[825] | 1 | MODULE limtrp |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE limtrp *** |
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| 4 | !! LIM transport ice model : sea-ice advection/diffusion |
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| 5 | !!====================================================================== |
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[2715] | 6 | !! History : LIM-2 ! 2000-01 (M.A. Morales Maqueda, H. Goosse, and T. Fichefet) Original code |
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| 7 | !! 3.0 ! 2005-11 (M. Vancoppenolle) Multi-layer sea ice, salinity variations |
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| 8 | !! 4.0 ! 2011-02 (G. Madec) dynamical allocation |
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| 9 | !!---------------------------------------------------------------------- |
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[825] | 10 | #if defined key_lim3 |
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| 11 | !!---------------------------------------------------------------------- |
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[834] | 12 | !! 'key_lim3' LIM3 sea-ice model |
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[825] | 13 | !!---------------------------------------------------------------------- |
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| 14 | !! lim_trp : advection/diffusion process of sea ice |
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| 15 | !!---------------------------------------------------------------------- |
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[3625] | 16 | USE phycst ! physical constant |
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| 17 | USE dom_oce ! ocean domain |
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| 18 | USE sbc_oce ! ocean surface boundary condition |
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| 19 | USE ice ! ice variables |
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| 20 | USE limhdf ! ice horizontal diffusion |
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[5123] | 21 | USE limvar ! |
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[7421] | 22 | USE limadv_prather ! advection scheme (Prather) |
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| 23 | USE limadv_umx ! advection scheme (ultimate-macho) |
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[5123] | 24 | ! |
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[3625] | 25 | USE in_out_manager ! I/O manager |
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| 26 | USE lbclnk ! lateral boundary conditions -- MPP exchanges |
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| 27 | USE lib_mpp ! MPP library |
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| 28 | USE wrk_nemo ! work arrays |
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| 29 | USE prtctl ! Print control |
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| 30 | USE lib_fortran ! Fortran utilities (allows no signed zero when 'key_nosignedzero' defined) |
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[5123] | 31 | USE timing ! Timing |
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[4688] | 32 | USE limcons ! conservation tests |
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[5123] | 33 | USE limctl ! control prints |
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[825] | 34 | |
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| 35 | IMPLICIT NONE |
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| 36 | PRIVATE |
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| 37 | |
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[5123] | 38 | PUBLIC lim_trp ! called by sbcice_lim |
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[825] | 39 | |
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[5123] | 40 | INTEGER :: ncfl ! number of ice time step with CFL>1/2 |
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| 41 | |
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[825] | 42 | !! * Substitution |
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| 43 | # include "vectopt_loop_substitute.h90" |
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| 44 | !!---------------------------------------------------------------------- |
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[4161] | 45 | !! NEMO/LIM3 4.0 , UCL - NEMO Consortium (2011) |
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[1156] | 46 | !! $Id$ |
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[2715] | 47 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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[825] | 48 | !!---------------------------------------------------------------------- |
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| 49 | CONTAINS |
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| 50 | |
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[921] | 51 | SUBROUTINE lim_trp( kt ) |
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[825] | 52 | !!------------------------------------------------------------------- |
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| 53 | !! *** ROUTINE lim_trp *** |
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| 54 | !! |
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| 55 | !! ** purpose : advection/diffusion process of sea ice |
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| 56 | !! |
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| 57 | !! ** method : variables included in the process are scalar, |
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| 58 | !! other values are considered as second order. |
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[7421] | 59 | !! For advection, one can choose between |
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| 60 | !! a) an Ultimate-Macho scheme (whose order is defined by nn_limadv_ord) => nn_limadv=0 |
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| 61 | !! b) and a second order Prather scheme => nn_limadv=-1 |
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[825] | 62 | !! |
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| 63 | !! ** action : |
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| 64 | !!--------------------------------------------------------------------- |
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[7421] | 65 | INTEGER, INTENT(in) :: kt ! number of iteration |
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[2715] | 66 | ! |
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[7421] | 67 | INTEGER :: ji, jj, jk, jm, jl, jt ! dummy loop indices |
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[2715] | 68 | INTEGER :: initad ! number of sub-timestep for the advection |
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[4990] | 69 | REAL(wp) :: zcfl , zusnit ! - - |
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[7421] | 70 | CHARACTER(len=80) :: cltmp |
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[2715] | 71 | ! |
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[7421] | 72 | REAL(wp) :: zvi_b, zsmv_b, zei_b, zfs_b, zfw_b, zft_b |
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| 73 | REAL(wp) :: zdv, zda |
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| 74 | REAL(wp), POINTER, DIMENSION(:,:) :: zatold, zeiold, zesold, zsmvold |
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| 75 | REAL(wp), POINTER, DIMENSION(:,:,:) :: zhimax, zviold, zvsold |
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| 76 | ! --- diffusion --- ! |
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| 77 | REAL(wp), POINTER, DIMENSION(:,:,:) :: zhdfptab |
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| 78 | INTEGER , PARAMETER :: ihdf_vars = 6 ! Number of variables in which we apply horizontal diffusion |
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| 79 | ! inside limtrp for each ice category , not counting the |
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| 80 | ! variables corresponding to ice_layers |
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| 81 | ! --- ultimate macho only --- ! |
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| 82 | REAL(wp) :: zdt |
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| 83 | REAL(wp), POINTER, DIMENSION(:,:) :: zudy, zvdx, zcu_box, zcv_box |
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| 84 | ! --- prather only --- ! |
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| 85 | REAL(wp), POINTER, DIMENSION(:,:) :: zarea |
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| 86 | REAL(wp), POINTER, DIMENSION(:,:,:) :: z0opw |
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[5134] | 87 | REAL(wp), POINTER, DIMENSION(:,:,:) :: z0ice, z0snw, z0ai, z0es , z0smi , z0oi |
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| 88 | REAL(wp), POINTER, DIMENSION(:,:,:,:) :: z0ei |
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[7421] | 89 | !! |
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[2715] | 90 | !!--------------------------------------------------------------------- |
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[4161] | 91 | IF( nn_timing == 1 ) CALL timing_start('limtrp') |
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[825] | 92 | |
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[7421] | 93 | CALL wrk_alloc( jpi,jpj, zatold, zeiold, zesold, zsmvold ) |
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| 94 | CALL wrk_alloc( jpi,jpj,jpl, zhimax, zviold, zvsold ) |
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| 95 | CALL wrk_alloc( jpi,jpj,jpl*(ihdf_vars + nlay_i)+1, zhdfptab) |
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| 96 | |
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| 97 | IF( kt == nit000 .AND. lwp ) THEN |
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| 98 | WRITE(numout,*)'' |
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| 99 | WRITE(numout,*)'limtrp' |
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| 100 | WRITE(numout,*)'~~~~~~' |
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[5123] | 101 | ncfl = 0 ! nb of time step with CFL > 1/2 |
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[2715] | 102 | ENDIF |
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| 103 | |
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[7421] | 104 | CALL lim_var_agg( 1 ) ! integrated values + ato_i |
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[4688] | 105 | |
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[7421] | 106 | !-------------------------------------! |
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| 107 | ! Advection of sea ice properties ! |
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| 108 | !-------------------------------------! |
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[4688] | 109 | |
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[7421] | 110 | ! conservation test |
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| 111 | IF( ln_limdiachk ) CALL lim_cons_hsm(0, 'limtrp', zvi_b, zsmv_b, zei_b, zfw_b, zfs_b, zft_b) |
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| 112 | |
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| 113 | ! store old values for diag |
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| 114 | zviold = v_i |
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| 115 | zvsold = v_s |
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| 116 | zsmvold(:,:) = SUM( smv_i(:,:,:), dim=3 ) |
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| 117 | zeiold (:,:) = et_i |
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| 118 | zesold (:,:) = et_s |
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[825] | 119 | |
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[7421] | 120 | !--- Thickness correction init. --- ! |
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| 121 | zatold(:,:) = at_i |
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| 122 | DO jl = 1, jpl |
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| 123 | DO jj = 1, jpj |
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| 124 | DO ji = 1, jpi |
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| 125 | rswitch = MAX( 0._wp , SIGN( 1._wp, a_i(ji,jj,jl) - epsi20 ) ) |
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| 126 | ht_i (ji,jj,jl) = v_i (ji,jj,jl) / MAX( a_i(ji,jj,jl) , epsi20 ) * rswitch |
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| 127 | ht_s (ji,jj,jl) = v_s (ji,jj,jl) / MAX( a_i(ji,jj,jl) , epsi20 ) * rswitch |
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[5167] | 128 | END DO |
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| 129 | END DO |
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[7421] | 130 | END DO |
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| 131 | ! --- Record max of the surrounding ice thicknesses for correction in case advection creates ice too thick --- ! |
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| 132 | zhimax(:,:,:) = ht_i(:,:,:) + ht_s(:,:,:) |
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| 133 | DO jl = 1, jpl |
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| 134 | DO jj = 2, jpjm1 |
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| 135 | DO ji = 2, jpim1 |
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| 136 | zhimax(ji,jj,jl) = MAXVAL( ht_i(ji-1:ji+1,jj-1:jj+1,jl) + ht_s(ji-1:ji+1,jj-1:jj+1,jl) ) |
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| 137 | END DO |
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| 138 | END DO |
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| 139 | CALL lbc_lnk(zhimax(:,:,jl),'T',1.) |
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| 140 | END DO |
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| 141 | |
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| 142 | ! --- If ice drift field is too fast, use an appropriate time step for advection --- ! |
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| 143 | zcfl = MAXVAL( ABS( u_ice(:,:) ) * rdt_ice * r1_e1u(:,:) ) ! CFL test for stability |
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| 144 | zcfl = MAX( zcfl, MAXVAL( ABS( v_ice(:,:) ) * rdt_ice * r1_e2v(:,:) ) ) |
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| 145 | IF( lk_mpp ) CALL mpp_max( zcfl ) |
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| 146 | |
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| 147 | IF( zcfl > 0.5 ) THEN ; initad = 2 ; zusnit = 0.5_wp |
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| 148 | ELSE ; initad = 1 ; zusnit = 1.0_wp |
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| 149 | ENDIF |
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| 150 | |
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| 151 | !! IF( zcfl > 0.5_wp .AND. lwp ) THEN |
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| 152 | !! ncfl = ncfl + 1 |
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| 153 | !! IF( ncfl > 0 ) THEN |
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| 154 | !! WRITE(cltmp,'(i6.1)') ncfl |
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| 155 | !! CALL ctl_warn( 'lim_trp: ncfl= ', TRIM(cltmp), 'advective ice time-step using a split in sub-time-step ') |
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| 156 | !! ENDIF |
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| 157 | !! ENDIF |
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| 158 | |
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| 159 | SELECT CASE ( nn_limadv ) |
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| 160 | |
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| 161 | !=============================! |
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| 162 | CASE ( 0 ) !== Ultimate-MACHO scheme ==! |
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| 163 | !=============================! |
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| 164 | |
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| 165 | CALL wrk_alloc( jpi,jpj, zudy, zvdx, zcu_box, zcv_box ) |
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| 166 | |
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| 167 | IF( kt == nit000 .AND. lwp ) THEN |
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| 168 | WRITE(numout,*)'' |
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| 169 | WRITE(numout,*)'lim_adv_umx : Ultimate-MACHO advection scheme' |
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| 170 | WRITE(numout,*)'~~~~~~~~~~~' |
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| 171 | ENDIF |
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| 172 | ! |
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| 173 | zdt = rdt_ice / REAL(initad) |
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| 174 | |
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| 175 | ! transport |
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| 176 | zudy(:,:) = u_ice(:,:) * e2u(:,:) |
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| 177 | zvdx(:,:) = v_ice(:,:) * e1v(:,:) |
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| 178 | |
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| 179 | ! define velocity for advection: u*grad(H) |
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| 180 | DO jj = 2, jpjm1 |
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| 181 | DO ji = fs_2, fs_jpim1 |
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| 182 | IF ( u_ice(ji,jj) * u_ice(ji-1,jj) <= 0._wp ) THEN ; zcu_box(ji,jj) = 0._wp |
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| 183 | ELSEIF( u_ice(ji,jj) > 0._wp ) THEN ; zcu_box(ji,jj) = u_ice(ji-1,jj) |
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| 184 | ELSE ; zcu_box(ji,jj) = u_ice(ji ,jj) |
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| 185 | ENDIF |
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| 186 | |
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| 187 | IF ( v_ice(ji,jj) * v_ice(ji,jj-1) <= 0._wp ) THEN ; zcv_box(ji,jj) = 0._wp |
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| 188 | ELSEIF( v_ice(ji,jj) > 0._wp ) THEN ; zcv_box(ji,jj) = v_ice(ji,jj-1) |
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| 189 | ELSE ; zcv_box(ji,jj) = v_ice(ji,jj ) |
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| 190 | ENDIF |
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| 191 | END DO |
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| 192 | END DO |
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| 193 | |
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| 194 | ! advection |
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| 195 | DO jt = 1, initad |
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| 196 | CALL lim_adv_umx( kt, zdt, zudy, zvdx, zcu_box, zcv_box, ato_i(:,:) ) ! Open water area |
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| 197 | DO jl = 1, jpl |
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| 198 | CALL lim_adv_umx( kt, zdt, zudy, zvdx, zcu_box, zcv_box, a_i(:,:,jl) ) ! Ice area |
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| 199 | CALL lim_adv_umx( kt, zdt, zudy, zvdx, zcu_box, zcv_box, v_i(:,:,jl) ) ! Ice volume |
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| 200 | CALL lim_adv_umx( kt, zdt, zudy, zvdx, zcu_box, zcv_box, smv_i(:,:,jl) ) ! Salt content |
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| 201 | CALL lim_adv_umx( kt, zdt, zudy, zvdx, zcu_box, zcv_box, oa_i (:,:,jl) ) ! Age content |
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| 202 | DO jk = 1, nlay_i |
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| 203 | CALL lim_adv_umx( kt, zdt, zudy, zvdx, zcu_box, zcv_box, e_i(:,:,jk,jl) ) ! Ice heat content |
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[4161] | 204 | END DO |
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[7421] | 205 | CALL lim_adv_umx( kt, zdt, zudy, zvdx, zcu_box, zcv_box, v_s(:,:,jl) ) ! Snow volume |
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| 206 | CALL lim_adv_umx( kt, zdt, zudy, zvdx, zcu_box, zcv_box, e_s(:,:,1,jl) ) ! Snow heat content |
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[4161] | 207 | END DO |
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| 208 | END DO |
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[7421] | 209 | ! |
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| 210 | at_i(:,:) = a_i(:,:,1) ! total ice fraction |
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| 211 | DO jl = 2, jpl |
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| 212 | at_i(:,:) = at_i(:,:) + a_i(:,:,jl) |
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| 213 | END DO |
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| 214 | ! |
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| 215 | CALL wrk_dealloc( jpi,jpj, zudy, zvdx, zcu_box, zcv_box ) |
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[4161] | 216 | |
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[7421] | 217 | !=============================! |
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| 218 | CASE ( -1 ) !== Prather scheme ==! |
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| 219 | !=============================! |
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[5123] | 220 | |
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[7421] | 221 | CALL wrk_alloc( jpi,jpj, zarea ) |
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| 222 | CALL wrk_alloc( jpi,jpj,1, z0opw ) |
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| 223 | CALL wrk_alloc( jpi,jpj,jpl, z0ice, z0snw, z0ai, z0es , z0smi , z0oi ) |
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| 224 | CALL wrk_alloc( jpi,jpj,nlay_i,jpl, z0ei ) |
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| 225 | |
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| 226 | IF( kt == nit000 .AND. lwp ) THEN |
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| 227 | WRITE(numout,*)'' |
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| 228 | WRITE(numout,*)'lim_adv_xy : Prather advection scheme' |
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| 229 | WRITE(numout,*)'~~~~~~~~~~~' |
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[5123] | 230 | ENDIF |
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[7421] | 231 | |
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| 232 | zarea(:,:) = e1e2t(:,:) |
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| 233 | |
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[825] | 234 | !------------------------- |
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[2715] | 235 | ! transported fields |
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[825] | 236 | !------------------------- |
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[5836] | 237 | z0opw(:,:,1) = ato_i(:,:) * e1e2t(:,:) ! Open water area |
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[2715] | 238 | DO jl = 1, jpl |
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[5836] | 239 | z0snw (:,:,jl) = v_s (:,:, jl) * e1e2t(:,:) ! Snow volume |
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| 240 | z0ice(:,:,jl) = v_i (:,:, jl) * e1e2t(:,:) ! Ice volume |
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| 241 | z0ai (:,:,jl) = a_i (:,:, jl) * e1e2t(:,:) ! Ice area |
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| 242 | z0smi (:,:,jl) = smv_i(:,:, jl) * e1e2t(:,:) ! Salt content |
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| 243 | z0oi (:,:,jl) = oa_i (:,:, jl) * e1e2t(:,:) ! Age content |
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| 244 | z0es (:,:,jl) = e_s (:,:,1,jl) * e1e2t(:,:) ! Snow heat content |
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[7421] | 245 | DO jk = 1, nlay_i |
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[5836] | 246 | z0ei (:,:,jk,jl) = e_i (:,:,jk,jl) * e1e2t(:,:) ! Ice heat content |
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[5123] | 247 | END DO |
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[825] | 248 | END DO |
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| 249 | |
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[921] | 250 | |
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[2715] | 251 | IF( MOD( ( kt - 1) / nn_fsbc , 2 ) == 0 ) THEN !== odd ice time step: adv_x then adv_y ==! |
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[5123] | 252 | DO jt = 1, initad |
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[7421] | 253 | CALL lim_adv_x( zusnit, u_ice, 1._wp, zarea, z0opw (:,:,1), sxopw(:,:), & !--- ice open water area |
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| 254 | & sxxopw(:,:) , syopw(:,:), syyopw(:,:), sxyopw(:,:) ) |
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| 255 | CALL lim_adv_y( zusnit, v_ice, 0._wp, zarea, z0opw (:,:,1), sxopw(:,:), & |
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| 256 | & sxxopw(:,:) , syopw(:,:), syyopw(:,:), sxyopw(:,:) ) |
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[825] | 257 | DO jl = 1, jpl |
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[7421] | 258 | CALL lim_adv_x( zusnit, u_ice, 1._wp, zarea, z0ice (:,:,jl), sxice(:,:,jl), & !--- ice volume --- |
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| 259 | & sxxice(:,:,jl), syice(:,:,jl), syyice(:,:,jl), sxyice(:,:,jl) ) |
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| 260 | CALL lim_adv_y( zusnit, v_ice, 0._wp, zarea, z0ice (:,:,jl), sxice(:,:,jl), & |
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| 261 | & sxxice(:,:,jl), syice(:,:,jl), syyice(:,:,jl), sxyice(:,:,jl) ) |
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| 262 | CALL lim_adv_x( zusnit, u_ice, 1._wp, zarea, z0snw (:,:,jl), sxsn (:,:,jl), & !--- snow volume --- |
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| 263 | & sxxsn (:,:,jl), sysn (:,:,jl), syysn (:,:,jl), sxysn (:,:,jl) ) |
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| 264 | CALL lim_adv_y( zusnit, v_ice, 0._wp, zarea, z0snw (:,:,jl), sxsn (:,:,jl), & |
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| 265 | & sxxsn (:,:,jl), sysn (:,:,jl), syysn (:,:,jl), sxysn (:,:,jl) ) |
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| 266 | CALL lim_adv_x( zusnit, u_ice, 1._wp, zarea, z0smi (:,:,jl), sxsal(:,:,jl), & !--- ice salinity --- |
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| 267 | & sxxsal(:,:,jl), sysal(:,:,jl), syysal(:,:,jl), sxysal(:,:,jl) ) |
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| 268 | CALL lim_adv_y( zusnit, v_ice, 0._wp, zarea, z0smi (:,:,jl), sxsal(:,:,jl), & |
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| 269 | & sxxsal(:,:,jl), sysal(:,:,jl), syysal(:,:,jl), sxysal(:,:,jl) ) |
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| 270 | CALL lim_adv_x( zusnit, u_ice, 1._wp, zarea, z0oi (:,:,jl), sxage(:,:,jl), & !--- ice age --- |
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| 271 | & sxxage(:,:,jl), syage(:,:,jl), syyage(:,:,jl), sxyage(:,:,jl) ) |
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| 272 | CALL lim_adv_y( zusnit, v_ice, 0._wp, zarea, z0oi (:,:,jl), sxage(:,:,jl), & |
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| 273 | & sxxage(:,:,jl), syage(:,:,jl), syyage(:,:,jl), sxyage(:,:,jl) ) |
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| 274 | CALL lim_adv_x( zusnit, u_ice, 1._wp, zarea, z0ai (:,:,jl), sxa (:,:,jl), & !--- ice concentrations --- |
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| 275 | & sxxa (:,:,jl), sya (:,:,jl), syya (:,:,jl), sxya (:,:,jl) ) |
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| 276 | CALL lim_adv_y( zusnit, v_ice, 0._wp, zarea, z0ai (:,:,jl), sxa (:,:,jl), & |
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| 277 | & sxxa (:,:,jl), sya (:,:,jl), syya (:,:,jl), sxya (:,:,jl) ) |
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| 278 | CALL lim_adv_x( zusnit, u_ice, 1._wp, zarea, z0es (:,:,jl), sxc0 (:,:,jl), & !--- snow heat contents --- |
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| 279 | & sxxc0 (:,:,jl), syc0 (:,:,jl), syyc0 (:,:,jl), sxyc0 (:,:,jl) ) |
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| 280 | CALL lim_adv_y( zusnit, v_ice, 0._wp, zarea, z0es (:,:,jl), sxc0 (:,:,jl), & |
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| 281 | & sxxc0 (:,:,jl), syc0 (:,:,jl), syyc0 (:,:,jl), sxyc0 (:,:,jl) ) |
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[5123] | 282 | DO jk = 1, nlay_i !--- ice heat contents --- |
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[7421] | 283 | CALL lim_adv_x( zusnit, u_ice, 1._wp, zarea, z0ei(:,:,jk,jl), sxe (:,:,jk,jl), & |
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| 284 | & sxxe(:,:,jk,jl), sye (:,:,jk,jl), & |
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| 285 | & syye(:,:,jk,jl), sxye(:,:,jk,jl) ) |
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| 286 | CALL lim_adv_y( zusnit, v_ice, 0._wp, zarea, z0ei(:,:,jk,jl), sxe (:,:,jk,jl), & |
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| 287 | & sxxe(:,:,jk,jl), sye (:,:,jk,jl), & |
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| 288 | & syye(:,:,jk,jl), sxye(:,:,jk,jl) ) |
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[825] | 289 | END DO |
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| 290 | END DO |
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| 291 | END DO |
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| 292 | ELSE |
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[5123] | 293 | DO jt = 1, initad |
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[7421] | 294 | CALL lim_adv_y( zusnit, v_ice, 1._wp, zarea, z0opw (:,:,1), sxopw(:,:), & !--- ice open water area |
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| 295 | & sxxopw(:,:) , syopw(:,:), syyopw(:,:), sxyopw(:,:) ) |
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| 296 | CALL lim_adv_x( zusnit, u_ice, 0._wp, zarea, z0opw (:,:,1), sxopw(:,:), & |
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| 297 | & sxxopw(:,:) , syopw(:,:), syyopw(:,:), sxyopw(:,:) ) |
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[825] | 298 | DO jl = 1, jpl |
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[7421] | 299 | CALL lim_adv_y( zusnit, v_ice, 1._wp, zarea, z0ice (:,:,jl), sxice(:,:,jl), & !--- ice volume --- |
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| 300 | & sxxice(:,:,jl), syice(:,:,jl), syyice(:,:,jl), sxyice(:,:,jl) ) |
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| 301 | CALL lim_adv_x( zusnit, u_ice, 0._wp, zarea, z0ice (:,:,jl), sxice(:,:,jl), & |
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| 302 | & sxxice(:,:,jl), syice(:,:,jl), syyice(:,:,jl), sxyice(:,:,jl) ) |
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| 303 | CALL lim_adv_y( zusnit, v_ice, 1._wp, zarea, z0snw (:,:,jl), sxsn (:,:,jl), & !--- snow volume --- |
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| 304 | & sxxsn (:,:,jl), sysn (:,:,jl), syysn (:,:,jl), sxysn (:,:,jl) ) |
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| 305 | CALL lim_adv_x( zusnit, u_ice, 0._wp, zarea, z0snw (:,:,jl), sxsn (:,:,jl), & |
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| 306 | & sxxsn (:,:,jl), sysn (:,:,jl), syysn (:,:,jl), sxysn (:,:,jl) ) |
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| 307 | CALL lim_adv_y( zusnit, v_ice, 1._wp, zarea, z0smi (:,:,jl), sxsal(:,:,jl), & !--- ice salinity --- |
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| 308 | & sxxsal(:,:,jl), sysal(:,:,jl), syysal(:,:,jl), sxysal(:,:,jl) ) |
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| 309 | CALL lim_adv_x( zusnit, u_ice, 0._wp, zarea, z0smi (:,:,jl), sxsal(:,:,jl), & |
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| 310 | & sxxsal(:,:,jl), sysal(:,:,jl), syysal(:,:,jl), sxysal(:,:,jl) ) |
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| 311 | CALL lim_adv_y( zusnit, v_ice, 1._wp, zarea, z0oi (:,:,jl), sxage(:,:,jl), & !--- ice age --- |
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| 312 | & sxxage(:,:,jl), syage(:,:,jl), syyage(:,:,jl), sxyage(:,:,jl) ) |
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| 313 | CALL lim_adv_x( zusnit, u_ice, 0._wp, zarea, z0oi (:,:,jl), sxage(:,:,jl), & |
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| 314 | & sxxage(:,:,jl), syage(:,:,jl), syyage(:,:,jl), sxyage(:,:,jl) ) |
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| 315 | CALL lim_adv_y( zusnit, v_ice, 1._wp, zarea, z0ai (:,:,jl), sxa (:,:,jl), & !--- ice concentrations --- |
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| 316 | & sxxa (:,:,jl), sya (:,:,jl), syya (:,:,jl), sxya (:,:,jl) ) |
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| 317 | CALL lim_adv_x( zusnit, u_ice, 0._wp, zarea, z0ai (:,:,jl), sxa (:,:,jl), & |
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| 318 | & sxxa (:,:,jl), sya (:,:,jl), syya (:,:,jl), sxya (:,:,jl) ) |
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| 319 | CALL lim_adv_y( zusnit, v_ice, 1._wp, zarea, z0es (:,:,jl), sxc0 (:,:,jl), & !--- snow heat contents --- |
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| 320 | & sxxc0 (:,:,jl), syc0 (:,:,jl), syyc0 (:,:,jl), sxyc0 (:,:,jl) ) |
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| 321 | CALL lim_adv_x( zusnit, u_ice, 0._wp, zarea, z0es (:,:,jl), sxc0 (:,:,jl), & |
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| 322 | & sxxc0 (:,:,jl), syc0 (:,:,jl), syyc0 (:,:,jl), sxyc0 (:,:,jl) ) |
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[4870] | 323 | DO jk = 1, nlay_i !--- ice heat contents --- |
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[7421] | 324 | CALL lim_adv_y( zusnit, v_ice, 1._wp, zarea, z0ei(:,:,jk,jl), sxe (:,:,jk,jl), & |
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| 325 | & sxxe(:,:,jk,jl), sye (:,:,jk,jl), & |
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| 326 | & syye(:,:,jk,jl), sxye(:,:,jk,jl) ) |
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| 327 | CALL lim_adv_x( zusnit, u_ice, 0._wp, zarea, z0ei(:,:,jk,jl), sxe (:,:,jk,jl), & |
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| 328 | & sxxe(:,:,jk,jl), sye (:,:,jk,jl), & |
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| 329 | & syye(:,:,jk,jl), sxye(:,:,jk,jl) ) |
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[825] | 330 | END DO |
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| 331 | END DO |
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| 332 | END DO |
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| 333 | ENDIF |
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| 334 | |
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| 335 | !------------------------------------------- |
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| 336 | ! Recover the properties from their contents |
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| 337 | !------------------------------------------- |
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[5836] | 338 | ato_i(:,:) = z0opw(:,:,1) * r1_e1e2t(:,:) |
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[825] | 339 | DO jl = 1, jpl |
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[5836] | 340 | v_i (:,:, jl) = z0ice(:,:,jl) * r1_e1e2t(:,:) |
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| 341 | v_s (:,:, jl) = z0snw(:,:,jl) * r1_e1e2t(:,:) |
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| 342 | smv_i(:,:, jl) = z0smi(:,:,jl) * r1_e1e2t(:,:) |
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| 343 | oa_i (:,:, jl) = z0oi (:,:,jl) * r1_e1e2t(:,:) |
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| 344 | a_i (:,:, jl) = z0ai (:,:,jl) * r1_e1e2t(:,:) |
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| 345 | e_s (:,:,1,jl) = z0es (:,:,jl) * r1_e1e2t(:,:) |
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[5123] | 346 | DO jk = 1, nlay_i |
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[5836] | 347 | e_i(:,:,jk,jl) = z0ei(:,:,jk,jl) * r1_e1e2t(:,:) |
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[5123] | 348 | END DO |
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[825] | 349 | END DO |
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| 350 | |
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[5123] | 351 | at_i(:,:) = a_i(:,:,1) ! total ice fraction |
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| 352 | DO jl = 2, jpl |
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| 353 | at_i(:,:) = at_i(:,:) + a_i(:,:,jl) |
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| 354 | END DO |
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[7421] | 355 | |
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| 356 | CALL wrk_dealloc( jpi,jpj, zarea ) |
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| 357 | CALL wrk_dealloc( jpi,jpj,1, z0opw ) |
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| 358 | CALL wrk_dealloc( jpi,jpj,jpl, z0ice, z0snw, z0ai, z0es , z0smi , z0oi ) |
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| 359 | CALL wrk_dealloc( jpi,jpj,nlay_i,jpl, z0ei ) |
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[5123] | 360 | |
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[7421] | 361 | END SELECT |
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| 362 | |
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| 363 | !------------------------------! |
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| 364 | ! Diffusion of Ice fields |
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| 365 | !------------------------------! |
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| 366 | IF( nn_ahi0 /= -1 .AND. nn_limdyn == 2 ) THEN |
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| 367 | ! |
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| 368 | ! --- Prepare diffusion for variables with categories --- ! |
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| 369 | ! mask eddy diffusivity coefficient at ocean U- and V-points |
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[6490] | 370 | jm=1 |
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| 371 | DO jl = 1, jpl |
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| 372 | DO jj = 1, jpjm1 ! NB: has not to be defined on jpj line and jpi row |
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[7421] | 373 | DO ji = 1 , fs_jpim1 |
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[6490] | 374 | pahu3D(ji,jj,jl) = ( 1._wp - MAX( 0._wp, SIGN( 1._wp, -a_i(ji ,jj, jl ) ) ) ) & |
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| 375 | & * ( 1._wp - MAX( 0._wp, SIGN( 1._wp, -a_i(ji+1,jj, jl ) ) ) ) * ahiu(ji,jj) |
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| 376 | pahv3D(ji,jj,jl) = ( 1._wp - MAX( 0._wp, SIGN( 1._wp, -a_i(ji, jj, jl ) ) ) ) & |
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| 377 | & * ( 1._wp - MAX( 0._wp, SIGN( 1._wp,- a_i(ji, jj+1,jl ) ) ) ) * ahiv(ji,jj) |
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| 378 | END DO |
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| 379 | END DO |
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[825] | 380 | |
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[7421] | 381 | zhdfptab(:,:,jm)= a_i (:,:, jl); jm = jm + 1 |
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[6490] | 382 | zhdfptab(:,:,jm)= v_i (:,:, jl); jm = jm + 1 |
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[7421] | 383 | zhdfptab(:,:,jm)= v_s (:,:, jl); jm = jm + 1 |
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[6490] | 384 | zhdfptab(:,:,jm)= smv_i(:,:, jl); jm = jm + 1 |
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| 385 | zhdfptab(:,:,jm)= oa_i (:,:, jl); jm = jm + 1 |
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| 386 | zhdfptab(:,:,jm)= e_s (:,:,1,jl); jm = jm + 1 |
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[7421] | 387 | ! Sample of adding more variables to apply lim_hdf (ihdf_vars must be increased) |
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| 388 | ! zhdfptab(:,:,jm) = variable_1 (:,:,1,jl); jm = jm + 1 |
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| 389 | ! zhdfptab(:,:,jm) = variable_2 (:,:,1,jl); jm = jm + 1 |
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[6490] | 390 | DO jk = 1, nlay_i |
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| 391 | zhdfptab(:,:,jm)=e_i(:,:,jk,jl); jm= jm+1 |
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| 392 | END DO |
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| 393 | END DO |
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[7421] | 394 | |
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| 395 | ! --- Prepare diffusion for open water area --- ! |
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| 396 | ! mask eddy diffusivity coefficient at ocean U- and V-points |
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[2715] | 397 | DO jj = 1, jpjm1 ! NB: has not to be defined on jpj line and jpi row |
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[7421] | 398 | DO ji = 1 , fs_jpim1 |
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[6490] | 399 | pahu3D(ji,jj,jpl+1) = ( 1._wp - MAX( 0._wp, SIGN( 1._wp, -at_i(ji ,jj) ) ) ) & |
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| 400 | & * ( 1._wp - MAX( 0._wp, SIGN( 1._wp, -at_i(ji+1,jj) ) ) ) * ahiu(ji,jj) |
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| 401 | pahv3D(ji,jj,jpl+1) = ( 1._wp - MAX( 0._wp, SIGN( 1._wp, -at_i(ji,jj ) ) ) ) & |
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| 402 | & * ( 1._wp - MAX( 0._wp, SIGN( 1._wp,- at_i(ji,jj+1) ) ) ) * ahiv(ji,jj) |
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[2715] | 403 | END DO |
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| 404 | END DO |
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| 405 | ! |
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[6490] | 406 | zhdfptab(:,:,jm)= ato_i (:,:); |
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[2715] | 407 | |
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[7421] | 408 | ! --- Apply diffusion --- ! |
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| 409 | CALL lim_hdf( zhdfptab, ihdf_vars ) |
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| 410 | |
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| 411 | ! --- Recover properties --- ! |
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[6490] | 412 | jm=1 |
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[825] | 413 | DO jl = 1, jpl |
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[7421] | 414 | a_i (:,:, jl) = zhdfptab(:,:,jm); jm = jm + 1 |
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| 415 | v_i (:,:, jl) = zhdfptab(:,:,jm); jm = jm + 1 |
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| 416 | v_s (:,:, jl) = zhdfptab(:,:,jm); jm = jm + 1 |
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| 417 | smv_i(:,:, jl) = zhdfptab(:,:,jm); jm = jm + 1 |
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| 418 | oa_i (:,:, jl) = zhdfptab(:,:,jm); jm = jm + 1 |
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| 419 | e_s (:,:,1,jl) = zhdfptab(:,:,jm); jm = jm + 1 |
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| 420 | ! Sample of adding more variables to apply lim_hdf |
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| 421 | ! variable_1 (:,:,1,jl) = zhdfptab(:,:, jm ) ; jm + 1 |
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| 422 | ! variable_2 (:,:,1,jl) = zhdfptab(:,:, jm ) ; jm + 1 |
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[825] | 423 | DO jk = 1, nlay_i |
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[7421] | 424 | e_i(:,:,jk,jl) = zhdfptab(:,:,jm);jm= jm + 1 |
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[2715] | 425 | END DO |
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| 426 | END DO |
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[6490] | 427 | ato_i (:,:) = zhdfptab(:,:,jm) |
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[7421] | 428 | |
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| 429 | ENDIF |
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[6490] | 430 | |
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[7421] | 431 | ! --- diags --- |
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| 432 | DO jj = 1, jpj |
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| 433 | DO ji = 1, jpi |
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| 434 | diag_trp_ei (ji,jj) = ( SUM( e_i (ji,jj,1:nlay_i,:) ) - zeiold(ji,jj) ) * r1_rdtice |
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| 435 | diag_trp_es (ji,jj) = ( SUM( e_s (ji,jj,1:nlay_s,:) ) - zesold(ji,jj) ) * r1_rdtice |
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| 436 | diag_trp_smv(ji,jj) = ( SUM( smv_i(ji,jj,:) ) - zsmvold(ji,jj) ) * r1_rdtice |
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| 437 | diag_trp_vi (ji,jj) = SUM( v_i(ji,jj,:) - zviold(ji,jj,:) ) * r1_rdtice |
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| 438 | diag_trp_vs (ji,jj) = SUM( v_s(ji,jj,:) - zvsold(ji,jj,:) ) * r1_rdtice |
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[5123] | 439 | END DO |
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[7421] | 440 | END DO |
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| 441 | |
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| 442 | IF( nn_limdyn == 2) THEN |
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[4688] | 443 | |
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[5123] | 444 | ! zap small areas |
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| 445 | CALL lim_var_zapsmall |
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[7421] | 446 | |
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| 447 | !--- Thickness correction in case too high --- ! |
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[4161] | 448 | DO jl = 1, jpl |
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| 449 | DO jj = 1, jpj |
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| 450 | DO ji = 1, jpi |
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[7421] | 451 | |
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[4161] | 452 | IF ( v_i(ji,jj,jl) > 0._wp ) THEN |
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[7421] | 453 | |
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[5167] | 454 | rswitch = MAX( 0._wp , SIGN( 1._wp, a_i(ji,jj,jl) - epsi20 ) ) |
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| 455 | ht_i (ji,jj,jl) = v_i (ji,jj,jl) / MAX( a_i(ji,jj,jl) , epsi20 ) * rswitch |
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| 456 | ht_s (ji,jj,jl) = v_s (ji,jj,jl) / MAX( a_i(ji,jj,jl) , epsi20 ) * rswitch |
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| 457 | |
---|
[5134] | 458 | zdv = v_i(ji,jj,jl) + v_s(ji,jj,jl) - zviold(ji,jj,jl) - zvsold(ji,jj,jl) |
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[7421] | 459 | |
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[5134] | 460 | IF ( ( zdv > 0.0 .AND. (ht_i(ji,jj,jl)+ht_s(ji,jj,jl)) > zhimax(ji,jj,jl) .AND. zatold(ji,jj) < 0.80 ) .OR. & |
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[5167] | 461 | & ( zdv <= 0.0 .AND. (ht_i(ji,jj,jl)+ht_s(ji,jj,jl)) > zhimax(ji,jj,jl) ) ) THEN |
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[7421] | 462 | |
---|
[5134] | 463 | rswitch = MAX( 0._wp, SIGN( 1._wp, zhimax(ji,jj,jl) - epsi20 ) ) |
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| 464 | a_i(ji,jj,jl) = rswitch * ( v_i(ji,jj,jl) + v_s(ji,jj,jl) ) / MAX( zhimax(ji,jj,jl), epsi20 ) |
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[7421] | 465 | |
---|
[5134] | 466 | ! small correction due to *rswitch for a_i |
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| 467 | v_i (ji,jj,jl) = rswitch * v_i (ji,jj,jl) |
---|
| 468 | v_s (ji,jj,jl) = rswitch * v_s (ji,jj,jl) |
---|
| 469 | smv_i(ji,jj,jl) = rswitch * smv_i(ji,jj,jl) |
---|
| 470 | e_s(ji,jj,1,jl) = rswitch * e_s(ji,jj,1,jl) |
---|
| 471 | e_i(ji,jj,1:nlay_i,jl) = rswitch * e_i(ji,jj,1:nlay_i,jl) |
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[7421] | 472 | |
---|
[4161] | 473 | ENDIF |
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[7421] | 474 | |
---|
[4161] | 475 | ENDIF |
---|
[7421] | 476 | |
---|
[825] | 477 | END DO |
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| 478 | END DO |
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| 479 | END DO |
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[4688] | 480 | ! ------------------------------------------------- |
---|
[5123] | 481 | |
---|
[7421] | 482 | ! Force the upper limit of ht_i to always be < hi_max (99 m). |
---|
| 483 | DO jj = 1, jpj |
---|
| 484 | DO ji = 1, jpi |
---|
| 485 | rswitch = MAX( 0._wp , SIGN( 1._wp, ht_i(ji,jj,jpl) - epsi20 ) ) |
---|
| 486 | ht_i(ji,jj,jpl) = MIN( ht_i(ji,jj,jpl) , hi_max(jpl) ) |
---|
| 487 | a_i (ji,jj,jpl) = v_i(ji,jj,jpl) / MAX( ht_i(ji,jj,jpl) , epsi20 ) * rswitch |
---|
[5123] | 488 | END DO |
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[7421] | 489 | END DO |
---|
[825] | 490 | |
---|
[7421] | 491 | ENDIF |
---|
| 492 | |
---|
| 493 | !------------------------------------------------------------ |
---|
| 494 | ! Impose a_i < amax if no ridging/rafting or in mono-category |
---|
| 495 | !------------------------------------------------------------ |
---|
| 496 | ! |
---|
| 497 | at_i(:,:) = SUM( a_i(:,:,:), dim=3 ) |
---|
| 498 | IF ( nn_limdyn == 1 .OR. ( ( nn_monocat == 2 ) .AND. ( jpl == 1 ) ) ) THEN ! simple conservative piling, comparable with LIM2 |
---|
[825] | 499 | DO jl = 1, jpl |
---|
| 500 | DO jj = 1, jpj |
---|
| 501 | DO ji = 1, jpi |
---|
[7421] | 502 | rswitch = MAX( 0._wp, SIGN( 1._wp, at_i(ji,jj) - epsi20 ) ) |
---|
| 503 | zda = rswitch * MIN( rn_amax_2d(ji,jj) - at_i(ji,jj), 0._wp ) & |
---|
| 504 | & * a_i(ji,jj,jl) / MAX( at_i(ji,jj), epsi20 ) |
---|
| 505 | a_i(ji,jj,jl) = a_i(ji,jj,jl) + zda |
---|
[4688] | 506 | END DO |
---|
| 507 | END DO |
---|
| 508 | END DO |
---|
[825] | 509 | ENDIF |
---|
[7421] | 510 | |
---|
| 511 | ! --- agglomerate variables ----------------- |
---|
| 512 | vt_i(:,:) = SUM( v_i(:,:,:), dim=3 ) |
---|
| 513 | vt_s(:,:) = SUM( v_s(:,:,:), dim=3 ) |
---|
| 514 | at_i(:,:) = SUM( a_i(:,:,:), dim=3 ) |
---|
| 515 | |
---|
| 516 | ! --- open water = 1 if at_i=0 -------------------------------- |
---|
| 517 | WHERE( at_i == 0._wp ) ato_i = 1._wp |
---|
| 518 | |
---|
| 519 | ! conservation test |
---|
| 520 | IF( ln_limdiachk ) CALL lim_cons_hsm(1, 'limtrp', zvi_b, zsmv_b, zei_b, zfw_b, zfs_b, zft_b) |
---|
| 521 | |
---|
[5123] | 522 | ! ------------------------------------------------- |
---|
| 523 | ! control prints |
---|
| 524 | ! ------------------------------------------------- |
---|
[7421] | 525 | IF( ln_limctl ) CALL lim_prt( kt, iiceprt, jiceprt,-1, ' - ice dyn & trp - ' ) |
---|
[2715] | 526 | ! |
---|
[7421] | 527 | CALL wrk_dealloc( jpi,jpj, zatold, zeiold, zesold, zsmvold ) |
---|
| 528 | CALL wrk_dealloc( jpi,jpj,jpl, zhimax, zviold, zvsold ) |
---|
| 529 | CALL wrk_dealloc( jpi,jpj,jpl*(ihdf_vars + nlay_i)+1, zhdfptab) |
---|
[5123] | 530 | ! |
---|
[4161] | 531 | IF( nn_timing == 1 ) CALL timing_stop('limtrp') |
---|
[7421] | 532 | ! |
---|
[825] | 533 | END SUBROUTINE lim_trp |
---|
| 534 | |
---|
| 535 | #else |
---|
| 536 | !!---------------------------------------------------------------------- |
---|
| 537 | !! Default option Empty Module No sea-ice model |
---|
| 538 | !!---------------------------------------------------------------------- |
---|
| 539 | CONTAINS |
---|
| 540 | SUBROUTINE lim_trp ! Empty routine |
---|
| 541 | END SUBROUTINE lim_trp |
---|
| 542 | #endif |
---|
| 543 | !!====================================================================== |
---|
| 544 | END MODULE limtrp |
---|
[6490] | 545 | |
---|