[825] | 1 | MODULE limtrp |
---|
| 2 | !!====================================================================== |
---|
| 3 | !! *** MODULE limtrp *** |
---|
| 4 | !! LIM transport ice model : sea-ice advection/diffusion |
---|
| 5 | !!====================================================================== |
---|
| 6 | #if defined key_lim3 |
---|
| 7 | !!---------------------------------------------------------------------- |
---|
[834] | 8 | !! 'key_lim3' LIM3 sea-ice model |
---|
[825] | 9 | !!---------------------------------------------------------------------- |
---|
| 10 | !! lim_trp : advection/diffusion process of sea ice |
---|
| 11 | !! lim_trp_init : initialization and namelist read |
---|
| 12 | !!---------------------------------------------------------------------- |
---|
| 13 | !! * Modules used |
---|
| 14 | USE phycst |
---|
| 15 | USE dom_oce |
---|
| 16 | USE daymod |
---|
| 17 | USE in_out_manager ! I/O manager |
---|
| 18 | USE ice_oce ! ice variables |
---|
[888] | 19 | USE sbc_oce ! Surface boundary condition: ocean fields |
---|
[825] | 20 | USE dom_ice |
---|
| 21 | USE ice |
---|
| 22 | USE iceini |
---|
| 23 | USE limistate |
---|
| 24 | USE limadv |
---|
| 25 | USE limhdf |
---|
| 26 | USE lbclnk |
---|
| 27 | USE lib_mpp |
---|
| 28 | USE par_ice |
---|
[863] | 29 | USE prtctl ! Print control |
---|
[825] | 30 | |
---|
| 31 | IMPLICIT NONE |
---|
| 32 | PRIVATE |
---|
| 33 | |
---|
| 34 | !! * Routine accessibility |
---|
| 35 | PUBLIC lim_trp ! called by ice_step |
---|
| 36 | |
---|
| 37 | !! * Shared module variables |
---|
| 38 | REAL(wp), PUBLIC :: & !: |
---|
| 39 | bound = 0.e0 !: boundary condit. (0.0 no-slip, 1.0 free-slip) |
---|
| 40 | |
---|
| 41 | !! * Module variables |
---|
| 42 | REAL(wp) :: & ! constant values |
---|
| 43 | epsi06 = 1.e-06 , & |
---|
| 44 | epsi03 = 1.e-03 , & |
---|
| 45 | epsi16 = 1.e-16 , & |
---|
| 46 | rzero = 0.e0 , & |
---|
| 47 | rone = 1.e0 , & |
---|
| 48 | zeps10 = 1.e-10 |
---|
| 49 | |
---|
| 50 | !! * Substitution |
---|
| 51 | # include "vectopt_loop_substitute.h90" |
---|
| 52 | !!---------------------------------------------------------------------- |
---|
[834] | 53 | !! LIM 3.0, UCL-ASTR-LOCEAN-IPSL (2008) |
---|
[888] | 54 | !! $ Id: $ |
---|
| 55 | !! Software governed by the CeCILL licence (modipsl/doc/NEMO_CeCILL.txt) |
---|
[825] | 56 | !!---------------------------------------------------------------------- |
---|
| 57 | CONTAINS |
---|
| 58 | |
---|
| 59 | SUBROUTINE lim_trp |
---|
| 60 | !!------------------------------------------------------------------- |
---|
| 61 | !! *** ROUTINE lim_trp *** |
---|
| 62 | !! |
---|
| 63 | !! ** purpose : advection/diffusion process of sea ice |
---|
| 64 | !! |
---|
| 65 | !! ** method : variables included in the process are scalar, |
---|
| 66 | !! other values are considered as second order. |
---|
| 67 | !! For advection, a second order Prather scheme is used. |
---|
| 68 | !! |
---|
| 69 | !! ** action : |
---|
| 70 | !! |
---|
| 71 | !! History : |
---|
| 72 | !! 1.0 ! 00-01 (M.A. Morales Maqueda, H. Goosse, and T. Fichefet) Original code |
---|
| 73 | !! ! 01-05 (G. Madec, R. Hordoir) opa norm |
---|
| 74 | !! 2.0 ! 04-01 (G. Madec, C. Ethe) F90, mpp |
---|
| 75 | !! 3.0 ! 05-11 (M. Vancoppenolle) Multi-layer sea ice, salinity variations |
---|
| 76 | !!--------------------------------------------------------------------- |
---|
| 77 | !! * Local Variables |
---|
[834] | 78 | INTEGER :: ji, jj, jk, jl, layer, & ! dummy loop indices |
---|
[825] | 79 | initad ! number of sub-timestep for the advection |
---|
| 80 | INTEGER :: ji_maxu, ji_maxv, jj_maxu, jj_maxv |
---|
| 81 | |
---|
| 82 | REAL(wp) :: & |
---|
| 83 | zindb , & |
---|
[834] | 84 | zindsn , & |
---|
| 85 | zindic , & |
---|
| 86 | zusvosn, & |
---|
| 87 | zusvoic, & |
---|
| 88 | zvbord , & |
---|
| 89 | zcfl , & |
---|
| 90 | zusnit , & |
---|
| 91 | zrtt, zsal, zage, & |
---|
| 92 | zbigval, ze, & |
---|
[825] | 93 | zmaxu, zmaxv |
---|
| 94 | |
---|
| 95 | REAL(wp), DIMENSION(jpi,jpj) :: & ! temporary workspace |
---|
| 96 | zui_u , zvi_v , zsm , & |
---|
| 97 | zs0at, zs0ow |
---|
| 98 | |
---|
| 99 | REAL(wp), DIMENSION(jpi,jpj,jpl):: & ! temporary workspace |
---|
| 100 | zs0ice, zs0sn, zs0a , & |
---|
[834] | 101 | zs0c0 , & |
---|
[825] | 102 | zs0sm , zs0oi |
---|
| 103 | |
---|
| 104 | ! MHE Multilayer heat content |
---|
| 105 | REAL(wp), DIMENSION(jpi,jpj,jkmax,jpl) :: & ! temporary workspace |
---|
| 106 | zs0e |
---|
| 107 | |
---|
| 108 | !--------------------------------------------------------------------- |
---|
| 109 | |
---|
| 110 | IF( numit == nstart ) CALL lim_trp_init ! Initialization (first time-step only) |
---|
| 111 | |
---|
| 112 | zsm(:,:) = area(:,:) |
---|
| 113 | |
---|
| 114 | IF( ln_limdyn ) THEN |
---|
| 115 | WRITE(numout,*) |
---|
| 116 | WRITE(numout,*) ' lim_trp : Ice Advection' |
---|
| 117 | WRITE(numout,*) ' ~~~~~~~' |
---|
| 118 | |
---|
| 119 | !-----------------------------------------------------------------------------! |
---|
| 120 | ! 1) CFL Test |
---|
| 121 | !-----------------------------------------------------------------------------! |
---|
| 122 | |
---|
| 123 | !------------------------------------------ |
---|
| 124 | ! ice velocities at ocean U- and V-points |
---|
| 125 | !------------------------------------------ |
---|
| 126 | |
---|
| 127 | ! zvbord factor between 1 and 2 to take into account slip or no-slip boundary conditions. |
---|
| 128 | zvbord = 1.0 + ( 1.0 - bound ) |
---|
| 129 | DO jj = 1, jpjm1 |
---|
[868] | 130 | DO ji = 1, fs_jpim1 |
---|
[825] | 131 | zui_u(ji,jj) = u_ice(ji,jj) |
---|
| 132 | zvi_v(ji,jj) = v_ice(ji,jj) |
---|
| 133 | END DO |
---|
| 134 | END DO |
---|
| 135 | |
---|
| 136 | ! Lateral boundary conditions |
---|
| 137 | CALL lbc_lnk( zui_u, 'U', -1. ) |
---|
| 138 | CALL lbc_lnk( zvi_v, 'V', -1. ) |
---|
| 139 | |
---|
| 140 | !------------------------- |
---|
| 141 | ! CFL test for stability |
---|
| 142 | !------------------------- |
---|
| 143 | |
---|
| 144 | zcfl = 0.e0 |
---|
| 145 | zcfl = MAX( zcfl, MAXVAL( ABS( zui_u(1:jpim1, : ) ) * rdt_ice / e1u(1:jpim1, : ) ) ) |
---|
| 146 | zcfl = MAX( zcfl, MAXVAL( ABS( zvi_v( : ,1:jpjm1) ) * rdt_ice / e2v( : ,1:jpjm1) ) ) |
---|
| 147 | |
---|
| 148 | zmaxu = 0.0 |
---|
| 149 | zmaxv = 0.0 |
---|
| 150 | DO ji = 1, jpim1 |
---|
| 151 | DO jj = 1, jpjm1 |
---|
| 152 | IF ( (ABS(zui_u(ji,jj)) .GT. zmaxu) ) THEN |
---|
| 153 | zmaxu = MAX(zui_u(ji,jj), zmaxu ) |
---|
| 154 | ji_maxu = ji |
---|
| 155 | jj_maxu = jj |
---|
| 156 | ENDIF |
---|
| 157 | IF ( (ABS(zvi_v(ji,jj)) .GT. zmaxv) ) THEN |
---|
| 158 | zmaxv = MAX(zvi_v(ji,jj), zmaxv ) |
---|
| 159 | ji_maxv = ji |
---|
| 160 | jj_maxv = jj |
---|
| 161 | ENDIF |
---|
| 162 | END DO |
---|
| 163 | END DO |
---|
| 164 | |
---|
| 165 | IF (lk_mpp ) CALL mpp_max(zcfl) |
---|
| 166 | |
---|
| 167 | IF ( zcfl > 0.5 .AND. lwp ) & |
---|
| 168 | WRITE(numout,*) 'lim_trp : violation of cfl criterion the ',nday,'th day, cfl = ',zcfl |
---|
| 169 | |
---|
| 170 | !-----------------------------------------------------------------------------! |
---|
| 171 | ! 2) Computation of transported fields |
---|
| 172 | !-----------------------------------------------------------------------------! |
---|
| 173 | |
---|
| 174 | !------------------------------------------------------ |
---|
| 175 | ! 1.1) Snow vol, ice vol, salt and age contents, area |
---|
| 176 | !------------------------------------------------------ |
---|
| 177 | |
---|
| 178 | zs0ow (:,:) = ato_i(:,:) * area(:,:) ! Open water area |
---|
| 179 | DO jl = 1, jpl !sum over thickness categories |
---|
| 180 | ! area -> is the unmasked and masked area of T-grid cell |
---|
| 181 | zs0sn (:,:,jl) = v_s(:,:,jl) * area(:,:) ! Snow volume. |
---|
| 182 | zs0ice(:,:,jl) = v_i(:,:,jl) * area(:,:) ! Ice volume. |
---|
| 183 | zs0a (:,:,jl) = a_i(:,:,jl) * area(:,:) ! Ice area |
---|
| 184 | zs0sm (:,:,jl) = smv_i(:,:,jl) * area(:,:) ! Salt content |
---|
| 185 | zs0oi (:,:,jl) = oa_i (:,:,jl) * area(:,:) ! Age content |
---|
| 186 | |
---|
| 187 | !---------------------------------- |
---|
| 188 | ! 1.2) Ice and snow heat contents |
---|
| 189 | !---------------------------------- |
---|
| 190 | |
---|
| 191 | zs0c0 (:,:,jl) = e_s(:,:,1,jl) ! Snow heat cont. |
---|
| 192 | DO jk = 1, nlay_i |
---|
| 193 | zs0e(:,:,jk,jl) = e_i(:,:,jk,jl) ! Ice heat content |
---|
| 194 | END DO |
---|
| 195 | END DO |
---|
| 196 | |
---|
| 197 | !-----------------------------------------------------------------------------! |
---|
| 198 | ! 3) Advection of Ice fields |
---|
| 199 | !-----------------------------------------------------------------------------! |
---|
| 200 | |
---|
| 201 | ! If ice drift field is too fast, use an appropriate time step for advection. |
---|
| 202 | initad = 1 + INT( MAX( rzero, SIGN( rone, zcfl-0.5 ) ) ) |
---|
| 203 | zusnit = 1.0 / REAL( initad ) |
---|
| 204 | |
---|
| 205 | IF ( MOD( nday , 2 ) == 0) THEN |
---|
| 206 | DO jk = 1,initad |
---|
| 207 | !--- ice open water area |
---|
| 208 | CALL lim_adv_x( zusnit, zui_u, rone , zsm, zs0ow(:,:) , sxopw(:,:) , & |
---|
| 209 | sxxopw(:,:), syopw(:,:) , & |
---|
| 210 | syyopw(:,:), sxopw(:,:) ) |
---|
| 211 | CALL lim_adv_y( zusnit, zvi_v, rzero, zsm, zs0ow(:,:) , sxopw (:,:) , & |
---|
| 212 | sxxopw(:,:), syopw (:,:) , & |
---|
| 213 | syyopw(:,:), sxyopw(:,:) ) |
---|
| 214 | DO jl = 1, jpl |
---|
| 215 | !--- ice volume --- |
---|
| 216 | CALL lim_adv_x( zusnit, zui_u, rone , zsm, zs0ice(:,:,jl) , sxice (:,:,jl) , & |
---|
| 217 | sxxice(:,:,jl) , syice (:,:,jl) , & |
---|
| 218 | syyice(:,:,jl) , sxyice(:,:,jl) ) |
---|
| 219 | CALL lim_adv_y( zusnit, zvi_v, rzero, zsm, zs0ice(:,:,jl) , sxice (:,:,jl) , & |
---|
| 220 | sxxice(:,:,jl) , syice (:,:,jl) , & |
---|
| 221 | syyice(:,:,jl) , sxyice(:,:,jl) ) |
---|
| 222 | !--- snow volume --- |
---|
| 223 | CALL lim_adv_x( zusnit, zui_u, rone , zsm, zs0sn (:,:,jl) , sxsn (:,:,jl) , & |
---|
| 224 | sxxsn (:,:,jl) , sysn (:,:,jl) , & |
---|
| 225 | syysn (:,:,jl) , sxysn (:,:,jl) ) |
---|
| 226 | CALL lim_adv_y( zusnit, zvi_v, rzero, zsm, zs0sn (:,:,jl) , sxsn (:,:,jl) , & |
---|
| 227 | sxxsn (:,:,jl) , sysn (:,:,jl) , & |
---|
| 228 | syysn (:,:,jl) , sxysn (:,:,jl) ) |
---|
| 229 | !--- ice salinity --- |
---|
| 230 | CALL lim_adv_x( zusnit, zui_u, rone , zsm, zs0sm (:,:,jl) , sxsal (:,:,jl) , & |
---|
| 231 | sxxsal(:,:,jl) , sysal (:,:,jl) , & |
---|
| 232 | syysal(:,:,jl) , sxysal(:,:,jl) ) |
---|
| 233 | CALL lim_adv_y( zusnit, zvi_v, rzero, zsm, zs0sm (:,:,jl) , sxsal (:,:,jl) , & |
---|
| 234 | sxxsal(:,:,jl) , sysal (:,:,jl) , & |
---|
| 235 | syysal(:,:,jl) , sxysal(:,:,jl) ) |
---|
| 236 | !--- ice age --- |
---|
| 237 | CALL lim_adv_x( zusnit, zui_u, rone , zsm, zs0oi (:,:,jl) , sxage (:,:,jl) , & |
---|
| 238 | sxxage(:,:,jl) , syage (:,:,jl) , & |
---|
| 239 | syyage(:,:,jl) , sxyage(:,:,jl) ) |
---|
| 240 | CALL lim_adv_y( zusnit, zvi_v, rzero, zsm, zs0oi (:,:,jl) , sxage (:,:,jl) , & |
---|
| 241 | sxxage(:,:,jl) , syage (:,:,jl) , & |
---|
| 242 | syyage(:,:,jl) , sxyage(:,:,jl) ) |
---|
| 243 | !--- ice concentrations --- |
---|
| 244 | CALL lim_adv_x( zusnit, zui_u, rone , zsm, zs0a (:,:,jl) , sxa (:,:,jl) , & |
---|
| 245 | sxxa (:,:,jl) , sya (:,:,jl) , & |
---|
| 246 | syya (:,:,jl) , sxya (:,:,jl) ) |
---|
| 247 | CALL lim_adv_y( zusnit, zvi_v, rzero, zsm, zs0a (:,:,jl) , sxa (:,:,jl) , & |
---|
| 248 | sxxa (:,:,jl) , sya (:,:,jl) , & |
---|
| 249 | syya (:,:,jl) , sxya (:,:,jl) ) |
---|
| 250 | !--- ice / snow thermal energetic contents --- |
---|
| 251 | CALL lim_adv_x( zusnit, zui_u, rone , zsm, zs0c0 (:,:,jl) , sxc0 (:,:,jl) , & |
---|
| 252 | sxxc0 (:,:,jl) , syc0 (:,:,jl) , & |
---|
| 253 | syyc0 (:,:,jl) , sxyc0 (:,:,jl) ) |
---|
| 254 | CALL lim_adv_y( zusnit, zvi_v, rzero, zsm, zs0c0 (:,:,jl) , sxc0 (:,:,jl) , & |
---|
| 255 | sxxc0 (:,:,jl) , syc0 (:,:,jl) , & |
---|
| 256 | syyc0 (:,:,jl) , sxyc0 (:,:,jl) ) |
---|
| 257 | DO layer = 1, nlay_i |
---|
| 258 | CALL lim_adv_x( zusnit, zui_u, rone , zsm, & |
---|
| 259 | zs0e(:,:,layer,jl) , sxe (:,:,layer,jl) , & |
---|
| 260 | sxxe(:,:,layer,jl) , sye (:,:,layer,jl) , & |
---|
| 261 | syye(:,:,layer,jl) , sxye(:,:,layer,jl) ) |
---|
| 262 | CALL lim_adv_y( zusnit, zvi_v, rzero, zsm, & |
---|
| 263 | zs0e(:,:,layer,jl) , sxe (:,:,layer,jl) , & |
---|
| 264 | sxxe(:,:,layer,jl) , sye (:,:,layer,jl) , & |
---|
| 265 | syye(:,:,layer,jl) , sxye(:,:,layer,jl) ) |
---|
| 266 | END DO |
---|
| 267 | END DO |
---|
| 268 | END DO |
---|
| 269 | ELSE |
---|
| 270 | DO jk = 1, initad |
---|
| 271 | !--- ice volume --- |
---|
| 272 | CALL lim_adv_y( zusnit, zvi_v, rone , zsm, zs0ow (:,:) , sxopw (:,:) , & |
---|
| 273 | sxxopw(:,:) , syopw (:,:) , & |
---|
| 274 | syyopw(:,:) , sxyopw(:,:) ) |
---|
| 275 | CALL lim_adv_x( zusnit, zui_u, rzero, zsm, zs0ow (:,:) , sxopw (:,:) , & |
---|
| 276 | sxxopw(:,:) , syopw (:,:) , & |
---|
| 277 | syyopw(:,:) , sxyopw(:,:) ) |
---|
| 278 | DO jl = 1, jpl |
---|
| 279 | !--- ice volume --- |
---|
| 280 | CALL lim_adv_y( zusnit, zvi_v, rone , zsm, zs0ice(:,:,jl) , sxice (:,:,jl) , & |
---|
| 281 | sxxice(:,:,jl) , syice (:,:,jl) , & |
---|
| 282 | syyice(:,:,jl) , sxyice(:,:,jl) ) |
---|
| 283 | CALL lim_adv_x( zusnit, zui_u, rzero, zsm, zs0ice(:,:,jl) , sxice (:,:,jl) , & |
---|
| 284 | sxxice(:,:,jl) , syice (:,:,jl) , & |
---|
| 285 | syyice(:,:,jl) , sxyice(:,:,jl) ) |
---|
| 286 | !--- snow volume --- |
---|
| 287 | CALL lim_adv_y( zusnit, zvi_v, rone , zsm, zs0sn (:,:,jl) , sxsn (:,:,jl) , & |
---|
| 288 | sxxsn (:,:,jl) , sysn (:,:,jl) , & |
---|
| 289 | syysn (:,:,jl) , sxysn (:,:,jl) ) |
---|
| 290 | CALL lim_adv_x( zusnit, zui_u, rzero, zsm, zs0sn (:,:,jl) , sxsn (:,:,jl) , & |
---|
| 291 | sxxsn (:,:,jl) , sysn (:,:,jl) , & |
---|
| 292 | syysn (:,:,jl) , sxysn (:,:,jl) ) |
---|
| 293 | !--- ice salinity --- |
---|
| 294 | CALL lim_adv_y( zusnit, zvi_v, rone , zsm, zs0sm (:,:,jl) , sxsal (:,:,jl) , & |
---|
| 295 | sxxsal(:,:,jl) , sysal (:,:,jl) , & |
---|
| 296 | syysal(:,:,jl) , sxysal(:,:,jl) ) |
---|
| 297 | CALL lim_adv_x( zusnit, zui_u, rzero, zsm, zs0sm (:,:,jl) , sxsal (:,:,jl) , & |
---|
| 298 | sxxsal(:,:,jl) , sysal (:,:,jl) , & |
---|
| 299 | syysal(:,:,jl) , sxysal(:,:,jl) ) |
---|
| 300 | !--- ice age --- |
---|
| 301 | CALL lim_adv_y( zusnit, zvi_v, rone , zsm, zs0oi (:,:,jl) , sxage (:,:,jl) , & |
---|
| 302 | sxxage(:,:,jl) , syage (:,:,jl) , & |
---|
| 303 | syyage(:,:,jl) , sxyage(:,:,jl) ) |
---|
| 304 | CALL lim_adv_x( zusnit, zui_u, rzero, zsm, zs0oi (:,:,jl) , sxage (:,:,jl) , & |
---|
| 305 | sxxage(:,:,jl) , syage (:,:,jl) , & |
---|
| 306 | syyage(:,:,jl) , sxyage(:,:,jl) ) |
---|
| 307 | !--- ice concentration --- |
---|
| 308 | CALL lim_adv_y( zusnit, zvi_v, rone , zsm, zs0a (:,:,jl) , sxa (:,:,jl) , & |
---|
| 309 | sxxa (:,:,jl) , sya (:,:,jl) , & |
---|
| 310 | syya (:,:,jl) , sxya (:,:,jl) ) |
---|
| 311 | CALL lim_adv_x( zusnit, zui_u, rzero, zsm, zs0a (:,:,jl) , sxa (:,:,jl) , & |
---|
| 312 | sxxa (:,:,jl) , sya (:,:,jl) , & |
---|
| 313 | syya (:,:,jl) , sxya (:,:,jl) ) |
---|
| 314 | !--- ice / snow thermal energetic contents --- |
---|
| 315 | CALL lim_adv_y( zusnit, zvi_v, rone , zsm, zs0c0 (:,:,jl) , sxc0 (:,:,jl) , & |
---|
| 316 | sxxc0 (:,:,jl) , syc0 (:,:,jl) , & |
---|
| 317 | syyc0 (:,:,jl) , sxyc0 (:,:,jl) ) |
---|
| 318 | CALL lim_adv_x( zusnit, zui_u, rzero, zsm, zs0c0 (:,:,jl) , sxc0 (:,:,jl) , & |
---|
| 319 | sxxc0 (:,:,jl) , syc0 (:,:,jl) , & |
---|
| 320 | syyc0 (:,:,jl) , sxyc0 (:,:,jl) ) |
---|
| 321 | DO layer = 1, nlay_i |
---|
| 322 | CALL lim_adv_y( zusnit, zvi_v, rone , zsm, zs0e(:,:,layer,jl) , & |
---|
| 323 | sxe (:,:,layer,jl) , sxxe (:,:,layer,jl) , sye (:,:,layer,jl) , & |
---|
| 324 | syye (:,:,layer,jl), sxye (:,:,layer,jl) ) |
---|
| 325 | CALL lim_adv_x( zusnit, zui_u, rzero, zsm, zs0e(:,:,layer,jl) , & |
---|
| 326 | sxe (:,:,layer,jl) , sxxe (:,:,layer,jl) , sye (:,:,layer,jl) , & |
---|
| 327 | syye (:,:,layer,jl), sxye (:,:,layer,jl) ) |
---|
| 328 | END DO |
---|
| 329 | |
---|
| 330 | END DO |
---|
| 331 | END DO |
---|
| 332 | ENDIF |
---|
| 333 | |
---|
| 334 | !------------------------------------------- |
---|
| 335 | ! Recover the properties from their contents |
---|
| 336 | !------------------------------------------- |
---|
| 337 | |
---|
| 338 | zs0ow (:,:) = zs0ow(:,:) / area(:,:) |
---|
| 339 | DO jl = 1, jpl |
---|
| 340 | zs0ice(:,:,jl) = zs0ice(:,:,jl) / area(:,:) |
---|
| 341 | zs0sn (:,:,jl) = zs0sn (:,:,jl) / area(:,:) |
---|
| 342 | zs0sm (:,:,jl) = zs0sm (:,:,jl) / area(:,:) |
---|
| 343 | zs0oi (:,:,jl) = zs0oi (:,:,jl) / area(:,:) |
---|
| 344 | zs0a (:,:,jl) = zs0a (:,:,jl) / area(:,:) |
---|
| 345 | zs0c0 (:,:,jl) = zs0c0 (:,:,jl) / area(:,:) |
---|
| 346 | DO jk = 1, nlay_i |
---|
| 347 | zs0e(:,:,jk,jl) = zs0e(:,:,jk,jl) / area(:,:) |
---|
| 348 | END DO |
---|
| 349 | END DO |
---|
| 350 | |
---|
| 351 | !------------------------------------------------------------------------------! |
---|
| 352 | ! 4) Diffusion of Ice fields |
---|
| 353 | !------------------------------------------------------------------------------! |
---|
| 354 | |
---|
| 355 | !------------------------------------ |
---|
| 356 | ! 4.1) diffusion of open water area |
---|
| 357 | !------------------------------------ |
---|
| 358 | |
---|
| 359 | ! Compute total ice fraction |
---|
| 360 | zs0at(:,:) = 0.0 |
---|
| 361 | DO jl = 1, jpl |
---|
| 362 | DO jj = 1, jpj |
---|
| 363 | DO ji = 1, jpi |
---|
| 364 | zs0at (ji,jj) = zs0at(ji,jj) + zs0a(ji,jj,jl) ! |
---|
| 365 | END DO |
---|
| 366 | END DO |
---|
| 367 | END DO |
---|
| 368 | |
---|
| 369 | ! Masked eddy diffusivity coefficient at ocean U- and V-points |
---|
| 370 | DO jj = 1, jpjm1 ! NB: has not to be defined on jpj line and jpi row |
---|
| 371 | DO ji = 1 , fs_jpim1 ! vector opt. |
---|
| 372 | pahu(ji,jj) = ( 1.0 - MAX( rzero, SIGN( rone, -zs0at(ji ,jj) ) ) ) & |
---|
| 373 | & * ( 1.0 - MAX( rzero, SIGN( rone, -zs0at(ji+1,jj) ) ) ) * ahiu(ji,jj) |
---|
| 374 | pahv(ji,jj) = ( 1.0 - MAX( rzero, SIGN( rone, -zs0at(ji,jj ) ) ) ) & |
---|
| 375 | & * ( 1.0 - MAX( rzero, SIGN( rone,- zs0at(ji,jj+1) ) ) ) * ahiv(ji,jj) |
---|
| 376 | END DO !jj |
---|
| 377 | END DO ! ji |
---|
| 378 | |
---|
| 379 | ! Diffusion |
---|
| 380 | CALL lim_hdf( zs0ow (:,:) ) |
---|
| 381 | |
---|
| 382 | !---------------------------------------- |
---|
| 383 | ! 4.2) Diffusion of other ice variables |
---|
| 384 | !---------------------------------------- |
---|
| 385 | DO jl = 1, jpl |
---|
| 386 | |
---|
| 387 | ! Masked eddy diffusivity coefficient at ocean U- and V-points |
---|
| 388 | DO jj = 1, jpjm1 ! NB: has not to be defined on jpj line and jpi row |
---|
| 389 | DO ji = 1 , fs_jpim1 ! vector opt. |
---|
| 390 | pahu(ji,jj) = ( 1.0 - MAX( rzero, SIGN( rone, -zs0a(ji ,jj,jl) ) ) ) & |
---|
| 391 | & * ( 1.0 - MAX( rzero, SIGN( rone, -zs0a(ji+1,jj,jl) ) ) ) * ahiu(ji,jj) |
---|
| 392 | pahv(ji,jj) = ( 1.0 - MAX( rzero, SIGN( rone, -zs0a(ji,jj,jl ) ) ) ) & |
---|
| 393 | & * ( 1.0 - MAX( rzero, SIGN( rone,- zs0a(ji,jj+1,jl) ) ) ) * ahiv(ji,jj) |
---|
| 394 | END DO !jj |
---|
| 395 | END DO ! ji |
---|
| 396 | |
---|
| 397 | CALL lim_hdf( zs0ice (:,:,jl) ) |
---|
| 398 | CALL lim_hdf( zs0sn (:,:,jl) ) |
---|
| 399 | CALL lim_hdf( zs0sm (:,:,jl) ) |
---|
| 400 | CALL lim_hdf( zs0oi (:,:,jl) ) |
---|
| 401 | CALL lim_hdf( zs0a (:,:,jl) ) |
---|
| 402 | CALL lim_hdf( zs0c0 (:,:,jl) ) |
---|
| 403 | DO jk = 1, nlay_i |
---|
| 404 | CALL lim_hdf( zs0e (:,:,jk,jl) ) |
---|
| 405 | END DO ! jk |
---|
| 406 | END DO !jl |
---|
| 407 | |
---|
| 408 | !----------------------------------------- |
---|
| 409 | ! 4.3) Remultiply everything by ice area |
---|
| 410 | !----------------------------------------- |
---|
| 411 | zs0ow(:,:) = MAX(rzero, zs0ow(:,:) * area(:,:) ) |
---|
| 412 | DO jl = 1, jpl |
---|
| 413 | zs0ice(:,:,jl) = MAX( rzero, zs0ice(:,:,jl) * area(:,:) ) !!bug: est-ce utile |
---|
| 414 | zs0sn (:,:,jl) = MAX( rzero, zs0sn (:,:,jl) * area(:,:) ) !!bug: cf /area juste apres |
---|
| 415 | zs0sm (:,:,jl) = MAX( rzero, zs0sm (:,:,jl) * area(:,:) ) !!bug: cf /area juste apres |
---|
| 416 | zs0oi (:,:,jl) = MAX( rzero, zs0oi (:,:,jl) * area(:,:) ) |
---|
| 417 | zs0a (:,:,jl) = MAX( rzero, zs0a (:,:,jl) * area(:,:) ) !! suppress both change le resultat |
---|
| 418 | zs0c0 (:,:,jl) = MAX( rzero, zs0c0 (:,:,jl) * area(:,:) ) |
---|
| 419 | DO jk = 1, nlay_i |
---|
| 420 | zs0e(:,:,jk,jl) = MAX( rzero, zs0e (:,:,jk,jl) * area(:,:) ) |
---|
| 421 | END DO ! jk |
---|
| 422 | END DO ! jl |
---|
| 423 | |
---|
| 424 | !------------------------------------------------------------------------------! |
---|
| 425 | ! 5) Update and limit ice properties after transport |
---|
| 426 | !------------------------------------------------------------------------------! |
---|
| 427 | |
---|
| 428 | !-------------------------------------------------- |
---|
| 429 | ! 5.1) Recover mean values over the grid squares. |
---|
| 430 | !-------------------------------------------------- |
---|
| 431 | |
---|
| 432 | DO jl = 1, jpl |
---|
| 433 | DO jk = 1, nlay_i |
---|
| 434 | DO jj = 1, jpj |
---|
| 435 | DO ji = 1, jpi |
---|
| 436 | zs0e (ji,jj,jk,jl) = & |
---|
| 437 | MAX( rzero, zs0e (ji,jj,jk,jl) / area(ji,jj) ) |
---|
| 438 | END DO |
---|
| 439 | END DO |
---|
| 440 | END DO |
---|
| 441 | END DO |
---|
| 442 | |
---|
| 443 | DO jj = 1, jpj |
---|
| 444 | DO ji = 1, jpi |
---|
| 445 | zs0ow (ji,jj) = MAX( rzero, zs0ow (ji,jj) / area(ji,jj) ) |
---|
| 446 | END DO |
---|
| 447 | END DO |
---|
| 448 | |
---|
| 449 | zs0at(:,:) = 0.0 |
---|
| 450 | DO jl = 1, jpl |
---|
| 451 | DO jj = 1, jpj |
---|
| 452 | DO ji = 1, jpi |
---|
| 453 | zs0sn (ji,jj,jl) = MAX( rzero, zs0sn (ji,jj,jl)/area(ji,jj) ) |
---|
| 454 | zs0ice(ji,jj,jl) = MAX( rzero, zs0ice(ji,jj,jl)/area(ji,jj) ) |
---|
| 455 | zs0sm (ji,jj,jl) = MAX( rzero, zs0sm (ji,jj,jl)/area(ji,jj) ) |
---|
| 456 | zs0oi (ji,jj,jl) = MAX( rzero, zs0oi (ji,jj,jl)/area(ji,jj) ) |
---|
| 457 | zs0a (ji,jj,jl) = MAX( rzero, zs0a (ji,jj,jl)/area(ji,jj) ) |
---|
| 458 | zs0c0 (ji,jj,jl) = MAX( rzero, zs0c0 (ji,jj,jl)/area(ji,jj) ) |
---|
| 459 | zs0at (ji,jj) = zs0at(ji,jj) + zs0a(ji,jj,jl) |
---|
| 460 | END DO |
---|
| 461 | END DO |
---|
| 462 | END DO |
---|
| 463 | |
---|
| 464 | !--------------------------------------------------------- |
---|
| 465 | ! 5.2) Snow thickness, Ice thickness, Ice concentrations |
---|
| 466 | !--------------------------------------------------------- |
---|
| 467 | |
---|
| 468 | DO jj = 1, jpj |
---|
| 469 | DO ji = 1, jpi |
---|
| 470 | zindb = MAX( 0.0 , SIGN( 1.0, zs0at(ji,jj) - zeps10) ) |
---|
| 471 | zs0ow(ji,jj) = (1.0 - zindb) + zindb*MAX( zs0ow(ji,jj), 0.00 ) |
---|
| 472 | ato_i(ji,jj) = zs0ow(ji,jj) |
---|
| 473 | END DO |
---|
| 474 | END DO |
---|
| 475 | |
---|
| 476 | ! Remove very small areas |
---|
| 477 | DO jl = 1, jpl |
---|
| 478 | DO jj = 1, jpj |
---|
| 479 | DO ji = 1, jpi |
---|
| 480 | zindb = MAX( 0.0 , SIGN( 1.0, zs0a(ji,jj,jl) - zeps10) ) |
---|
| 481 | |
---|
| 482 | zs0a(ji,jj,jl) = zindb * MIN( zs0a(ji,jj,jl), 0.99 ) |
---|
| 483 | v_s(ji,jj,jl) = zindb * zs0sn (ji,jj,jl) |
---|
| 484 | v_i(ji,jj,jl) = zindb * zs0ice(ji,jj,jl) |
---|
| 485 | |
---|
| 486 | zindsn = MAX( rzero, SIGN( rone, v_s(ji,jj,jl) - zeps10 ) ) |
---|
| 487 | zindic = MAX( rzero, SIGN( rone, v_i(ji,jj,jl) - zeps10 ) ) |
---|
| 488 | zindb = MAX( zindsn, zindic ) |
---|
| 489 | zs0a (ji,jj,jl) = zindb * zs0a(ji,jj,jl) !ice concentration |
---|
| 490 | a_i (ji,jj,jl) = zs0a(ji,jj,jl) |
---|
| 491 | v_s (ji,jj,jl) = zindsn * v_s(ji,jj,jl) |
---|
| 492 | v_i (ji,jj,jl) = zindic * v_i(ji,jj,jl) |
---|
| 493 | END DO |
---|
| 494 | END DO |
---|
| 495 | END DO |
---|
| 496 | |
---|
| 497 | DO jj = 1, jpj |
---|
| 498 | DO ji = 1, jpi |
---|
| 499 | zs0at(ji,jj) = SUM( zs0a(ji,jj,1:jpl) ) |
---|
| 500 | END DO |
---|
| 501 | END DO |
---|
| 502 | |
---|
| 503 | !---------------------- |
---|
| 504 | ! 5.3) Ice properties |
---|
| 505 | !---------------------- |
---|
| 506 | |
---|
| 507 | zbigval = 1.0d+13 |
---|
| 508 | |
---|
| 509 | DO jl = 1, jpl |
---|
| 510 | DO jj = 1, jpj |
---|
| 511 | DO ji = 1, jpi |
---|
| 512 | |
---|
| 513 | ! Switches and dummy variables |
---|
| 514 | zusvosn = 1.0/MAX( v_s(ji,jj,jl) , epsi16 ) |
---|
| 515 | zusvoic = 1.0/MAX( v_i(ji,jj,jl) , epsi16 ) |
---|
| 516 | zrtt = 173.15 * rone |
---|
| 517 | zindsn = MAX( rzero, SIGN( rone, v_s(ji,jj,jl) - zeps10 ) ) |
---|
| 518 | zindic = MAX( rzero, SIGN( rone, v_i(ji,jj,jl) - zeps10 ) ) |
---|
| 519 | zindb = MAX( zindsn, zindic ) |
---|
| 520 | |
---|
| 521 | ! Ice salinity and age |
---|
[888] | 522 | zsal = MAX( MIN( (rhoic-rhosn)/rhoic*sss_m(ji,jj) , & |
---|
[825] | 523 | zusvoic * zs0sm(ji,jj,jl) ), s_i_min ) * & |
---|
| 524 | v_i(ji,jj,jl) |
---|
| 525 | IF ( ( num_sal .EQ. 2 ) .OR. ( num_sal .EQ. 4 ) ) & |
---|
| 526 | smv_i(ji,jj,jl) = zindic*zsal + (1.0-zindic)*0.0 |
---|
| 527 | |
---|
| 528 | zage = MAX( MIN( zbigval, zs0oi(ji,jj,jl) / & |
---|
| 529 | MAX( a_i(ji,jj,jl), epsi16 ) ), 0.0 ) * & |
---|
| 530 | a_i(ji,jj,jl) |
---|
| 531 | oa_i (ji,jj,jl) = zindic*zage |
---|
| 532 | |
---|
| 533 | ! Snow heat content |
---|
| 534 | ze = MIN( MAX( 0.0, zs0c0(ji,jj,jl)*area(ji,jj) ), zbigval ) |
---|
| 535 | e_s(ji,jj,1,jl) = zindsn * ze + (1.0 - zindsn) * 0.0 |
---|
| 536 | |
---|
| 537 | END DO !ji |
---|
| 538 | END DO !jj |
---|
| 539 | END DO ! jl |
---|
| 540 | |
---|
| 541 | DO jl = 1, jpl |
---|
| 542 | DO jk = 1, nlay_i |
---|
| 543 | DO jj = 1, jpj |
---|
| 544 | DO ji = 1, jpi |
---|
| 545 | ! Ice heat content |
---|
| 546 | zindic = MAX( rzero, SIGN( rone, v_i(ji,jj,jl) - zeps10 ) ) |
---|
| 547 | ze = MIN( MAX( 0.0, zs0e(ji,jj,jk,jl)*area(ji,jj) ), zbigval ) |
---|
| 548 | e_i(ji,jj,jk,jl) = zindic * ze + ( 1.0 - zindic ) * 0.0 |
---|
| 549 | END DO !ji |
---|
| 550 | END DO ! jj |
---|
| 551 | END DO ! jk |
---|
| 552 | END DO ! jl |
---|
| 553 | |
---|
| 554 | ENDIF |
---|
| 555 | |
---|
[863] | 556 | IF(ln_ctl) THEN ! Control print |
---|
[867] | 557 | CALL prt_ctl_info(' ') |
---|
| 558 | CALL prt_ctl_info(' - Cell values : ') |
---|
| 559 | CALL prt_ctl_info(' ~~~~~~~~~~~~~ ') |
---|
[863] | 560 | CALL prt_ctl(tab2d_1=area , clinfo1=' lim_trp : cell area :') |
---|
| 561 | CALL prt_ctl(tab2d_1=at_i , clinfo1=' lim_trp : at_i :') |
---|
| 562 | CALL prt_ctl(tab2d_1=vt_i , clinfo1=' lim_trp : vt_i :') |
---|
| 563 | CALL prt_ctl(tab2d_1=vt_s , clinfo1=' lim_trp : vt_s :') |
---|
| 564 | DO jl = 1, jpl |
---|
[867] | 565 | CALL prt_ctl_info(' ') |
---|
[863] | 566 | CALL prt_ctl_info(' - Category : ', ivar1=jl) |
---|
| 567 | CALL prt_ctl_info(' ~~~~~~~~~~') |
---|
| 568 | CALL prt_ctl(tab2d_1=a_i (:,:,jl) , clinfo1= ' lim_trp : a_i : ') |
---|
| 569 | CALL prt_ctl(tab2d_1=ht_i (:,:,jl) , clinfo1= ' lim_trp : ht_i : ') |
---|
| 570 | CALL prt_ctl(tab2d_1=ht_s (:,:,jl) , clinfo1= ' lim_trp : ht_s : ') |
---|
| 571 | CALL prt_ctl(tab2d_1=v_i (:,:,jl) , clinfo1= ' lim_trp : v_i : ') |
---|
| 572 | CALL prt_ctl(tab2d_1=v_s (:,:,jl) , clinfo1= ' lim_trp : v_s : ') |
---|
| 573 | CALL prt_ctl(tab2d_1=e_s (:,:,1,jl) , clinfo1= ' lim_trp : e_s : ') |
---|
| 574 | CALL prt_ctl(tab2d_1=t_su (:,:,jl) , clinfo1= ' lim_trp : t_su : ') |
---|
| 575 | CALL prt_ctl(tab2d_1=t_s (:,:,1,jl) , clinfo1= ' lim_trp : t_snow : ') |
---|
| 576 | CALL prt_ctl(tab2d_1=sm_i (:,:,jl) , clinfo1= ' lim_trp : sm_i : ') |
---|
| 577 | CALL prt_ctl(tab2d_1=smv_i (:,:,jl) , clinfo1= ' lim_trp : smv_i : ') |
---|
| 578 | DO jk = 1, nlay_i |
---|
[867] | 579 | CALL prt_ctl_info(' ') |
---|
[863] | 580 | CALL prt_ctl_info(' - Layer : ', ivar1=jk) |
---|
| 581 | CALL prt_ctl_info(' ~~~~~~~') |
---|
| 582 | CALL prt_ctl(tab2d_1=t_i(:,:,jk,jl) , clinfo1= ' lim_trp : t_i : ') |
---|
| 583 | CALL prt_ctl(tab2d_1=e_i(:,:,jk,jl) , clinfo1= ' lim_trp : e_i : ') |
---|
| 584 | END DO |
---|
| 585 | END DO |
---|
| 586 | ENDIF |
---|
| 587 | |
---|
[825] | 588 | END SUBROUTINE lim_trp |
---|
| 589 | |
---|
| 590 | |
---|
| 591 | SUBROUTINE lim_trp_init |
---|
| 592 | !!------------------------------------------------------------------- |
---|
| 593 | !! *** ROUTINE lim_trp_init *** |
---|
| 594 | !! |
---|
| 595 | !! ** Purpose : initialization of ice advection parameters |
---|
| 596 | !! |
---|
| 597 | !! ** Method : Read the namicetrp namelist and check the parameter |
---|
| 598 | !! values called at the first timestep (nit000) |
---|
| 599 | !! |
---|
| 600 | !! ** input : Namelist namicetrp |
---|
| 601 | !! |
---|
| 602 | !! history : |
---|
| 603 | !! 2.0 ! 03-08 (C. Ethe) Original code |
---|
| 604 | !!------------------------------------------------------------------- |
---|
| 605 | NAMELIST/namicetrp/ bound |
---|
| 606 | !!------------------------------------------------------------------- |
---|
| 607 | |
---|
| 608 | ! Read Namelist namicetrp |
---|
| 609 | REWIND ( numnam_ice ) |
---|
| 610 | READ ( numnam_ice , namicetrp ) |
---|
| 611 | IF(lwp) THEN |
---|
| 612 | WRITE(numout,*) |
---|
| 613 | WRITE(numout,*) 'lim_trp_init : Ice parameters for advection ' |
---|
| 614 | WRITE(numout,*) '~~~~~~~~~~~~' |
---|
| 615 | WRITE(numout,*) ' boundary conditions (0.0 no-slip, 1.0 free-slip) bound = ', bound |
---|
| 616 | WRITE(numout,*) |
---|
| 617 | ENDIF |
---|
| 618 | |
---|
| 619 | END SUBROUTINE lim_trp_init |
---|
| 620 | |
---|
| 621 | #else |
---|
| 622 | !!---------------------------------------------------------------------- |
---|
| 623 | !! Default option Empty Module No sea-ice model |
---|
| 624 | !!---------------------------------------------------------------------- |
---|
| 625 | CONTAINS |
---|
| 626 | SUBROUTINE lim_trp ! Empty routine |
---|
| 627 | END SUBROUTINE lim_trp |
---|
| 628 | #endif |
---|
| 629 | |
---|
| 630 | !!====================================================================== |
---|
| 631 | END MODULE limtrp |
---|