[5790] | 1 | MODULE iscplrst |
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| 2 | !!====================================================================== |
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[7646] | 3 | !! *** MODULE iscplrst *** |
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[5790] | 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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[5835] | 10 | !! iscpl_stp : step management |
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[5790] | 11 | !! iscpl_rst_interpol : restart interpolation in case of coupling with ice sheet |
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| 12 | !!---------------------------------------------------------------------- |
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[9019] | 13 | USE oce ! global tra/dyn variable |
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[5790] | 14 | USE dom_oce ! ocean space and time domain |
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| 15 | USE domwri ! ocean space and time domain |
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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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[9019] | 18 | USE iscplini ! ice sheet coupling: initialisation |
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| 19 | USE iscplhsb ! ice sheet coupling: conservation |
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| 20 | ! |
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[5790] | 21 | USE in_out_manager ! I/O manager |
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| 22 | USE iom ! I/O module |
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| 23 | USE lib_mpp ! MPP library |
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| 24 | USE lib_fortran ! MPP library |
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[5823] | 25 | USE lbclnk ! communication |
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[5790] | 26 | |
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| 27 | IMPLICIT NONE |
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| 28 | PRIVATE |
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| 29 | |
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[5823] | 30 | PUBLIC iscpl_stp ! step management |
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[5790] | 31 | !! |
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| 32 | !! * Substitutions |
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[5920] | 33 | # include "vectopt_loop_substitute.h90" |
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[5790] | 34 | !!---------------------------------------------------------------------- |
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[9598] | 35 | !! NEMO/OCE 4.0 , NEMO Consortium (2018) |
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[5790] | 36 | !! $Id: sbcrnf.F90 4666 2014-06-11 12:52:23Z mathiot $ |
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[9598] | 37 | !! Software governed by the CeCILL licence (./LICENSE) |
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[5790] | 38 | !!---------------------------------------------------------------------- |
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| 39 | CONTAINS |
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| 40 | |
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| 41 | SUBROUTINE iscpl_stp |
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| 42 | !!---------------------------------------------------------------------- |
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| 43 | !! *** ROUTINE iscpl_stp *** |
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| 44 | !! |
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| 45 | !! ** Purpose : compute initialisation |
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| 46 | !! compute extrapolation of restart variable un, vn, tsn, sshn (wetting/drying) |
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| 47 | !! compute correction term if needed |
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| 48 | !! |
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| 49 | !!---------------------------------------------------------------------- |
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[5945] | 50 | INTEGER :: inum0 |
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[9019] | 51 | REAL(wp), DIMENSION(jpi,jpj) :: zsmask_b |
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| 52 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: ztmask_b, zumask_b, zvmask_b |
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| 53 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: ze3t_b , ze3u_b , ze3v_b |
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| 54 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: zdepw_b |
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[5945] | 55 | CHARACTER(20) :: cfile |
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[5823] | 56 | !!---------------------------------------------------------------------- |
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[9019] | 57 | ! |
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| 58 | ! ! get restart variable |
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[9367] | 59 | CALL iom_get( numror, jpdom_autoglo, 'tmask' , ztmask_b, ldxios = lrxios ) ! need to extrapolate T/S |
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| 60 | CALL iom_get( numror, jpdom_autoglo, 'umask' , zumask_b, ldxios = lrxios ) ! need to correct barotropic velocity |
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| 61 | CALL iom_get( numror, jpdom_autoglo, 'vmask' , zvmask_b, ldxios = lrxios ) ! need to correct barotropic velocity |
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| 62 | CALL iom_get( numror, jpdom_autoglo, 'smask' , zsmask_b, ldxios = lrxios ) ! need to correct barotropic velocity |
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| 63 | CALL iom_get( numror, jpdom_autoglo, 'e3t_n' , ze3t_b(:,:,:), ldxios = lrxios ) ! need to compute temperature correction |
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| 64 | CALL iom_get( numror, jpdom_autoglo, 'e3u_n' , ze3u_b(:,:,:), ldxios = lrxios ) ! need to correct barotropic velocity |
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| 65 | CALL iom_get( numror, jpdom_autoglo, 'e3v_n' , ze3v_b(:,:,:), ldxios = lrxios ) ! need to correct barotropic velocity |
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| 66 | CALL iom_get( numror, jpdom_autoglo, 'gdepw_n', zdepw_b(:,:,:), ldxios = lrxios ) ! need to interpol vertical profile (vvl) |
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[9019] | 67 | ! |
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| 68 | CALL iscpl_init() ! read namelist |
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| 69 | ! ! Extrapolation/interpolation of modify cell and new cells ... (maybe do it later after domvvl) |
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[5790] | 70 | CALL iscpl_rst_interpol( ztmask_b, zumask_b, zvmask_b, zsmask_b, ze3t_b, ze3u_b, ze3v_b, zdepw_b ) |
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[9019] | 71 | ! |
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| 72 | IF ( ln_hsb ) THEN ! compute correction if conservation needed |
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[5790] | 73 | IF( iscpl_alloc() /= 0 ) CALL ctl_stop( 'STOP', 'rst_iscpl : unable to allocate rst_iscpl arrays' ) |
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| 74 | CALL iscpl_cons(ztmask_b, zsmask_b, ze3t_b, htsc_iscpl, hdiv_iscpl, rdt_iscpl) |
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| 75 | END IF |
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| 76 | |
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[9019] | 77 | ! ! create a domain file |
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[9169] | 78 | IF( ln_meshmask .AND. ln_iscpl ) CALL dom_wri |
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[9019] | 79 | ! |
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[5790] | 80 | IF ( ln_hsb ) THEN |
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| 81 | cfile='correction' |
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| 82 | cfile = TRIM( cfile ) |
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| 83 | CALL iom_open ( cfile, inum0, ldwrt = .TRUE., kiolib = jprstlib ) |
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| 84 | CALL iom_rstput( 0, 0, inum0, 'vol_cor', hdiv_iscpl(:,:,:) ) |
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| 85 | CALL iom_rstput( 0, 0, inum0, 'tem_cor', htsc_iscpl(:,:,:,jp_tem) ) |
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| 86 | CALL iom_rstput( 0, 0, inum0, 'sal_cor', htsc_iscpl(:,:,:,jp_sal) ) |
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| 87 | CALL iom_close ( inum0 ) |
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| 88 | END IF |
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[9019] | 89 | ! |
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[9939] | 90 | l_1st_euler = .TRUE. ! next step is an euler time step |
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[9019] | 91 | ! |
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| 92 | ! ! set _b and _n variables equal |
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[5802] | 93 | tsb (:,:,:,:) = tsn (:,:,:,:) |
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[7646] | 94 | ub (:,:,:) = un (:,:,:) |
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| 95 | vb (:,:,:) = vn (:,:,:) |
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| 96 | sshb(:,:) = sshn(:,:) |
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[9019] | 97 | ! |
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| 98 | ! ! set _b and _n vertical scale factor equal |
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[6074] | 99 | e3t_b (:,:,:) = e3t_n (:,:,:) |
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| 100 | e3u_b (:,:,:) = e3u_n (:,:,:) |
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| 101 | e3v_b (:,:,:) = e3v_n (:,:,:) |
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[9019] | 102 | ! |
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[7646] | 103 | e3uw_b (:,:,:) = e3uw_n (:,:,:) |
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| 104 | e3vw_b (:,:,:) = e3vw_n (:,:,:) |
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| 105 | gdept_b(:,:,:) = gdept_n(:,:,:) |
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[6080] | 106 | gdepw_b(:,:,:) = gdepw_n(:,:,:) |
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[7646] | 107 | hu_b (:,:) = hu_n (:,:) |
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| 108 | hv_b (:,:) = hv_n (:,:) |
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| 109 | r1_hu_b(:,:) = r1_hu_n(:,:) |
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| 110 | r1_hv_b(:,:) = r1_hv_n(:,:) |
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[5790] | 111 | ! |
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| 112 | END SUBROUTINE iscpl_stp |
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[7646] | 113 | |
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| 114 | |
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[5790] | 115 | SUBROUTINE iscpl_rst_interpol (ptmask_b, pumask_b, pvmask_b, psmask_b, pe3t_b, pe3u_b, pe3v_b, pdepw_b) |
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| 116 | !!---------------------------------------------------------------------- |
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| 117 | !! *** ROUTINE iscpl_rst_interpol *** |
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| 118 | !! |
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| 119 | !! ** Purpose : compute new tn, sn, un, vn and sshn in case of evolving geometry of ice shelves |
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| 120 | !! compute 2d fields of heat, salt and volume correction |
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| 121 | !! |
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| 122 | !! ** Method : tn, sn : extrapolation from neigbourg cells |
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| 123 | !! un, vn : fill with 0 velocity and keep barotropic transport by modifing surface velocity or adjacent velocity |
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| 124 | !!---------------------------------------------------------------------- |
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| 125 | REAL(wp), DIMENSION(:,:,: ), INTENT(in ) :: ptmask_b, pumask_b, pvmask_b !! mask before |
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| 126 | REAL(wp), DIMENSION(:,:,: ), INTENT(in ) :: pe3t_b , pe3u_b , pe3v_b !! scale factor before |
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[5823] | 127 | REAL(wp), DIMENSION(:,:,: ), INTENT(in ) :: pdepw_b !! depth w before |
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[5790] | 128 | REAL(wp), DIMENSION(:,: ), INTENT(in ) :: psmask_b !! mask before |
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| 129 | !! |
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| 130 | INTEGER :: ji, jj, jk, iz !! loop index |
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| 131 | INTEGER :: jip1, jim1, jjp1, jjm1, jkp1, jkm1 |
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| 132 | !! |
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| 133 | REAL(wp):: summsk, zsum, zsum1, zarea, zsumn, zsumb |
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| 134 | REAL(wp):: zdz, zdzm1, zdzp1 |
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| 135 | !! |
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[9019] | 136 | REAL(wp), DIMENSION(jpi,jpj) :: zdmask , zsmask0, zucorr, zbub, zbun, zssh0, zhu1, zde3t |
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| 137 | REAL(wp), DIMENSION(jpi,jpj) :: zdsmask, zsmask1, zvcorr, zbvb, zbvn, zssh1, zhv1 |
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[10001] | 138 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: ztmask0, zwmaskn |
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[9019] | 139 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: ztmask1, zwmaskb, ztmp3d |
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| 140 | REAL(wp), DIMENSION(jpi,jpj,jpk,jpts) :: zts0 |
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[10001] | 141 | REAL(wp), DIMENSION(jpi,jpj) :: z_ssh_h0, zsshu, zsshv, zsshf |
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[5945] | 142 | !!---------------------------------------------------------------------- |
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[9019] | 143 | ! |
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| 144 | ! ! mask value to be sure |
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[5790] | 145 | tsn(:,:,:,jp_tem) = tsn(:,:,:,jp_tem) * ptmask_b(:,:,:) |
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| 146 | tsn(:,:,:,jp_sal) = tsn(:,:,:,jp_sal) * ptmask_b(:,:,:) |
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[9019] | 147 | ! |
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| 148 | ! ! compute wmask |
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[5790] | 149 | zwmaskn(:,:,1) = tmask (:,:,1) |
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| 150 | zwmaskb(:,:,1) = ptmask_b(:,:,1) |
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| 151 | DO jk = 2,jpk |
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| 152 | zwmaskn(:,:,jk) = tmask (:,:,jk) * tmask (:,:,jk-1) |
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| 153 | zwmaskb(:,:,jk) = ptmask_b(:,:,jk) * ptmask_b(:,:,jk-1) |
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| 154 | END DO |
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[9019] | 155 | ! |
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| 156 | ! ! compute new ssh if we open a full water column (average of the closest neigbourgs) |
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[5790] | 157 | sshb (:,:)=sshn(:,:) |
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| 158 | zssh0(:,:)=sshn(:,:) |
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[5802] | 159 | zsmask0(:,:) = psmask_b(:,:) |
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| 160 | zsmask1(:,:) = psmask_b(:,:) |
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[9019] | 161 | DO iz = 1, 10 ! need to be tuned (configuration dependent) (OK for ISOMIP+) |
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[5790] | 162 | zdsmask(:,:) = ssmask(:,:)-zsmask0(:,:) |
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[5920] | 163 | DO jj = 2,jpj-1 |
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| 164 | DO ji = fs_2, fs_jpim1 ! vector opt. |
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[10001] | 165 | summsk = zsmask0(ji+1,jj)+zsmask0(ji-1,jj)+zsmask0(ji,jj+1)+zsmask0(ji,jj-1) |
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[5945] | 166 | IF (zdsmask(ji,jj) == 1._wp .AND. summsk /= 0._wp) THEN |
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[10001] | 167 | sshn(ji,jj)=( zssh0(ji+1,jj)*zsmask0(ji+1,jj) & |
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| 168 | & + zssh0(ji-1,jj)*zsmask0(ji-1,jj) & |
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| 169 | & + zssh0(ji,jj+1)*zsmask0(ji,jj+1) & |
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| 170 | & + zssh0(ji,jj-1)*zsmask0(ji,jj+1)) / summsk |
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| 171 | zsmask1(ji,jj) = 1._wp |
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[9019] | 172 | ENDIF |
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[5790] | 173 | END DO |
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| 174 | END DO |
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[9090] | 175 | CALL lbc_lnk_multi( sshn, 'T', 1., zsmask1, 'T', 1. ) |
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[5790] | 176 | zssh0 = sshn |
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| 177 | zsmask0 = zsmask1 |
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| 178 | END DO |
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| 179 | sshn(:,:) = sshn(:,:) * ssmask(:,:) |
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| 180 | |
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| 181 | !============================================================================= |
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[6075] | 182 | !PM: Is this needed since introduction of VVL by default? |
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[9019] | 183 | IF ( .NOT.ln_linssh ) THEN |
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[5820] | 184 | ! Reconstruction of all vertical scale factors at now time steps |
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[10001] | 185 | ! ====================================================================== |
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| 186 | |
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| 187 | !!gm Question : bug ???? |
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| 188 | ! at this stage is ht_0, r1_ht0 already computed ???? |
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| 189 | ! I have the feeling that this should be done in a different manner... |
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| 190 | ! that is iscpl_rst_interpol should be call directly in restart !!! |
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| 191 | |
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| 192 | ! in my changes here I assume that ht_0 AND r1_ht_0 have been updated |
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| 193 | ! Note that the former calculation were using ht_0 so if it as not been updated ===>>> BUG |
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| 194 | !!gm |
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| 195 | |
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| 196 | |
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[5820] | 197 | ! Horizontal scale factor interpolations |
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| 198 | ! -------------------------------------- |
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[10001] | 199 | DO jj = 1, jpj |
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| 200 | DO ji = 1, jpi |
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| 201 | IF ( tmask(ji,jj,1) == 0._wp .OR. ptmask_b(ji,jj,1) == 0._wp ) THEN |
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| 202 | DO jk = 1, jpk |
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| 203 | e3t_n(ji,jj,jk) = e3t_0(ji,jj,jk) * ( 1._wp + sshn(ji,jj) * r1_ht_0(ji,jj) * tmask(ji,jj,jk) ) |
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| 204 | END DO |
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| 205 | ENDIF |
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[5820] | 206 | END DO |
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[5790] | 207 | END DO |
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[9019] | 208 | ! |
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[10001] | 209 | !!gm Note that if this routine is called in dom_vvl_init then all the lines below are uselss !!! |
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| 210 | !! they are a duplication of dom_vvl_init lines |
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[5790] | 211 | |
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[10001] | 212 | ! !== now fields ==! |
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| 213 | ! |
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| 214 | ! !* ssh at u- and v-points) |
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| 215 | DO jj = 1, jpjm1 ; DO ji = 1, jpim1 ! start from 1 due to f-point |
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| 216 | zsshu(ji,jj) = 0.5_wp * ( sshn(ji ,jj) + sshn(ji+1,jj ) ) * ssumask(ji,jj) |
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| 217 | zsshv(ji,jj) = 0.5_wp * ( sshn(ji ,jj) + sshn(ji ,jj+1) ) * ssvmask(ji,jj) |
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| 218 | zsshf(ji,jj) = 0.25_wp * ( sshn(ji ,jj) + sshn(ji ,jj+1) & |
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| 219 | & + sshn(ji+1,jj) + sshn(ji+1,jj+1) ) * ssfmask(ji,jj) |
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| 220 | END DO ; END DO |
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| 221 | CALL lbc_lnk_multi( zsshu(:,:),'U', 1._wp , zsshu(:,:),'V', 1._wp , zsshf(:,:),'F', 1._wp ) |
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| 222 | ! |
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| 223 | ! !* hu and hv (and their inverse) |
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| 224 | ht_n (:,:) = ht_0(:,:) + sshn(:,:) |
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| 225 | hu_n (:,:) = hu_0(:,:) + zsshu(:,:) |
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| 226 | hv_n (:,:) = hv_0(:,:) + zsshv(:,:) |
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| 227 | r1_hu_n(:,:) = ssumask(:,:) / ( hu_n(:,:) + 1._wp - ssumask(:,:) ) ! ss mask mask due to ISF |
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| 228 | r1_hv_n(:,:) = ssvmask(:,:) / ( hv_n(:,:) + 1._wp - ssvmask(:,:) ) |
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| 229 | ! |
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| 230 | ! !* e3u, e3uw and e3v, e3vw |
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| 231 | z_ssh_h0(:,:) = sshn (:,:) * r1_ht_0(:,:) ! t-point |
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| 232 | DO jk = 1, jpkm1 |
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| 233 | e3w_n(:,:,jk) = e3w_0(:,:,jk) * ( 1._wp + z_ssh_h0(:,:) * tmask(:,:,jk) ) |
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[5790] | 234 | END DO |
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[10001] | 235 | z_ssh_h0(:,:) = zsshu(:,:) * r1_hu_0(:,:) ! u-point |
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[5790] | 236 | DO jk = 1, jpkm1 |
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[10001] | 237 | e3u_n (:,:,jk) = e3u_0 (:,:,jk) * ( 1._wp + z_ssh_h0(:,:) * umask(:,:,jk) ) |
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| 238 | e3uw_n(:,:,jk) = e3uw_0(:,:,jk) * ( 1._wp + z_ssh_h0(:,:) * wumask(:,:,jk) ) |
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[5790] | 239 | END DO |
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[10001] | 240 | z_ssh_h0(:,:) = zsshv(:,:) * r1_hv_0(:,:) ! v-point |
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| 241 | DO jk = 1, jpkm1 |
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| 242 | e3v_n (:,:,jk) = e3v_0 (:,:,jk) * ( 1._wp + z_ssh_h0(:,:) * vmask(:,:,jk) ) |
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| 243 | e3vw_n(:,:,jk) = e3vw_0(:,:,jk) * ( 1._wp + z_ssh_h0(:,:) * wvmask(:,:,jk) ) |
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| 244 | END DO |
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| 245 | z_ssh_h0(:,:) = zsshf(:,:) * r1_hf_0(:,:) ! f-point |
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| 246 | DO jk = 1, jpkm1 |
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| 247 | e3f_n(:,:,jk) = e3f_0(:,:,jk) * ( 1._wp + z_ssh_h0(:,:) * fmask(:,:,jk) ) |
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| 248 | END DO |
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[5790] | 249 | |
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[10001] | 250 | z_ssh_h0(:,:) = 1._wp + sshn(:,:) * r1_ht_0(:,:) ! t-point |
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| 251 | ! |
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| 252 | IF( ln_isfcav ) THEN ! iceshelf cavities : ssh scaling not applied over the iceshelf thickness |
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| 253 | DO jk = 1, jpkm1 |
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| 254 | gdept_n(:,:,jk) = ( gdept_0(:,:,jk) - risfdep(:,:) ) * z_ssh_h0(:,:) + risfdep(:,:) |
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| 255 | gdepw_n(:,:,jk) = ( gdepw_0(:,:,jk) - risfdep(:,:) ) * z_ssh_h0(:,:) + risfdep(:,:) |
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| 256 | gde3w_n(:,:,jk) = gdept_n(:,:,jk) - sshn(:,:) |
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| 257 | END DO |
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| 258 | ELSE |
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| 259 | DO jk = 1, jpkm1 |
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| 260 | gdept_n(:,:,jk) = gdept_0(:,:,jk) * z_ssh_h0(:,:) |
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| 261 | gdepw_n(:,:,jk) = gdepw_0(:,:,jk) * z_ssh_h0(:,:) |
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| 262 | gde3w_n(:,:,jk) = gdept_n(:,:,jk) - sshn(:,:) |
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| 263 | END DO |
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| 264 | ENDIF |
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| 265 | |
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| 266 | ENDIF |
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[5790] | 267 | |
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| 268 | !============================================================================= |
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| 269 | ! compute velocity |
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| 270 | ! compute velocity in order to conserve barotropic velocity (modification by poderation of the scale factor). |
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[10001] | 271 | ub(:,:,:) = un(:,:,:) |
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| 272 | vb(:,:,:) = vn(:,:,:) |
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| 273 | DO jk = 1, jpk |
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| 274 | DO jj = 1, jpj |
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| 275 | DO ji = 1, jpi |
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[6074] | 276 | 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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| 277 | 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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[5790] | 278 | END DO |
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| 279 | END DO |
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| 280 | END DO |
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[5802] | 281 | |
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[5790] | 282 | ! compute new velocity if we close a cell (check barotropic velocity and change velocity over the water column) |
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| 283 | ! compute barotropic velocity now and after |
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[10001] | 284 | zbub(:,:) = SUM( ub(:,:,:)*pe3u_b(:,:,:) , DIM=3 ) |
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| 285 | zbvb(:,:) = SUM( vb(:,:,:)*pe3v_b(:,:,:) , DIM=3 ) |
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| 286 | zbun(:,:) = SUM( un(:,:,:)* e3u_n(:,:,:) , DIM=3 ) |
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| 287 | zbvn(:,:) = SUM( vn(:,:,:)* e3v_n(:,:,:) , DIM=3 ) |
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[5802] | 288 | |
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[5820] | 289 | ! new water column |
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[5945] | 290 | zhu1=0.0_wp ; |
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| 291 | zhv1=0.0_wp ; |
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[5790] | 292 | DO jk = 1,jpk |
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[6074] | 293 | zhu1(:,:) = zhu1(:,:) + e3u_n(:,:,jk) * umask(:,:,jk) |
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| 294 | zhv1(:,:) = zhv1(:,:) + e3v_n(:,:,jk) * vmask(:,:,jk) |
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[5790] | 295 | END DO |
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[5820] | 296 | |
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| 297 | ! compute correction |
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[5790] | 298 | zucorr = 0._wp |
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| 299 | zvcorr = 0._wp |
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[10001] | 300 | DO jj = 1, jpj |
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| 301 | DO ji = 1, jpi |
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[5945] | 302 | IF (zbun(ji,jj) /= zbub(ji,jj) .AND. zhu1(ji,jj) /= 0._wp ) THEN |
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| 303 | zucorr(ji,jj) = (zbun(ji,jj) - zbub(ji,jj))/zhu1(ji,jj) |
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[5790] | 304 | END IF |
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[5945] | 305 | IF (zbvn(ji,jj) /= zbvb(ji,jj) .AND. zhv1(ji,jj) /= 0._wp ) THEN |
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| 306 | zvcorr(ji,jj) = (zbvn(ji,jj) - zbvb(ji,jj))/zhv1(ji,jj) |
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[5790] | 307 | END IF |
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| 308 | END DO |
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| 309 | END DO |
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[5820] | 310 | |
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| 311 | ! update velocity |
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[10001] | 312 | DO jk = 1, jpk |
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| 313 | un(:,:,jk) = ( un(:,:,jk) - zucorr(:,:) ) * umask(:,:,jk) |
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| 314 | vn(:,:,jk) = ( vn(:,:,jk) - zvcorr(:,:) ) * vmask(:,:,jk) |
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[5790] | 315 | END DO |
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| 316 | |
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| 317 | !============================================================================= |
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| 318 | ! compute temp and salt |
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| 319 | ! compute new tn and sn if we open a new cell |
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[10001] | 320 | tsb (:,:,:,:) = tsn (:,:,:,:) |
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| 321 | zts0 (:,:,:,:) = tsn (:,:,:,:) |
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[5790] | 322 | ztmask1(:,:,:) = ptmask_b(:,:,:) |
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| 323 | ztmask0(:,:,:) = ptmask_b(:,:,:) |
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[5920] | 324 | DO iz = 1,nn_drown ! resolution dependent (OK for ISOMIP+ case) |
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[10001] | 325 | DO jk = 1,jpk-1 |
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| 326 | zdmask=tmask(:,:,jk)-ztmask0(:,:,jk); |
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| 327 | DO jj = 2,jpj-1 |
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| 328 | DO ji = fs_2,fs_jpim1 |
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| 329 | jip1=ji+1; jim1=ji-1; |
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| 330 | jjp1=jj+1; jjm1=jj-1; |
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| 331 | summsk= (ztmask0(jip1,jj ,jk)+ztmask0(jim1,jj ,jk)+ztmask0(ji ,jjp1,jk)+ztmask0(ji ,jjm1,jk)) |
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| 332 | IF (zdmask(ji,jj) == 1._wp .AND. summsk /= 0._wp) THEN |
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| 333 | !! horizontal basic extrapolation |
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| 334 | tsn(ji,jj,jk,1)=( zts0(jip1,jj ,jk,1)*ztmask0(jip1,jj ,jk) & |
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| 335 | & +zts0(jim1,jj ,jk,1)*ztmask0(jim1,jj ,jk) & |
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| 336 | & +zts0(ji ,jjp1,jk,1)*ztmask0(ji ,jjp1,jk) & |
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| 337 | & +zts0(ji ,jjm1,jk,1)*ztmask0(ji ,jjm1,jk) ) / summsk |
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| 338 | tsn(ji,jj,jk,2)=( zts0(jip1,jj ,jk,2)*ztmask0(jip1,jj ,jk) & |
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| 339 | & +zts0(jim1,jj ,jk,2)*ztmask0(jim1,jj ,jk) & |
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| 340 | & +zts0(ji ,jjp1,jk,2)*ztmask0(ji ,jjp1,jk) & |
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| 341 | & +zts0(ji ,jjm1,jk,2)*ztmask0(ji ,jjm1,jk) ) / summsk |
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| 342 | ztmask1(ji,jj,jk)=1 |
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| 343 | ELSEIF (zdmask(ji,jj) == 1._wp .AND. summsk == 0._wp) THEN |
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| 344 | !! vertical extrapolation if horizontal extrapolation failed |
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| 345 | jkm1=max(1,jk-1) ; jkp1=min(jpk,jk+1) |
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| 346 | summsk=(ztmask0(ji,jj,jkm1)+ztmask0(ji,jj,jkp1)) |
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| 347 | IF (zdmask(ji,jj) == 1._wp .AND. summsk /= 0._wp ) THEN |
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| 348 | tsn(ji,jj,jk,1)=( zts0(ji,jj,jkp1,1)*ztmask0(ji,jj,jkp1) & |
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| 349 | & +zts0(ji,jj,jkm1,1)*ztmask0(ji,jj,jkm1)) / summsk |
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| 350 | tsn(ji,jj,jk,2)=( zts0(ji,jj,jkp1,2)*ztmask0(ji,jj,jkp1) & |
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| 351 | & +zts0(ji,jj,jkm1,2)*ztmask0(ji,jj,jkm1)) / summsk |
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| 352 | ztmask1(ji,jj,jk)=1._wp |
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| 353 | ENDIF |
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| 354 | ENDIF |
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| 355 | END DO |
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| 356 | END DO |
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| 357 | END DO |
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| 358 | ! |
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| 359 | CALL lbc_lnk_multi( tsn(:,:,:,jp_tem), 'T', 1., tsn(:,:,:,jp_sal), 'T', 1., ztmask1, 'T', 1.) |
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| 360 | ! |
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| 361 | ! update |
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| 362 | zts0(:,:,:,:) = tsn(:,:,:,:) |
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| 363 | ztmask0 = ztmask1 |
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| 364 | ! |
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[5790] | 365 | END DO |
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[5823] | 366 | |
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| 367 | ! mask new tsn field |
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[5790] | 368 | tsn(:,:,:,jp_tem) = tsn(:,:,:,jp_tem) * tmask(:,:,:) |
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| 369 | tsn(:,:,:,jp_sal) = tsn(:,:,:,jp_sal) * tmask(:,:,:) |
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| 370 | |
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[5802] | 371 | ! compute new T/S (interpolation) if vvl only for common wet cell in before and after wmask |
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[6075] | 372 | !PM: Is this IF needed since change to VVL by default |
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| 373 | IF (.NOT.ln_linssh) THEN |
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[5790] | 374 | DO jk = 2,jpk-1 |
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| 375 | DO jj = 1,jpj |
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| 376 | DO ji = 1,jpi |
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[8329] | 377 | IF (zwmaskn(ji,jj,jk) * zwmaskb(ji,jj,jk) == 1._wp .AND. & |
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| 378 | & (tmask(ji,jj,1)==0._wp .OR. ptmask_b(ji,jj,1)==0._wp) ) THEN |
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[5790] | 379 | !compute weight |
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[6074] | 380 | zdzp1 = MAX(0._wp,gdepw_n(ji,jj,jk+1) - pdepw_b(ji,jj,jk+1)) |
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| 381 | zdz = gdepw_n(ji,jj,jk+1) - pdepw_b(ji,jj,jk ) |
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| 382 | zdzm1 = MAX(0._wp,pdepw_b(ji,jj,jk ) - gdepw_n(ji,jj,jk )) |
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[5823] | 383 | IF (zdz .LT. 0._wp) THEN |
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[5820] | 384 | CALL ctl_stop( 'STOP', 'rst_iscpl : unable to compute the interpolation' ) |
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[5790] | 385 | END IF |
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| 386 | tsn(ji,jj,jk,jp_tem) = ( zdzp1*tsb(ji,jj,jk+1,jp_tem) & |
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| 387 | & + zdz *tsb(ji,jj,jk ,jp_tem) & |
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[6074] | 388 | & + zdzm1*tsb(ji,jj,jk-1,jp_tem) )/e3t_n(ji,jj,jk) |
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[5790] | 389 | tsn(ji,jj,jk,jp_sal) = ( zdzp1*tsb(ji,jj,jk+1,jp_sal) & |
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| 390 | & + zdz *tsb(ji,jj,jk ,jp_sal) & |
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[6074] | 391 | & + zdzm1*tsb(ji,jj,jk-1,jp_sal) )/e3t_n(ji,jj,jk) |
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[5790] | 392 | END IF |
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| 393 | END DO |
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| 394 | END DO |
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| 395 | END DO |
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| 396 | END IF |
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| 397 | |
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[5823] | 398 | ! closed pool |
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| 399 | ! ----------------------------------------------------------------------------------------- |
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| 400 | ! case we open a cell but no neigbour cells available to get an estimate of T and S |
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| 401 | WHERE (tmask(:,:,:) == 1._wp .AND. tsn(:,:,:,2) == 0._wp) |
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[5945] | 402 | tsn(:,:,:,2) = -99._wp ! Special value for closed pool (checking purpose in output.init) |
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[5823] | 403 | tmask(:,:,:) = 0._wp ! set mask to 0 to run |
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| 404 | umask(:,:,:) = 0._wp |
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| 405 | vmask(:,:,:) = 0._wp |
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[5790] | 406 | END WHERE |
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[5823] | 407 | |
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| 408 | ! set mbkt and mikt to 1 in thiese location |
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[5790] | 409 | WHERE (SUM(tmask,dim=3) == 0) |
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[10001] | 410 | mbkt(:,:) = 1 ; mbku(:,:)=1 ; mbkv(:,:) = 1 |
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| 411 | mikt(:,:) = 1 ; miku(:,:)=1 ; mikv(:,:) = 1 |
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[5790] | 412 | END WHERE |
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[5823] | 413 | ! ------------------------------------------------------------------------------------------- |
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[5790] | 414 | ! compute new tn and sn if we close cell |
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| 415 | ! nothing to do |
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[5802] | 416 | ! |
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[5790] | 417 | END SUBROUTINE iscpl_rst_interpol |
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| 418 | |
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[7646] | 419 | !!====================================================================== |
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[5790] | 420 | END MODULE iscplrst |
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