| 1 |
C $Header: /u/gcmpack/MITgcm/pkg/dic/dic_biotic_forcing.F,v 1.7 2004/12/04 00:15:14 jmc Exp $ |
| 2 |
C $Name: $ |
| 3 |
|
| 4 |
#include "DIC_OPTIONS.h" |
| 5 |
#include "GCHEM_OPTIONS.h" |
| 6 |
|
| 7 |
CBOP |
| 8 |
C !ROUTINE: DIC_BIOTIC_FORCING |
| 9 |
|
| 10 |
C !INTERFACE: ========================================================== |
| 11 |
SUBROUTINE DIC_BIOTIC_FORCING( PTR_DIC, PTR_ALK, PTR_PO4, |
| 12 |
& PTR_DOP, PTR_O2, |
| 13 |
#ifdef ALLOW_FE |
| 14 |
& PTR_FE, |
| 15 |
#endif |
| 16 |
& bi,bj,imin,imax,jmin,jmax, |
| 17 |
& myIter,myTime,myThid) |
| 18 |
|
| 19 |
C !DESCRIPTION: |
| 20 |
C updates all the tracers for the effects of air-sea exchange, biological |
| 21 |
c activity and remineralization |
| 22 |
|
| 23 |
C !USES: =============================================================== |
| 24 |
IMPLICIT NONE |
| 25 |
#include "SIZE.h" |
| 26 |
#include "DYNVARS.h" |
| 27 |
#include "EEPARAMS.h" |
| 28 |
#include "PARAMS.h" |
| 29 |
#include "GRID.h" |
| 30 |
#include "DIC_BIOTIC.h" |
| 31 |
#include "DIC_ABIOTIC.h" |
| 32 |
|
| 33 |
C !INPUT PARAMETERS: =================================================== |
| 34 |
C myThid :: thread number |
| 35 |
C myIter :: current timestep |
| 36 |
C myTime :: current time |
| 37 |
C PTR_DIC :: dissolced inorganic carbon |
| 38 |
C PTR_ALK :: alkalinity |
| 39 |
C PTR_PO4 :: phosphate |
| 40 |
c PTR_DOP :: dissolve organic phosphurous |
| 41 |
c PTR_O2 :: oxygen |
| 42 |
C PTR_FE :: iron |
| 43 |
INTEGER myIter |
| 44 |
_RL myTime |
| 45 |
INTEGER myThid |
| 46 |
_RL PTR_DIC(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
| 47 |
_RL PTR_ALK(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
| 48 |
_RL PTR_PO4(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
| 49 |
_RL PTR_DOP(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
| 50 |
_RL PTR_O2(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
| 51 |
#ifdef ALLOW_FE |
| 52 |
_RL PTR_FE(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
| 53 |
#endif |
| 54 |
INTEGER bi, bj, imin, imax, jmin, jmax |
| 55 |
|
| 56 |
#ifdef ALLOW_PTRACERS |
| 57 |
#ifdef DIC_BIOTIC |
| 58 |
|
| 59 |
C !LOCAL VARIABLES: ==================================================== |
| 60 |
C i,j,k :: loop indices |
| 61 |
C G* :: tendency term for the tracers |
| 62 |
C SURA :: tendency of alkalinity due to freshwater |
| 63 |
C SURC :: tendency of DIC due to air-sea exchange |
| 64 |
C and virtual flux |
| 65 |
C SURO :: tendency of O2 due to air-sea exchange |
| 66 |
C BIO :: tendency of PO4 due to biological productivity, |
| 67 |
C exchange with DOP pool and reminerization |
| 68 |
C CAR :: carbonate changes due to biological |
| 69 |
C productivity and reminerization |
| 70 |
C bioac :: biological productivity |
| 71 |
C pflux :: changes to PO4 due to flux and reminerlization |
| 72 |
c cflux :: carbonate changes due to flux and reminerlization |
| 73 |
c freefe :: iron not bound to ligand |
| 74 |
_RL GDIC(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
| 75 |
_RL GALK(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
| 76 |
_RL GPO4(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
| 77 |
_RL GDOP(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
| 78 |
_RL GO2(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
| 79 |
_RL SURA(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
| 80 |
_RL SURC(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
| 81 |
_RL SURO(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
| 82 |
_RL BIO(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
| 83 |
_RL BIO_kar(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
| 84 |
_RL CAR(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
| 85 |
_RL bioac(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
| 86 |
_RL pflux(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
| 87 |
_RL cflux(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
| 88 |
#ifdef ALLOW_FE |
| 89 |
_RL GFE(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
| 90 |
_RL freefe(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
| 91 |
#endif |
| 92 |
INTEGER I,J,k |
| 93 |
INTEGER nCALCITEstep |
| 94 |
CEOP |
| 95 |
|
| 96 |
DO k=1,Nr |
| 97 |
DO j=1-OLy,sNy+OLy |
| 98 |
DO i=1-OLx,sNx+OLx |
| 99 |
GDIC(i,j,k)=0.d0 |
| 100 |
GALK(i,j,k)=0.d0 |
| 101 |
GPO4(i,j,k)=0.d0 |
| 102 |
GDOP(i,j,k)=0.d0 |
| 103 |
GO2(i,j,k)=0.d0 |
| 104 |
SURA(i,j)=0.d0 |
| 105 |
SURC(i,j)=0.d0 |
| 106 |
CAR(i,j,k)=0.d0 |
| 107 |
BIO(i,j,k)=0.d0 |
| 108 |
BIO_kar(i,j,k)=0.d0 |
| 109 |
bioac(i,j,k)=0.d0 |
| 110 |
pflux(i,j,k)=0.d0 |
| 111 |
cflux(i,j,k)=0.d0 |
| 112 |
#ifdef ALLOW_FE |
| 113 |
GFE(i,j,k)=0.d0 |
| 114 |
freefe(i,j,k)=0.d0 |
| 115 |
#endif |
| 116 |
ENDDO |
| 117 |
ENDDO |
| 118 |
ENDDO |
| 119 |
|
| 120 |
c carbon air-sea interaction |
| 121 |
CALL DIC_SURFFORCING( PTR_DIC, SURC, |
| 122 |
& bi,bj,imin,imax,jmin,jmax, |
| 123 |
& myIter,myTime,myThid) |
| 124 |
|
| 125 |
c alkalinity air-sea interaction |
| 126 |
CALL ALK_SURFFORCING( PTR_ALK, SURA, |
| 127 |
& bi,bj,imin,imax,jmin,jmax, |
| 128 |
& myIter,myTime,myThid) |
| 129 |
|
| 130 |
c carbon air-sea interaction |
| 131 |
CALL O2_SURFFORCING( PTR_O2, SURO, |
| 132 |
& bi,bj,imin,imax,jmin,jmax, |
| 133 |
& myIter,myTime,myThid) |
| 134 |
|
| 135 |
#ifdef ALLOW_FE |
| 136 |
c find free iron |
| 137 |
call fe_chem(bi,bj,iMin,iMax,jMin,jMax, PTR_FE, freefe, |
| 138 |
& myIter, mythid) |
| 139 |
#endif |
| 140 |
|
| 141 |
|
| 142 |
c biological activity |
| 143 |
CALL BIO_EXPORT( PTR_PO4 , |
| 144 |
#ifdef ALLOW_FE |
| 145 |
I PTR_FE, |
| 146 |
#endif |
| 147 |
I bioac, |
| 148 |
I bi,bj,imin,imax,jmin,jmax, |
| 149 |
I myIter,myTime,myThid) |
| 150 |
|
| 151 |
c flux of po4 from layers with biological activity |
| 152 |
CALL PHOS_FLUX( bioac, pflux, |
| 153 |
& bi,bj,imin,imax,jmin,jmax, |
| 154 |
& myIter,myTime,myThid) |
| 155 |
|
| 156 |
c carbonate |
| 157 |
#ifdef CAR_DISS |
| 158 |
c dissolution only below saturation horizon |
| 159 |
c code following methid by Karsten Friis |
| 160 |
nCALCITEstep = 3600 |
| 161 |
IF(myIter .lt. (nIter0+5) .or. |
| 162 |
& mod(myIter,nCALCITEstep) .eq. 0)THEN |
| 163 |
CALL CALCITE_SATURATION( |
| 164 |
I bi,bj,imin,imax,jmin,jmax, |
| 165 |
I myIter,myTime,myThid) |
| 166 |
ENDIF |
| 167 |
c |
| 168 |
CALL CAR_FLUX_OMEGA_TOP( bioac, cflux, |
| 169 |
& bi,bj,imin,imax,jmin,jmax, |
| 170 |
& myIter,myTime,myThid) |
| 171 |
#else |
| 172 |
c old OCMIP way |
| 173 |
CALL CAR_FLUX( bioac, cflux, |
| 174 |
& bi,bj,imin,imax,jmin,jmax, |
| 175 |
& myIter,myTime,myThid) |
| 176 |
#endif |
| 177 |
|
| 178 |
c add all tendencies for PO4, DOP, ALK, DIC |
| 179 |
DO k=1,Nr |
| 180 |
DO j=1-OLy,sNy+OLy |
| 181 |
DO i=1-OLx,sNx+OLx |
| 182 |
bio(i,j,k)=-bioac(i,j,k)+pflux(i,j,k) |
| 183 |
& + maskC(i,j,k,bi,bj)*Kdopremin*PTR_DOP(i,j,k) |
| 184 |
car(i,j,k)=-bioac(i,j,k)* R_cp*rain_ratio(i,j,bi,bj)* |
| 185 |
& (1.0-DOPfraction)+cflux(i,j,k) |
| 186 |
GPO4(i,j,k)=bio(i,j,k) |
| 187 |
GDOP(i,j,k)=+bioac(i,j,k)*DOPfraction |
| 188 |
& - maskC(i,j,k,bi,bj)*Kdopremin*PTR_DOP(i,j,k) |
| 189 |
GALK(i,j,k)=+2.d0*car(i,j,k)-R_NP*bio(i,j,k) |
| 190 |
BIO_kar(i,j,k)=R_NP*bio(i,j,k) |
| 191 |
GDIC(i,j,k)=car(i,j,k)+R_CP*bio(i,j,k) |
| 192 |
if (PTR_O2(i,j,k).gt.o2crit) then |
| 193 |
GO2(i,j,k)=R_OP*bio(i,j,k) |
| 194 |
else |
| 195 |
GO2(i,j,k)=0.d0 |
| 196 |
endif |
| 197 |
#ifdef ALLOW_FE |
| 198 |
GFE(i,j,k)=R_FeP*bio(i,j,k) |
| 199 |
& -Kscav*freefe(i,j,k) |
| 200 |
#endif |
| 201 |
IF (K.eq.1) then |
| 202 |
GALK(i,j,1)=GALK(i,j,1)+SURA(i,j) |
| 203 |
GDIC(i,j,1)=GDIC(i,j,1)+SURC(i,j) |
| 204 |
GO2(i,j,1)=GO2(i,j,1)+SURO(i,j) |
| 205 |
#ifdef ALLOW_FE |
| 206 |
GFE(i,j,1)=GFE(i,j,1)+alpfe* |
| 207 |
& InputFe(i,j,bi,bj)/drF(1) |
| 208 |
#endif |
| 209 |
ENDIF |
| 210 |
ENDDO |
| 211 |
ENDDO |
| 212 |
ENDDO |
| 213 |
|
| 214 |
|
| 215 |
C update |
| 216 |
DO k=1,Nr |
| 217 |
DO j=1-OLy,sNy+OLy |
| 218 |
DO i=1-OLx,sNx+OLx |
| 219 |
PTR_DIC(i,j,k)= |
| 220 |
& PTR_DIC(i,j,k)+GDIC(i,j,k)*dTtracerLev(k) |
| 221 |
PTR_ALK(i,j,k)= |
| 222 |
& PTR_ALK(i,j,k)+GALK(i,j,k)*dTtracerLev(k) |
| 223 |
PTR_PO4(i,j,k)= |
| 224 |
& PTR_PO4(i,j,k)+GPO4(i,j,k)*dTtracerLev(k) |
| 225 |
PTR_DOP(i,j,k)= |
| 226 |
& PTR_DOP(i,j,k)+GDOP(i,j,k)*dTtracerLev(k) |
| 227 |
PTR_O2(i,j,k)= |
| 228 |
& PTR_O2(i,j,k)+GO2(i,j,k)*dTtracerLev(k) |
| 229 |
#ifdef ALLOW_FE |
| 230 |
PTR_FE(i,j,k)= |
| 231 |
& PTR_FE(i,j,k)+GFE(i,j,k)*dTtracerLev(k) |
| 232 |
#endif |
| 233 |
ENDDO |
| 234 |
ENDDO |
| 235 |
ENDDO |
| 236 |
|
| 237 |
#ifdef ALLOW_TIMEAVE |
| 238 |
c save averages |
| 239 |
DO k=1,Nr |
| 240 |
DO j=1-OLy,sNy+OLy |
| 241 |
DO i=1-OLx,sNx+OLx |
| 242 |
BIOave(i,j,k,bi,bj)=BIOave(i,j,k,bi,bj)+ |
| 243 |
& BIOac(i,j,k)*deltaTclock |
| 244 |
CARave(i,j,k,bi,bj)=CARave(i,j,k,bi,bj)+ |
| 245 |
& CAR(i,j,k)*deltaTclock |
| 246 |
OmegaCave(i,j,k,bi,bj)= OmegaCave(i,j,k,bi,bj)+ |
| 247 |
& OmegaC(i,j,k,bi,bj)*deltaTclock |
| 248 |
pfluxave(i,j,k,bi,bj)= pfluxave(i,j,k,bi,bj) + |
| 249 |
& pflux(i,j,k)*deltaTclock |
| 250 |
cfluxave(i,j,k,bi,bj)= cfluxave(i,j,k,bi,bj) + |
| 251 |
& cflux(i,j,k)*deltaTclock |
| 252 |
if (k.eq.1) then |
| 253 |
SURave(i,j,bi,bj)=SURave(i,j,bi,bj)+ |
| 254 |
& SURC(i,j)*deltaTclock |
| 255 |
SUROave(i,j,bi,bj)=SUROave(i,j,bi,bj)+ |
| 256 |
& SURO(i,j)*deltaTclock |
| 257 |
pCO2ave(i,j,bi,bj)=pCO2ave(i,j,bi,bj)+ |
| 258 |
& pCO2(i,j,bi,bj)*deltaTclock |
| 259 |
pHave(i,j,bi,bj)=pHave(i,j,bi,bj)+ |
| 260 |
& pH(i,j,bi,bj)*deltaTclock |
| 261 |
fluxCO2ave(i,j,bi,bj)=fluxCO2ave(i,j,bi,bj)+ |
| 262 |
& fluxCO2(i,j,bi,bj)*deltaTclock |
| 263 |
endif |
| 264 |
ENDDO |
| 265 |
ENDDO |
| 266 |
ENDDO |
| 267 |
do k=1,Nr |
| 268 |
dic_timeave(bi,bj,k)=dic_timeave(bi,bj,k)+deltaTclock |
| 269 |
enddo |
| 270 |
#endif |
| 271 |
|
| 272 |
#endif |
| 273 |
#endif |
| 274 |
|
| 275 |
c |
| 276 |
RETURN |
| 277 |
END |
Parent Directory
| 
Revision Log
| 
Revision Graph