |
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| 217 | |
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[2464] | 218 | IF( iom_varid( inum4, 'gdept', ldstop = .FALSE. ) > 0 ) THEN ! 3D depth of t- and w-level |
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| 219 | CALL iom_get( inum4, jpdom_data, 'gdept', gdept ) |
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| 220 | CALL iom_get( inum4, jpdom_data, 'gdepw', gdepw ) |
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| 221 | ELSE ! 2D bottom depth |
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[2482] | 222 | CALL iom_get( inum4, jpdom_data, 'hdept', zprt ) |
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| 223 | CALL iom_get( inum4, jpdom_data, 'hdepw', zprw ) |
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[2464] | 224 | ! |
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| 225 | DO jk = 1, jpk ! deduces the 3D depth |
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| 226 | gdept(:,:,jk) = gdept_0(jk) |
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| 227 | gdepw(:,:,jk) = gdepw_0(jk) |
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| 228 | END DO |
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| 229 | DO jj = 1, jpj |
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| 230 | DO ji = 1, jpi |
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| 231 | ik = mbkt(ji,jj) |
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| 232 | IF( ik > 0 ) THEN |
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[2482] | 233 | gdepw(ji,jj,ik+1) = zprw(ji,jj) |
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| 234 | gdept(ji,jj,ik ) = zprt(ji,jj) |
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[2464] | 235 | gdept(ji,jj,ik+1) = gdept(ji,jj,ik) + e3t(ji,jj,ik) |
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| 236 | ENDIF |
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| 237 | END DO |
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| 238 | END DO |
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[2053] | 239 | ENDIF |
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[2464] | 240 | ! |
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[2053] | 241 | ENDIF |
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[2240] | 242 | |
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[2464] | 243 | IF( ln_zco ) THEN ! Vertical coordinates and scales factors |
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| 244 | CALL iom_get( inum4, jpdom_unknown, 'gdept_0', gdept_0 ) ! depth |
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| 245 | CALL iom_get( inum4, jpdom_unknown, 'gdepw_0', gdepw_0 ) |
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| 246 | CALL iom_get( inum4, jpdom_unknown, 'e3t_0' , e3t_0 ) |
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| 247 | CALL iom_get( inum4, jpdom_unknown, 'e3w_0' , e3w_0 ) |
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[2053] | 248 | ENDIF |
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| 249 | |
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[2431] | 250 | !!gm BUG in s-coordinate this does not work! |
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| 251 | ! deepest/shallowest W level Above/Below ~10m |
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[2444] | 252 | zrefdep = 10._wp - ( 0.1_wp * MINVAL(e3w_0) ) ! ref. depth with tolerance (10% of minimum layer thickness) |
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[2431] | 253 | nlb10 = MINLOC( gdepw_0, mask = gdepw_0 > zrefdep, dim = 1 ) ! shallowest W level Below ~10m |
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| 254 | nla10 = nlb10 - 1 ! deepest W level Above ~10m |
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| 255 | !!gm end bug |
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[2053] | 256 | |
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| 257 | ! Control printing : Grid informations (if not restart) |
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| 258 | ! ---------------- |
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| 259 | |
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| 260 | IF(lwp .AND. .NOT.ln_rstart ) THEN |
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| 261 | WRITE(numout,*) |
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| 262 | WRITE(numout,*) ' longitude and e1 scale factors' |
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| 263 | WRITE(numout,*) ' ------------------------------' |
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| 264 | WRITE(numout,9300) ( ji, glamt(ji,1), glamu(ji,1), & |
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| 265 | glamv(ji,1), glamf(ji,1), & |
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| 266 | e1t(ji,1), e1u(ji,1), & |
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| 267 | e1v(ji,1), ji = 1, jpi,10) |
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| 268 | 9300 FORMAT( 1x, i4, f8.2,1x, f8.2,1x, f8.2,1x, f8.2, 1x, & |
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| 269 | f19.10, 1x, f19.10, 1x, f19.10 ) |
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| 270 | |
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| 271 | WRITE(numout,*) |
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| 272 | WRITE(numout,*) ' latitude and e2 scale factors' |
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| 273 | WRITE(numout,*) ' -----------------------------' |
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| 274 | WRITE(numout,9300) ( jj, gphit(1,jj), gphiu(1,jj), & |
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| 275 | & gphiv(1,jj), gphif(1,jj), & |
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| 276 | & e2t (1,jj), e2u (1,jj), & |
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| 277 | & e2v (1,jj), jj = 1, jpj, 10 ) |
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| 278 | ENDIF |
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| 279 | |
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| 280 | |
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| 281 | IF( nprint == 1 .AND. lwp ) THEN |
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| 282 | WRITE(numout,*) ' e1u e2u ' |
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| 283 | CALL prihre( e1u,jpi,jpj,jpi-5,jpi,1,jpj-5,jpj,1,0.,numout ) |
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| 284 | CALL prihre( e2u,jpi,jpj,jpi-5,jpi,1,jpj-5,jpj,1,0.,numout ) |
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| 285 | WRITE(numout,*) ' e1v e2v ' |
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| 286 | CALL prihre( e1v,jpi,jpj,jpi-5,jpi,1,jpj-5,jpj,1,0.,numout ) |
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| 287 | CALL prihre( e2v,jpi,jpj,jpi-5,jpi,1,jpj-5,jpj,1,0.,numout ) |
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| 288 | ENDIF |
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| 289 | |
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| 290 | IF(lwp) THEN |
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| 291 | WRITE(numout,*) |
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| 292 | WRITE(numout,*) ' Reference z-coordinate depth and scale factors:' |
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| 293 | WRITE(numout, "(9x,' level gdept gdepw e3t e3w ')" ) |
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| 294 | WRITE(numout, "(10x, i4, 4f9.2)" ) ( jk, gdept_0(jk), gdepw_0(jk), e3t_0(jk), e3w_0(jk), jk = 1, jpk ) |
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| 295 | ENDIF |
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| 296 | |
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| 297 | DO jk = 1, jpk |
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[2444] | 298 | IF( e3w_0 (jk) <= 0._wp .OR. e3t_0 (jk) <= 0._wp ) CALL ctl_stop( ' e3w_0 or e3t_0 =< 0 ' ) |
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| 299 | IF( gdepw_0(jk) < 0._wp .OR. gdept_0(jk) < 0._wp ) CALL ctl_stop( ' gdepw_0 or gdept_0 < 0 ' ) |
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[2053] | 300 | END DO |
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[2444] | 301 | ! ! ============================ |
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| 302 | ! ! close the files |
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| 303 | ! ! ============================ |
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| 304 | SELECT CASE ( nmsh ) |
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| 305 | CASE ( 1 ) |
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| 306 | CALL iom_close( inum0 ) |
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| 307 | CASE ( 2 ) |
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| 308 | CALL iom_close( inum1 ) |
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| 309 | CALL iom_close( inum2 ) |
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| 310 | CASE ( 3 ) |
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| 311 | CALL iom_close( inum2 ) |
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| 312 | CALL iom_close( inum3 ) |
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| 313 | CALL iom_close( inum4 ) |
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| 314 | END SELECT |
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| 315 | ! |
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[2053] | 316 | END SUBROUTINE dom_rea |
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| 317 | |
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| 318 | |
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[2464] | 319 | SUBROUTINE zgr_bot_level |
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| 320 | !!---------------------------------------------------------------------- |
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| 321 | !! *** ROUTINE zgr_bot_level *** |
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| 322 | !! |
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| 323 | !! ** Purpose : defines the vertical index of ocean bottom (mbk. arrays) |
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| 324 | !! |
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| 325 | !! ** Method : computes from mbathy with a minimum value of 1 over land |
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| 326 | !! |
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| 327 | !! ** Action : - update mbathy: level bathymetry (in level index) |
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| 328 | !!---------------------------------------------------------------------- |
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| 329 | INTEGER :: ji, jj ! dummy loop indices |
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| 330 | REAL(wp), DIMENSION(jpi,jpj) :: zmbk ! 2D workspace |
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| 331 | !!---------------------------------------------------------------------- |
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| 332 | ! |
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| 333 | IF(lwp) WRITE(numout,*) |
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| 334 | IF(lwp) WRITE(numout,*) ' zgr_bot_level : ocean bottom k-index of T-, U-, V- and W-levels ' |
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| 335 | IF(lwp) WRITE(numout,*) ' ~~~~~~~~~~~~~' |
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| 336 | ! |
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| 337 | mbkt(:,:) = MAX( mbathy(:,:) , 1 ) ! bottom k-index of T-level (=1 over land) |
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| 338 | ! |
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| 339 | DO jj = 1, jpjm1 ! bottom k-index of u- (v-) level |
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| 340 | DO ji = 1, jpim1 |
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| 341 | mbku(ji,jj) = MIN( mbkt(ji+1,jj ) , mbkt(ji,jj) ) |
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| 342 | mbkv(ji,jj) = MIN( mbkt(ji ,jj+1) , mbkt(ji,jj) ) |
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| 343 | END DO |
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| 344 | END DO |
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| 345 | ! converte into REAL to use lbc_lnk ; impose a min value of 1 as a zero can be set in lbclnk |
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| 346 | zmbk(:,:) = REAL( mbku(:,:), wp ) ; CALL lbc_lnk(zmbk,'U',1.) ; mbku (:,:) = MAX( INT( zmbk(:,:) ), 1 ) |
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| 347 | zmbk(:,:) = REAL( mbkv(:,:), wp ) ; CALL lbc_lnk(zmbk,'V',1.) ; mbkv (:,:) = MAX( INT( zmbk(:,:) ), 1 ) |
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| 348 | ! |
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| 349 | END SUBROUTINE zgr_bot_level |
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| 350 | |
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[2053] | 351 | !!====================================================================== |
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| 352 | END MODULE domrea |
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