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- 2016-11-30T17:56:53+01:00 (8 years ago)
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branches/2016/dev_merge_2016/NEMOGCM/NEMO/TOP_SRC/PISCES/P4Z/p4zsed.F90
r6140 r7403 9 9 !! 3.5 ! 2012-07 (O. Aumont) improvment of river input of nutrients 10 10 !!---------------------------------------------------------------------- 11 #if defined key_pisces12 !!----------------------------------------------------------------------13 !! 'key_pisces' PISCES bio-model14 !!----------------------------------------------------------------------15 11 !! p4z_sed : Compute loss of organic matter in the sediments 16 12 !!---------------------------------------------------------------------- … … 18 14 USE trc ! passive tracers common variables 19 15 USE sms_pisces ! PISCES Source Minus Sink variables 20 USE p4zsink ! vertical flux of particulate matter due to sinking21 USE p4zopt ! optical model22 16 USE p4zlim ! Co-limitations of differents nutrients 23 17 USE p4zsbc ! External source of nutrients … … 56 50 INTEGER, INTENT(in) :: kt, knt ! ocean time step 57 51 INTEGER :: ji, jj, jk, ikt 58 #if ! defined key_sed59 52 REAL(wp) :: zsumsedsi, zsumsedpo4, zsumsedcal 60 53 REAL(wp) :: zrivalk, zrivsil, zrivno3 61 #endif62 54 REAL(wp) :: zwflux, zfminus, zfplus 63 55 REAL(wp) :: zlim, zfact, zfactcal 64 56 REAL(wp) :: zo2, zno3, zflx, zpdenit, z1pdenit, zdenitt, zolimit 65 REAL(wp) :: zsiloss, zcaloss, zws3, zws4, zwsc, zdep, zwstpoc 66 REAL(wp) :: ztrfer, ztrpo4, zwdust, zlight 57 REAL(wp) :: zsiloss, zcaloss, zws3, zws4, zwsc, zdep 58 REAL(wp) :: zwstpoc, zwstpon, zwstpop 59 REAL(wp) :: ztrfer, ztrpo4s, ztrdp, zwdust, zmudia, ztemp 60 REAL(wp) :: xdiano3, xdianh4 61 REAL(wp) :: zwssfep 67 62 ! 68 63 CHARACTER (len=25) :: charout 69 REAL(wp), POINTER, DIMENSION(:,: ) :: z pdep, zsidep, zwork1, zwork2, zwork364 REAL(wp), POINTER, DIMENSION(:,: ) :: zsidep, zwork1, zwork2, zwork3 70 65 REAL(wp), POINTER, DIMENSION(:,: ) :: zdenit2d, zironice, zbureff 71 66 REAL(wp), POINTER, DIMENSION(:,: ) :: zwsbio3, zwsbio4, zwscal 72 REAL(wp), POINTER, DIMENSION(:,:,:) :: zirondep, zsoufer 67 REAL(wp), POINTER, DIMENSION(:,: ) :: zsedcal, zsedsi, zsedc 68 REAL(wp), POINTER, DIMENSION(:,:,:) :: ztrpo4, ztrdop, zirondep, zsoufer, zpdep, zlight 69 REAL(wp), POINTER, DIMENSION(:,: ) :: zwsfep 70 73 71 !!--------------------------------------------------------------------- 74 72 ! … … 78 76 ! 79 77 ! Allocate temporary workspace 80 CALL wrk_alloc( jpi, jpj, zdenit2d, zwork1, zwork2, zwork3, zbureff ) 81 CALL wrk_alloc( jpi, jpj, zwsbio3, zwsbio4, zwscal ) 82 CALL wrk_alloc( jpi, jpj, jpk, zsoufer ) 78 CALL wrk_alloc( jpi, jpj, zdenit2d, zwork1, zwork2, zwork3, zbureff ) 79 CALL wrk_alloc( jpi, jpj, zwsbio3, zwsbio4, zwscal ) 80 CALL wrk_alloc( jpi, jpj, zsedcal, zsedsi, zsedc ) 81 CALL wrk_alloc( jpi, jpj, jpk, zlight, zsoufer ) 82 IF( ln_p5z ) CALL wrk_alloc( jpi, jpj, jpk, ztrpo4, ztrdop ) 83 IF( ln_ligand ) CALL wrk_alloc( jpi, jpj, zwsfep ) 84 83 85 84 86 zdenit2d(:,:) = 0.e0 … … 87 89 zwork2 (:,:) = 0.e0 88 90 zwork3 (:,:) = 0.e0 91 zsedsi (:,:) = 0.e0 92 zsedcal (:,:) = 0.e0 93 zsedc (:,:) = 0.e0 94 89 95 90 96 ! Iron input/uptake due to sea ice : Crude parameterization based on Lancelot et al. … … 117 123 IF( ln_dust ) THEN 118 124 ! 119 CALL wrk_alloc( jpi, jpj, z pdep, zsidep )120 CALL wrk_alloc( jpi, jpj, jpk, z irondep )125 CALL wrk_alloc( jpi, jpj, zsidep ) 126 CALL wrk_alloc( jpi, jpj, jpk, zpdep, zirondep ) 121 127 ! ! Iron and Si deposition at the surface 122 128 IF( ln_solub ) THEN … … 125 131 zirondep(:,:,1) = dustsolub * dust(:,:) * mfrac * rfact2 / e3t_n(:,:,1) / 55.85 + 3.e-10 * r1_ryyss 126 132 ENDIF 127 zsidep(:,:) = 8.8 * 0.075 * dust(:,:) * mfrac * rfact2 / e3t_n(:,:,1) / 28.1128 zpdep (:,: ) = 0.1 * 0.021 * dust(:,:) * mfrac * rfact2 / e3t_n(:,:,1) / 31. / po4r133 zsidep(:,:) = 8.8 * 0.075 * dust(:,:) * mfrac * rfact2 / e3t_n(:,:,1) / 28.1 134 zpdep (:,:,1) = 0.1 * 0.021 * dust(:,:) * mfrac * rfact2 / e3t_n(:,:,1) / 31. / po4r 129 135 ! ! Iron solubilization of particles in the water column 130 136 ! ! dust in kg/m2/s ---> 1/55.85 to put in mol/Fe ; wdust in m/j … … 132 138 DO jk = 2, jpkm1 133 139 zirondep(:,:,jk) = dust(:,:) * mfrac * zwdust * rfact2 * EXP( -gdept_n(:,:,jk) / 540. ) 140 zpdep (:,:,jk) = zirondep(:,:,jk) * 0.023 134 141 END DO 135 142 ! ! Iron solubilization of particles in the water column 136 tra(:,:,1,jppo4) = tra(:,:,1,jppo4) + zpdep (:,:)137 143 tra(:,:,1,jpsil) = tra(:,:,1,jpsil) + zsidep (:,:) 144 tra(:,:,:,jppo4) = tra(:,:,:,jppo4) + zpdep (:,:,:) 138 145 tra(:,:,:,jpfer) = tra(:,:,:,jpfer) + zirondep(:,:,:) 139 146 ! … … 145 152 & CALL iom_put( "pdust" , dust(:,:) / ( wdust * rday ) * tmask(:,:,1) ) ! dust concentration at surface 146 153 ENDIF 147 ELSE148 IF( ln_diatrc ) &149 & trc2d(:,:,jp_pcs0_2d + 11) = zirondep(:,:,1) * 1.e+3 * rfact2r * e3t_n(:,:,1) * tmask(:,:,1)150 154 ENDIF 151 CALL wrk_dealloc( jpi, jpj, z pdep, zsidep )152 CALL wrk_dealloc( jpi, jpj, jpk, z irondep )155 CALL wrk_dealloc( jpi, jpj, zsidep ) 156 CALL wrk_dealloc( jpi, jpj, jpk, zpdep, zirondep ) 153 157 ! 154 158 ENDIF … … 169 173 ENDDO 170 174 ENDDO 175 IF( ln_p5z ) THEN 176 DO jj = 1, jpj 177 DO ji = 1, jpi 178 DO jk = 1, nk_rnf(ji,jj) 179 tra(ji,jj,jk,jpdop) = tra(ji,jj,jk,jpdop) + rivdop(ji,jj) * rfact2 180 tra(ji,jj,jk,jpdon) = tra(ji,jj,jk,jpdon) + rivdon(ji,jj) * rfact2 181 tra(ji,jj,jk,jpdoc) = tra(ji,jj,jk,jpdoc) + rivdoc(ji,jj) * rfact2 182 ENDDO 183 ENDDO 184 ENDDO 185 ENDIF 171 186 ENDIF 172 187 … … 181 196 ! ------------------------------------------------------ 182 197 IF( ln_ironsed ) THEN 183 tra(:,:,:,jpfer) = tra(:,:,:,jpfer) + ironsed(:,:,:) * rfact2 198 tra(:,:,:,jpfer) = tra(:,:,:,jpfer) + ironsed(:,:,:) * rfact2 199 IF( ln_ligand ) tra(:,:,:,jpfep) = tra(:,:,:,jpfep) + ( ironsed(:,:,:) * fep_rats ) * rfact2 184 200 ! 185 201 IF( lk_iomput .AND. knt == nrdttrc .AND. iom_use( "Ironsed" ) ) & … … 190 206 ! ------------------------------------------------------ 191 207 IF( ln_hydrofe ) THEN 192 tra(:,:,:,jpfer) = tra(:,:,:,jpfer) + hydrofe(:,:,:) * rfact2 208 tra(:,:,:,jpfer) = tra(:,:,:,jpfer) + hydrofe(:,:,:) * rfact2 209 IF( ln_ligand ) THEN 210 tra(:,:,:,jpfep) = tra(:,:,:,jpfep) + ( hydrofe(:,:,:) * fep_rath ) * rfact2 211 tra(:,:,:,jplgw) = tra(:,:,:,jplgw) + ( hydrofe(:,:,:) * lgw_rath ) * rfact2 212 ENDIF 193 213 ! 194 214 IF( lk_iomput .AND. knt == nrdttrc .AND. iom_use( "HYDR" ) ) & … … 196 216 ENDIF 197 217 198 ! OA: Warning, the following part is necessary, especially with Kriest 199 ! to avoid CFL problems above the sediments 218 ! OA: Warning, the following part is necessary to avoid CFL problems above the sediments 200 219 ! -------------------------------------------------------------------- 201 220 DO jj = 1, jpj … … 208 227 END DO 209 228 END DO 210 211 #if ! defined key_sed 212 ! Computation of the sediment denitrification proportion: The metamodel from midlleburg (2006) is being used 213 ! Computation of the fraction of organic matter that is permanently buried from Dunne's model 214 ! ------------------------------------------------------- 215 DO jj = 1, jpj 216 DO ji = 1, jpi 217 IF( tmask(ji,jj,1) == 1 ) THEN 218 ikt = mbkt(ji,jj) 219 # if defined key_kriest 220 zflx = trb(ji,jj,ikt,jppoc) * zwsbio3(ji,jj) * 1E3 * 1E6 / 1E4 221 # else 222 zflx = ( trb(ji,jj,ikt,jpgoc) * zwsbio4(ji,jj) & 223 & + trb(ji,jj,ikt,jppoc) * zwsbio3(ji,jj) ) * 1E3 * 1E6 / 1E4 224 #endif 225 zflx = LOG10( MAX( 1E-3, zflx ) ) 226 zo2 = LOG10( MAX( 10. , trb(ji,jj,ikt,jpoxy) * 1E6 ) ) 227 zno3 = LOG10( MAX( 1. , trb(ji,jj,ikt,jpno3) * 1E6 * rno3 ) ) 228 zdep = LOG10( gdepw_n(ji,jj,ikt+1) ) 229 zdenit2d(ji,jj) = -2.2567 - 1.185 * zflx - 0.221 * zflx**2 - 0.3995 * zno3 * zo2 + 1.25 * zno3 & 230 & + 0.4721 * zo2 - 0.0996 * zdep + 0.4256 * zflx * zo2 231 zdenit2d(ji,jj) = 10.0**( zdenit2d(ji,jj) ) 232 ! 233 zflx = ( trb(ji,jj,ikt,jpgoc) * zwsbio4(ji,jj) & 234 & + trb(ji,jj,ikt,jppoc) * zwsbio3(ji,jj) ) * 1E6 235 zbureff(ji,jj) = 0.013 + 0.53 * zflx**2 / ( 7.0 + zflx )**2 236 ENDIF 237 END DO 238 END DO 239 240 ! Loss of biogenic silicon, Caco3 organic carbon in the sediments. 241 ! First, the total loss is computed. 242 ! The factor for calcite comes from the alkalinity effect 243 ! ------------------------------------------------------------- 244 DO jj = 1, jpj 245 DO ji = 1, jpi 246 IF( tmask(ji,jj,1) == 1 ) THEN 247 ikt = mbkt(ji,jj) 248 # if defined key_kriest 249 zwork1(ji,jj) = trb(ji,jj,ikt,jpgsi) * zwscal (ji,jj) 250 zwork2(ji,jj) = trb(ji,jj,ikt,jppoc) * zwsbio3(ji,jj) 251 # else 252 zwork1(ji,jj) = trb(ji,jj,ikt,jpgsi) * zwsbio4(ji,jj) 253 zwork2(ji,jj) = trb(ji,jj,ikt,jpgoc) * zwsbio4(ji,jj) + trb(ji,jj,ikt,jppoc) * zwsbio3(ji,jj) 254 # endif 255 ! For calcite, burial efficiency is made a function of saturation 256 zfactcal = MIN( excess(ji,jj,ikt), 0.2 ) 257 zfactcal = MIN( 1., 1.3 * ( 0.2 - zfactcal ) / ( 0.4 - zfactcal ) ) 258 zwork3(ji,jj) = trb(ji,jj,ikt,jpcal) * zwscal(ji,jj) * 2.e0 * zfactcal 259 ENDIF 260 END DO 261 END DO 262 zsumsedsi = glob_sum( zwork1(:,:) * e1e2t(:,:) ) * r1_rday 263 zsumsedpo4 = glob_sum( zwork2(:,:) * e1e2t(:,:) ) * r1_rday 264 zsumsedcal = glob_sum( zwork3(:,:) * e1e2t(:,:) ) * r1_rday 265 #endif 229 ! 230 IF( ln_ligand ) THEN 231 DO jj = 1, jpj 232 DO ji = 1, jpi 233 ikt = mbkt(ji,jj) 234 zdep = e3t_n(ji,jj,ikt) / xstep 235 zwsfep(ji,jj) = MIN( 0.99 * zdep, wsfep(ji,jj,ikt) ) 236 END DO 237 ENDDO 238 ENDIF 239 240 IF( .NOT.lk_sed ) THEN 241 ! Computation of the sediment denitrification proportion: The metamodel from midlleburg (2006) is being used 242 ! Computation of the fraction of organic matter that is permanently buried from Dunne's model 243 ! ------------------------------------------------------- 244 DO jj = 1, jpj 245 DO ji = 1, jpi 246 IF( tmask(ji,jj,1) == 1 ) THEN 247 ikt = mbkt(ji,jj) 248 zflx = ( trb(ji,jj,ikt,jpgoc) * zwsbio4(ji,jj) & 249 & + trb(ji,jj,ikt,jppoc) * zwsbio3(ji,jj) ) * 1E3 * 1E6 / 1E4 250 zflx = LOG10( MAX( 1E-3, zflx ) ) 251 zo2 = LOG10( MAX( 10. , trb(ji,jj,ikt,jpoxy) * 1E6 ) ) 252 zno3 = LOG10( MAX( 1. , trb(ji,jj,ikt,jpno3) * 1E6 * rno3 ) ) 253 zdep = LOG10( gdepw_n(ji,jj,ikt+1) ) 254 zdenit2d(ji,jj) = -2.2567 - 1.185 * zflx - 0.221 * zflx**2 - 0.3995 * zno3 * zo2 + 1.25 * zno3 & 255 & + 0.4721 * zo2 - 0.0996 * zdep + 0.4256 * zflx * zo2 256 zdenit2d(ji,jj) = 10.0**( zdenit2d(ji,jj) ) 257 ! 258 zflx = ( trb(ji,jj,ikt,jpgoc) * zwsbio4(ji,jj) & 259 & + trb(ji,jj,ikt,jppoc) * zwsbio3(ji,jj) ) * 1E6 260 zbureff(ji,jj) = 0.013 + 0.53 * zflx**2 / ( 7.0 + zflx )**2 261 ENDIF 262 END DO 263 END DO 264 265 ! Loss of biogenic silicon, Caco3 organic carbon in the sediments. 266 ! First, the total loss is computed. 267 ! The factor for calcite comes from the alkalinity effect 268 ! ------------------------------------------------------------- 269 DO jj = 1, jpj 270 DO ji = 1, jpi 271 IF( tmask(ji,jj,1) == 1 ) THEN 272 ikt = mbkt(ji,jj) 273 zwork1(ji,jj) = trb(ji,jj,ikt,jpgsi) * zwsbio4(ji,jj) 274 zwork2(ji,jj) = trb(ji,jj,ikt,jpgoc) * zwsbio4(ji,jj) + trb(ji,jj,ikt,jppoc) * zwsbio3(ji,jj) 275 ! For calcite, burial efficiency is made a function of saturation 276 zfactcal = MIN( excess(ji,jj,ikt), 0.2 ) 277 zfactcal = MIN( 1., 1.3 * ( 0.2 - zfactcal ) / ( 0.4 - zfactcal ) ) 278 zwork3(ji,jj) = trb(ji,jj,ikt,jpcal) * zwscal(ji,jj) * 2.e0 * zfactcal 279 ENDIF 280 END DO 281 END DO 282 zsumsedsi = glob_sum( zwork1(:,:) * e1e2t(:,:) ) * r1_rday 283 zsumsedpo4 = glob_sum( zwork2(:,:) * e1e2t(:,:) ) * r1_rday 284 zsumsedcal = glob_sum( zwork3(:,:) * e1e2t(:,:) ) * r1_rday 285 ! 286 ENDIF 266 287 267 288 ! This loss is scaled at each bottom grid cell for equilibrating the total budget of silica in the ocean. 268 289 ! Thus, the amount of silica lost in the sediments equal the supply at the surface (dust+rivers) 269 290 ! ------------------------------------------------------ 270 #if ! defined key_sed 271 zrivsil = 1._wp - ( sumdepsi + rivdsiinput * r1_ryyss ) / ( zsumsedsi + rtrn ) 272 #endif 291 IF( .NOT.lk_sed ) zrivsil = 1._wp - ( sumdepsi + rivdsiinput * r1_ryyss ) / ( zsumsedsi + rtrn ) 273 292 274 293 DO jj = 1, jpj … … 276 295 ikt = mbkt(ji,jj) 277 296 zdep = xstep / e3t_n(ji,jj,ikt) 278 zws4 = zwsbio4(ji,jj) * zdep279 297 zwsc = zwscal (ji,jj) * zdep 280 # if defined key_kriest281 zsiloss = trb(ji,jj,ikt,jpgsi) * zws4282 # else283 298 zsiloss = trb(ji,jj,ikt,jpgsi) * zwsc 284 # endif285 299 zcaloss = trb(ji,jj,ikt,jpcal) * zwsc 286 300 ! 287 301 tra(ji,jj,ikt,jpgsi) = tra(ji,jj,ikt,jpgsi) - zsiloss 288 302 tra(ji,jj,ikt,jpcal) = tra(ji,jj,ikt,jpcal) - zcaloss 289 #if ! defined key_sed290 tra(ji,jj,ikt,jpsil) = tra(ji,jj,ikt,jpsil) + zsiloss * zrivsil291 zfactcal = MIN( excess(ji,jj,ikt), 0.2 )292 zfactcal = MIN( 1., 1.3 * ( 0.2 - zfactcal ) / ( 0.4 - zfactcal ) )293 zrivalk = 1._wp - ( rivalkinput * r1_ryyss ) * zfactcal / ( zsumsedcal + rtrn )294 tra(ji,jj,ikt,jptal) = tra(ji,jj,ikt,jptal) + zcaloss * zrivalk * 2.0295 tra(ji,jj,ikt,jpdic) = tra(ji,jj,ikt,jpdic) + zcaloss * zrivalk296 #endif297 303 END DO 298 304 END DO 299 305 ! 306 IF( .NOT.lk_sed ) THEN 307 DO jj = 1, jpj 308 DO ji = 1, jpi 309 ikt = mbkt(ji,jj) 310 zdep = xstep / e3t_n(ji,jj,ikt) 311 zwsc = zwscal (ji,jj) * zdep 312 zsiloss = trb(ji,jj,ikt,jpgsi) * zwsc 313 zcaloss = trb(ji,jj,ikt,jpcal) * zwsc 314 tra(ji,jj,ikt,jpsil) = tra(ji,jj,ikt,jpsil) + zsiloss * zrivsil 315 ! 316 zfactcal = MIN( excess(ji,jj,ikt), 0.2 ) 317 zfactcal = MIN( 1., 1.3 * ( 0.2 - zfactcal ) / ( 0.4 - zfactcal ) ) 318 zrivalk = 1._wp - ( rivalkinput * r1_ryyss ) * zfactcal / ( zsumsedcal + rtrn ) 319 tra(ji,jj,ikt,jptal) = tra(ji,jj,ikt,jptal) + zcaloss * zrivalk * 2.0 320 tra(ji,jj,ikt,jpdic) = tra(ji,jj,ikt,jpdic) + zcaloss * zrivalk 321 zsedcal(ji,jj) = (1.0 - zrivalk) * zcaloss / zdep 322 zsedsi (ji,jj) = (1.0 - zrivsil) * zsiloss / zdep 323 END DO 324 END DO 325 ENDIF 326 ! 300 327 DO jj = 1, jpj 301 328 DO ji = 1, jpi … … 304 331 zws4 = zwsbio4(ji,jj) * zdep 305 332 zws3 = zwsbio3(ji,jj) * zdep 306 zrivno3 = 1. - zbureff(ji,jj)307 # if ! defined key_kriest308 333 tra(ji,jj,ikt,jpgoc) = tra(ji,jj,ikt,jpgoc) - trb(ji,jj,ikt,jpgoc) * zws4 309 334 tra(ji,jj,ikt,jppoc) = tra(ji,jj,ikt,jppoc) - trb(ji,jj,ikt,jppoc) * zws3 310 335 tra(ji,jj,ikt,jpbfe) = tra(ji,jj,ikt,jpbfe) - trb(ji,jj,ikt,jpbfe) * zws4 311 336 tra(ji,jj,ikt,jpsfe) = tra(ji,jj,ikt,jpsfe) - trb(ji,jj,ikt,jpsfe) * zws3 312 zwstpoc = trb(ji,jj,ikt,jpgoc) * zws4 + trb(ji,jj,ikt,jppoc) * zws3313 # else314 tra(ji,jj,ikt,jpnum) = tra(ji,jj,ikt,jpnum) - trb(ji,jj,ikt,jpnum) * zws4315 tra(ji,jj,ikt,jppoc) = tra(ji,jj,ikt,jppoc) - trb(ji,jj,ikt,jppoc) * zws3316 tra(ji,jj,ikt,jpsfe) = tra(ji,jj,ikt,jpsfe) - trb(ji,jj,ikt,jpsfe) * zws3317 zwstpoc = trb(ji,jj,ikt,jppoc) * zws3318 # endif319 320 #if ! defined key_sed321 ! The 0.5 factor in zpdenit and zdenitt is to avoid negative NO3 concentration after both denitrification322 ! in the sediments and just above the sediments. Not very clever, but simpliest option.323 zpdenit = MIN( 0.5 * ( trb(ji,jj,ikt,jpno3) - rtrn ) / rdenit, zdenit2d(ji,jj) * zwstpoc * zrivno3 )324 z1pdenit = zwstpoc * zrivno3 - zpdenit325 zolimit = MIN( ( trb(ji,jj,ikt,jpoxy) - rtrn ) / o2ut, z1pdenit * ( 1.- nitrfac(ji,jj,ikt) ) )326 zdenitt = MIN( 0.5 * ( trb(ji,jj,ikt,jpno3) - rtrn ) / rdenit, z1pdenit * nitrfac(ji,jj,ikt) )327 tra(ji,jj,ikt,jpdoc) = tra(ji,jj,ikt,jpdoc) + z1pdenit - zolimit - zdenitt328 tra(ji,jj,ikt,jppo4) = tra(ji,jj,ikt,jppo4) + zpdenit + zolimit + zdenitt329 tra(ji,jj,ikt,jpnh4) = tra(ji,jj,ikt,jpnh4) + zpdenit + zolimit + zdenitt330 tra(ji,jj,ikt,jpno3) = tra(ji,jj,ikt,jpno3) - rdenit * (zpdenit + zdenitt)331 tra(ji,jj,ikt,jpoxy) = tra(ji,jj,ikt,jpoxy) - zolimit * o2ut332 tra(ji,jj,ikt,jptal) = tra(ji,jj,ikt,jptal) + rno3 * (zolimit + (1.+rdenit) * (zpdenit + zdenitt) )333 tra(ji,jj,ikt,jpdic) = tra(ji,jj,ikt,jpdic) + zpdenit + zolimit + zdenitt334 sdenit(ji,jj) = rdenit * zpdenit * e3t_n(ji,jj,ikt)335 #endif336 337 END DO 337 338 END DO 339 ! 340 IF( ln_ligand ) THEN 341 DO jj = 1, jpj 342 DO ji = 1, jpi 343 ikt = mbkt(ji,jj) 344 zdep = xstep / e3t_n(ji,jj,ikt) 345 zwssfep = zwsfep(ji,jj) * zdep 346 tra(ji,jj,ikt,jpfep) = tra(ji,jj,ikt,jpfep) - trb(ji,jj,ikt,jpfep) * zwssfep 347 END DO 348 END DO 349 ENDIF 350 ! 351 IF( ln_p5z ) THEN 352 DO jj = 1, jpj 353 DO ji = 1, jpi 354 ikt = mbkt(ji,jj) 355 zdep = xstep / e3t_n(ji,jj,ikt) 356 zws4 = zwsbio4(ji,jj) * zdep 357 zws3 = zwsbio3(ji,jj) * zdep 358 tra(ji,jj,ikt,jpgon) = tra(ji,jj,ikt,jpgon) - trb(ji,jj,ikt,jpgon) * zws4 359 tra(ji,jj,ikt,jppon) = tra(ji,jj,ikt,jppon) - trb(ji,jj,ikt,jppon) * zws3 360 tra(ji,jj,ikt,jpgop) = tra(ji,jj,ikt,jpgop) - trb(ji,jj,ikt,jpgop) * zws4 361 tra(ji,jj,ikt,jppop) = tra(ji,jj,ikt,jppop) - trb(ji,jj,ikt,jppop) * zws3 362 END DO 363 END DO 364 ENDIF 365 366 IF( .NOT.lk_sed ) THEN 367 ! The 0.5 factor in zpdenit and zdenitt is to avoid negative NO3 concentration after both denitrification 368 ! in the sediments and just above the sediments. Not very clever, but simpliest option. 369 DO jj = 1, jpj 370 DO ji = 1, jpi 371 ikt = mbkt(ji,jj) 372 zdep = xstep / e3t_n(ji,jj,ikt) 373 zws4 = zwsbio4(ji,jj) * zdep 374 zws3 = zwsbio3(ji,jj) * zdep 375 zrivno3 = 1. - zbureff(ji,jj) 376 zwstpoc = trb(ji,jj,ikt,jpgoc) * zws4 + trb(ji,jj,ikt,jppoc) * zws3 377 zpdenit = MIN( 0.5 * ( trb(ji,jj,ikt,jpno3) - rtrn ) / rdenit, zdenit2d(ji,jj) * zwstpoc * zrivno3 ) 378 z1pdenit = zwstpoc * zrivno3 - zpdenit 379 zolimit = MIN( ( trb(ji,jj,ikt,jpoxy) - rtrn ) / o2ut, z1pdenit * ( 1.- nitrfac(ji,jj,ikt) ) ) 380 zdenitt = MIN( 0.5 * ( trb(ji,jj,ikt,jpno3) - rtrn ) / rdenit, z1pdenit * nitrfac(ji,jj,ikt) ) 381 tra(ji,jj,ikt,jpdoc) = tra(ji,jj,ikt,jpdoc) + z1pdenit - zolimit - zdenitt 382 tra(ji,jj,ikt,jppo4) = tra(ji,jj,ikt,jppo4) + zpdenit + zolimit + zdenitt 383 tra(ji,jj,ikt,jpnh4) = tra(ji,jj,ikt,jpnh4) + zpdenit + zolimit + zdenitt 384 tra(ji,jj,ikt,jpno3) = tra(ji,jj,ikt,jpno3) - rdenit * (zpdenit + zdenitt) 385 tra(ji,jj,ikt,jpoxy) = tra(ji,jj,ikt,jpoxy) - zolimit * o2ut 386 tra(ji,jj,ikt,jptal) = tra(ji,jj,ikt,jptal) + rno3 * (zolimit + (1.+rdenit) * (zpdenit + zdenitt) ) 387 tra(ji,jj,ikt,jpdic) = tra(ji,jj,ikt,jpdic) + zpdenit + zolimit + zdenitt 388 sdenit(ji,jj) = rdenit * zpdenit * e3t_n(ji,jj,ikt) 389 zsedc(ji,jj) = (1. - zrivno3) * zwstpoc / zdep 390 IF( ln_p5z ) THEN 391 zwstpop = trb(ji,jj,ikt,jpgop) * zws4 + trb(ji,jj,ikt,jppop) * zws3 392 zwstpon = trb(ji,jj,ikt,jpgon) * zws4 + trb(ji,jj,ikt,jppon) * zws3 393 tra(ji,jj,ikt,jpdon) = tra(ji,jj,ikt,jpdon) + (z1pdenit - zolimit - zdenitt) * zwstpon / (zwstpoc + rtrn) 394 tra(ji,jj,ikt,jpdop) = tra(ji,jj,ikt,jpdop) + (z1pdenit - zolimit - zdenitt) * zwstpop / (zwstpoc + rtrn) 395 ENDIF 396 END DO 397 END DO 398 ENDIF 399 338 400 339 401 ! Nitrogen fixation process … … 341 403 !----------------------------------- 342 404 DO jk = 1, jpkm1 343 DO jj = 1, jpj 344 DO ji = 1, jpi 345 ! ! Potential nitrogen fixation dependant on temperature and iron 346 zlim = ( 1.- xnanono3(ji,jj,jk) - xnanonh4(ji,jj,jk) ) 347 IF( zlim <= 0.2 ) zlim = 0.01 348 #if defined key_degrad 349 zfact = zlim * rfact2 * facvol(ji,jj,jk) 350 #else 351 zfact = zlim * rfact2 352 #endif 353 ztrfer = biron(ji,jj,jk) / ( concfediaz + biron(ji,jj,jk) ) 354 ztrpo4 = trb (ji,jj,jk,jppo4) / ( concnnh4 + trb (ji,jj,jk,jppo4) ) 355 zlight = ( 1.- EXP( -etot_ndcy(ji,jj,jk) / diazolight ) ) 356 nitrpot(ji,jj,jk) = MAX( 0.e0, ( 0.6 * tgfunc(ji,jj,jk) - 2.15 ) * r1_rday ) & 357 & * zfact * MIN( ztrfer, ztrpo4 ) * zlight 358 zsoufer(ji,jj,jk) = zlight * 2E-11 / (2E-11 + biron(ji,jj,jk)) 359 END DO 360 END DO 361 END DO 405 zlight (:,:,jk) = ( 1.- EXP( -etot_ndcy(:,:,jk) / diazolight ) ) * ( 1. - fr_i(:,:) ) 406 zsoufer(:,:,jk) = zlight(:,:,jk) * 2E-11 / ( 2E-11 + biron(:,:,jk) ) 407 ENDDO 408 IF( ln_p4z ) THEN 409 DO jk = 1, jpkm1 410 DO jj = 1, jpj 411 DO ji = 1, jpi 412 ! ! Potential nitrogen fixation dependant on temperature and iron 413 zlim = ( 1.- xnanono3(ji,jj,jk) - xnanonh4(ji,jj,jk) ) 414 IF( zlim <= 0.2 ) zlim = 0.01 415 zfact = zlim * rfact2 416 417 ztrfer = biron(ji,jj,jk) / ( concfediaz + biron(ji,jj,jk) ) 418 ztrpo4s = trb (ji,jj,jk,jppo4) / ( concnnh4 + trb (ji,jj,jk,jppo4) ) 419 nitrpot(ji,jj,jk) = MAX( 0.e0, ( 0.6 * tgfunc(ji,jj,jk) - 2.15 ) * r1_rday ) & 420 & * zfact * MIN( ztrfer, ztrpo4s ) * zlight(ji,jj,jk) 421 END DO 422 END DO 423 END DO 424 ELSE ! p5z 425 DO jk = 1, jpkm1 426 DO jj = 1, jpj 427 DO ji = 1, jpi 428 ! ! Potential nitrogen fixation dependant on temperature and iron 429 ztemp = tsn(ji,jj,jk,jp_tem) 430 zmudia = MAX( 0.,-0.001096*ztemp**2 + 0.057*ztemp -0.637 ) * 7.625 431 ! Potential nitrogen fixation dependant on temperature and iron 432 xdianh4 = trb(ji,jj,jk,jpnh4) / ( concnnh4 + trb(ji,jj,jk,jpnh4) ) 433 xdiano3 = trb(ji,jj,jk,jpno3) / ( concnno3 + trb(ji,jj,jk,jpno3) ) * (1. - xdianh4) 434 zlim = ( 1.- xdiano3 - xdianh4 ) 435 IF( zlim <= 0.1 ) zlim = 0.01 436 zfact = zlim * rfact2 437 ztrfer = biron(ji,jj,jk) / ( concfediaz + biron(ji,jj,jk) ) 438 ztrpo4(ji,jj,jk) = trb(ji,jj,jk,jppo4) / ( 1E-6 + trb(ji,jj,jk,jppo4) ) 439 ztrdop(ji,jj,jk) = trb(ji,jj,jk,jpdop) / ( 1E-6 + trb(ji,jj,jk,jpdop) ) * (1. - ztrpo4(ji,jj,jk)) 440 ztrdp = ztrpo4(ji,jj,jk) + ztrdop(ji,jj,jk) 441 nitrpot(ji,jj,jk) = zmudia * r1_rday * zfact * MIN( ztrfer, ztrdp ) * zlight(ji,jj,jk) 442 END DO 443 END DO 444 END DO 445 ENDIF 362 446 363 447 ! Nitrogen change due to nitrogen fixation 364 448 ! ---------------------------------------- 365 DO jk = 1, jpkm1 366 DO jj = 1, jpj 367 DO ji = 1, jpi 368 zfact = nitrpot(ji,jj,jk) * nitrfix 369 tra(ji,jj,jk,jpnh4) = tra(ji,jj,jk,jpnh4) + zfact 370 tra(ji,jj,jk,jptal) = tra(ji,jj,jk,jptal) + rno3 * zfact 371 tra(ji,jj,jk,jpoxy) = tra(ji,jj,jk,jpoxy) + o2nit * zfact 372 tra(ji,jj,jk,jppo4) = tra(ji,jj,jk,jppo4) + concdnh4 / ( concdnh4 + trb(ji,jj,jk,jppo4) ) & 373 & * 0.002 * trb(ji,jj,jk,jpdoc) * xstep 374 tra(ji,jj,jk,jpfer) = tra(ji,jj,jk,jpfer) + 0.002 * 4E-10 * zsoufer(ji,jj,jk) * xstep 375 END DO 376 END DO 377 END DO 449 IF( ln_p4z ) THEN 450 DO jk = 1, jpkm1 451 DO jj = 1, jpj 452 DO ji = 1, jpi 453 zfact = nitrpot(ji,jj,jk) * nitrfix 454 tra(ji,jj,jk,jpnh4) = tra(ji,jj,jk,jpnh4) + zfact 455 tra(ji,jj,jk,jptal) = tra(ji,jj,jk,jptal) + rno3 * zfact 456 tra(ji,jj,jk,jpoxy) = tra(ji,jj,jk,jpoxy) + o2nit * zfact 457 tra(ji,jj,jk,jppo4) = tra(ji,jj,jk,jppo4) + concdnh4 / ( concdnh4 + trb(ji,jj,jk,jppo4) ) & 458 & * 0.002 * trb(ji,jj,jk,jpdoc) * xstep 459 tra(ji,jj,jk,jpfer) = tra(ji,jj,jk,jpfer) + 0.002 * 4E-10 * zsoufer(ji,jj,jk) * xstep 460 END DO 461 END DO 462 END DO 463 ELSE ! p5z 464 DO jk = 1, jpkm1 465 DO jj = 1, jpj 466 DO ji = 1, jpi 467 zfact = nitrpot(ji,jj,jk) * nitrfix 468 tra(ji,jj,jk,jpnh4) = tra(ji,jj,jk,jpnh4) + zfact / 3.0 469 tra(ji,jj,jk,jptal) = tra(ji,jj,jk,jptal) + rno3 * zfact / 3.0 470 tra(ji,jj,jk,jppo4) = tra(ji,jj,jk,jppo4) - 16.0 / 46.0 * zfact * ( 1.0 - 1.0 / 3.0 ) & 471 & * ztrpo4(ji,jj,jk) / (ztrpo4(ji,jj,jk) + ztrdop(ji,jj,jk) + rtrn) 472 tra(ji,jj,jk,jpdon) = tra(ji,jj,jk,jpdon) + zfact * 1.0 / 3.0 473 tra(ji,jj,jk,jpdoc) = tra(ji,jj,jk,jpdoc) + zfact * 1.0 / 3.0 474 tra(ji,jj,jk,jpdop) = tra(ji,jj,jk,jpdop) + 16.0 / 46.0 * zfact / 3.0 & 475 & - 16.0 / 46.0 * zfact * ztrdop(ji,jj,jk) & 476 & / (ztrpo4(ji,jj,jk) + ztrdop(ji,jj,jk) + rtrn) 477 tra(ji,jj,jk,jppoc) = tra(ji,jj,jk,jppoc) + zfact * 1.0 / 3.0 * 2.0 / 3.0 478 tra(ji,jj,jk,jppon) = tra(ji,jj,jk,jppon) + zfact * 1.0 / 3.0 * 2.0 /3.0 479 tra(ji,jj,jk,jppop) = tra(ji,jj,jk,jppop) + 16.0 / 46.0 * zfact * 1.0 / 3.0 * 2.0 /3.0 480 tra(ji,jj,jk,jpgoc) = tra(ji,jj,jk,jpgoc) + zfact * 1.0 / 3.0 * 1.0 / 3.0 481 tra(ji,jj,jk,jpgon) = tra(ji,jj,jk,jpgon) + zfact * 1.0 / 3.0 * 1.0 /3.0 482 tra(ji,jj,jk,jpgop) = tra(ji,jj,jk,jpgop) + 16.0 / 46.0 * zfact * 1.0 / 3.0 * 1.0 /3.0 483 tra(ji,jj,jk,jpoxy) = tra(ji,jj,jk,jpoxy) + ( o2ut + o2nit ) * zfact * 2.0 / 3.0 + o2nit * zfact / 3.0 484 tra(ji,jj,jk,jpfer) = tra(ji,jj,jk,jpfer) - 30E-6 * zfact * 1.0 / 3.0 485 tra(ji,jj,jk,jpsfe) = tra(ji,jj,jk,jpsfe) + 30E-6 * zfact * 1.0 / 3.0 * 2.0 / 3.0 486 tra(ji,jj,jk,jpbfe) = tra(ji,jj,jk,jpbfe) + 30E-6 * zfact * 1.0 / 3.0 * 1.0 / 3.0 487 tra(ji,jj,jk,jpfer) = tra(ji,jj,jk,jpfer) + 0.002 * 4E-10 * zsoufer(ji,jj,jk) * rfact2 / rday 488 END DO 489 END DO 490 END DO 491 ! 492 ENDIF 378 493 379 494 IF( lk_iomput ) THEN … … 388 503 CALL iom_put( "INTNFIX" , zwork1 ) 389 504 ENDIF 505 IF( iom_use("SedCal" ) ) CALL iom_put( "SedCal", zsedcal(:,:) * 1.e+3 ) 506 IF( iom_use("SedSi" ) ) CALL iom_put( "SedSi", zsedsi (:,:) * 1.e+3 ) 507 IF( iom_use("SedC" ) ) CALL iom_put( "SedC", zsedc (:,:) * 1.e+3 ) 508 IF( iom_use("Sdenit" ) ) CALL iom_put( "Sdenit", sdenit (:,:) * 1.e+3 * rno3 ) 390 509 ENDIF 391 ELSE392 IF( ln_diatrc ) &393 & trc2d(:,:,jp_pcs0_2d + 12) = nitrpot(:,:,1) * nitrfix * rno3 * 1.e+3 * rfact2r * e3t_n(:,:,1) * tmask(:,:,1)394 510 ENDIF 395 511 ! … … 400 516 ENDIF 401 517 ! 402 CALL wrk_dealloc( jpi, jpj, zdenit2d, zwork1, zwork2, zwork3, zbureff ) 403 CALL wrk_dealloc( jpi, jpj, zwsbio3, zwsbio4, zwscal ) 404 CALL wrk_dealloc( jpi, jpj, jpk, zsoufer ) 518 CALL wrk_dealloc( jpi, jpj, zdenit2d, zwork1, zwork2, zwork3, zbureff ) 519 CALL wrk_dealloc( jpi, jpj, zwsbio3, zwsbio4, zwscal ) 520 CALL wrk_dealloc( jpi, jpj, zsedcal, zsedsi, zsedc ) 521 CALL wrk_dealloc( jpi, jpj, jpk, zlight, zsoufer ) 522 IF( ln_p5z ) CALL wrk_dealloc( jpi, jpj, jpk, ztrpo4, ztrdop ) 523 IF( ln_ligand ) CALL wrk_dealloc( jpi, jpj, zwsfep ) 405 524 ! 406 525 IF( nn_timing == 1 ) CALL timing_stop('p4z_sed') 407 !408 9100 FORMAT(i8,3f10.5)409 526 ! 410 527 END SUBROUTINE p4z_sed … … 422 539 423 540 424 #else425 !!======================================================================426 !! Dummy module : No PISCES bio-model427 !!======================================================================428 CONTAINS429 SUBROUTINE p4z_sed ! Empty routine430 END SUBROUTINE p4z_sed431 #endif432 433 541 !!====================================================================== 434 542 END MODULE p4zsed
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