[3443] | 1 | MODULE p4zsink |
---|
| 2 | !!====================================================================== |
---|
| 3 | !! *** MODULE p4zsink *** |
---|
| 4 | !! TOP : PISCES vertical flux of particulate matter due to gravitational sinking |
---|
| 5 | !!====================================================================== |
---|
| 6 | !! History : 1.0 ! 2004 (O. Aumont) Original code |
---|
| 7 | !! 2.0 ! 2007-12 (C. Ethe, G. Madec) F90 |
---|
| 8 | !! 3.4 ! 2011-06 (O. Aumont, C. Ethe) Change aggregation formula |
---|
| 9 | !! 3.5 ! 2012-07 (O. Aumont) Introduce potential time-splitting |
---|
| 10 | !!---------------------------------------------------------------------- |
---|
| 11 | !! p4z_sink : Compute vertical flux of particulate matter due to gravitational sinking |
---|
| 12 | !! p4z_sink_init : Unitialisation of sinking speed parameters |
---|
| 13 | !! p4z_sink_alloc : Allocate sinking speed variables |
---|
| 14 | !!---------------------------------------------------------------------- |
---|
| 15 | USE oce_trc ! shared variables between ocean and passive tracers |
---|
| 16 | USE trc ! passive tracers common variables |
---|
| 17 | USE sms_pisces ! PISCES Source Minus Sink variables |
---|
| 18 | USE prtctl_trc ! print control for debugging |
---|
| 19 | USE iom ! I/O manager |
---|
| 20 | USE lib_mpp |
---|
| 21 | |
---|
| 22 | IMPLICIT NONE |
---|
| 23 | PRIVATE |
---|
| 24 | |
---|
| 25 | PUBLIC p4z_sink ! called in p4zbio.F90 |
---|
| 26 | PUBLIC p4z_sink_init ! called in trcsms_pisces.F90 |
---|
| 27 | PUBLIC p4z_sink_alloc |
---|
| 28 | |
---|
| 29 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: sinking, sinking2 !: POC sinking fluxes |
---|
| 30 | ! ! (different meanings depending on the parameterization) |
---|
[7391] | 31 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: sinkingn, sinking2n !: POC sinking fluxes |
---|
| 32 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: sinkingp, sinking2p !: POC sinking fluxes |
---|
[3443] | 33 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: sinkcal, sinksil !: CaCO3 and BSi sinking fluxes |
---|
| 34 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: sinkfer !: Small BFe sinking fluxes |
---|
| 35 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: sinkfer2 !: Big iron sinking fluxes |
---|
[7391] | 36 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: sinkfep !: Fep sinking fluxes |
---|
[3443] | 37 | |
---|
[4996] | 38 | INTEGER :: ik100 |
---|
[3443] | 39 | |
---|
| 40 | !!---------------------------------------------------------------------- |
---|
| 41 | !! NEMO/TOP 3.3 , NEMO Consortium (2010) |
---|
| 42 | !! $Id: p4zsink.F90 3160 2011-11-20 14:27:18Z cetlod $ |
---|
| 43 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
---|
| 44 | !!---------------------------------------------------------------------- |
---|
| 45 | CONTAINS |
---|
| 46 | |
---|
| 47 | !!---------------------------------------------------------------------- |
---|
| 48 | !! 'standard sinking parameterisation' ??? |
---|
| 49 | !!---------------------------------------------------------------------- |
---|
| 50 | |
---|
[5385] | 51 | SUBROUTINE p4z_sink ( kt, knt ) |
---|
[3443] | 52 | !!--------------------------------------------------------------------- |
---|
| 53 | !! *** ROUTINE p4z_sink *** |
---|
| 54 | !! |
---|
| 55 | !! ** Purpose : Compute vertical flux of particulate matter due to |
---|
| 56 | !! gravitational sinking |
---|
| 57 | !! |
---|
| 58 | !! ** Method : - ??? |
---|
| 59 | !!--------------------------------------------------------------------- |
---|
[5385] | 60 | INTEGER, INTENT(in) :: kt, knt |
---|
[3443] | 61 | INTEGER :: ji, jj, jk, jit |
---|
| 62 | INTEGER :: iiter1, iiter2 |
---|
| 63 | REAL(wp) :: zagg1, zagg2, zagg3, zagg4 |
---|
| 64 | REAL(wp) :: zagg , zaggfe, zaggdoc, zaggdoc2, zaggdoc3 |
---|
[7391] | 65 | REAL(wp) :: zfact, zwsmax, zmax |
---|
[3443] | 66 | CHARACTER (len=25) :: charout |
---|
[4996] | 67 | REAL(wp), POINTER, DIMENSION(:,:,:) :: zw3d |
---|
| 68 | REAL(wp), POINTER, DIMENSION(:,: ) :: zw2d |
---|
[3443] | 69 | !!--------------------------------------------------------------------- |
---|
| 70 | ! |
---|
| 71 | IF( nn_timing == 1 ) CALL timing_start('p4z_sink') |
---|
[7391] | 72 | |
---|
| 73 | |
---|
| 74 | ! Initialization of some global variables |
---|
| 75 | ! --------------------------------------- |
---|
| 76 | prodpoc(:,:,:) = 0. |
---|
| 77 | conspoc(:,:,:) = 0. |
---|
| 78 | prodgoc(:,:,:) = 0. |
---|
| 79 | consgoc(:,:,:) = 0. |
---|
| 80 | |
---|
[3443] | 81 | ! |
---|
| 82 | ! Sinking speeds of detritus is increased with depth as shown |
---|
| 83 | ! by data and from the coagulation theory |
---|
| 84 | ! ----------------------------------------------------------- |
---|
| 85 | DO jk = 1, jpkm1 |
---|
| 86 | DO jj = 1, jpj |
---|
| 87 | DO ji = 1,jpi |
---|
[7391] | 88 | zmax = MAX( heup_01(ji,jj), hmld(ji,jj) ) |
---|
| 89 | zfact = MAX( 0., gdepw_n(ji,jj,jk+1) - zmax ) / wsbio2scale |
---|
| 90 | wsbio4(ji,jj,jk) = wsbio2 + MAX(0., ( wsbio2max - wsbio2 )) * zfact |
---|
[3443] | 91 | END DO |
---|
| 92 | END DO |
---|
| 93 | END DO |
---|
| 94 | |
---|
| 95 | ! limit the values of the sinking speeds to avoid numerical instabilities |
---|
| 96 | wsbio3(:,:,:) = wsbio |
---|
[7391] | 97 | |
---|
[3443] | 98 | ! |
---|
| 99 | ! OA This is (I hope) a temporary solution for the problem that may |
---|
| 100 | ! OA arise in specific situation where the CFL criterion is broken |
---|
| 101 | ! OA for vertical sedimentation of particles. To avoid this, a time |
---|
| 102 | ! OA splitting algorithm has been coded. A specific maximum |
---|
| 103 | ! OA iteration number is provided and may be specified in the namelist |
---|
| 104 | ! OA This is to avoid very large iteration number when explicit free |
---|
| 105 | ! OA surface is used (for instance). When niter?max is set to 1, |
---|
| 106 | ! OA this computation is skipped. The crude old threshold method is |
---|
| 107 | ! OA then applied. This also happens when niter exceeds nitermax. |
---|
| 108 | IF( MAX( niter1max, niter2max ) == 1 ) THEN |
---|
| 109 | iiter1 = 1 |
---|
| 110 | iiter2 = 1 |
---|
| 111 | ELSE |
---|
| 112 | iiter1 = 1 |
---|
| 113 | iiter2 = 1 |
---|
| 114 | DO jk = 1, jpkm1 |
---|
| 115 | DO jj = 1, jpj |
---|
| 116 | DO ji = 1, jpi |
---|
| 117 | IF( tmask(ji,jj,jk) == 1) THEN |
---|
[6140] | 118 | zwsmax = 0.5 * e3t_n(ji,jj,jk) / xstep |
---|
[3443] | 119 | iiter1 = MAX( iiter1, INT( wsbio3(ji,jj,jk) / zwsmax ) ) |
---|
| 120 | iiter2 = MAX( iiter2, INT( wsbio4(ji,jj,jk) / zwsmax ) ) |
---|
| 121 | ENDIF |
---|
| 122 | END DO |
---|
| 123 | END DO |
---|
| 124 | END DO |
---|
| 125 | IF( lk_mpp ) THEN |
---|
| 126 | CALL mpp_max( iiter1 ) |
---|
| 127 | CALL mpp_max( iiter2 ) |
---|
| 128 | ENDIF |
---|
| 129 | iiter1 = MIN( iiter1, niter1max ) |
---|
| 130 | iiter2 = MIN( iiter2, niter2max ) |
---|
| 131 | ENDIF |
---|
| 132 | |
---|
| 133 | DO jk = 1,jpkm1 |
---|
| 134 | DO jj = 1, jpj |
---|
| 135 | DO ji = 1, jpi |
---|
| 136 | IF( tmask(ji,jj,jk) == 1 ) THEN |
---|
[6140] | 137 | zwsmax = 0.5 * e3t_n(ji,jj,jk) / xstep |
---|
[7391] | 138 | wsbio3(ji,jj,jk) = MIN( wsbio3(ji,jj,jk), zwsmax * REAL( iiter1, wp ) ) |
---|
| 139 | wsbio4(ji,jj,jk) = MIN( wsbio4(ji,jj,jk), zwsmax * REAL( iiter2, wp ) ) |
---|
[3443] | 140 | ENDIF |
---|
| 141 | END DO |
---|
| 142 | END DO |
---|
| 143 | END DO |
---|
| 144 | |
---|
[7391] | 145 | wscal (:,:,:) = wsbio4(:,:,:) |
---|
| 146 | |
---|
[3443] | 147 | ! Initializa to zero all the sinking arrays |
---|
| 148 | ! ----------------------------------------- |
---|
| 149 | sinking (:,:,:) = 0.e0 |
---|
| 150 | sinking2(:,:,:) = 0.e0 |
---|
| 151 | sinkcal (:,:,:) = 0.e0 |
---|
| 152 | sinkfer (:,:,:) = 0.e0 |
---|
| 153 | sinksil (:,:,:) = 0.e0 |
---|
| 154 | sinkfer2(:,:,:) = 0.e0 |
---|
| 155 | |
---|
| 156 | ! Compute the sedimentation term using p4zsink2 for all the sinking particles |
---|
| 157 | ! ----------------------------------------------------- |
---|
| 158 | DO jit = 1, iiter1 |
---|
| 159 | CALL p4z_sink2( wsbio3, sinking , jppoc, iiter1 ) |
---|
| 160 | CALL p4z_sink2( wsbio3, sinkfer , jpsfe, iiter1 ) |
---|
| 161 | END DO |
---|
| 162 | |
---|
| 163 | DO jit = 1, iiter2 |
---|
| 164 | CALL p4z_sink2( wsbio4, sinking2, jpgoc, iiter2 ) |
---|
| 165 | CALL p4z_sink2( wsbio4, sinkfer2, jpbfe, iiter2 ) |
---|
| 166 | CALL p4z_sink2( wsbio4, sinksil , jpgsi, iiter2 ) |
---|
| 167 | CALL p4z_sink2( wscal , sinkcal , jpcal, iiter2 ) |
---|
| 168 | END DO |
---|
| 169 | |
---|
[7391] | 170 | IF( ln_p5z ) THEN |
---|
| 171 | sinkingn (:,:,:) = 0.e0 |
---|
| 172 | sinking2n(:,:,:) = 0.e0 |
---|
| 173 | sinkingp (:,:,:) = 0.e0 |
---|
| 174 | sinking2p(:,:,:) = 0.e0 |
---|
[3443] | 175 | |
---|
[7391] | 176 | ! Compute the sedimentation term using p4zsink2 for all the sinking particles |
---|
| 177 | ! ----------------------------------------------------- |
---|
| 178 | DO jit = 1, iiter1 |
---|
| 179 | CALL p4z_sink2( wsbio3, sinkingn , jppon, iiter1 ) |
---|
| 180 | CALL p4z_sink2( wsbio3, sinkingp , jppop, iiter1 ) |
---|
| 181 | END DO |
---|
[3443] | 182 | |
---|
[7391] | 183 | DO jit = 1, iiter2 |
---|
| 184 | CALL p4z_sink2( wsbio4, sinking2n, jpgon, iiter2 ) |
---|
| 185 | CALL p4z_sink2( wsbio4, sinking2p, jpgop, iiter2 ) |
---|
| 186 | END DO |
---|
| 187 | ENDIF |
---|
[3443] | 188 | |
---|
[7391] | 189 | IF( ln_ligand ) THEN |
---|
| 190 | wsfep (:,:,:) = wfep |
---|
| 191 | DO jk = 1,jpkm1 |
---|
| 192 | DO jj = 1, jpj |
---|
| 193 | DO ji = 1, jpi |
---|
| 194 | IF( tmask(ji,jj,jk) == 1 ) THEN |
---|
| 195 | zwsmax = 0.5 * e3t_n(ji,jj,jk) / xstep |
---|
| 196 | wsfep(ji,jj,jk) = MIN( wsfep(ji,jj,jk), zwsmax * REAL( iiter1, wp ) ) |
---|
| 197 | ENDIF |
---|
| 198 | END DO |
---|
[3443] | 199 | END DO |
---|
| 200 | END DO |
---|
[7391] | 201 | ! |
---|
| 202 | sinkfep(:,:,:) = 0.e0 |
---|
| 203 | DO jit = 1, iiter1 |
---|
| 204 | CALL p4z_sink2( wsfep, sinkfep , jpfep, iiter1 ) |
---|
| 205 | END DO |
---|
| 206 | ENDIF |
---|
[3443] | 207 | |
---|
[4996] | 208 | ! Total carbon export per year |
---|
[5385] | 209 | IF( iom_use( "tcexp" ) .OR. ( ln_check_mass .AND. kt == nitend .AND. knt == nrdttrc ) ) & |
---|
[4996] | 210 | & t_oce_co2_exp = glob_sum( ( sinking(:,:,ik100) + sinking2(:,:,ik100) ) * e1e2t(:,:) * tmask(:,:,1) ) |
---|
[3481] | 211 | ! |
---|
[4996] | 212 | IF( lk_iomput ) THEN |
---|
[5385] | 213 | IF( knt == nrdttrc ) THEN |
---|
[4996] | 214 | CALL wrk_alloc( jpi, jpj, zw2d ) |
---|
| 215 | CALL wrk_alloc( jpi, jpj, jpk, zw3d ) |
---|
| 216 | zfact = 1.e+3 * rfact2r ! conversion from mol/l/kt to mol/m3/s |
---|
| 217 | ! |
---|
| 218 | IF( iom_use( "EPC100" ) ) THEN |
---|
| 219 | zw2d(:,:) = ( sinking(:,:,ik100) + sinking2(:,:,ik100) ) * zfact * tmask(:,:,1) ! Export of carbon at 100m |
---|
| 220 | CALL iom_put( "EPC100" , zw2d ) |
---|
| 221 | ENDIF |
---|
| 222 | IF( iom_use( "EPFE100" ) ) THEN |
---|
| 223 | zw2d(:,:) = ( sinkfer(:,:,ik100) + sinkfer2(:,:,ik100) ) * zfact * tmask(:,:,1) ! Export of iron at 100m |
---|
| 224 | CALL iom_put( "EPFE100" , zw2d ) |
---|
| 225 | ENDIF |
---|
| 226 | IF( iom_use( "EPCAL100" ) ) THEN |
---|
| 227 | zw2d(:,:) = sinkcal(:,:,ik100) * zfact * tmask(:,:,1) ! Export of calcite at 100m |
---|
| 228 | CALL iom_put( "EPCAL100" , zw2d ) |
---|
| 229 | ENDIF |
---|
| 230 | IF( iom_use( "EPSI100" ) ) THEN |
---|
| 231 | zw2d(:,:) = sinksil(:,:,ik100) * zfact * tmask(:,:,1) ! Export of bigenic silica at 100m |
---|
| 232 | CALL iom_put( "EPSI100" , zw2d ) |
---|
| 233 | ENDIF |
---|
| 234 | IF( iom_use( "EXPC" ) ) THEN |
---|
| 235 | zw3d(:,:,:) = ( sinking(:,:,:) + sinking2(:,:,:) ) * zfact * tmask(:,:,:) ! Export of carbon in the water column |
---|
| 236 | CALL iom_put( "EXPC" , zw3d ) |
---|
| 237 | ENDIF |
---|
| 238 | IF( iom_use( "EXPFE" ) ) THEN |
---|
| 239 | zw3d(:,:,:) = ( sinkfer(:,:,:) + sinkfer2(:,:,:) ) * zfact * tmask(:,:,:) ! Export of iron |
---|
| 240 | CALL iom_put( "EXPFE" , zw3d ) |
---|
| 241 | ENDIF |
---|
| 242 | IF( iom_use( "EXPCAL" ) ) THEN |
---|
| 243 | zw3d(:,:,:) = sinkcal(:,:,:) * zfact * tmask(:,:,:) ! Export of calcite |
---|
| 244 | CALL iom_put( "EXPCAL" , zw3d ) |
---|
| 245 | ENDIF |
---|
| 246 | IF( iom_use( "EXPSI" ) ) THEN |
---|
| 247 | zw3d(:,:,:) = sinksil(:,:,:) * zfact * tmask(:,:,:) ! Export of bigenic silica |
---|
| 248 | CALL iom_put( "EXPSI" , zw3d ) |
---|
| 249 | ENDIF |
---|
| 250 | IF( iom_use( "tcexp" ) ) CALL iom_put( "tcexp" , t_oce_co2_exp * zfact ) ! molC/s |
---|
| 251 | ! |
---|
| 252 | CALL wrk_dealloc( jpi, jpj, zw2d ) |
---|
| 253 | CALL wrk_dealloc( jpi, jpj, jpk, zw3d ) |
---|
| 254 | ENDIF |
---|
[3443] | 255 | ENDIF |
---|
| 256 | ! |
---|
| 257 | IF(ln_ctl) THEN ! print mean trends (used for debugging) |
---|
| 258 | WRITE(charout, FMT="('sink')") |
---|
| 259 | CALL prt_ctl_trc_info(charout) |
---|
| 260 | CALL prt_ctl_trc(tab4d=tra, mask=tmask, clinfo=ctrcnm) |
---|
| 261 | ENDIF |
---|
| 262 | ! |
---|
| 263 | IF( nn_timing == 1 ) CALL timing_stop('p4z_sink') |
---|
| 264 | ! |
---|
| 265 | END SUBROUTINE p4z_sink |
---|
| 266 | |
---|
| 267 | SUBROUTINE p4z_sink_init |
---|
| 268 | !!---------------------------------------------------------------------- |
---|
| 269 | !! *** ROUTINE p4z_sink_init *** |
---|
| 270 | !!---------------------------------------------------------------------- |
---|
[4996] | 271 | INTEGER :: jk |
---|
[3481] | 272 | |
---|
[4996] | 273 | ik100 = 10 ! last level where depth less than 100 m |
---|
| 274 | DO jk = jpkm1, 1, -1 |
---|
| 275 | IF( gdept_1d(jk) > 100. ) ik100 = jk - 1 |
---|
| 276 | END DO |
---|
| 277 | IF (lwp) WRITE(numout,*) |
---|
| 278 | IF (lwp) WRITE(numout,*) ' Level corresponding to 100m depth ', ik100 + 1 |
---|
| 279 | IF (lwp) WRITE(numout,*) |
---|
| 280 | ! |
---|
[3481] | 281 | t_oce_co2_exp = 0._wp |
---|
| 282 | ! |
---|
[3443] | 283 | END SUBROUTINE p4z_sink_init |
---|
| 284 | |
---|
| 285 | SUBROUTINE p4z_sink2( pwsink, psinkflx, jp_tra, kiter ) |
---|
| 286 | !!--------------------------------------------------------------------- |
---|
| 287 | !! *** ROUTINE p4z_sink2 *** |
---|
| 288 | !! |
---|
| 289 | !! ** Purpose : Compute the sedimentation terms for the various sinking |
---|
| 290 | !! particles. The scheme used to compute the trends is based |
---|
| 291 | !! on MUSCL. |
---|
| 292 | !! |
---|
| 293 | !! ** Method : - this ROUTINE compute not exactly the advection but the |
---|
| 294 | !! transport term, i.e. div(u*tra). |
---|
| 295 | !!--------------------------------------------------------------------- |
---|
| 296 | ! |
---|
| 297 | INTEGER , INTENT(in ) :: jp_tra ! tracer index index |
---|
| 298 | INTEGER , INTENT(in ) :: kiter ! number of iterations for time-splitting |
---|
| 299 | REAL(wp), INTENT(in ), DIMENSION(jpi,jpj,jpk) :: pwsink ! sinking speed |
---|
| 300 | REAL(wp), INTENT(inout), DIMENSION(jpi,jpj,jpk) :: psinkflx ! sinking fluxe |
---|
| 301 | !! |
---|
| 302 | INTEGER :: ji, jj, jk, jn |
---|
| 303 | REAL(wp) :: zigma,zew,zign, zflx, zstep |
---|
[3494] | 304 | REAL(wp), POINTER, DIMENSION(:,:,:) :: ztraz, zakz, zwsink2, ztrb |
---|
[3443] | 305 | !!--------------------------------------------------------------------- |
---|
| 306 | ! |
---|
| 307 | IF( nn_timing == 1 ) CALL timing_start('p4z_sink2') |
---|
| 308 | ! |
---|
| 309 | ! Allocate temporary workspace |
---|
[3494] | 310 | CALL wrk_alloc( jpi, jpj, jpk, ztraz, zakz, zwsink2, ztrb ) |
---|
[3443] | 311 | |
---|
[7391] | 312 | zstep = rfact2 / REAL( kiter, wp ) / 2. |
---|
[3443] | 313 | |
---|
| 314 | ztraz(:,:,:) = 0.e0 |
---|
| 315 | zakz (:,:,:) = 0.e0 |
---|
[5385] | 316 | ztrb (:,:,:) = trb(:,:,:,jp_tra) |
---|
[3443] | 317 | |
---|
| 318 | DO jk = 1, jpkm1 |
---|
| 319 | zwsink2(:,:,jk+1) = -pwsink(:,:,jk) / rday * tmask(:,:,jk+1) |
---|
| 320 | END DO |
---|
| 321 | zwsink2(:,:,1) = 0.e0 |
---|
| 322 | |
---|
| 323 | |
---|
| 324 | ! Vertical advective flux |
---|
| 325 | DO jn = 1, 2 |
---|
| 326 | ! first guess of the slopes interior values |
---|
| 327 | DO jk = 2, jpkm1 |
---|
[5385] | 328 | ztraz(:,:,jk) = ( trb(:,:,jk-1,jp_tra) - trb(:,:,jk,jp_tra) ) * tmask(:,:,jk) |
---|
[3443] | 329 | END DO |
---|
| 330 | ztraz(:,:,1 ) = 0.0 |
---|
| 331 | ztraz(:,:,jpk) = 0.0 |
---|
| 332 | |
---|
| 333 | ! slopes |
---|
| 334 | DO jk = 2, jpkm1 |
---|
| 335 | DO jj = 1,jpj |
---|
| 336 | DO ji = 1, jpi |
---|
| 337 | zign = 0.25 + SIGN( 0.25, ztraz(ji,jj,jk) * ztraz(ji,jj,jk+1) ) |
---|
| 338 | zakz(ji,jj,jk) = ( ztraz(ji,jj,jk) + ztraz(ji,jj,jk+1) ) * zign |
---|
| 339 | END DO |
---|
| 340 | END DO |
---|
| 341 | END DO |
---|
| 342 | |
---|
| 343 | ! Slopes limitation |
---|
| 344 | DO jk = 2, jpkm1 |
---|
| 345 | DO jj = 1, jpj |
---|
| 346 | DO ji = 1, jpi |
---|
| 347 | zakz(ji,jj,jk) = SIGN( 1., zakz(ji,jj,jk) ) * & |
---|
| 348 | & MIN( ABS( zakz(ji,jj,jk) ), 2. * ABS(ztraz(ji,jj,jk+1)), 2. * ABS(ztraz(ji,jj,jk) ) ) |
---|
| 349 | END DO |
---|
| 350 | END DO |
---|
| 351 | END DO |
---|
| 352 | |
---|
| 353 | ! vertical advective flux |
---|
| 354 | DO jk = 1, jpkm1 |
---|
| 355 | DO jj = 1, jpj |
---|
| 356 | DO ji = 1, jpi |
---|
[6140] | 357 | zigma = zwsink2(ji,jj,jk+1) * zstep / e3w_n(ji,jj,jk+1) |
---|
[3443] | 358 | zew = zwsink2(ji,jj,jk+1) |
---|
[5385] | 359 | psinkflx(ji,jj,jk+1) = -zew * ( trb(ji,jj,jk,jp_tra) - 0.5 * ( 1 + zigma ) * zakz(ji,jj,jk) ) * zstep |
---|
[3443] | 360 | END DO |
---|
| 361 | END DO |
---|
| 362 | END DO |
---|
| 363 | ! |
---|
| 364 | ! Boundary conditions |
---|
| 365 | psinkflx(:,:,1 ) = 0.e0 |
---|
| 366 | psinkflx(:,:,jpk) = 0.e0 |
---|
| 367 | |
---|
| 368 | DO jk=1,jpkm1 |
---|
| 369 | DO jj = 1,jpj |
---|
| 370 | DO ji = 1, jpi |
---|
[6140] | 371 | zflx = ( psinkflx(ji,jj,jk) - psinkflx(ji,jj,jk+1) ) / e3t_n(ji,jj,jk) |
---|
[5385] | 372 | trb(ji,jj,jk,jp_tra) = trb(ji,jj,jk,jp_tra) + zflx |
---|
[3443] | 373 | END DO |
---|
| 374 | END DO |
---|
| 375 | END DO |
---|
| 376 | |
---|
| 377 | ENDDO |
---|
| 378 | |
---|
[3494] | 379 | DO jk = 1,jpkm1 |
---|
[3443] | 380 | DO jj = 1,jpj |
---|
| 381 | DO ji = 1, jpi |
---|
[6140] | 382 | zflx = ( psinkflx(ji,jj,jk) - psinkflx(ji,jj,jk+1) ) / e3t_n(ji,jj,jk) |
---|
[3494] | 383 | ztrb(ji,jj,jk) = ztrb(ji,jj,jk) + 2. * zflx |
---|
[3443] | 384 | END DO |
---|
| 385 | END DO |
---|
| 386 | END DO |
---|
| 387 | |
---|
[5385] | 388 | trb(:,:,:,jp_tra) = ztrb(:,:,:) |
---|
[3494] | 389 | psinkflx(:,:,:) = 2. * psinkflx(:,:,:) |
---|
[3443] | 390 | ! |
---|
[3494] | 391 | CALL wrk_dealloc( jpi, jpj, jpk, ztraz, zakz, zwsink2, ztrb ) |
---|
[3443] | 392 | ! |
---|
| 393 | IF( nn_timing == 1 ) CALL timing_stop('p4z_sink2') |
---|
| 394 | ! |
---|
| 395 | END SUBROUTINE p4z_sink2 |
---|
| 396 | |
---|
| 397 | |
---|
| 398 | INTEGER FUNCTION p4z_sink_alloc() |
---|
| 399 | !!---------------------------------------------------------------------- |
---|
| 400 | !! *** ROUTINE p4z_sink_alloc *** |
---|
| 401 | !!---------------------------------------------------------------------- |
---|
[7391] | 402 | INTEGER :: ierr(3) |
---|
| 403 | |
---|
| 404 | ierr(:) = 0 |
---|
| 405 | ! |
---|
| 406 | ALLOCATE( sinking(jpi,jpj,jpk) , sinking2(jpi,jpj,jpk) , & |
---|
| 407 | & sinkcal(jpi,jpj,jpk) , sinksil (jpi,jpj,jpk) , & |
---|
| 408 | & sinkfer2(jpi,jpj,jpk) , & |
---|
| 409 | & sinkfer(jpi,jpj,jpk) , STAT=ierr(1) ) |
---|
[3443] | 410 | ! |
---|
[7391] | 411 | IF( ln_ligand ) ALLOCATE( sinkfep(jpi,jpj,jpk) , STAT=ierr(2) ) |
---|
| 412 | |
---|
| 413 | IF( ln_p5z ) ALLOCATE( sinkingn(jpi,jpj,jpk), sinking2n(jpi,jpj,jpk) , & |
---|
| 414 | & sinkingp(jpi,jpj,jpk), sinking2p(jpi,jpj,jpk) , STAT=ierr(3) ) |
---|
| 415 | ! |
---|
| 416 | p4z_sink_alloc = MAXVAL( ierr ) |
---|
[3443] | 417 | IF( p4z_sink_alloc /= 0 ) CALL ctl_warn('p4z_sink_alloc : failed to allocate arrays.') |
---|
| 418 | ! |
---|
| 419 | END FUNCTION p4z_sink_alloc |
---|
| 420 | |
---|
| 421 | !!====================================================================== |
---|
[5656] | 422 | END MODULE p4zsink |
---|