[3443] | 1 | MODULE p4zsed |
---|
| 2 | !!====================================================================== |
---|
| 3 | !! *** MODULE p4sed *** |
---|
| 4 | !! TOP : PISCES Compute loss of organic matter in the sediments |
---|
| 5 | !!====================================================================== |
---|
| 6 | !! History : 1.0 ! 2004-03 (O. Aumont) Original code |
---|
| 7 | !! 2.0 ! 2007-12 (C. Ethe, G. Madec) F90 |
---|
| 8 | !! 3.4 ! 2011-06 (C. Ethe) USE of fldread |
---|
| 9 | !! 3.5 ! 2012-07 (O. Aumont) improvment of river input of nutrients |
---|
| 10 | !!---------------------------------------------------------------------- |
---|
| 11 | #if defined key_pisces |
---|
| 12 | !!---------------------------------------------------------------------- |
---|
| 13 | !! 'key_pisces' PISCES bio-model |
---|
| 14 | !!---------------------------------------------------------------------- |
---|
| 15 | !! p4z_sed : Compute loss of organic matter in the sediments |
---|
| 16 | !!---------------------------------------------------------------------- |
---|
| 17 | USE oce_trc ! shared variables between ocean and passive tracers |
---|
| 18 | USE trc ! passive tracers common variables |
---|
| 19 | USE sms_pisces ! PISCES Source Minus Sink variables |
---|
| 20 | USE p4zsink ! vertical flux of particulate matter due to sinking |
---|
| 21 | USE p4zopt ! optical model |
---|
| 22 | USE p4zlim ! Co-limitations of differents nutrients |
---|
| 23 | USE p4zsbc ! External source of nutrients |
---|
| 24 | USE p4zint ! interpolation and computation of various fields |
---|
| 25 | USE iom ! I/O manager |
---|
| 26 | USE prtctl_trc ! print control for debugging |
---|
| 27 | |
---|
| 28 | IMPLICIT NONE |
---|
| 29 | PRIVATE |
---|
| 30 | |
---|
[5385] | 31 | PUBLIC p4z_sed |
---|
| 32 | PUBLIC p4z_sed_alloc |
---|
| 33 | |
---|
[3443] | 34 | |
---|
| 35 | !! * Module variables |
---|
[5385] | 36 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: nitrpot !: Nitrogen fixation |
---|
| 37 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,: ) :: sdenit !: Nitrate reduction in the sediments |
---|
[3443] | 38 | REAL(wp) :: r1_rday !: inverse of rday |
---|
| 39 | |
---|
[5836] | 40 | !! * Substitutions |
---|
| 41 | # include "domzgr_substitute.h90" |
---|
[3443] | 42 | !!---------------------------------------------------------------------- |
---|
| 43 | !! NEMO/TOP 3.3 , NEMO Consortium (2010) |
---|
[7102] | 44 | !! $Id$ |
---|
[3443] | 45 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
---|
| 46 | !!---------------------------------------------------------------------- |
---|
| 47 | CONTAINS |
---|
| 48 | |
---|
[5385] | 49 | SUBROUTINE p4z_sed( kt, knt ) |
---|
[3443] | 50 | !!--------------------------------------------------------------------- |
---|
| 51 | !! *** ROUTINE p4z_sed *** |
---|
| 52 | !! |
---|
| 53 | !! ** Purpose : Compute loss of organic matter in the sediments. This |
---|
| 54 | !! is by no way a sediment model. The loss is simply |
---|
| 55 | !! computed to balance the inout from rivers and dust |
---|
| 56 | !! |
---|
| 57 | !! ** Method : - ??? |
---|
| 58 | !!--------------------------------------------------------------------- |
---|
| 59 | ! |
---|
[5385] | 60 | INTEGER, INTENT(in) :: kt, knt ! ocean time step |
---|
[3443] | 61 | INTEGER :: ji, jj, jk, ikt |
---|
| 62 | #if ! defined key_sed |
---|
| 63 | REAL(wp) :: zsumsedsi, zsumsedpo4, zsumsedcal |
---|
| 64 | REAL(wp) :: zrivalk, zrivsil, zrivno3 |
---|
| 65 | #endif |
---|
| 66 | REAL(wp) :: zwflux, zfminus, zfplus |
---|
| 67 | REAL(wp) :: zlim, zfact, zfactcal |
---|
[4148] | 68 | REAL(wp) :: zo2, zno3, zflx, zpdenit, z1pdenit, zdenitt, zolimit |
---|
[4521] | 69 | REAL(wp) :: zsiloss, zcaloss, zws3, zws4, zwsc, zdep, zwstpoc |
---|
[4529] | 70 | REAL(wp) :: ztrfer, ztrpo4, zwdust, zlight |
---|
[3531] | 71 | ! |
---|
[3443] | 72 | CHARACTER (len=25) :: charout |
---|
[5385] | 73 | REAL(wp), POINTER, DIMENSION(:,: ) :: zpdep, zsidep, zwork1, zwork2, zwork3 |
---|
[4529] | 74 | REAL(wp), POINTER, DIMENSION(:,: ) :: zdenit2d, zironice, zbureff |
---|
[4521] | 75 | REAL(wp), POINTER, DIMENSION(:,: ) :: zwsbio3, zwsbio4, zwscal |
---|
[5385] | 76 | REAL(wp), POINTER, DIMENSION(:,:,:) :: zirondep, zsoufer |
---|
[3443] | 77 | !!--------------------------------------------------------------------- |
---|
| 78 | ! |
---|
| 79 | IF( nn_timing == 1 ) CALL timing_start('p4z_sed') |
---|
| 80 | ! |
---|
[5385] | 81 | IF( kt == nittrc000 .AND. knt == 1 ) r1_rday = 1. / rday |
---|
[3443] | 82 | ! |
---|
| 83 | ! Allocate temporary workspace |
---|
[5385] | 84 | CALL wrk_alloc( jpi, jpj, zdenit2d, zwork1, zwork2, zwork3, zbureff ) |
---|
[4521] | 85 | CALL wrk_alloc( jpi, jpj, zwsbio3, zwsbio4, zwscal ) |
---|
[5385] | 86 | CALL wrk_alloc( jpi, jpj, jpk, zsoufer ) |
---|
[4521] | 87 | |
---|
[3443] | 88 | zdenit2d(:,:) = 0.e0 |
---|
[4529] | 89 | zbureff (:,:) = 0.e0 |
---|
[4800] | 90 | zwork1 (:,:) = 0.e0 |
---|
| 91 | zwork2 (:,:) = 0.e0 |
---|
| 92 | zwork3 (:,:) = 0.e0 |
---|
[3443] | 93 | |
---|
| 94 | ! Iron input/uptake due to sea ice : Crude parameterization based on Lancelot et al. |
---|
| 95 | ! ---------------------------------------------------- |
---|
| 96 | IF( ln_ironice ) THEN |
---|
| 97 | ! |
---|
| 98 | CALL wrk_alloc( jpi, jpj, zironice ) |
---|
| 99 | ! |
---|
| 100 | DO jj = 1, jpj |
---|
| 101 | DO ji = 1, jpi |
---|
| 102 | zdep = rfact2 / fse3t(ji,jj,1) |
---|
[4148] | 103 | zwflux = fmmflx(ji,jj) / 1000._wp |
---|
[5385] | 104 | zfminus = MIN( 0._wp, -zwflux ) * trb(ji,jj,1,jpfer) * zdep |
---|
[4148] | 105 | zfplus = MAX( 0._wp, -zwflux ) * icefeinput * zdep |
---|
[3443] | 106 | zironice(ji,jj) = zfplus + zfminus |
---|
| 107 | END DO |
---|
| 108 | END DO |
---|
| 109 | ! |
---|
[5385] | 110 | tra(:,:,1,jpfer) = tra(:,:,1,jpfer) + zironice(:,:) |
---|
[4996] | 111 | ! |
---|
[5385] | 112 | IF( lk_iomput .AND. knt == nrdttrc .AND. iom_use( "Ironice" ) ) & |
---|
[3443] | 113 | & CALL iom_put( "Ironice", zironice(:,:) * 1.e+3 * rfact2r * fse3t(:,:,1) * tmask(:,:,1) ) ! iron flux from ice |
---|
[4996] | 114 | ! |
---|
[3443] | 115 | CALL wrk_dealloc( jpi, jpj, zironice ) |
---|
| 116 | ! |
---|
| 117 | ENDIF |
---|
| 118 | |
---|
| 119 | ! Add the external input of nutrients from dust deposition |
---|
| 120 | ! ---------------------------------------------------------- |
---|
| 121 | IF( ln_dust ) THEN |
---|
| 122 | ! |
---|
| 123 | CALL wrk_alloc( jpi, jpj, zpdep, zsidep ) |
---|
| 124 | CALL wrk_alloc( jpi, jpj, jpk, zirondep ) |
---|
| 125 | ! ! Iron and Si deposition at the surface |
---|
| 126 | IF( ln_solub ) THEN |
---|
[4800] | 127 | zirondep(:,:,1) = solub(:,:) * dust(:,:) * mfrac * rfact2 / fse3t(:,:,1) / 55.85 + 3.e-10 * r1_ryyss |
---|
[3443] | 128 | ELSE |
---|
[4800] | 129 | zirondep(:,:,1) = dustsolub * dust(:,:) * mfrac * rfact2 / fse3t(:,:,1) / 55.85 + 3.e-10 * r1_ryyss |
---|
[3443] | 130 | ENDIF |
---|
[4800] | 131 | zsidep(:,:) = 8.8 * 0.075 * dust(:,:) * mfrac * rfact2 / fse3t(:,:,1) / 28.1 |
---|
| 132 | zpdep (:,:) = 0.1 * 0.021 * dust(:,:) * mfrac * rfact2 / fse3t(:,:,1) / 31. / po4r |
---|
[3443] | 133 | ! ! Iron solubilization of particles in the water column |
---|
[4529] | 134 | ! ! dust in kg/m2/s ---> 1/55.85 to put in mol/Fe ; wdust in m/j |
---|
| 135 | zwdust = 0.03 * rday / ( wdust * 55.85 ) / ( 270. * rday ) |
---|
[3443] | 136 | DO jk = 2, jpkm1 |
---|
[4529] | 137 | zirondep(:,:,jk) = dust(:,:) * mfrac * zwdust * rfact2 * EXP( -fsdept(:,:,jk) / 540. ) |
---|
[3443] | 138 | END DO |
---|
| 139 | ! ! Iron solubilization of particles in the water column |
---|
[5385] | 140 | tra(:,:,1,jppo4) = tra(:,:,1,jppo4) + zpdep (:,:) |
---|
| 141 | tra(:,:,1,jpsil) = tra(:,:,1,jpsil) + zsidep (:,:) |
---|
| 142 | tra(:,:,:,jpfer) = tra(:,:,:,jpfer) + zirondep(:,:,:) |
---|
[4996] | 143 | ! |
---|
| 144 | IF( lk_iomput ) THEN |
---|
[5385] | 145 | IF( knt == nrdttrc ) THEN |
---|
[4996] | 146 | IF( iom_use( "Irondep" ) ) & |
---|
| 147 | & CALL iom_put( "Irondep", zirondep(:,:,1) * 1.e+3 * rfact2r * fse3t(:,:,1) * tmask(:,:,1) ) ! surface downward dust depo of iron |
---|
| 148 | IF( iom_use( "pdust" ) ) & |
---|
| 149 | & CALL iom_put( "pdust" , dust(:,:) / ( wdust * rday ) * tmask(:,:,1) ) ! dust concentration at surface |
---|
[3443] | 150 | ENDIF |
---|
[4996] | 151 | ELSE |
---|
| 152 | IF( ln_diatrc ) & |
---|
| 153 | & trc2d(:,:,jp_pcs0_2d + 11) = zirondep(:,:,1) * 1.e+3 * rfact2r * fse3t(:,:,1) * tmask(:,:,1) |
---|
[3443] | 154 | ENDIF |
---|
| 155 | CALL wrk_dealloc( jpi, jpj, zpdep, zsidep ) |
---|
| 156 | CALL wrk_dealloc( jpi, jpj, jpk, zirondep ) |
---|
| 157 | ! |
---|
| 158 | ENDIF |
---|
| 159 | |
---|
| 160 | ! Add the external input of nutrients from river |
---|
| 161 | ! ---------------------------------------------------------- |
---|
| 162 | IF( ln_river ) THEN |
---|
[5385] | 163 | DO jj = 1, jpj |
---|
| 164 | DO ji = 1, jpi |
---|
| 165 | DO jk = 1, nk_rnf(ji,jj) |
---|
| 166 | tra(ji,jj,jk,jppo4) = tra(ji,jj,jk,jppo4) + rivdip(ji,jj) * rfact2 |
---|
| 167 | tra(ji,jj,jk,jpno3) = tra(ji,jj,jk,jpno3) + rivdin(ji,jj) * rfact2 |
---|
| 168 | tra(ji,jj,jk,jpfer) = tra(ji,jj,jk,jpfer) + rivdic(ji,jj) * 5.e-5 * rfact2 |
---|
| 169 | tra(ji,jj,jk,jpsil) = tra(ji,jj,jk,jpsil) + rivdsi(ji,jj) * rfact2 |
---|
| 170 | tra(ji,jj,jk,jpdic) = tra(ji,jj,jk,jpdic) + rivdic(ji,jj) * rfact2 |
---|
| 171 | tra(ji,jj,jk,jptal) = tra(ji,jj,jk,jptal) + ( rivalk(ji,jj) - rno3 * rivdin(ji,jj) ) * rfact2 |
---|
| 172 | ENDDO |
---|
| 173 | ENDDO |
---|
| 174 | ENDDO |
---|
[3443] | 175 | ENDIF |
---|
| 176 | |
---|
| 177 | ! Add the external input of nutrients from nitrogen deposition |
---|
| 178 | ! ---------------------------------------------------------- |
---|
| 179 | IF( ln_ndepo ) THEN |
---|
[5385] | 180 | tra(:,:,1,jpno3) = tra(:,:,1,jpno3) + nitdep(:,:) * rfact2 |
---|
| 181 | tra(:,:,1,jptal) = tra(:,:,1,jptal) - rno3 * nitdep(:,:) * rfact2 |
---|
[3443] | 182 | ENDIF |
---|
| 183 | |
---|
| 184 | ! Add the external input of iron from sediment mobilization |
---|
| 185 | ! ------------------------------------------------------ |
---|
| 186 | IF( ln_ironsed ) THEN |
---|
[5385] | 187 | tra(:,:,:,jpfer) = tra(:,:,:,jpfer) + ironsed(:,:,:) * rfact2 |
---|
[3443] | 188 | ! |
---|
[5385] | 189 | IF( lk_iomput .AND. knt == nrdttrc .AND. iom_use( "Ironsed" ) ) & |
---|
[3446] | 190 | & CALL iom_put( "Ironsed", ironsed(:,:,:) * 1.e+3 * tmask(:,:,:) ) ! iron inputs from sediments |
---|
[3443] | 191 | ENDIF |
---|
| 192 | |
---|
| 193 | ! Add the external input of iron from hydrothermal vents |
---|
| 194 | ! ------------------------------------------------------ |
---|
| 195 | IF( ln_hydrofe ) THEN |
---|
[5385] | 196 | tra(:,:,:,jpfer) = tra(:,:,:,jpfer) + hydrofe(:,:,:) * rfact2 |
---|
[3443] | 197 | ! |
---|
[5385] | 198 | IF( lk_iomput .AND. knt == nrdttrc .AND. iom_use( "HYDR" ) ) & |
---|
[3446] | 199 | & CALL iom_put( "HYDR", hydrofe(:,:,:) * 1.e+3 * tmask(:,:,:) ) ! hydrothermal iron input |
---|
[3443] | 200 | ENDIF |
---|
| 201 | |
---|
[4521] | 202 | ! OA: Warning, the following part is necessary, especially with Kriest |
---|
| 203 | ! to avoid CFL problems above the sediments |
---|
| 204 | ! -------------------------------------------------------------------- |
---|
| 205 | DO jj = 1, jpj |
---|
| 206 | DO ji = 1, jpi |
---|
| 207 | ikt = mbkt(ji,jj) |
---|
| 208 | zdep = fse3t(ji,jj,ikt) / xstep |
---|
| 209 | zwsbio4(ji,jj) = MIN( 0.99 * zdep, wsbio4(ji,jj,ikt) ) |
---|
| 210 | zwscal (ji,jj) = MIN( 0.99 * zdep, wscal (ji,jj,ikt) ) |
---|
| 211 | zwsbio3(ji,jj) = MIN( 0.99 * zdep, wsbio3(ji,jj,ikt) ) |
---|
| 212 | END DO |
---|
| 213 | END DO |
---|
| 214 | |
---|
[3443] | 215 | #if ! defined key_sed |
---|
[3475] | 216 | ! Computation of the sediment denitrification proportion: The metamodel from midlleburg (2006) is being used |
---|
[4529] | 217 | ! Computation of the fraction of organic matter that is permanently buried from Dunne's model |
---|
[3443] | 218 | ! ------------------------------------------------------- |
---|
| 219 | DO jj = 1, jpj |
---|
| 220 | DO ji = 1, jpi |
---|
| 221 | IF( tmask(ji,jj,1) == 1 ) THEN |
---|
| 222 | ikt = mbkt(ji,jj) |
---|
| 223 | # if defined key_kriest |
---|
[5385] | 224 | zflx = trb(ji,jj,ikt,jppoc) * zwsbio3(ji,jj) * 1E3 * 1E6 / 1E4 |
---|
[3443] | 225 | # else |
---|
[5385] | 226 | zflx = ( trb(ji,jj,ikt,jpgoc) * zwsbio4(ji,jj) & |
---|
| 227 | & + trb(ji,jj,ikt,jppoc) * zwsbio3(ji,jj) ) * 1E3 * 1E6 / 1E4 |
---|
[3443] | 228 | #endif |
---|
| 229 | zflx = LOG10( MAX( 1E-3, zflx ) ) |
---|
[5385] | 230 | zo2 = LOG10( MAX( 10. , trb(ji,jj,ikt,jpoxy) * 1E6 ) ) |
---|
| 231 | zno3 = LOG10( MAX( 1. , trb(ji,jj,ikt,jpno3) * 1E6 * rno3 ) ) |
---|
[3443] | 232 | zdep = LOG10( fsdepw(ji,jj,ikt+1) ) |
---|
| 233 | zdenit2d(ji,jj) = -2.2567 - 1.185 * zflx - 0.221 * zflx**2 - 0.3995 * zno3 * zo2 + 1.25 * zno3 & |
---|
| 234 | & + 0.4721 * zo2 - 0.0996 * zdep + 0.4256 * zflx * zo2 |
---|
| 235 | zdenit2d(ji,jj) = 10.0**( zdenit2d(ji,jj) ) |
---|
[4529] | 236 | ! |
---|
[5385] | 237 | zflx = ( trb(ji,jj,ikt,jpgoc) * zwsbio4(ji,jj) & |
---|
| 238 | & + trb(ji,jj,ikt,jppoc) * zwsbio3(ji,jj) ) * 1E6 |
---|
[4529] | 239 | zbureff(ji,jj) = 0.013 + 0.53 * zflx**2 / ( 7.0 + zflx )**2 |
---|
[3443] | 240 | ENDIF |
---|
| 241 | END DO |
---|
| 242 | END DO |
---|
[4529] | 243 | |
---|
[3443] | 244 | ! Loss of biogenic silicon, Caco3 organic carbon in the sediments. |
---|
| 245 | ! First, the total loss is computed. |
---|
| 246 | ! The factor for calcite comes from the alkalinity effect |
---|
| 247 | ! ------------------------------------------------------------- |
---|
| 248 | DO jj = 1, jpj |
---|
| 249 | DO ji = 1, jpi |
---|
[4800] | 250 | IF( tmask(ji,jj,1) == 1 ) THEN |
---|
| 251 | ikt = mbkt(ji,jj) |
---|
[3443] | 252 | # if defined key_kriest |
---|
[5385] | 253 | zwork1(ji,jj) = trb(ji,jj,ikt,jpgsi) * zwscal (ji,jj) |
---|
| 254 | zwork2(ji,jj) = trb(ji,jj,ikt,jppoc) * zwsbio3(ji,jj) |
---|
[3443] | 255 | # else |
---|
[5385] | 256 | zwork1(ji,jj) = trb(ji,jj,ikt,jpgsi) * zwsbio4(ji,jj) |
---|
| 257 | zwork2(ji,jj) = trb(ji,jj,ikt,jpgoc) * zwsbio4(ji,jj) + trb(ji,jj,ikt,jppoc) * zwsbio3(ji,jj) |
---|
[3443] | 258 | # endif |
---|
[4800] | 259 | ! For calcite, burial efficiency is made a function of saturation |
---|
| 260 | zfactcal = MIN( excess(ji,jj,ikt), 0.2 ) |
---|
| 261 | zfactcal = MIN( 1., 1.3 * ( 0.2 - zfactcal ) / ( 0.4 - zfactcal ) ) |
---|
[5385] | 262 | zwork3(ji,jj) = trb(ji,jj,ikt,jpcal) * zwscal(ji,jj) * 2.e0 * zfactcal |
---|
[4800] | 263 | ENDIF |
---|
[3443] | 264 | END DO |
---|
| 265 | END DO |
---|
| 266 | zsumsedsi = glob_sum( zwork1(:,:) * e1e2t(:,:) ) * r1_rday |
---|
| 267 | zsumsedpo4 = glob_sum( zwork2(:,:) * e1e2t(:,:) ) * r1_rday |
---|
| 268 | zsumsedcal = glob_sum( zwork3(:,:) * e1e2t(:,:) ) * r1_rday |
---|
| 269 | #endif |
---|
| 270 | |
---|
[4148] | 271 | ! This loss is scaled at each bottom grid cell for equilibrating the total budget of silica in the ocean. |
---|
| 272 | ! Thus, the amount of silica lost in the sediments equal the supply at the surface (dust+rivers) |
---|
[3443] | 273 | ! ------------------------------------------------------ |
---|
| 274 | #if ! defined key_sed |
---|
[4641] | 275 | zrivsil = 1._wp - ( sumdepsi + rivdsiinput * r1_ryyss ) / ( zsumsedsi + rtrn ) |
---|
[3443] | 276 | #endif |
---|
| 277 | |
---|
| 278 | DO jj = 1, jpj |
---|
| 279 | DO ji = 1, jpi |
---|
| 280 | ikt = mbkt(ji,jj) |
---|
[5385] | 281 | zdep = xstep / fse3t(ji,jj,ikt) |
---|
[4521] | 282 | zws4 = zwsbio4(ji,jj) * zdep |
---|
| 283 | zwsc = zwscal (ji,jj) * zdep |
---|
[3443] | 284 | # if defined key_kriest |
---|
[5385] | 285 | zsiloss = trb(ji,jj,ikt,jpgsi) * zws4 |
---|
[3443] | 286 | # else |
---|
[5385] | 287 | zsiloss = trb(ji,jj,ikt,jpgsi) * zwsc |
---|
[3443] | 288 | # endif |
---|
[5385] | 289 | zcaloss = trb(ji,jj,ikt,jpcal) * zwsc |
---|
[3443] | 290 | ! |
---|
[5385] | 291 | tra(ji,jj,ikt,jpgsi) = tra(ji,jj,ikt,jpgsi) - zsiloss |
---|
| 292 | tra(ji,jj,ikt,jpcal) = tra(ji,jj,ikt,jpcal) - zcaloss |
---|
[3443] | 293 | #if ! defined key_sed |
---|
[5385] | 294 | tra(ji,jj,ikt,jpsil) = tra(ji,jj,ikt,jpsil) + zsiloss * zrivsil |
---|
[3443] | 295 | zfactcal = MIN( excess(ji,jj,ikt), 0.2 ) |
---|
| 296 | zfactcal = MIN( 1., 1.3 * ( 0.2 - zfactcal ) / ( 0.4 - zfactcal ) ) |
---|
[4641] | 297 | zrivalk = 1._wp - ( rivalkinput * r1_ryyss ) * zfactcal / ( zsumsedcal + rtrn ) |
---|
[5385] | 298 | tra(ji,jj,ikt,jptal) = tra(ji,jj,ikt,jptal) + zcaloss * zrivalk * 2.0 |
---|
| 299 | tra(ji,jj,ikt,jpdic) = tra(ji,jj,ikt,jpdic) + zcaloss * zrivalk |
---|
[3443] | 300 | #endif |
---|
| 301 | END DO |
---|
| 302 | END DO |
---|
| 303 | |
---|
| 304 | DO jj = 1, jpj |
---|
| 305 | DO ji = 1, jpi |
---|
[5385] | 306 | ikt = mbkt(ji,jj) |
---|
| 307 | zdep = xstep / fse3t(ji,jj,ikt) |
---|
[4521] | 308 | zws4 = zwsbio4(ji,jj) * zdep |
---|
| 309 | zws3 = zwsbio3(ji,jj) * zdep |
---|
[4529] | 310 | zrivno3 = 1. - zbureff(ji,jj) |
---|
[3443] | 311 | # if ! defined key_kriest |
---|
[5385] | 312 | tra(ji,jj,ikt,jpgoc) = tra(ji,jj,ikt,jpgoc) - trb(ji,jj,ikt,jpgoc) * zws4 |
---|
| 313 | tra(ji,jj,ikt,jppoc) = tra(ji,jj,ikt,jppoc) - trb(ji,jj,ikt,jppoc) * zws3 |
---|
| 314 | tra(ji,jj,ikt,jpbfe) = tra(ji,jj,ikt,jpbfe) - trb(ji,jj,ikt,jpbfe) * zws4 |
---|
| 315 | tra(ji,jj,ikt,jpsfe) = tra(ji,jj,ikt,jpsfe) - trb(ji,jj,ikt,jpsfe) * zws3 |
---|
| 316 | zwstpoc = trb(ji,jj,ikt,jpgoc) * zws4 + trb(ji,jj,ikt,jppoc) * zws3 |
---|
[3443] | 317 | # else |
---|
[5385] | 318 | tra(ji,jj,ikt,jpnum) = tra(ji,jj,ikt,jpnum) - trb(ji,jj,ikt,jpnum) * zws4 |
---|
| 319 | tra(ji,jj,ikt,jppoc) = tra(ji,jj,ikt,jppoc) - trb(ji,jj,ikt,jppoc) * zws3 |
---|
| 320 | tra(ji,jj,ikt,jpsfe) = tra(ji,jj,ikt,jpsfe) - trb(ji,jj,ikt,jpsfe) * zws3 |
---|
| 321 | zwstpoc = trb(ji,jj,ikt,jppoc) * zws3 |
---|
[3443] | 322 | # endif |
---|
| 323 | |
---|
| 324 | #if ! defined key_sed |
---|
[4148] | 325 | ! The 0.5 factor in zpdenit and zdenitt is to avoid negative NO3 concentration after both denitrification |
---|
| 326 | ! in the sediments and just above the sediments. Not very clever, but simpliest option. |
---|
[5385] | 327 | zpdenit = MIN( 0.5 * ( trb(ji,jj,ikt,jpno3) - rtrn ) / rdenit, zdenit2d(ji,jj) * zwstpoc * zrivno3 ) |
---|
[3443] | 328 | z1pdenit = zwstpoc * zrivno3 - zpdenit |
---|
[5385] | 329 | zolimit = MIN( ( trb(ji,jj,ikt,jpoxy) - rtrn ) / o2ut, z1pdenit * ( 1.- nitrfac(ji,jj,ikt) ) ) |
---|
| 330 | zdenitt = MIN( 0.5 * ( trb(ji,jj,ikt,jpno3) - rtrn ) / rdenit, z1pdenit * nitrfac(ji,jj,ikt) ) |
---|
| 331 | tra(ji,jj,ikt,jpdoc) = tra(ji,jj,ikt,jpdoc) + z1pdenit - zolimit - zdenitt |
---|
| 332 | tra(ji,jj,ikt,jppo4) = tra(ji,jj,ikt,jppo4) + zpdenit + zolimit + zdenitt |
---|
| 333 | tra(ji,jj,ikt,jpnh4) = tra(ji,jj,ikt,jpnh4) + zpdenit + zolimit + zdenitt |
---|
| 334 | tra(ji,jj,ikt,jpno3) = tra(ji,jj,ikt,jpno3) - rdenit * (zpdenit + zdenitt) |
---|
| 335 | tra(ji,jj,ikt,jpoxy) = tra(ji,jj,ikt,jpoxy) - zolimit * o2ut |
---|
| 336 | tra(ji,jj,ikt,jptal) = tra(ji,jj,ikt,jptal) + rno3 * (zolimit + (1.+rdenit) * (zpdenit + zdenitt) ) |
---|
| 337 | tra(ji,jj,ikt,jpdic) = tra(ji,jj,ikt,jpdic) + zpdenit + zolimit + zdenitt |
---|
| 338 | sdenit(ji,jj) = rdenit * zpdenit * fse3t(ji,jj,ikt) |
---|
[3443] | 339 | #endif |
---|
| 340 | END DO |
---|
| 341 | END DO |
---|
| 342 | |
---|
| 343 | ! Nitrogen fixation process |
---|
[4529] | 344 | ! Small source iron from particulate inorganic iron |
---|
[3443] | 345 | !----------------------------------- |
---|
| 346 | DO jk = 1, jpkm1 |
---|
| 347 | DO jj = 1, jpj |
---|
| 348 | DO ji = 1, jpi |
---|
[4529] | 349 | ! ! Potential nitrogen fixation dependant on temperature and iron |
---|
[3443] | 350 | zlim = ( 1.- xnanono3(ji,jj,jk) - xnanonh4(ji,jj,jk) ) |
---|
| 351 | IF( zlim <= 0.2 ) zlim = 0.01 |
---|
| 352 | #if defined key_degrad |
---|
| 353 | zfact = zlim * rfact2 * facvol(ji,jj,jk) |
---|
| 354 | #else |
---|
| 355 | zfact = zlim * rfact2 |
---|
| 356 | #endif |
---|
[3446] | 357 | ztrfer = biron(ji,jj,jk) / ( concfediaz + biron(ji,jj,jk) ) |
---|
[5385] | 358 | ztrpo4 = trb (ji,jj,jk,jppo4) / ( concnnh4 + trb (ji,jj,jk,jppo4) ) |
---|
| 359 | zlight = ( 1.- EXP( -etot_ndcy(ji,jj,jk) / diazolight ) ) |
---|
| 360 | nitrpot(ji,jj,jk) = MAX( 0.e0, ( 0.6 * tgfunc(ji,jj,jk) - 2.15 ) * r1_rday ) & |
---|
[4529] | 361 | & * zfact * MIN( ztrfer, ztrpo4 ) * zlight |
---|
| 362 | zsoufer(ji,jj,jk) = zlight * 2E-11 / (2E-11 + biron(ji,jj,jk)) |
---|
[3443] | 363 | END DO |
---|
| 364 | END DO |
---|
| 365 | END DO |
---|
[3496] | 366 | |
---|
[3443] | 367 | ! Nitrogen change due to nitrogen fixation |
---|
| 368 | ! ---------------------------------------- |
---|
| 369 | DO jk = 1, jpkm1 |
---|
| 370 | DO jj = 1, jpj |
---|
| 371 | DO ji = 1, jpi |
---|
[5385] | 372 | zfact = nitrpot(ji,jj,jk) * nitrfix |
---|
| 373 | tra(ji,jj,jk,jpnh4) = tra(ji,jj,jk,jpnh4) + zfact |
---|
| 374 | tra(ji,jj,jk,jptal) = tra(ji,jj,jk,jptal) + rno3 * zfact |
---|
| 375 | tra(ji,jj,jk,jpoxy) = tra(ji,jj,jk,jpoxy) + o2nit * zfact |
---|
| 376 | tra(ji,jj,jk,jppo4) = tra(ji,jj,jk,jppo4) + concdnh4 / ( concdnh4 + trb(ji,jj,jk,jppo4) ) & |
---|
| 377 | & * 0.002 * trb(ji,jj,jk,jpdoc) * xstep |
---|
| 378 | tra(ji,jj,jk,jpfer) = tra(ji,jj,jk,jpfer) + 0.002 * 4E-10 * zsoufer(ji,jj,jk) * xstep |
---|
[3443] | 379 | END DO |
---|
| 380 | END DO |
---|
| 381 | END DO |
---|
[4529] | 382 | |
---|
[4996] | 383 | IF( lk_iomput ) THEN |
---|
[5385] | 384 | IF( knt == nrdttrc ) THEN |
---|
[4996] | 385 | zfact = 1.e+3 * rfact2r * rno3 ! conversion from molC/l/kt to molN/m3/s |
---|
[5385] | 386 | IF( iom_use("Nfix" ) ) CALL iom_put( "Nfix", nitrpot(:,:,:) * nitrfix * zfact * tmask(:,:,:) ) ! nitrogen fixation |
---|
[4996] | 387 | IF( iom_use("INTNFIX") ) THEN ! nitrogen fixation rate in ocean ( vertically integrated ) |
---|
| 388 | zwork1(:,:) = 0. |
---|
| 389 | DO jk = 1, jpkm1 |
---|
[5385] | 390 | zwork1(:,:) = zwork1(:,:) + nitrpot(:,:,jk) * nitrfix * zfact * fse3t(:,:,jk) * tmask(:,:,jk) |
---|
[4996] | 391 | ENDDO |
---|
| 392 | CALL iom_put( "INTNFIX" , zwork1 ) |
---|
[3751] | 393 | ENDIF |
---|
[3443] | 394 | ENDIF |
---|
[4996] | 395 | ELSE |
---|
| 396 | IF( ln_diatrc ) & |
---|
[5385] | 397 | & trc2d(:,:,jp_pcs0_2d + 12) = nitrpot(:,:,1) * nitrfix * rno3 * 1.e+3 * rfact2r * fse3t(:,:,1) * tmask(:,:,1) |
---|
[3443] | 398 | ENDIF |
---|
| 399 | ! |
---|
| 400 | IF(ln_ctl) THEN ! print mean trends (USEd for debugging) |
---|
| 401 | WRITE(charout, fmt="('sed ')") |
---|
| 402 | CALL prt_ctl_trc_info(charout) |
---|
[5385] | 403 | CALL prt_ctl_trc(tab4d=tra, mask=tmask, clinfo=ctrcnm) |
---|
[3443] | 404 | ENDIF |
---|
| 405 | ! |
---|
[5385] | 406 | CALL wrk_dealloc( jpi, jpj, zdenit2d, zwork1, zwork2, zwork3, zbureff ) |
---|
[4521] | 407 | CALL wrk_dealloc( jpi, jpj, zwsbio3, zwsbio4, zwscal ) |
---|
[5385] | 408 | CALL wrk_dealloc( jpi, jpj, jpk, zsoufer ) |
---|
[3443] | 409 | ! |
---|
| 410 | IF( nn_timing == 1 ) CALL timing_stop('p4z_sed') |
---|
| 411 | ! |
---|
[3496] | 412 | 9100 FORMAT(i8,3f10.5) |
---|
| 413 | ! |
---|
[3443] | 414 | END SUBROUTINE p4z_sed |
---|
| 415 | |
---|
[5385] | 416 | |
---|
| 417 | INTEGER FUNCTION p4z_sed_alloc() |
---|
| 418 | !!---------------------------------------------------------------------- |
---|
| 419 | !! *** ROUTINE p4z_sed_alloc *** |
---|
| 420 | !!---------------------------------------------------------------------- |
---|
| 421 | ALLOCATE( nitrpot(jpi,jpj,jpk), sdenit(jpi,jpj), STAT=p4z_sed_alloc ) |
---|
| 422 | ! |
---|
| 423 | IF( p4z_sed_alloc /= 0 ) CALL ctl_warn('p4z_sed_alloc: failed to allocate arrays') |
---|
| 424 | ! |
---|
| 425 | END FUNCTION p4z_sed_alloc |
---|
| 426 | |
---|
| 427 | |
---|
[3443] | 428 | #else |
---|
| 429 | !!====================================================================== |
---|
| 430 | !! Dummy module : No PISCES bio-model |
---|
| 431 | !!====================================================================== |
---|
| 432 | CONTAINS |
---|
| 433 | SUBROUTINE p4z_sed ! Empty routine |
---|
| 434 | END SUBROUTINE p4z_sed |
---|
| 435 | #endif |
---|
| 436 | |
---|
| 437 | !!====================================================================== |
---|
[5656] | 438 | END MODULE p4zsed |
---|