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stephd |
1.14 |
C $Header: /u/gcmpack/MITgcm/pkg/dic/dic_biotic_forcing.F,v 1.13 2006/12/12 22:37:28 stephd Exp $ |
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jmc |
1.7 |
C $Name: $ |
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edhill |
1.4 |
#include "DIC_OPTIONS.h" |
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stephd |
1.1 |
#include "GCHEM_OPTIONS.h" |
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stephd |
1.6 |
CBOP |
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C !ROUTINE: DIC_BIOTIC_FORCING |
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C !INTERFACE: ========================================================== |
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stephd |
1.1 |
SUBROUTINE DIC_BIOTIC_FORCING( PTR_DIC, PTR_ALK, PTR_PO4, |
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stephd |
1.14 |
& PTR_DOP, |
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#ifdef ALLOW_O2 |
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& PTR_O2, |
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#endif |
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stephd |
1.1 |
#ifdef ALLOW_FE |
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& PTR_FE, |
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#endif |
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& bi,bj,imin,imax,jmin,jmax, |
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& myIter,myTime,myThid) |
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stephd |
1.6 |
C !DESCRIPTION: |
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C updates all the tracers for the effects of air-sea exchange, biological |
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c activity and remineralization |
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C !USES: =============================================================== |
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stephd |
1.1 |
IMPLICIT NONE |
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#include "SIZE.h" |
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#include "DYNVARS.h" |
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#include "EEPARAMS.h" |
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#include "PARAMS.h" |
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#include "GRID.h" |
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#include "DIC_BIOTIC.h" |
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#include "DIC_ABIOTIC.h" |
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stephd |
1.6 |
C !INPUT PARAMETERS: =================================================== |
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C myThid :: thread number |
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C myIter :: current timestep |
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C myTime :: current time |
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C PTR_DIC :: dissolced inorganic carbon |
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C PTR_ALK :: alkalinity |
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C PTR_PO4 :: phosphate |
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c PTR_DOP :: dissolve organic phosphurous |
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c PTR_O2 :: oxygen |
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C PTR_FE :: iron |
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stephd |
1.1 |
INTEGER myIter |
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_RL myTime |
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INTEGER myThid |
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_RL PTR_DIC(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
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_RL PTR_ALK(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
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_RL PTR_PO4(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
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_RL PTR_DOP(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
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stephd |
1.14 |
#ifdef ALLOW_O2 |
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stephd |
1.1 |
_RL PTR_O2(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
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stephd |
1.14 |
#endif |
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stephd |
1.1 |
#ifdef ALLOW_FE |
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_RL PTR_FE(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
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#endif |
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INTEGER bi, bj, imin, imax, jmin, jmax |
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#ifdef ALLOW_PTRACERS |
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#ifdef DIC_BIOTIC |
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stephd |
1.6 |
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C !LOCAL VARIABLES: ==================================================== |
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C i,j,k :: loop indices |
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C G* :: tendency term for the tracers |
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C SURA :: tendency of alkalinity due to freshwater |
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C SURC :: tendency of DIC due to air-sea exchange |
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C and virtual flux |
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C SURO :: tendency of O2 due to air-sea exchange |
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C BIO :: tendency of PO4 due to biological productivity, |
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C exchange with DOP pool and reminerization |
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C CAR :: carbonate changes due to biological |
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C productivity and reminerization |
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C bioac :: biological productivity |
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C pflux :: changes to PO4 due to flux and reminerlization |
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c cflux :: carbonate changes due to flux and reminerlization |
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c freefe :: iron not bound to ligand |
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stephd |
1.1 |
_RL GDIC(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
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_RL GALK(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
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_RL GPO4(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
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_RL GDOP(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
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_RL SURA(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL SURC(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL SURO(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL BIO(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
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stephd |
1.8 |
_RL BIO_kar(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
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stephd |
1.1 |
_RL CAR(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
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_RL bioac(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
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_RL pflux(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
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stephd |
1.13 |
_RL exportflux(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
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stephd |
1.1 |
_RL cflux(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
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stephd |
1.14 |
#ifdef ALLOW_O2 |
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_RL GO2(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
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#endif |
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stephd |
1.1 |
#ifdef ALLOW_FE |
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_RL GFE(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
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_RL freefe(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
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#endif |
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INTEGER I,J,k |
101 |
stephd |
1.8 |
INTEGER nCALCITEstep |
102 |
stephd |
1.6 |
CEOP |
103 |
stephd |
1.11 |
jmin=1 |
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jmax=sNy |
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imin=1 |
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imax=sNx |
107 |
stephd |
1.1 |
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DO k=1,Nr |
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DO j=1-OLy,sNy+OLy |
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DO i=1-OLx,sNx+OLx |
111 |
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GDIC(i,j,k)=0.d0 |
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GALK(i,j,k)=0.d0 |
113 |
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GPO4(i,j,k)=0.d0 |
114 |
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GDOP(i,j,k)=0.d0 |
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SURA(i,j)=0.d0 |
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SURC(i,j)=0.d0 |
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CAR(i,j,k)=0.d0 |
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BIO(i,j,k)=0.d0 |
119 |
stephd |
1.8 |
BIO_kar(i,j,k)=0.d0 |
120 |
stephd |
1.1 |
bioac(i,j,k)=0.d0 |
121 |
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pflux(i,j,k)=0.d0 |
122 |
stephd |
1.13 |
exportflux(i,j,k)=0.d0 |
123 |
stephd |
1.1 |
cflux(i,j,k)=0.d0 |
124 |
stephd |
1.14 |
#ifdef ALLOW_O2 |
125 |
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GO2(i,j,k)=0.d0 |
126 |
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#endif |
127 |
stephd |
1.1 |
#ifdef ALLOW_FE |
128 |
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GFE(i,j,k)=0.d0 |
129 |
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freefe(i,j,k)=0.d0 |
130 |
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#endif |
131 |
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ENDDO |
132 |
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ENDDO |
133 |
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ENDDO |
134 |
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135 |
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c carbon air-sea interaction |
136 |
stephd |
1.12 |
CALL DIC_SURFFORCING( PTR_DIC, PTR_ALK, PTR_PO4, SURC, |
137 |
stephd |
1.1 |
& bi,bj,imin,imax,jmin,jmax, |
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& myIter,myTime,myThid) |
139 |
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140 |
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c alkalinity air-sea interaction |
141 |
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CALL ALK_SURFFORCING( PTR_ALK, SURA, |
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& bi,bj,imin,imax,jmin,jmax, |
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& myIter,myTime,myThid) |
144 |
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145 |
stephd |
1.14 |
#ifdef ALLOW_O2 |
146 |
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c oxygen air-sea interaction |
147 |
stephd |
1.1 |
CALL O2_SURFFORCING( PTR_O2, SURO, |
148 |
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& bi,bj,imin,imax,jmin,jmax, |
149 |
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& myIter,myTime,myThid) |
150 |
stephd |
1.14 |
#endif |
151 |
stephd |
1.1 |
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152 |
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#ifdef ALLOW_FE |
153 |
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c find free iron |
154 |
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call fe_chem(bi,bj,iMin,iMax,jMin,jMax, PTR_FE, freefe, |
155 |
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& myIter, mythid) |
156 |
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#endif |
157 |
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158 |
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159 |
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c biological activity |
160 |
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CALL BIO_EXPORT( PTR_PO4 , |
161 |
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#ifdef ALLOW_FE |
162 |
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I PTR_FE, |
163 |
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#endif |
164 |
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I bioac, |
165 |
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I bi,bj,imin,imax,jmin,jmax, |
166 |
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I myIter,myTime,myThid) |
167 |
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168 |
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c flux of po4 from layers with biological activity |
169 |
stephd |
1.13 |
CALL PHOS_FLUX( bioac, pflux, exportflux, |
170 |
stephd |
1.1 |
& bi,bj,imin,imax,jmin,jmax, |
171 |
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& myIter,myTime,myThid) |
172 |
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173 |
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c carbonate |
174 |
stephd |
1.8 |
#ifdef CAR_DISS |
175 |
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c dissolution only below saturation horizon |
176 |
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c code following methid by Karsten Friis |
177 |
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nCALCITEstep = 3600 |
178 |
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IF(myIter .lt. (nIter0+5) .or. |
179 |
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& mod(myIter,nCALCITEstep) .eq. 0)THEN |
180 |
stephd |
1.12 |
CALL CALCITE_SATURATION(PTR_DIC, PTR_ALK, PTR_PO4, |
181 |
stephd |
1.8 |
I bi,bj,imin,imax,jmin,jmax, |
182 |
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I myIter,myTime,myThid) |
183 |
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ENDIF |
184 |
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c |
185 |
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CALL CAR_FLUX_OMEGA_TOP( bioac, cflux, |
186 |
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& bi,bj,imin,imax,jmin,jmax, |
187 |
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& myIter,myTime,myThid) |
188 |
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#else |
189 |
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c old OCMIP way |
190 |
stephd |
1.1 |
CALL CAR_FLUX( bioac, cflux, |
191 |
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& bi,bj,imin,imax,jmin,jmax, |
192 |
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& myIter,myTime,myThid) |
193 |
stephd |
1.8 |
#endif |
194 |
stephd |
1.1 |
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195 |
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c add all tendencies for PO4, DOP, ALK, DIC |
196 |
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DO k=1,Nr |
197 |
stephd |
1.11 |
DO j=jmin,jmax |
198 |
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DO i=imin,imax |
199 |
stephd |
1.1 |
bio(i,j,k)=-bioac(i,j,k)+pflux(i,j,k) |
200 |
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& + maskC(i,j,k,bi,bj)*Kdopremin*PTR_DOP(i,j,k) |
201 |
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car(i,j,k)=-bioac(i,j,k)* R_cp*rain_ratio(i,j,bi,bj)* |
202 |
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& (1.0-DOPfraction)+cflux(i,j,k) |
203 |
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GPO4(i,j,k)=bio(i,j,k) |
204 |
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GDOP(i,j,k)=+bioac(i,j,k)*DOPfraction |
205 |
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& - maskC(i,j,k,bi,bj)*Kdopremin*PTR_DOP(i,j,k) |
206 |
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GALK(i,j,k)=+2.d0*car(i,j,k)-R_NP*bio(i,j,k) |
207 |
stephd |
1.8 |
BIO_kar(i,j,k)=R_NP*bio(i,j,k) |
208 |
stephd |
1.1 |
GDIC(i,j,k)=car(i,j,k)+R_CP*bio(i,j,k) |
209 |
stephd |
1.14 |
#ifdef ALLOW_O2 |
210 |
stephd |
1.1 |
if (PTR_O2(i,j,k).gt.o2crit) then |
211 |
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GO2(i,j,k)=R_OP*bio(i,j,k) |
212 |
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else |
213 |
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GO2(i,j,k)=0.d0 |
214 |
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endif |
215 |
stephd |
1.14 |
#endif |
216 |
stephd |
1.1 |
#ifdef ALLOW_FE |
217 |
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GFE(i,j,k)=R_FeP*bio(i,j,k) |
218 |
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& -Kscav*freefe(i,j,k) |
219 |
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#endif |
220 |
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IF (K.eq.1) then |
221 |
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GALK(i,j,1)=GALK(i,j,1)+SURA(i,j) |
222 |
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GDIC(i,j,1)=GDIC(i,j,1)+SURC(i,j) |
223 |
stephd |
1.14 |
#ifdef ALLOW_O2 |
224 |
stephd |
1.1 |
GO2(i,j,1)=GO2(i,j,1)+SURO(i,j) |
225 |
stephd |
1.14 |
#endif |
226 |
stephd |
1.1 |
#ifdef ALLOW_FE |
227 |
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GFE(i,j,1)=GFE(i,j,1)+alpfe* |
228 |
stephd |
1.9 |
& InputFe(i,j,bi,bj)*recip_drF(1) |
229 |
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& *recip_hFacC(i,j,1,bi,bj) |
230 |
stephd |
1.1 |
#endif |
231 |
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ENDIF |
232 |
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ENDDO |
233 |
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ENDDO |
234 |
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ENDDO |
235 |
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236 |
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237 |
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C update |
238 |
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DO k=1,Nr |
239 |
stephd |
1.11 |
DO j=jmin,jmax |
240 |
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DO i=imin,imax |
241 |
stephd |
1.1 |
PTR_DIC(i,j,k)= |
242 |
jmc |
1.7 |
& PTR_DIC(i,j,k)+GDIC(i,j,k)*dTtracerLev(k) |
243 |
stephd |
1.1 |
PTR_ALK(i,j,k)= |
244 |
jmc |
1.7 |
& PTR_ALK(i,j,k)+GALK(i,j,k)*dTtracerLev(k) |
245 |
stephd |
1.1 |
PTR_PO4(i,j,k)= |
246 |
jmc |
1.7 |
& PTR_PO4(i,j,k)+GPO4(i,j,k)*dTtracerLev(k) |
247 |
stephd |
1.1 |
PTR_DOP(i,j,k)= |
248 |
jmc |
1.7 |
& PTR_DOP(i,j,k)+GDOP(i,j,k)*dTtracerLev(k) |
249 |
stephd |
1.14 |
#ifdef ALLOW_O2 |
250 |
stephd |
1.1 |
PTR_O2(i,j,k)= |
251 |
jmc |
1.7 |
& PTR_O2(i,j,k)+GO2(i,j,k)*dTtracerLev(k) |
252 |
stephd |
1.14 |
#endif |
253 |
stephd |
1.1 |
#ifdef ALLOW_FE |
254 |
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PTR_FE(i,j,k)= |
255 |
jmc |
1.7 |
& PTR_FE(i,j,k)+GFE(i,j,k)*dTtracerLev(k) |
256 |
stephd |
1.1 |
#endif |
257 |
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ENDDO |
258 |
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ENDDO |
259 |
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ENDDO |
260 |
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261 |
stephd |
1.10 |
#ifdef ALLOW_FE |
262 |
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#ifdef MINFE |
263 |
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c find free iron and get rid of insoluble part |
264 |
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call fe_chem(bi,bj,iMin,iMax,jMin,jMax, PTR_FE, freefe, |
265 |
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& myIter, mythid) |
266 |
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#endif |
267 |
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#endif |
268 |
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269 |
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270 |
stephd |
1.1 |
#ifdef ALLOW_TIMEAVE |
271 |
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c save averages |
272 |
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DO k=1,Nr |
273 |
stephd |
1.11 |
DO j=jmin,jmax |
274 |
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DO i=imin,imax |
275 |
stephd |
1.1 |
BIOave(i,j,k,bi,bj)=BIOave(i,j,k,bi,bj)+ |
276 |
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& BIOac(i,j,k)*deltaTclock |
277 |
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CARave(i,j,k,bi,bj)=CARave(i,j,k,bi,bj)+ |
278 |
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& CAR(i,j,k)*deltaTclock |
279 |
stephd |
1.8 |
OmegaCave(i,j,k,bi,bj)= OmegaCave(i,j,k,bi,bj)+ |
280 |
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& OmegaC(i,j,k,bi,bj)*deltaTclock |
281 |
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pfluxave(i,j,k,bi,bj)= pfluxave(i,j,k,bi,bj) + |
282 |
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& pflux(i,j,k)*deltaTclock |
283 |
stephd |
1.13 |
epfluxave(i,j,k,bi,bj)= epfluxave(i,j,k,bi,bj) + |
284 |
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& exportflux(i,j,k)*deltaTclock |
285 |
stephd |
1.8 |
cfluxave(i,j,k,bi,bj)= cfluxave(i,j,k,bi,bj) + |
286 |
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& cflux(i,j,k)*deltaTclock |
287 |
stephd |
1.1 |
if (k.eq.1) then |
288 |
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SURave(i,j,bi,bj)=SURave(i,j,bi,bj)+ |
289 |
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& SURC(i,j)*deltaTclock |
290 |
stephd |
1.14 |
#ifdef ALLOW_O2 |
291 |
stephd |
1.1 |
SUROave(i,j,bi,bj)=SUROave(i,j,bi,bj)+ |
292 |
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& SURO(i,j)*deltaTclock |
293 |
stephd |
1.14 |
#endif |
294 |
stephd |
1.1 |
pCO2ave(i,j,bi,bj)=pCO2ave(i,j,bi,bj)+ |
295 |
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& pCO2(i,j,bi,bj)*deltaTclock |
296 |
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pHave(i,j,bi,bj)=pHave(i,j,bi,bj)+ |
297 |
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& pH(i,j,bi,bj)*deltaTclock |
298 |
stephd |
1.2 |
fluxCO2ave(i,j,bi,bj)=fluxCO2ave(i,j,bi,bj)+ |
299 |
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& fluxCO2(i,j,bi,bj)*deltaTclock |
300 |
stephd |
1.1 |
endif |
301 |
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ENDDO |
302 |
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ENDDO |
303 |
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ENDDO |
304 |
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do k=1,Nr |
305 |
|
|
dic_timeave(bi,bj,k)=dic_timeave(bi,bj,k)+deltaTclock |
306 |
|
|
enddo |
307 |
|
|
#endif |
308 |
|
|
|
309 |
|
|
#endif |
310 |
|
|
#endif |
311 |
|
|
|
312 |
|
|
c |
313 |
|
|
RETURN |
314 |
|
|
END |