[6951] | 1 | MODULE iscplrst |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE iscplrst*** |
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| 4 | !! Ocean forcing: update the restart file in case of ice sheet/ocean coupling |
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| 5 | !!===================================================================== |
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| 6 | !! History : NEMO ! 2015-01 P. Mathiot: original |
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| 7 | !!---------------------------------------------------------------------- |
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| 8 | |
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| 9 | !!---------------------------------------------------------------------- |
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| 10 | !! iscpl_stp : step management |
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| 11 | !! iscpl_rst_interpol : restart interpolation in case of coupling with ice sheet |
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| 12 | !!---------------------------------------------------------------------- |
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| 13 | USE dom_oce ! ocean space and time domain |
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| 14 | USE domwri ! ocean space and time domain |
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| 15 | USE domvvl, ONLY : dom_vvl_interpol |
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| 16 | USE phycst ! physical constants |
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| 17 | USE sbc_oce ! surface boundary condition variables |
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| 18 | USE oce ! global tra/dyn variable |
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| 19 | USE in_out_manager ! I/O manager |
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| 20 | USE iom ! I/O module |
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| 21 | USE lib_mpp ! MPP library |
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| 22 | USE lib_fortran ! MPP library |
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| 23 | USE wrk_nemo ! Memory allocation |
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| 24 | USE lbclnk ! communication |
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| 25 | USE iscplini ! ice sheet coupling: initialisation |
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| 26 | USE iscplhsb ! ice sheet coupling: conservation |
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| 27 | |
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| 28 | IMPLICIT NONE |
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| 29 | PRIVATE |
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| 30 | |
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| 31 | PUBLIC iscpl_stp ! step management |
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| 32 | !! |
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| 33 | !! * Substitutions |
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| 34 | !!---------------------------------------------------------------------- |
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| 35 | !! *** vectopt_loop_substitute *** |
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| 36 | !!---------------------------------------------------------------------- |
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| 37 | !! ** purpose : substitute the inner loop start/end indices with CPP macro |
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| 38 | !! allow unrolling of do-loop (useful with vector processors) |
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| 39 | !!---------------------------------------------------------------------- |
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| 40 | !!---------------------------------------------------------------------- |
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| 41 | !! NEMO/OPA 3.7 , NEMO Consortium (2014) |
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[9235] | 42 | !! $Id$ |
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[6951] | 43 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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| 44 | !!---------------------------------------------------------------------- |
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| 45 | !!---------------------------------------------------------------------- |
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| 46 | !! NEMO/OPA 3.3 , NEMO Consortium (2010) |
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[9235] | 47 | !! $Id$ |
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[6951] | 48 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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| 49 | !!---------------------------------------------------------------------- |
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| 50 | CONTAINS |
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| 51 | |
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| 52 | SUBROUTINE iscpl_stp |
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| 53 | !!---------------------------------------------------------------------- |
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| 54 | !! *** ROUTINE iscpl_stp *** |
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| 55 | !! |
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| 56 | !! ** Purpose : compute initialisation |
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| 57 | !! compute extrapolation of restart variable un, vn, tsn, sshn (wetting/drying) |
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| 58 | !! compute correction term if needed |
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| 59 | !! |
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| 60 | !!---------------------------------------------------------------------- |
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| 61 | INTEGER :: inum0 |
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| 62 | REAL(wp), DIMENSION(:,: ), POINTER :: zsmask_b |
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| 63 | REAL(wp), DIMENSION(:,:,:), POINTER :: ztmask_b, zumask_b, zvmask_b |
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| 64 | REAL(wp), DIMENSION(:,:,:), POINTER :: ze3t_b , ze3u_b , ze3v_b |
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| 65 | REAL(wp), DIMENSION(:,:,:), POINTER :: zdepw_b |
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| 66 | CHARACTER(20) :: cfile |
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| 67 | !!---------------------------------------------------------------------- |
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| 68 | |
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| 69 | CALL wrk_alloc(jpi,jpj,jpk, ztmask_b, zumask_b, zvmask_b) ! mask before |
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| 70 | CALL wrk_alloc(jpi,jpj,jpk, ze3t_b , ze3u_b , ze3v_b ) ! e3 before |
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| 71 | CALL wrk_alloc(jpi,jpj,jpk, zdepw_b ) |
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| 72 | CALL wrk_alloc(jpi,jpj, zsmask_b ) |
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| 73 | |
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| 74 | |
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| 75 | !! get restart variable |
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| 76 | CALL iom_get( numror, jpdom_autoglo, 'tmask' , ztmask_b ) ! need to extrapolate T/S |
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| 77 | CALL iom_get( numror, jpdom_autoglo, 'umask' , zumask_b ) ! need to correct barotropic velocity |
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| 78 | CALL iom_get( numror, jpdom_autoglo, 'vmask' , zvmask_b ) ! need to correct barotropic velocity |
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| 79 | CALL iom_get( numror, jpdom_autoglo, 'smask' , zsmask_b ) ! need to correct barotropic velocity |
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| 80 | CALL iom_get( numror, jpdom_autoglo, 'e3t_n' , ze3t_b(:,:,:) ) ! need to compute temperature correction |
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| 81 | CALL iom_get( numror, jpdom_autoglo, 'e3u_n' , ze3u_b(:,:,:) ) ! need to correct barotropic velocity |
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| 82 | CALL iom_get( numror, jpdom_autoglo, 'e3v_n' , ze3v_b(:,:,:) ) ! need to correct barotropic velocity |
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| 83 | CALL iom_get( numror, jpdom_autoglo, 'gdepw_n', zdepw_b(:,:,:) ) ! need to interpol vertical profile (vvl) |
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| 84 | |
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| 85 | !! read namelist |
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| 86 | CALL iscpl_init() |
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| 87 | |
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| 88 | !! ! Extrapolation/interpolation of modify cell and new cells ... (maybe do it later after domvvl) |
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| 89 | CALL iscpl_rst_interpol( ztmask_b, zumask_b, zvmask_b, zsmask_b, ze3t_b, ze3u_b, ze3v_b, zdepw_b ) |
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| 90 | |
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| 91 | !! compute correction if conservation needed |
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| 92 | IF ( ln_hsb ) THEN |
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| 93 | IF( iscpl_alloc() /= 0 ) CALL ctl_stop( 'STOP', 'rst_iscpl : unable to allocate rst_iscpl arrays' ) |
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| 94 | CALL iscpl_cons(ztmask_b, zsmask_b, ze3t_b, htsc_iscpl, hdiv_iscpl, rdt_iscpl) |
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| 95 | END IF |
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| 96 | |
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| 97 | !! print mesh/mask |
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| 98 | IF( nmsh /= 0 .AND. ln_iscpl ) CALL dom_wri ! Create a domain file |
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| 99 | |
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| 100 | IF ( ln_hsb ) THEN |
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| 101 | cfile='correction' |
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| 102 | cfile = TRIM( cfile ) |
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| 103 | CALL iom_open ( cfile, inum0, ldwrt = .TRUE., kiolib = jprstlib ) |
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| 104 | CALL iom_rstput( 0, 0, inum0, 'vol_cor', hdiv_iscpl(:,:,:) ) |
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| 105 | CALL iom_rstput( 0, 0, inum0, 'tem_cor', htsc_iscpl(:,:,:,jp_tem) ) |
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| 106 | CALL iom_rstput( 0, 0, inum0, 'sal_cor', htsc_iscpl(:,:,:,jp_sal) ) |
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| 107 | CALL iom_close ( inum0 ) |
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| 108 | END IF |
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| 109 | |
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| 110 | CALL wrk_dealloc(jpi,jpj,jpk, ztmask_b,zumask_b,zvmask_b ) |
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| 111 | CALL wrk_dealloc(jpi,jpj,jpk, ze3t_b ,ze3u_b ,ze3v_b ) |
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| 112 | CALL wrk_dealloc(jpi,jpj,jpk, zdepw_b ) |
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| 113 | CALL wrk_dealloc(jpi,jpj, zsmask_b ) |
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| 114 | |
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| 115 | !! next step is an euler time step |
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| 116 | neuler = 0 |
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| 117 | |
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| 118 | !! set _b and _n variables equal |
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| 119 | tsb (:,:,:,:) = tsn (:,:,:,:) |
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| 120 | ub (:,:,: ) = un (:,:,: ) |
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| 121 | vb (:,:,: ) = vn (:,:,: ) |
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| 122 | sshb(:,: ) = sshn(:,:) |
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| 123 | |
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| 124 | !! set _b and _n vertical scale factor equal |
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| 125 | e3t_b (:,:,:) = e3t_n (:,:,:) |
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| 126 | e3u_b (:,:,:) = e3u_n (:,:,:) |
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| 127 | e3v_b (:,:,:) = e3v_n (:,:,:) |
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| 128 | |
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| 129 | e3uw_b(:,:,:) = e3uw_n(:,:,:) |
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| 130 | e3vw_b(:,:,:) = e3vw_n(:,:,:) |
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| 131 | gdept_b(:,:,:) = gdept_n(:,:,:) |
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| 132 | gdepw_b(:,:,:) = gdepw_n(:,:,:) |
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| 133 | hu_b (:,:) = hu_n(:,:) |
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| 134 | hv_b (:,:) = hv_n(:,:) |
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| 135 | r1_hu_b(:,:) = r1_hu_n(:,:) |
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| 136 | r1_hv_b(:,:) = r1_hv_n(:,:) |
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| 137 | ! |
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| 138 | END SUBROUTINE iscpl_stp |
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| 139 | |
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| 140 | SUBROUTINE iscpl_rst_interpol (ptmask_b, pumask_b, pvmask_b, psmask_b, pe3t_b, pe3u_b, pe3v_b, pdepw_b) |
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| 141 | !!---------------------------------------------------------------------- |
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| 142 | !! *** ROUTINE iscpl_rst_interpol *** |
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| 143 | !! |
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| 144 | !! ** Purpose : compute new tn, sn, un, vn and sshn in case of evolving geometry of ice shelves |
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| 145 | !! compute 2d fields of heat, salt and volume correction |
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| 146 | !! |
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| 147 | !! ** Method : tn, sn : extrapolation from neigbourg cells |
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| 148 | !! un, vn : fill with 0 velocity and keep barotropic transport by modifing surface velocity or adjacent velocity |
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| 149 | !!---------------------------------------------------------------------- |
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| 150 | REAL(wp), DIMENSION(:,:,: ), INTENT(in ) :: ptmask_b, pumask_b, pvmask_b !! mask before |
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| 151 | REAL(wp), DIMENSION(:,:,: ), INTENT(in ) :: pe3t_b , pe3u_b , pe3v_b !! scale factor before |
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| 152 | REAL(wp), DIMENSION(:,:,: ), INTENT(in ) :: pdepw_b !! depth w before |
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| 153 | REAL(wp), DIMENSION(:,: ), INTENT(in ) :: psmask_b !! mask before |
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| 154 | !! |
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| 155 | INTEGER :: ji, jj, jk, iz !! loop index |
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| 156 | INTEGER :: jip1, jim1, jjp1, jjm1, jkp1, jkm1 |
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| 157 | !! |
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| 158 | REAL(wp):: summsk, zsum, zsum1, zarea, zsumn, zsumb |
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| 159 | REAL(wp):: zdz, zdzm1, zdzp1 |
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| 160 | !! |
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| 161 | REAL(wp), DIMENSION(:,: ), POINTER :: zdmask , zdsmask, zvcorr, zucorr, zde3t |
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| 162 | REAL(wp), DIMENSION(:,: ), POINTER :: zbub , zbvb , zbun , zbvn |
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| 163 | REAL(wp), DIMENSION(:,: ), POINTER :: zssh0 , zssh1, zhu1, zhv1 |
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| 164 | REAL(wp), DIMENSION(:,: ), POINTER :: zsmask0, zsmask1 |
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| 165 | REAL(wp), DIMENSION(:,:,: ), POINTER :: ztmask0, ztmask1, ztrp |
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| 166 | REAL(wp), DIMENSION(:,:,: ), POINTER :: zwmaskn, zwmaskb, ztmp3d |
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| 167 | REAL(wp), DIMENSION(:,:,:,:), POINTER :: zts0 |
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| 168 | !!---------------------------------------------------------------------- |
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| 169 | |
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| 170 | !! allocate variables |
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| 171 | CALL wrk_alloc(jpi,jpj,jpk,2, zts0 ) |
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| 172 | CALL wrk_alloc(jpi,jpj,jpk, ztmask0, ztmask1 , ztrp, ztmp3d ) |
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| 173 | CALL wrk_alloc(jpi,jpj,jpk, zwmaskn, zwmaskb ) |
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| 174 | CALL wrk_alloc(jpi,jpj, zsmask0, zsmask1 ) |
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| 175 | CALL wrk_alloc(jpi,jpj, zdmask , zdsmask, zvcorr, zucorr, zde3t) |
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| 176 | CALL wrk_alloc(jpi,jpj, zbub , zbvb , zbun , zbvn ) |
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| 177 | CALL wrk_alloc(jpi,jpj, zssh0 , zssh1, zhu1, zhv1 ) |
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| 178 | |
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| 179 | !! mask value to be sure |
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| 180 | tsn(:,:,:,jp_tem) = tsn(:,:,:,jp_tem) * ptmask_b(:,:,:) |
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| 181 | tsn(:,:,:,jp_sal) = tsn(:,:,:,jp_sal) * ptmask_b(:,:,:) |
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| 182 | |
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| 183 | ! compute wmask |
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| 184 | zwmaskn(:,:,1) = tmask (:,:,1) |
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| 185 | zwmaskb(:,:,1) = ptmask_b(:,:,1) |
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| 186 | DO jk = 2,jpk |
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| 187 | zwmaskn(:,:,jk) = tmask (:,:,jk) * tmask (:,:,jk-1) |
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| 188 | zwmaskb(:,:,jk) = ptmask_b(:,:,jk) * ptmask_b(:,:,jk-1) |
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| 189 | END DO |
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| 190 | |
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| 191 | ! compute new ssh if we open a full water column (average of the closest neigbourgs) |
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| 192 | sshb (:,:)=sshn(:,:) |
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| 193 | zssh0(:,:)=sshn(:,:) |
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| 194 | zsmask0(:,:) = psmask_b(:,:) |
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| 195 | zsmask1(:,:) = psmask_b(:,:) |
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| 196 | DO iz = 1,10 ! need to be tuned (configuration dependent) (OK for ISOMIP+) |
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| 197 | zdsmask(:,:) = ssmask(:,:)-zsmask0(:,:) |
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| 198 | DO jj = 2,jpj-1 |
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| 199 | DO ji = 2, jpim1 ! vector opt. |
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| 200 | jip1=ji+1; jim1=ji-1; |
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| 201 | jjp1=jj+1; jjm1=jj-1; |
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| 202 | summsk=(zsmask0(jip1,jj)+zsmask0(jim1,jj)+zsmask0(ji,jjp1)+zsmask0(ji,jjm1)) |
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| 203 | IF (zdsmask(ji,jj) == 1._wp .AND. summsk /= 0._wp) THEN |
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| 204 | sshn(ji,jj)=( zssh0(jip1,jj)*zsmask0(jip1,jj) & |
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| 205 | & + zssh0(jim1,jj)*zsmask0(jim1,jj) & |
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| 206 | & + zssh0(ji,jjp1)*zsmask0(ji,jjp1) & |
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| 207 | & + zssh0(ji,jjm1)*zsmask0(ji,jjm1))/summsk |
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| 208 | zsmask1(ji,jj)=1._wp |
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| 209 | END IF |
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| 210 | END DO |
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| 211 | END DO |
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| 212 | CALL lbc_lnk(sshn,'T',1._wp) |
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| 213 | CALL lbc_lnk(zsmask1,'T',1._wp) |
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| 214 | zssh0 = sshn |
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| 215 | zsmask0 = zsmask1 |
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| 216 | END DO |
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| 217 | sshn(:,:) = sshn(:,:) * ssmask(:,:) |
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| 218 | |
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| 219 | !============================================================================= |
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| 220 | !PM: Is this needed since introduction of VVL by default? |
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| 221 | IF (.NOT.ln_linssh) THEN |
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| 222 | ! Reconstruction of all vertical scale factors at now time steps |
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| 223 | ! ============================================================================= |
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| 224 | ! Horizontal scale factor interpolations |
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| 225 | ! -------------------------------------- |
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| 226 | DO jk = 1,jpk |
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| 227 | DO jj=1,jpj |
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| 228 | DO ji=1,jpi |
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| 229 | IF (tmask(ji,jj,1) == 0._wp .OR. ptmask_b(ji,jj,1) == 0._wp) THEN |
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| 230 | e3t_n(ji,jj,jk) = e3t_0(ji,jj,jk) * ( 1._wp + sshn(ji,jj) / ( ht_0(ji,jj) + 1._wp - ssmask(ji,jj) ) * tmask(ji,jj,jk) ) |
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| 231 | ENDIF |
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| 232 | END DO |
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| 233 | END DO |
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| 234 | END DO |
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| 235 | |
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| 236 | CALL dom_vvl_interpol( e3t_n(:,:,:), e3u_n(:,:,:), 'U' ) |
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| 237 | CALL dom_vvl_interpol( e3t_n(:,:,:), e3v_n(:,:,:), 'V' ) |
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| 238 | CALL dom_vvl_interpol( e3u_n(:,:,:), e3f_n(:,:,:), 'F' ) |
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| 239 | |
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| 240 | ! Vertical scale factor interpolations |
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| 241 | ! ------------------------------------ |
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| 242 | CALL dom_vvl_interpol( e3t_n(:,:,:), e3w_n (:,:,:), 'W' ) |
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| 243 | CALL dom_vvl_interpol( e3u_n(:,:,:), e3uw_n(:,:,:), 'UW' ) |
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| 244 | CALL dom_vvl_interpol( e3v_n(:,:,:), e3vw_n(:,:,:), 'VW' ) |
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| 245 | |
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| 246 | ! t- and w- points depth |
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| 247 | ! ---------------------- |
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| 248 | gdept_n(:,:,1) = 0.5_wp * e3w_n(:,:,1) |
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| 249 | gdepw_n(:,:,1) = 0.0_wp |
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| 250 | gde3w_n(:,:,1) = gdept_n(:,:,1) - sshn(:,:) |
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| 251 | DO jj = 1,jpj |
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| 252 | DO ji = 1,jpi |
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| 253 | DO jk = 2,mikt(ji,jj)-1 |
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| 254 | gdept_n(ji,jj,jk) = gdept_0(ji,jj,jk) |
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| 255 | gdepw_n(ji,jj,jk) = gdepw_0(ji,jj,jk) |
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| 256 | gde3w_n(ji,jj,jk) = gdept_0(ji,jj,jk) - sshn(ji,jj) |
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| 257 | END DO |
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| 258 | IF (mikt(ji,jj) > 1) THEN |
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| 259 | jk = mikt(ji,jj) |
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| 260 | gdept_n(ji,jj,jk) = gdepw_0(ji,jj,jk) + 0.5_wp * e3w_n(ji,jj,jk) |
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| 261 | gdepw_n(ji,jj,jk) = gdepw_0(ji,jj,jk) |
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| 262 | gde3w_n(ji,jj,jk) = gdept_n(ji,jj,jk ) - sshn (ji,jj) |
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| 263 | END IF |
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| 264 | DO jk = mikt(ji,jj)+1, jpk |
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| 265 | gdept_n(ji,jj,jk) = gdept_n(ji,jj,jk-1) + e3w_n(ji,jj,jk) |
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| 266 | gdepw_n(ji,jj,jk) = gdepw_n(ji,jj,jk-1) + e3t_n(ji,jj,jk-1) |
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| 267 | gde3w_n(ji,jj,jk) = gdept_n(ji,jj,jk ) - sshn (ji,jj) |
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| 268 | END DO |
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| 269 | END DO |
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| 270 | END DO |
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| 271 | |
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| 272 | ! t-, u- and v- water column thickness |
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| 273 | ! ------------------------------------ |
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| 274 | ht_n(:,:) = 0._wp ; hu_n(:,:) = 0._wp ; hv_n(:,:) = 0._wp |
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| 275 | DO jk = 1, jpkm1 |
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| 276 | hu_n(:,:) = hu_n(:,:) + e3u_n(:,:,jk) * umask(:,:,jk) |
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| 277 | hv_n(:,:) = hv_n(:,:) + e3v_n(:,:,jk) * vmask(:,:,jk) |
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| 278 | ht_n(:,:) = ht_n(:,:) + e3t_n(:,:,jk) * tmask(:,:,jk) |
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| 279 | END DO |
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| 280 | ! ! Inverse of the local depth |
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| 281 | r1_hu_n(:,:) = 1._wp / ( hu_n(:,:) + 1._wp - ssumask(:,:) ) * ssumask(:,:) |
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| 282 | r1_hv_n(:,:) = 1._wp / ( hv_n(:,:) + 1._wp - ssvmask(:,:) ) * ssvmask(:,:) |
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| 283 | |
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| 284 | END IF |
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| 285 | |
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| 286 | !============================================================================= |
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| 287 | ! compute velocity |
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| 288 | ! compute velocity in order to conserve barotropic velocity (modification by poderation of the scale factor). |
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| 289 | ub(:,:,:)=un(:,:,:) |
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| 290 | vb(:,:,:)=vn(:,:,:) |
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| 291 | DO jk = 1,jpk |
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| 292 | DO jj = 1,jpj |
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| 293 | DO ji = 1,jpi |
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| 294 | un(ji,jj,jk) = ub(ji,jj,jk)*pe3u_b(ji,jj,jk)*pumask_b(ji,jj,jk)/e3u_n(ji,jj,jk)*umask(ji,jj,jk); |
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| 295 | vn(ji,jj,jk) = vb(ji,jj,jk)*pe3v_b(ji,jj,jk)*pvmask_b(ji,jj,jk)/e3v_n(ji,jj,jk)*vmask(ji,jj,jk); |
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| 296 | END DO |
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| 297 | END DO |
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| 298 | END DO |
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| 299 | |
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| 300 | ! compute new velocity if we close a cell (check barotropic velocity and change velocity over the water column) |
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| 301 | ! compute barotropic velocity now and after |
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| 302 | ztrp(:,:,:) = ub(:,:,:)*pe3u_b(:,:,:); |
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| 303 | zbub(:,:) = SUM(ztrp,DIM=3) |
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| 304 | ztrp(:,:,:) = vb(:,:,:)*pe3v_b(:,:,:); |
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| 305 | zbvb(:,:) = SUM(ztrp,DIM=3) |
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| 306 | ztrp(:,:,:) = un(:,:,:)*e3u_n(:,:,:); |
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| 307 | zbun(:,:) = SUM(ztrp,DIM=3) |
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| 308 | ztrp(:,:,:) = vn(:,:,:)*e3v_n(:,:,:); |
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| 309 | zbvn(:,:) = SUM(ztrp,DIM=3) |
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| 310 | |
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| 311 | ! new water column |
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| 312 | zhu1=0.0_wp ; |
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| 313 | zhv1=0.0_wp ; |
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| 314 | DO jk = 1,jpk |
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| 315 | zhu1(:,:) = zhu1(:,:) + e3u_n(:,:,jk) * umask(:,:,jk) |
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| 316 | zhv1(:,:) = zhv1(:,:) + e3v_n(:,:,jk) * vmask(:,:,jk) |
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| 317 | END DO |
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| 318 | |
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| 319 | ! compute correction |
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| 320 | zucorr = 0._wp |
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| 321 | zvcorr = 0._wp |
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| 322 | DO jj = 1,jpj |
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| 323 | DO ji = 1,jpi |
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| 324 | IF (zbun(ji,jj) /= zbub(ji,jj) .AND. zhu1(ji,jj) /= 0._wp ) THEN |
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| 325 | zucorr(ji,jj) = (zbun(ji,jj) - zbub(ji,jj))/zhu1(ji,jj) |
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| 326 | END IF |
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| 327 | IF (zbvn(ji,jj) /= zbvb(ji,jj) .AND. zhv1(ji,jj) /= 0._wp ) THEN |
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| 328 | zvcorr(ji,jj) = (zbvn(ji,jj) - zbvb(ji,jj))/zhv1(ji,jj) |
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| 329 | END IF |
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| 330 | END DO |
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| 331 | END DO |
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| 332 | |
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| 333 | ! update velocity |
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| 334 | DO jk = 1,jpk |
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| 335 | un(:,:,jk)=(un(:,:,jk) - zucorr(:,:))*umask(:,:,jk) |
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| 336 | vn(:,:,jk)=(vn(:,:,jk) - zvcorr(:,:))*vmask(:,:,jk) |
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| 337 | END DO |
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| 338 | |
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| 339 | !============================================================================= |
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| 340 | ! compute temp and salt |
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| 341 | ! compute new tn and sn if we open a new cell |
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| 342 | tsb (:,:,:,:) = tsn(:,:,:,:) |
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| 343 | zts0(:,:,:,:) = tsn(:,:,:,:) |
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| 344 | ztmask1(:,:,:) = ptmask_b(:,:,:) |
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| 345 | ztmask0(:,:,:) = ptmask_b(:,:,:) |
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| 346 | DO iz = 1,nn_drown ! resolution dependent (OK for ISOMIP+ case) |
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| 347 | DO jk = 1,jpk-1 |
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| 348 | zdmask=tmask(:,:,jk)-ztmask0(:,:,jk); |
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| 349 | DO jj = 2,jpj-1 |
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| 350 | DO ji = 2,jpim1 |
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| 351 | jip1=ji+1; jim1=ji-1; |
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| 352 | jjp1=jj+1; jjm1=jj-1; |
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| 353 | summsk= (ztmask0(jip1,jj ,jk)+ztmask0(jim1,jj ,jk)+ztmask0(ji ,jjp1,jk)+ztmask0(ji ,jjm1,jk)) |
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| 354 | IF (zdmask(ji,jj) == 1._wp .AND. summsk /= 0._wp) THEN |
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| 355 | !! horizontal basic extrapolation |
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| 356 | tsn(ji,jj,jk,1)=( zts0(jip1,jj ,jk,1)*ztmask0(jip1,jj ,jk) & |
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| 357 | & +zts0(jim1,jj ,jk,1)*ztmask0(jim1,jj ,jk) & |
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| 358 | & +zts0(ji ,jjp1,jk,1)*ztmask0(ji ,jjp1,jk) & |
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| 359 | & +zts0(ji ,jjm1,jk,1)*ztmask0(ji ,jjm1,jk) ) / summsk |
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| 360 | tsn(ji,jj,jk,2)=( zts0(jip1,jj ,jk,2)*ztmask0(jip1,jj ,jk) & |
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| 361 | & +zts0(jim1,jj ,jk,2)*ztmask0(jim1,jj ,jk) & |
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| 362 | & +zts0(ji ,jjp1,jk,2)*ztmask0(ji ,jjp1,jk) & |
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| 363 | & +zts0(ji ,jjm1,jk,2)*ztmask0(ji ,jjm1,jk) ) / summsk |
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| 364 | ztmask1(ji,jj,jk)=1 |
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| 365 | ELSEIF (zdmask(ji,jj) == 1._wp .AND. summsk == 0._wp) THEN |
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| 366 | !! vertical extrapolation if horizontal extrapolation failed |
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| 367 | jkm1=max(1,jk-1) ; jkp1=min(jpk,jk+1) |
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| 368 | summsk=(ztmask0(ji,jj,jkm1)+ztmask0(ji,jj,jkp1)) |
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| 369 | IF (zdmask(ji,jj) == 1._wp .AND. summsk /= 0._wp ) THEN |
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| 370 | tsn(ji,jj,jk,1)=( zts0(ji,jj,jkp1,1)*ztmask0(ji,jj,jkp1) & |
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| 371 | & +zts0(ji,jj,jkm1,1)*ztmask0(ji,jj,jkm1))/summsk |
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| 372 | tsn(ji,jj,jk,2)=( zts0(ji,jj,jkp1,2)*ztmask0(ji,jj,jkp1) & |
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| 373 | & +zts0(ji,jj,jkm1,2)*ztmask0(ji,jj,jkm1))/summsk |
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| 374 | ztmask1(ji,jj,jk)=1._wp |
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| 375 | END IF |
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| 376 | END IF |
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| 377 | END DO |
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| 378 | END DO |
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| 379 | END DO |
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| 380 | |
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| 381 | CALL lbc_lnk(tsn(:,:,:,1),'T',1._wp) |
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| 382 | CALL lbc_lnk(tsn(:,:,:,2),'T',1._wp) |
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| 383 | CALL lbc_lnk(ztmask1, 'T',1._wp) |
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| 384 | |
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| 385 | ! update |
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| 386 | zts0(:,:,:,:) = tsn(:,:,:,:) |
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| 387 | ztmask0 = ztmask1 |
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| 388 | |
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| 389 | END DO |
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| 390 | |
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| 391 | ! mask new tsn field |
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| 392 | tsn(:,:,:,jp_tem) = tsn(:,:,:,jp_tem) * tmask(:,:,:) |
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| 393 | tsn(:,:,:,jp_sal) = tsn(:,:,:,jp_sal) * tmask(:,:,:) |
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| 394 | |
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| 395 | ! compute new T/S (interpolation) if vvl only for common wet cell in before and after wmask |
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| 396 | !PM: Is this IF needed since change to VVL by default |
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| 397 | IF (.NOT.ln_linssh) THEN |
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| 398 | DO jk = 2,jpk-1 |
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| 399 | DO jj = 1,jpj |
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| 400 | DO ji = 1,jpi |
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| 401 | IF (zwmaskn(ji,jj,jk) * zwmaskb(ji,jj,jk) == 1._wp .AND. (tmask(ji,jj,1)==0._wp .OR. ptmask_b(ji,jj,1)==0._wp) ) THEN |
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| 402 | !compute weight |
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| 403 | zdzp1 = MAX(0._wp,gdepw_n(ji,jj,jk+1) - pdepw_b(ji,jj,jk+1)) |
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| 404 | zdz = gdepw_n(ji,jj,jk+1) - pdepw_b(ji,jj,jk ) |
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| 405 | zdzm1 = MAX(0._wp,pdepw_b(ji,jj,jk ) - gdepw_n(ji,jj,jk )) |
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| 406 | IF (zdz .LT. 0._wp) THEN |
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| 407 | CALL ctl_stop( 'STOP', 'rst_iscpl : unable to compute the interpolation' ) |
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| 408 | END IF |
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| 409 | tsn(ji,jj,jk,jp_tem) = ( zdzp1*tsb(ji,jj,jk+1,jp_tem) & |
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| 410 | & + zdz *tsb(ji,jj,jk ,jp_tem) & |
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| 411 | & + zdzm1*tsb(ji,jj,jk-1,jp_tem) )/e3t_n(ji,jj,jk) |
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| 412 | tsn(ji,jj,jk,jp_sal) = ( zdzp1*tsb(ji,jj,jk+1,jp_sal) & |
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| 413 | & + zdz *tsb(ji,jj,jk ,jp_sal) & |
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| 414 | & + zdzm1*tsb(ji,jj,jk-1,jp_sal) )/e3t_n(ji,jj,jk) |
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| 415 | END IF |
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| 416 | END DO |
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| 417 | END DO |
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| 418 | END DO |
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| 419 | END IF |
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| 420 | |
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| 421 | ! closed pool |
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| 422 | ! ----------------------------------------------------------------------------------------- |
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| 423 | ! case we open a cell but no neigbour cells available to get an estimate of T and S |
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| 424 | WHERE (tmask(:,:,:) == 1._wp .AND. tsn(:,:,:,2) == 0._wp) |
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| 425 | tsn(:,:,:,2) = -99._wp ! Special value for closed pool (checking purpose in output.init) |
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| 426 | tmask(:,:,:) = 0._wp ! set mask to 0 to run |
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| 427 | umask(:,:,:) = 0._wp |
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| 428 | vmask(:,:,:) = 0._wp |
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| 429 | END WHERE |
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| 430 | |
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| 431 | ! set mbkt and mikt to 1 in thiese location |
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| 432 | WHERE (SUM(tmask,dim=3) == 0) |
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| 433 | mbkt(:,:)=1 ; mbku(:,:)=1 ; mbkv(:,:)=1 |
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| 434 | mikt(:,:)=1 ; miku(:,:)=1 ; mikv(:,:)=1 |
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| 435 | END WHERE |
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| 436 | ! ------------------------------------------------------------------------------------------- |
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| 437 | ! compute new tn and sn if we close cell |
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| 438 | ! nothing to do |
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| 439 | ! |
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| 440 | ! deallocation tmp arrays |
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| 441 | CALL wrk_dealloc(jpi,jpj,jpk,2, zts0 ) |
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| 442 | CALL wrk_dealloc(jpi,jpj,jpk, ztmask0, ztmask1 , ztrp ) |
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| 443 | CALL wrk_dealloc(jpi,jpj,jpk, zwmaskn, zwmaskb , ztmp3d ) |
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| 444 | CALL wrk_dealloc(jpi,jpj, zsmask0, zsmask1 ) |
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| 445 | CALL wrk_dealloc(jpi,jpj, zdmask , zdsmask, zvcorr, zucorr, zde3t) |
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| 446 | CALL wrk_dealloc(jpi,jpj, zbub , zbvb , zbun , zbvn ) |
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| 447 | CALL wrk_dealloc(jpi,jpj, zssh0 , zssh1 , zhu1 , zhv1 ) |
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| 448 | |
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| 449 | END SUBROUTINE iscpl_rst_interpol |
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| 450 | |
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| 451 | END MODULE iscplrst |
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