[825] | 1 | MODULE limtrp |
---|
| 2 | !!====================================================================== |
---|
| 3 | !! *** MODULE limtrp *** |
---|
| 4 | !! LIM transport ice model : sea-ice advection/diffusion |
---|
| 5 | !!====================================================================== |
---|
[2715] | 6 | !! History : LIM-2 ! 2000-01 (M.A. Morales Maqueda, H. Goosse, and T. Fichefet) Original code |
---|
| 7 | !! 3.0 ! 2005-11 (M. Vancoppenolle) Multi-layer sea ice, salinity variations |
---|
| 8 | !! 4.0 ! 2011-02 (G. Madec) dynamical allocation |
---|
| 9 | !!---------------------------------------------------------------------- |
---|
[825] | 10 | #if defined key_lim3 |
---|
| 11 | !!---------------------------------------------------------------------- |
---|
[834] | 12 | !! 'key_lim3' LIM3 sea-ice model |
---|
[825] | 13 | !!---------------------------------------------------------------------- |
---|
| 14 | !! lim_trp : advection/diffusion process of sea ice |
---|
| 15 | !!---------------------------------------------------------------------- |
---|
[3625] | 16 | USE phycst ! physical constant |
---|
| 17 | USE dom_oce ! ocean domain |
---|
| 18 | USE sbc_oce ! ocean surface boundary condition |
---|
| 19 | USE par_ice ! ice parameter |
---|
| 20 | USE dom_ice ! ice domain |
---|
| 21 | USE ice ! ice variables |
---|
| 22 | USE limadv ! ice advection |
---|
| 23 | USE limhdf ! ice horizontal diffusion |
---|
| 24 | USE in_out_manager ! I/O manager |
---|
| 25 | USE lbclnk ! lateral boundary conditions -- MPP exchanges |
---|
| 26 | USE lib_mpp ! MPP library |
---|
| 27 | USE wrk_nemo ! work arrays |
---|
| 28 | USE prtctl ! Print control |
---|
| 29 | USE lib_fortran ! Fortran utilities (allows no signed zero when 'key_nosignedzero' defined) |
---|
[4161] | 30 | USE limvar ! clem for ice thickness correction |
---|
| 31 | USE timing ! Timing |
---|
[4688] | 32 | USE limcons ! conservation tests |
---|
[825] | 33 | |
---|
| 34 | IMPLICIT NONE |
---|
| 35 | PRIVATE |
---|
| 36 | |
---|
[2715] | 37 | PUBLIC lim_trp ! called by ice_step |
---|
[825] | 38 | |
---|
| 39 | !! * Substitution |
---|
| 40 | # include "vectopt_loop_substitute.h90" |
---|
| 41 | !!---------------------------------------------------------------------- |
---|
[4161] | 42 | !! NEMO/LIM3 4.0 , UCL - NEMO Consortium (2011) |
---|
[1156] | 43 | !! $Id$ |
---|
[2715] | 44 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
---|
[825] | 45 | !!---------------------------------------------------------------------- |
---|
| 46 | CONTAINS |
---|
| 47 | |
---|
[921] | 48 | SUBROUTINE lim_trp( kt ) |
---|
[825] | 49 | !!------------------------------------------------------------------- |
---|
| 50 | !! *** ROUTINE lim_trp *** |
---|
| 51 | !! |
---|
| 52 | !! ** purpose : advection/diffusion process of sea ice |
---|
| 53 | !! |
---|
| 54 | !! ** method : variables included in the process are scalar, |
---|
| 55 | !! other values are considered as second order. |
---|
| 56 | !! For advection, a second order Prather scheme is used. |
---|
| 57 | !! |
---|
| 58 | !! ** action : |
---|
| 59 | !!--------------------------------------------------------------------- |
---|
[2715] | 60 | INTEGER, INTENT(in) :: kt ! number of iteration |
---|
| 61 | ! |
---|
[4877] | 62 | INTEGER :: ji, jj, jk, jl, jn ! dummy loop indices |
---|
[2715] | 63 | INTEGER :: initad ! number of sub-timestep for the advection |
---|
[4990] | 64 | REAL(wp) :: zcfl , zusnit ! - - |
---|
[2715] | 65 | ! |
---|
[3294] | 66 | REAL(wp), POINTER, DIMENSION(:,:) :: zui_u, zvi_v, zsm, zs0at, zs0ow |
---|
| 67 | REAL(wp), POINTER, DIMENSION(:,:,:) :: zs0ice, zs0sn, zs0a, zs0c0 , zs0sm , zs0oi |
---|
| 68 | REAL(wp), POINTER, DIMENSION(:,:,:,:) :: zs0e |
---|
[4990] | 69 | REAL(wp), POINTER, DIMENSION(:,:,:) :: zviold, zvsold ! old ice volume... |
---|
| 70 | REAL(wp), POINTER, DIMENSION(:,:,:) :: zaiold, zhimax ! old ice concentration and thickness |
---|
| 71 | REAL(wp), POINTER, DIMENSION(:,:) :: zeiold, zesold ! old enthalpies |
---|
[4688] | 72 | REAL(wp) :: zdv, zda, zvi, zvs, zsmv, zes, zei |
---|
| 73 | ! |
---|
| 74 | REAL(wp) :: zvi_b, zsmv_b, zei_b, zfs_b, zfw_b, zft_b |
---|
[2715] | 75 | !!--------------------------------------------------------------------- |
---|
[4161] | 76 | IF( nn_timing == 1 ) CALL timing_start('limtrp') |
---|
[825] | 77 | |
---|
[4688] | 78 | CALL wrk_alloc( jpi, jpj, zui_u, zvi_v, zsm, zs0at, zs0ow, zeiold, zesold ) |
---|
[3294] | 79 | CALL wrk_alloc( jpi, jpj, jpl, zs0ice, zs0sn, zs0a, zs0c0 , zs0sm , zs0oi ) |
---|
[4873] | 80 | CALL wrk_alloc( jpi, jpj, nlay_i+1, jpl, zs0e ) |
---|
[825] | 81 | |
---|
[4688] | 82 | CALL wrk_alloc( jpi, jpj, jpl, zaiold, zhimax, zviold, zvsold ) ! clem |
---|
[4161] | 83 | |
---|
[2715] | 84 | IF( numit == nstart .AND. lwp ) THEN |
---|
| 85 | WRITE(numout,*) |
---|
| 86 | IF( ln_limdyn ) THEN ; WRITE(numout,*) 'lim_trp : Ice transport ' |
---|
| 87 | ELSE ; WRITE(numout,*) 'lim_trp : No ice advection as ln_limdyn = ', ln_limdyn |
---|
| 88 | ENDIF |
---|
| 89 | WRITE(numout,*) '~~~~~~~~~~~~' |
---|
| 90 | ENDIF |
---|
| 91 | |
---|
[825] | 92 | zsm(:,:) = area(:,:) |
---|
| 93 | |
---|
[2715] | 94 | ! !-------------------------------------! |
---|
| 95 | IF( ln_limdyn ) THEN ! Advection of sea ice properties ! |
---|
| 96 | ! !-------------------------------------! |
---|
[4688] | 97 | |
---|
| 98 | ! conservation test |
---|
| 99 | IF( ln_limdiahsb ) CALL lim_cons_hsm(0, 'limtrp', zvi_b, zsmv_b, zei_b, zfw_b, zfs_b, zft_b) |
---|
| 100 | |
---|
[4161] | 101 | ! mass and salt flux init (clem) |
---|
| 102 | zviold(:,:,:) = v_i(:,:,:) |
---|
[4688] | 103 | zeiold(:,:) = SUM( SUM( e_i(:,:,1:nlay_i,:), dim=4 ), dim=3 ) |
---|
| 104 | zesold(:,:) = SUM( SUM( e_s(:,:,1:nlay_s,:), dim=4 ), dim=3 ) |
---|
[825] | 105 | |
---|
[4161] | 106 | !--- Thickness correction init. (clem) ------------------------------- |
---|
| 107 | CALL lim_var_glo2eqv |
---|
| 108 | zaiold(:,:,:) = a_i(:,:,:) |
---|
| 109 | !--------------------------------------------------------------------- |
---|
| 110 | ! Record max of the surrounding ice thicknesses for correction in limupdate |
---|
| 111 | ! in case advection creates ice too thick. |
---|
| 112 | !--------------------------------------------------------------------- |
---|
| 113 | zhimax(:,:,:) = ht_i(:,:,:) |
---|
| 114 | DO jl = 1, jpl |
---|
| 115 | DO jj = 2, jpjm1 |
---|
| 116 | DO ji = 2, jpim1 |
---|
| 117 | zhimax(ji,jj,jl) = MAXVAL( ht_i(ji-1:ji+1,jj-1:jj+1,jl) ) |
---|
| 118 | !zhimax(ji,jj,jl) = ( ht_i(ji ,jj ,jl) * tmask(ji, jj ,1) + ht_i(ji-1,jj-1,jl) * tmask(ji-1,jj-1,1) + ht_i(ji+1,jj+1,jl) * tmask(ji+1,jj+1,1) & |
---|
| 119 | ! & + ht_i(ji-1,jj ,jl) * tmask(ji-1,jj ,1) + ht_i(ji ,jj-1,jl) * tmask(ji ,jj-1,1) & |
---|
| 120 | ! & + ht_i(ji+1,jj ,jl) * tmask(ji+1,jj ,1) + ht_i(ji ,jj+1,jl) * tmask(ji ,jj+1,1) & |
---|
| 121 | ! & + ht_i(ji-1,jj+1,jl) * tmask(ji-1,jj+1,1) + ht_i(ji+1,jj-1,jl) * tmask(ji+1,jj-1,1) ) |
---|
| 122 | END DO |
---|
| 123 | END DO |
---|
| 124 | CALL lbc_lnk(zhimax(:,:,jl),'T',1.) |
---|
| 125 | END DO |
---|
| 126 | |
---|
[825] | 127 | !------------------------- |
---|
[2715] | 128 | ! transported fields |
---|
[825] | 129 | !------------------------- |
---|
[2715] | 130 | ! Snow vol, ice vol, salt and age contents, area |
---|
| 131 | zs0ow(:,:) = ato_i(:,:) * area(:,:) ! Open water area |
---|
| 132 | DO jl = 1, jpl |
---|
| 133 | zs0sn (:,:,jl) = v_s (:,:,jl) * area(:,:) ! Snow volume |
---|
| 134 | zs0ice(:,:,jl) = v_i (:,:,jl) * area(:,:) ! Ice volume |
---|
| 135 | zs0a (:,:,jl) = a_i (:,:,jl) * area(:,:) ! Ice area |
---|
| 136 | zs0sm (:,:,jl) = smv_i(:,:,jl) * area(:,:) ! Salt content |
---|
| 137 | zs0oi (:,:,jl) = oa_i (:,:,jl) * area(:,:) ! Age content |
---|
| 138 | zs0c0 (:,:,jl) = e_s (:,:,1,jl) ! Snow heat content |
---|
| 139 | zs0e (:,:,:,jl) = e_i (:,:,:,jl) ! Ice heat content |
---|
[825] | 140 | END DO |
---|
| 141 | |
---|
[2715] | 142 | !-------------------------- |
---|
| 143 | ! Advection of Ice fields (Prather scheme) |
---|
| 144 | !-------------------------- |
---|
[825] | 145 | ! If ice drift field is too fast, use an appropriate time step for advection. |
---|
[2715] | 146 | ! CFL test for stability |
---|
| 147 | zcfl = MAXVAL( ABS( u_ice(:,:) ) * rdt_ice / e1u(:,:) ) |
---|
| 148 | zcfl = MAX( zcfl, MAXVAL( ABS( v_ice(:,:) ) * rdt_ice / e2v(:,:) ) ) |
---|
| 149 | IF(lk_mpp ) CALL mpp_max( zcfl ) |
---|
| 150 | !!gm more readability: |
---|
| 151 | ! IF( zcfl > 0.5 ) THEN ; initad = 2 ; zusnit = 0.5_wp |
---|
| 152 | ! ELSE ; initad = 1 ; zusnit = 1.0_wp |
---|
| 153 | ! ENDIF |
---|
| 154 | !!gm end |
---|
[4688] | 155 | initad = 1 + NINT( MAX( 0._wp, SIGN( 1._wp, zcfl-0.5 ) ) ) |
---|
[825] | 156 | zusnit = 1.0 / REAL( initad ) |
---|
[2715] | 157 | IF( zcfl > 0.5 .AND. lwp ) & |
---|
[3625] | 158 | WRITE(numout,*) 'lim_trp : CFL violation at day ', nday, ', cfl = ', zcfl, & |
---|
[2715] | 159 | & ': the ice time stepping is split in two' |
---|
[921] | 160 | |
---|
[2715] | 161 | IF( MOD( ( kt - 1) / nn_fsbc , 2 ) == 0 ) THEN !== odd ice time step: adv_x then adv_y ==! |
---|
[4877] | 162 | DO jn = 1,initad |
---|
[4688] | 163 | CALL lim_adv_x( zusnit, u_ice, 1._wp , zsm, zs0ow (:,:), sxopw(:,:), & !--- ice open water area |
---|
[2715] | 164 | & sxxopw(:,:), syopw(:,:), syyopw(:,:), sxyopw(:,:) ) |
---|
[4688] | 165 | CALL lim_adv_y( zusnit, v_ice, 0._wp, zsm, zs0ow (:,:), sxopw(:,:), & |
---|
[2715] | 166 | & sxxopw(:,:), syopw(:,:), syyopw(:,:), sxyopw(:,:) ) |
---|
[825] | 167 | DO jl = 1, jpl |
---|
[4688] | 168 | CALL lim_adv_x( zusnit, u_ice, 1._wp , zsm, zs0ice(:,:,jl), sxice(:,:,jl), & !--- ice volume --- |
---|
[2715] | 169 | & sxxice(:,:,jl), syice(:,:,jl), syyice(:,:,jl), sxyice(:,:,jl) ) |
---|
[4688] | 170 | CALL lim_adv_y( zusnit, v_ice, 0._wp, zsm, zs0ice(:,:,jl), sxice(:,:,jl), & |
---|
[2715] | 171 | & sxxice(:,:,jl), syice(:,:,jl), syyice(:,:,jl), sxyice(:,:,jl) ) |
---|
[4688] | 172 | CALL lim_adv_x( zusnit, u_ice, 1._wp , zsm, zs0sn (:,:,jl), sxsn (:,:,jl), & !--- snow volume --- |
---|
[2715] | 173 | & sxxsn (:,:,jl), sysn (:,:,jl), syysn (:,:,jl), sxysn (:,:,jl) ) |
---|
[4688] | 174 | CALL lim_adv_y( zusnit, v_ice, 0._wp, zsm, zs0sn (:,:,jl), sxsn (:,:,jl), & |
---|
[2715] | 175 | & sxxsn (:,:,jl), sysn (:,:,jl), syysn (:,:,jl), sxysn (:,:,jl) ) |
---|
[4688] | 176 | CALL lim_adv_x( zusnit, u_ice, 1._wp , zsm, zs0sm (:,:,jl), sxsal(:,:,jl), & !--- ice salinity --- |
---|
[2715] | 177 | & sxxsal(:,:,jl), sysal(:,:,jl), syysal(:,:,jl), sxysal(:,:,jl) ) |
---|
[4688] | 178 | CALL lim_adv_y( zusnit, v_ice, 0._wp, zsm, zs0sm (:,:,jl), sxsal(:,:,jl), & |
---|
[2715] | 179 | & sxxsal(:,:,jl), sysal(:,:,jl), syysal(:,:,jl), sxysal(:,:,jl) ) |
---|
[4688] | 180 | CALL lim_adv_x( zusnit, u_ice, 1._wp , zsm, zs0oi (:,:,jl), sxage(:,:,jl), & !--- ice age --- |
---|
[2715] | 181 | & sxxage(:,:,jl), syage(:,:,jl), syyage(:,:,jl), sxyage(:,:,jl) ) |
---|
[4688] | 182 | CALL lim_adv_y( zusnit, v_ice, 0._wp, zsm, zs0oi (:,:,jl), sxage(:,:,jl), & |
---|
[2715] | 183 | & sxxage(:,:,jl), syage(:,:,jl), syyage(:,:,jl), sxyage(:,:,jl) ) |
---|
[4688] | 184 | CALL lim_adv_x( zusnit, u_ice, 1._wp , zsm, zs0a (:,:,jl), sxa (:,:,jl), & !--- ice concentrations --- |
---|
[2715] | 185 | & sxxa (:,:,jl), sya (:,:,jl), syya (:,:,jl), sxya (:,:,jl) ) |
---|
[4688] | 186 | CALL lim_adv_y( zusnit, v_ice, 0._wp, zsm, zs0a (:,:,jl), sxa (:,:,jl), & |
---|
[2715] | 187 | & sxxa (:,:,jl), sya (:,:,jl), syya (:,:,jl), sxya (:,:,jl) ) |
---|
[4688] | 188 | CALL lim_adv_x( zusnit, u_ice, 1._wp , zsm, zs0c0 (:,:,jl), sxc0 (:,:,jl), & !--- snow heat contents --- |
---|
[2715] | 189 | & sxxc0 (:,:,jl), syc0 (:,:,jl), syyc0 (:,:,jl), sxyc0 (:,:,jl) ) |
---|
[4688] | 190 | CALL lim_adv_y( zusnit, v_ice, 0._wp, zsm, zs0c0 (:,:,jl), sxc0 (:,:,jl), & |
---|
[2715] | 191 | & sxxc0 (:,:,jl), syc0 (:,:,jl), syyc0 (:,:,jl), sxyc0 (:,:,jl) ) |
---|
[4870] | 192 | DO jk = 1, nlay_i !--- ice heat contents --- |
---|
| 193 | CALL lim_adv_x( zusnit, u_ice, 1._wp , zsm, zs0e(:,:,jk,jl), sxe (:,:,jk,jl), & |
---|
| 194 | & sxxe(:,:,jk,jl), sye (:,:,jk,jl), & |
---|
| 195 | & syye(:,:,jk,jl), sxye(:,:,jk,jl) ) |
---|
| 196 | CALL lim_adv_y( zusnit, v_ice, 0._wp, zsm, zs0e(:,:,jk,jl), sxe (:,:,jk,jl), & |
---|
| 197 | & sxxe(:,:,jk,jl), sye (:,:,jk,jl), & |
---|
| 198 | & syye(:,:,jk,jl), sxye(:,:,jk,jl) ) |
---|
[825] | 199 | END DO |
---|
| 200 | END DO |
---|
| 201 | END DO |
---|
| 202 | ELSE |
---|
[4877] | 203 | DO jn = 1, initad |
---|
[4688] | 204 | CALL lim_adv_y( zusnit, v_ice, 1._wp , zsm, zs0ow (:,:), sxopw(:,:), & !--- ice open water area |
---|
[2715] | 205 | & sxxopw(:,:), syopw(:,:), syyopw(:,:), sxyopw(:,:) ) |
---|
[4688] | 206 | CALL lim_adv_x( zusnit, u_ice, 0._wp, zsm, zs0ow (:,:), sxopw(:,:), & |
---|
[2715] | 207 | & sxxopw(:,:), syopw(:,:), syyopw(:,:), sxyopw(:,:) ) |
---|
[825] | 208 | DO jl = 1, jpl |
---|
[4688] | 209 | CALL lim_adv_y( zusnit, v_ice, 1._wp , zsm, zs0ice(:,:,jl), sxice(:,:,jl), & !--- ice volume --- |
---|
[2715] | 210 | & sxxice(:,:,jl), syice(:,:,jl), syyice(:,:,jl), sxyice(:,:,jl) ) |
---|
[4688] | 211 | CALL lim_adv_x( zusnit, u_ice, 0._wp, zsm, zs0ice(:,:,jl), sxice(:,:,jl), & |
---|
[2715] | 212 | & sxxice(:,:,jl), syice(:,:,jl), syyice(:,:,jl), sxyice(:,:,jl) ) |
---|
[4688] | 213 | CALL lim_adv_y( zusnit, v_ice, 1._wp , zsm, zs0sn (:,:,jl), sxsn (:,:,jl), & !--- snow volume --- |
---|
[2715] | 214 | & sxxsn (:,:,jl), sysn (:,:,jl), syysn (:,:,jl), sxysn (:,:,jl) ) |
---|
[4688] | 215 | CALL lim_adv_x( zusnit, u_ice, 0._wp, zsm, zs0sn (:,:,jl), sxsn (:,:,jl), & |
---|
[2715] | 216 | & sxxsn (:,:,jl), sysn (:,:,jl), syysn (:,:,jl), sxysn (:,:,jl) ) |
---|
[4688] | 217 | CALL lim_adv_y( zusnit, v_ice, 1._wp , zsm, zs0sm (:,:,jl), sxsal(:,:,jl), & !--- ice salinity --- |
---|
[2715] | 218 | & sxxsal(:,:,jl), sysal(:,:,jl), syysal(:,:,jl), sxysal(:,:,jl) ) |
---|
[4688] | 219 | CALL lim_adv_x( zusnit, u_ice, 0._wp, zsm, zs0sm (:,:,jl), sxsal(:,:,jl), & |
---|
[2715] | 220 | & sxxsal(:,:,jl), sysal(:,:,jl), syysal(:,:,jl), sxysal(:,:,jl) ) |
---|
| 221 | |
---|
[4688] | 222 | CALL lim_adv_y( zusnit, v_ice, 1._wp , zsm, zs0oi (:,:,jl), sxage(:,:,jl), & !--- ice age --- |
---|
[2715] | 223 | & sxxage(:,:,jl), syage(:,:,jl), syyage(:,:,jl), sxyage(:,:,jl) ) |
---|
[4688] | 224 | CALL lim_adv_x( zusnit, u_ice, 0._wp, zsm, zs0oi (:,:,jl), sxage(:,:,jl), & |
---|
[2715] | 225 | & sxxage(:,:,jl), syage(:,:,jl), syyage(:,:,jl), sxyage(:,:,jl) ) |
---|
[4688] | 226 | CALL lim_adv_y( zusnit, v_ice, 1._wp , zsm, zs0a (:,:,jl), sxa (:,:,jl), & !--- ice concentrations --- |
---|
[2715] | 227 | & sxxa (:,:,jl), sya (:,:,jl), syya (:,:,jl), sxya (:,:,jl) ) |
---|
[4688] | 228 | CALL lim_adv_x( zusnit, u_ice, 0._wp, zsm, zs0a (:,:,jl), sxa (:,:,jl), & |
---|
[2715] | 229 | & sxxa (:,:,jl), sya (:,:,jl), syya (:,:,jl), sxya (:,:,jl) ) |
---|
[4688] | 230 | CALL lim_adv_y( zusnit, v_ice, 1._wp , zsm, zs0c0 (:,:,jl), sxc0 (:,:,jl), & !--- snow heat contents --- |
---|
[2715] | 231 | & sxxc0 (:,:,jl), syc0 (:,:,jl), syyc0 (:,:,jl), sxyc0 (:,:,jl) ) |
---|
[4688] | 232 | CALL lim_adv_x( zusnit, u_ice, 0._wp, zsm, zs0c0 (:,:,jl), sxc0 (:,:,jl), & |
---|
[2715] | 233 | & sxxc0 (:,:,jl), syc0 (:,:,jl), syyc0 (:,:,jl), sxyc0 (:,:,jl) ) |
---|
[4870] | 234 | DO jk = 1, nlay_i !--- ice heat contents --- |
---|
| 235 | CALL lim_adv_y( zusnit, v_ice, 1._wp , zsm, zs0e(:,:,jk,jl), sxe (:,:,jk,jl), & |
---|
| 236 | & sxxe(:,:,jk,jl), sye (:,:,jk,jl), & |
---|
| 237 | & syye(:,:,jk,jl), sxye(:,:,jk,jl) ) |
---|
| 238 | CALL lim_adv_x( zusnit, u_ice, 0._wp, zsm, zs0e(:,:,jk,jl), sxe (:,:,jk,jl), & |
---|
| 239 | & sxxe(:,:,jk,jl), sye (:,:,jk,jl), & |
---|
| 240 | & syye(:,:,jk,jl), sxye(:,:,jk,jl) ) |
---|
[825] | 241 | END DO |
---|
| 242 | END DO |
---|
| 243 | END DO |
---|
| 244 | ENDIF |
---|
| 245 | |
---|
| 246 | !------------------------------------------- |
---|
| 247 | ! Recover the properties from their contents |
---|
| 248 | !------------------------------------------- |
---|
[2715] | 249 | zs0ow(:,:) = zs0ow(:,:) / area(:,:) |
---|
[825] | 250 | DO jl = 1, jpl |
---|
| 251 | zs0ice(:,:,jl) = zs0ice(:,:,jl) / area(:,:) |
---|
| 252 | zs0sn (:,:,jl) = zs0sn (:,:,jl) / area(:,:) |
---|
| 253 | zs0sm (:,:,jl) = zs0sm (:,:,jl) / area(:,:) |
---|
| 254 | zs0oi (:,:,jl) = zs0oi (:,:,jl) / area(:,:) |
---|
| 255 | zs0a (:,:,jl) = zs0a (:,:,jl) / area(:,:) |
---|
[4688] | 256 | ! |
---|
[825] | 257 | END DO |
---|
| 258 | |
---|
[921] | 259 | !------------------------------------------------------------------------------! |
---|
| 260 | ! 4) Diffusion of Ice fields |
---|
| 261 | !------------------------------------------------------------------------------! |
---|
[825] | 262 | |
---|
[2715] | 263 | !-------------------------------- |
---|
| 264 | ! diffusion of open water area |
---|
| 265 | !-------------------------------- |
---|
| 266 | zs0at(:,:) = zs0a(:,:,1) ! total ice fraction |
---|
| 267 | DO jl = 2, jpl |
---|
| 268 | zs0at(:,:) = zs0at(:,:) + zs0a(:,:,jl) |
---|
| 269 | END DO |
---|
| 270 | ! |
---|
| 271 | ! ! Masked eddy diffusivity coefficient at ocean U- and V-points |
---|
| 272 | DO jj = 1, jpjm1 ! NB: has not to be defined on jpj line and jpi row |
---|
| 273 | DO ji = 1 , fs_jpim1 ! vector opt. |
---|
[4688] | 274 | pahu(ji,jj) = ( 1._wp - MAX( 0._wp, SIGN( 1._wp, -zs0at(ji ,jj) ) ) ) & |
---|
| 275 | & * ( 1._wp - MAX( 0._wp, SIGN( 1._wp, -zs0at(ji+1,jj) ) ) ) * ahiu(ji,jj) |
---|
| 276 | pahv(ji,jj) = ( 1._wp - MAX( 0._wp, SIGN( 1._wp, -zs0at(ji,jj ) ) ) ) & |
---|
| 277 | & * ( 1._wp - MAX( 0._wp, SIGN( 1._wp,- zs0at(ji,jj+1) ) ) ) * ahiv(ji,jj) |
---|
[2715] | 278 | END DO |
---|
| 279 | END DO |
---|
| 280 | ! |
---|
| 281 | CALL lim_hdf( zs0ow (:,:) ) ! Diffusion |
---|
| 282 | |
---|
[921] | 283 | !------------------------------------ |
---|
[2715] | 284 | ! Diffusion of other ice variables |
---|
[921] | 285 | !------------------------------------ |
---|
[825] | 286 | DO jl = 1, jpl |
---|
[2715] | 287 | ! ! Masked eddy diffusivity coefficient at ocean U- and V-points |
---|
| 288 | DO jj = 1, jpjm1 ! NB: has not to be defined on jpj line and jpi row |
---|
| 289 | DO ji = 1 , fs_jpim1 ! vector opt. |
---|
[4688] | 290 | pahu(ji,jj) = ( 1._wp - MAX( 0._wp, SIGN( 1._wp, -zs0a(ji ,jj,jl) ) ) ) & |
---|
| 291 | & * ( 1._wp - MAX( 0._wp, SIGN( 1._wp, -zs0a(ji+1,jj,jl) ) ) ) * ahiu(ji,jj) |
---|
| 292 | pahv(ji,jj) = ( 1._wp - MAX( 0._wp, SIGN( 1._wp, -zs0a(ji,jj ,jl) ) ) ) & |
---|
| 293 | & * ( 1._wp - MAX( 0._wp, SIGN( 1._wp,- zs0a(ji,jj+1,jl) ) ) ) * ahiv(ji,jj) |
---|
[825] | 294 | END DO |
---|
[921] | 295 | END DO |
---|
[825] | 296 | |
---|
| 297 | CALL lim_hdf( zs0ice (:,:,jl) ) |
---|
| 298 | CALL lim_hdf( zs0sn (:,:,jl) ) |
---|
| 299 | CALL lim_hdf( zs0sm (:,:,jl) ) |
---|
| 300 | CALL lim_hdf( zs0oi (:,:,jl) ) |
---|
| 301 | CALL lim_hdf( zs0a (:,:,jl) ) |
---|
| 302 | CALL lim_hdf( zs0c0 (:,:,jl) ) |
---|
| 303 | DO jk = 1, nlay_i |
---|
| 304 | CALL lim_hdf( zs0e (:,:,jk,jl) ) |
---|
[2715] | 305 | END DO |
---|
| 306 | END DO |
---|
[825] | 307 | |
---|
[921] | 308 | !------------------------------------------------------------------------------! |
---|
| 309 | ! 5) Update and limit ice properties after transport |
---|
| 310 | !------------------------------------------------------------------------------! |
---|
[825] | 311 | |
---|
[921] | 312 | !-------------------------------------------------- |
---|
| 313 | ! 5.1) Recover mean values over the grid squares. |
---|
| 314 | !-------------------------------------------------- |
---|
[2715] | 315 | zs0at(:,:) = 0._wp |
---|
[825] | 316 | DO jl = 1, jpl |
---|
| 317 | DO jj = 1, jpj |
---|
| 318 | DO ji = 1, jpi |
---|
[4688] | 319 | zs0sn (ji,jj,jl) = MAX( 0._wp, zs0sn (ji,jj,jl) ) |
---|
| 320 | zs0ice(ji,jj,jl) = MAX( 0._wp, zs0ice(ji,jj,jl) ) |
---|
| 321 | zs0sm (ji,jj,jl) = MAX( 0._wp, zs0sm (ji,jj,jl) ) |
---|
| 322 | zs0oi (ji,jj,jl) = MAX( 0._wp, zs0oi (ji,jj,jl) ) |
---|
| 323 | zs0a (ji,jj,jl) = MAX( 0._wp, zs0a (ji,jj,jl) ) |
---|
| 324 | zs0c0 (ji,jj,jl) = MAX( 0._wp, zs0c0 (ji,jj,jl) ) |
---|
[825] | 325 | zs0at (ji,jj) = zs0at(ji,jj) + zs0a(ji,jj,jl) |
---|
| 326 | END DO |
---|
| 327 | END DO |
---|
| 328 | END DO |
---|
| 329 | |
---|
[921] | 330 | !--------------------------------------------------------- |
---|
[4688] | 331 | ! 5.2) Update and mask variables |
---|
[921] | 332 | !--------------------------------------------------------- |
---|
[4688] | 333 | DO jl = 1, jpl |
---|
[825] | 334 | DO jj = 1, jpj |
---|
| 335 | DO ji = 1, jpi |
---|
[4990] | 336 | rswitch = MAX( 0._wp , SIGN( 1._wp, zs0a(ji,jj,jl) - epsi10 ) ) |
---|
[4688] | 337 | |
---|
| 338 | zvi = zs0ice(ji,jj,jl) |
---|
| 339 | zvs = zs0sn (ji,jj,jl) |
---|
| 340 | zes = zs0c0 (ji,jj,jl) |
---|
| 341 | zsmv = zs0sm (ji,jj,jl) |
---|
[2715] | 342 | ! |
---|
[4688] | 343 | ! Remove very small areas |
---|
[4990] | 344 | v_s(ji,jj,jl) = rswitch * zs0sn (ji,jj,jl) |
---|
| 345 | v_i(ji,jj,jl) = rswitch * zs0ice(ji,jj,jl) |
---|
| 346 | a_i(ji,jj,jl) = rswitch * zs0a (ji,jj,jl) |
---|
| 347 | e_s(ji,jj,1,jl) = rswitch * zs0c0 (ji,jj,jl) |
---|
[4688] | 348 | ! Ice salinity and age |
---|
| 349 | IF( num_sal == 2 ) THEN |
---|
| 350 | smv_i(ji,jj,jl) = MAX( MIN( s_i_max * v_i(ji,jj,jl), zsmv ), s_i_min * v_i(ji,jj,jl) ) |
---|
| 351 | ENDIF |
---|
[4990] | 352 | oa_i(ji,jj,jl) = MAX( rswitch * zs0oi(ji,jj,jl) / MAX( a_i(ji,jj,jl), epsi10 ), 0._wp ) * a_i(ji,jj,jl) |
---|
[4688] | 353 | |
---|
| 354 | ! Update fluxes |
---|
| 355 | wfx_res(ji,jj) = wfx_res(ji,jj) - ( v_i(ji,jj,jl) - zvi ) * rhoic * r1_rdtice |
---|
| 356 | wfx_snw(ji,jj) = wfx_snw(ji,jj) - ( v_s(ji,jj,jl) - zvs ) * rhosn * r1_rdtice |
---|
| 357 | sfx_res(ji,jj) = sfx_res(ji,jj) - ( smv_i(ji,jj,jl) - zsmv ) * rhoic * r1_rdtice |
---|
| 358 | hfx_res(ji,jj) = hfx_res(ji,jj) + ( e_s(ji,jj,1,jl) - zes ) * unit_fac / area(ji,jj) * r1_rdtice ! W.m-2 <0 |
---|
[4161] | 359 | END DO |
---|
| 360 | END DO |
---|
| 361 | END DO |
---|
| 362 | |
---|
[4688] | 363 | DO jl = 1, jpl |
---|
| 364 | DO jk = 1, nlay_i |
---|
| 365 | DO jj = 1, jpj |
---|
| 366 | DO ji = 1, jpi |
---|
[4990] | 367 | rswitch = MAX( 0._wp , SIGN( 1._wp, zs0a(ji,jj,jl) - epsi10 ) ) |
---|
[4688] | 368 | zei = zs0e(ji,jj,jk,jl) |
---|
[4990] | 369 | e_i(ji,jj,jk,jl) = rswitch * MAX( 0._wp, zs0e(ji,jj,jk,jl) ) |
---|
[4688] | 370 | ! Update fluxes |
---|
| 371 | hfx_res(ji,jj) = hfx_res(ji,jj) + ( e_i(ji,jj,jk,jl) - zei ) * unit_fac / area(ji,jj) * r1_rdtice ! W.m-2 <0 |
---|
| 372 | END DO !ji |
---|
| 373 | END DO ! jj |
---|
| 374 | END DO ! jk |
---|
| 375 | END DO ! jl |
---|
| 376 | |
---|
[4161] | 377 | !--- Thickness correction in case too high (clem) -------------------------------------------------------- |
---|
| 378 | CALL lim_var_glo2eqv |
---|
| 379 | DO jl = 1, jpl |
---|
| 380 | DO jj = 1, jpj |
---|
| 381 | DO ji = 1, jpi |
---|
| 382 | |
---|
| 383 | IF ( v_i(ji,jj,jl) > 0._wp ) THEN |
---|
[4688] | 384 | zvi = v_i (ji,jj,jl) |
---|
| 385 | zvs = v_s (ji,jj,jl) |
---|
| 386 | zsmv = smv_i(ji,jj,jl) |
---|
| 387 | zes = e_s (ji,jj,1,jl) |
---|
[4990] | 388 | zei = SUM( e_i(ji,jj,1:nlay_i,jl) ) |
---|
[4688] | 389 | zdv = v_i(ji,jj,jl) - zviold(ji,jj,jl) |
---|
[4161] | 390 | !zda = a_i(ji,jj,jl) - zaiold(ji,jj,jl) |
---|
| 391 | |
---|
[4990] | 392 | rswitch = 1._wp |
---|
[4161] | 393 | IF ( ( zdv > 0.0 .AND. ht_i(ji,jj,jl) > zhimax(ji,jj,jl) .AND. SUM( zaiold(ji,jj,1:jpl) ) < 0.80 ) .OR. & |
---|
| 394 | & ( zdv < 0.0 .AND. ht_i(ji,jj,jl) > zhimax(ji,jj,jl) ) ) THEN |
---|
| 395 | ht_i(ji,jj,jl) = MIN( zhimax(ji,jj,jl), hi_max(jl) ) |
---|
[4990] | 396 | rswitch = MAX( 0._wp, SIGN( 1._wp, ht_i(ji,jj,jl) - epsi20 ) ) |
---|
| 397 | a_i(ji,jj,jl) = rswitch * v_i(ji,jj,jl) / MAX( ht_i(ji,jj,jl), epsi20 ) |
---|
[4161] | 398 | ELSE |
---|
| 399 | ht_i(ji,jj,jl) = MAX( MIN( ht_i(ji,jj,jl), hi_max(jl) ), hi_max(jl-1) ) |
---|
[4990] | 400 | rswitch = MAX( 0._wp, SIGN( 1._wp, ht_i(ji,jj,jl) - epsi20 ) ) |
---|
| 401 | a_i(ji,jj,jl) = rswitch * v_i(ji,jj,jl) / MAX( ht_i(ji,jj,jl), epsi20 ) |
---|
[4161] | 402 | ENDIF |
---|
| 403 | |
---|
[4990] | 404 | ! small correction due to *rswitch for a_i |
---|
| 405 | v_i (ji,jj,jl) = rswitch * v_i (ji,jj,jl) |
---|
| 406 | v_s (ji,jj,jl) = rswitch * v_s (ji,jj,jl) |
---|
| 407 | smv_i(ji,jj,jl) = rswitch * smv_i(ji,jj,jl) |
---|
| 408 | e_s(ji,jj,1,jl) = rswitch * e_s(ji,jj,1,jl) |
---|
| 409 | e_i(ji,jj,1:nlay_i,jl) = rswitch * e_i(ji,jj,1:nlay_i,jl) |
---|
[4161] | 410 | |
---|
| 411 | ! Update mass fluxes |
---|
[4688] | 412 | wfx_res(ji,jj) = wfx_res(ji,jj) - ( v_i(ji,jj,jl) - zvi ) * rhoic * r1_rdtice |
---|
| 413 | wfx_snw(ji,jj) = wfx_snw(ji,jj) - ( v_s(ji,jj,jl) - zvs ) * rhosn * r1_rdtice |
---|
| 414 | sfx_res(ji,jj) = sfx_res(ji,jj) - ( smv_i(ji,jj,jl) - zsmv ) * rhoic * r1_rdtice |
---|
| 415 | hfx_res(ji,jj) = hfx_res(ji,jj) + ( e_s(ji,jj,1,jl) - zes ) * unit_fac / area(ji,jj) * r1_rdtice ! W.m-2 <0 |
---|
[4990] | 416 | hfx_res(ji,jj) = hfx_res(ji,jj) + ( SUM( e_i(ji,jj,1:nlay_i,jl) ) - zei ) * unit_fac / area(ji,jj) * r1_rdtice ! W.m-2 <0 |
---|
[4161] | 417 | ENDIF |
---|
[825] | 418 | END DO |
---|
| 419 | END DO |
---|
| 420 | END DO |
---|
[4688] | 421 | ! ------------------------------------------------- |
---|
[825] | 422 | |
---|
[4688] | 423 | ! --- diags --- |
---|
[825] | 424 | DO jj = 1, jpj |
---|
| 425 | DO ji = 1, jpi |
---|
[4688] | 426 | diag_trp_ei(ji,jj) = ( SUM( e_i(ji,jj,1:nlay_i,:) ) - zeiold(ji,jj) ) / area(ji,jj) * unit_fac * r1_rdtice |
---|
| 427 | diag_trp_es(ji,jj) = ( SUM( e_s(ji,jj,1:nlay_s,:) ) - zesold(ji,jj) ) / area(ji,jj) * unit_fac * r1_rdtice |
---|
[4990] | 428 | |
---|
| 429 | diag_trp_vi(ji,jj) = SUM( v_i(ji,jj,:) - zviold(ji,jj,:) ) * r1_rdtice |
---|
| 430 | diag_trp_vs(ji,jj) = SUM( v_s(ji,jj,:) - zvsold(ji,jj,:) ) * r1_rdtice |
---|
[825] | 431 | END DO |
---|
| 432 | END DO |
---|
| 433 | |
---|
[4990] | 434 | ! --- agglomerate variables ----------------- |
---|
[4688] | 435 | vt_i (:,:) = 0._wp |
---|
| 436 | vt_s (:,:) = 0._wp |
---|
| 437 | at_i (:,:) = 0._wp |
---|
| 438 | ! |
---|
[825] | 439 | DO jl = 1, jpl |
---|
| 440 | DO jj = 1, jpj |
---|
| 441 | DO ji = 1, jpi |
---|
[4688] | 442 | ! |
---|
| 443 | vt_i(ji,jj) = vt_i(ji,jj) + v_i(ji,jj,jl) ! ice volume |
---|
| 444 | vt_s(ji,jj) = vt_s(ji,jj) + v_s(ji,jj,jl) ! snow volume |
---|
| 445 | at_i(ji,jj) = at_i(ji,jj) + a_i(ji,jj,jl) ! ice concentration |
---|
| 446 | END DO |
---|
| 447 | END DO |
---|
| 448 | END DO |
---|
| 449 | ! ------------------------------------------------- |
---|
[825] | 450 | |
---|
[4688] | 451 | ! open water |
---|
[4161] | 452 | DO jj = 1, jpj |
---|
| 453 | DO ji = 1, jpi |
---|
[4688] | 454 | ! open water = 1 if at_i=0 |
---|
[4990] | 455 | rswitch = MAX( 0._wp , SIGN( 1._wp, - at_i(ji,jj) ) ) |
---|
| 456 | ato_i(ji,jj) = rswitch + (1._wp - rswitch ) * zs0ow(ji,jj) |
---|
[4161] | 457 | END DO |
---|
[4688] | 458 | END DO |
---|
[4161] | 459 | |
---|
[4688] | 460 | ! conservation test |
---|
| 461 | IF( ln_limdiahsb ) CALL lim_cons_hsm(1, 'limtrp', zvi_b, zsmv_b, zei_b, zfw_b, zfs_b, zft_b) |
---|
[4161] | 462 | |
---|
[825] | 463 | ENDIF |
---|
| 464 | |
---|
[863] | 465 | IF(ln_ctl) THEN ! Control print |
---|
[867] | 466 | CALL prt_ctl_info(' ') |
---|
| 467 | CALL prt_ctl_info(' - Cell values : ') |
---|
| 468 | CALL prt_ctl_info(' ~~~~~~~~~~~~~ ') |
---|
[863] | 469 | CALL prt_ctl(tab2d_1=area , clinfo1=' lim_trp : cell area :') |
---|
| 470 | CALL prt_ctl(tab2d_1=at_i , clinfo1=' lim_trp : at_i :') |
---|
| 471 | CALL prt_ctl(tab2d_1=vt_i , clinfo1=' lim_trp : vt_i :') |
---|
| 472 | CALL prt_ctl(tab2d_1=vt_s , clinfo1=' lim_trp : vt_s :') |
---|
| 473 | DO jl = 1, jpl |
---|
[867] | 474 | CALL prt_ctl_info(' ') |
---|
[863] | 475 | CALL prt_ctl_info(' - Category : ', ivar1=jl) |
---|
| 476 | CALL prt_ctl_info(' ~~~~~~~~~~') |
---|
| 477 | CALL prt_ctl(tab2d_1=a_i (:,:,jl) , clinfo1= ' lim_trp : a_i : ') |
---|
| 478 | CALL prt_ctl(tab2d_1=ht_i (:,:,jl) , clinfo1= ' lim_trp : ht_i : ') |
---|
| 479 | CALL prt_ctl(tab2d_1=ht_s (:,:,jl) , clinfo1= ' lim_trp : ht_s : ') |
---|
| 480 | CALL prt_ctl(tab2d_1=v_i (:,:,jl) , clinfo1= ' lim_trp : v_i : ') |
---|
| 481 | CALL prt_ctl(tab2d_1=v_s (:,:,jl) , clinfo1= ' lim_trp : v_s : ') |
---|
| 482 | CALL prt_ctl(tab2d_1=e_s (:,:,1,jl) , clinfo1= ' lim_trp : e_s : ') |
---|
| 483 | CALL prt_ctl(tab2d_1=t_su (:,:,jl) , clinfo1= ' lim_trp : t_su : ') |
---|
| 484 | CALL prt_ctl(tab2d_1=t_s (:,:,1,jl) , clinfo1= ' lim_trp : t_snow : ') |
---|
| 485 | CALL prt_ctl(tab2d_1=sm_i (:,:,jl) , clinfo1= ' lim_trp : sm_i : ') |
---|
| 486 | CALL prt_ctl(tab2d_1=smv_i (:,:,jl) , clinfo1= ' lim_trp : smv_i : ') |
---|
| 487 | DO jk = 1, nlay_i |
---|
[867] | 488 | CALL prt_ctl_info(' ') |
---|
[863] | 489 | CALL prt_ctl_info(' - Layer : ', ivar1=jk) |
---|
| 490 | CALL prt_ctl_info(' ~~~~~~~') |
---|
| 491 | CALL prt_ctl(tab2d_1=t_i(:,:,jk,jl) , clinfo1= ' lim_trp : t_i : ') |
---|
| 492 | CALL prt_ctl(tab2d_1=e_i(:,:,jk,jl) , clinfo1= ' lim_trp : e_i : ') |
---|
| 493 | END DO |
---|
| 494 | END DO |
---|
| 495 | ENDIF |
---|
[2715] | 496 | ! |
---|
[4688] | 497 | CALL wrk_dealloc( jpi, jpj, zui_u, zvi_v, zsm, zs0at, zs0ow, zeiold, zesold ) |
---|
[3294] | 498 | CALL wrk_dealloc( jpi, jpj, jpl, zs0ice, zs0sn, zs0a, zs0c0 , zs0sm , zs0oi ) |
---|
[4873] | 499 | CALL wrk_dealloc( jpi, jpj, nlay_i+1, jpl, zs0e ) |
---|
[4161] | 500 | |
---|
[4688] | 501 | CALL wrk_dealloc( jpi, jpj, jpl, zviold, zvsold, zaiold, zhimax ) ! clem |
---|
[2715] | 502 | ! |
---|
[4161] | 503 | IF( nn_timing == 1 ) CALL timing_stop('limtrp') |
---|
[825] | 504 | END SUBROUTINE lim_trp |
---|
| 505 | |
---|
| 506 | #else |
---|
| 507 | !!---------------------------------------------------------------------- |
---|
| 508 | !! Default option Empty Module No sea-ice model |
---|
| 509 | !!---------------------------------------------------------------------- |
---|
| 510 | CONTAINS |
---|
| 511 | SUBROUTINE lim_trp ! Empty routine |
---|
| 512 | END SUBROUTINE lim_trp |
---|
| 513 | #endif |
---|
| 514 | |
---|
| 515 | !!====================================================================== |
---|
| 516 | END MODULE limtrp |
---|