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dimitri |
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#include "CPP_OPTIONS.h" |
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#include "PTRACERS_OPTIONS.h" |
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#include "DARWIN_OPTIONS.h" |
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#ifdef ALLOW_PTRACERS |
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#ifdef ALLOW_DARWIN |
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#ifdef ALLOW_CARBON |
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CBOP |
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C !ROUTINE: DIC_BUDGETTHETA |
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C !INTERFACE: ========================================================== |
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SUBROUTINE DIC_BUDGETTEMP( PTR_DIC , PTR_ALK, PTR_PO4, PTR_SIL, |
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O deltaTemp, |
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I bi,bj,imin,imax,jmin,jmax, |
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I myIter,myTime,myThid) |
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C !DESCRIPTION: |
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C Calculate the carbon air-sea flux terms |
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C following external_forcing_dic.F (OCMIP run) from Mick |
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C !USES: =============================================================== |
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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 "FFIELDS.h" |
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#include "DARWIN_SIZE.h" |
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#include "DARWIN_IO.h" |
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#include "DARWIN_FLUX.h" |
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#ifdef USE_EXFWIND |
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#include "EXF_FIELDS.h" |
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#endif |
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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 :: DIC tracer field |
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INTEGER myIter, myThid |
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_RL myTime |
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_RL PTR_DIC(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL PTR_ALK(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL PTR_PO4(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL PTR_SIL(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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INTEGER iMin,iMax,jMin,jMax, bi, bj |
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C !LOCAL VARIABLES: ==================================================== |
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INTEGER I,J, kLev, it |
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C Number of iterations for pCO2 solvers... |
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C Solubility relation coefficients |
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_RL SchmidtNoDIC(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL pCO2sat(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL Kwexch(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL pisvel(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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C local variables for carbon chem |
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_RL surfdic(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL surfalk(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL surfphos(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL surfsi(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL surfsalt(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL surftemp(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL budgetTempPert(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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#ifdef ALLOW_OLD_VIRTUALFLUX |
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_RL VirtualFlux(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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#endif |
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C local variables for CO2_FLUX_BUDGET |
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_RL deltaTemp(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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CEOP |
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cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc |
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kLev=1 |
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cc if coupled to atmsopheric model, use the |
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cc Co2 value passed from the coupler |
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c#ifndef USE_ATMOSCO2 |
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cC PRE-INDUSTRIAL STEADY STATE pCO2 = 278.0 ppmv |
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c DO j=1-OLy,sNy+OLy |
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c DO i=1-OLx,sNx+OLx |
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c AtmospCO2(i,j,bi,bj)=278.0 _d -6 |
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c ENDDO |
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c ENDDO |
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c#endif |
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C ================================================================= |
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C determine inorganic carbon chem coefficients |
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DO j=jmin,jmax |
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DO i=imin,imax |
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c put bounds on tracers so pH solver doesn't blow up |
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surfdic(i,j) = |
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& max(100. _d 0 , min(4000. _d 0, PTR_DIC(i,j)))*1e-3 |
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& * maskC(i,j,kLev,bi,bj) |
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surfalk(i,j) = |
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& max(100. _d 0 , min(4000. _d 0, PTR_ALK(i,j)))*1e-3 |
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& * maskC(i,j,kLev,bi,bj) |
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surfphos(i,j) = |
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& max(1. _d -10, min(10. _d 0, PTR_PO4(i,j)))*1e-3 |
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& * maskC(i,j,kLev,bi,bj) |
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surfsi(i,j) = |
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& max(1. _d -8, min(500. _d 0, PTR_SIL(i,j)))*1e-3 |
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& * maskC(i,j,kLev,bi,bj) |
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surfsalt(i,j) = |
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& max(4. _d 0, min(50. _d 0, salt(i,j,kLev,bi,bj))) |
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surftemp(i,j) = |
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& max(-4. _d 0, min(39. _d 0, theta(i,j,kLev,bi,bj))) |
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budgetTempPert(i,j) = surftemp(i,j) + budgetPert |
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ENDDO |
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ENDDO |
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CALL CARBON_COEFFS( |
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I budgetTempPert,surfsalt, |
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I bi,bj,iMin,iMax,jMin,jMax,myThid) |
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C==================================================================== |
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DO j=jmin,jmax |
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DO i=imin,imax |
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C Compute AtmosP and Kwexch_Pre which are re-used for flux of O2 |
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#ifdef USE_PLOAD |
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C Convert anomalous pressure pLoad (in Pa) from atmospheric model |
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C to total pressure (in Atm) |
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C Note: it is assumed the reference atmospheric pressure is 1Atm=1013mb |
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C rather than the actual ref. pressure from Atm. model so that on |
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C average AtmosP is about 1 Atm. |
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AtmosP(i,j,bi,bj)= 1. _d 0 + pLoad(i,j,bi,bj)/Pa2Atm |
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#endif |
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C Pre-compute part of exchange coefficient: pisvel*(1-fice) |
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C Schmidt number is accounted for later |
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#ifdef USE_EXFWIND |
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pisvel(i,j)=0.337 _d 0 *wspeed(i,j,bi,bj)**2/3.6 _d 5 |
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cBX linear piston velocity after Krakauer et al. (2006), Eq. 3 |
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cBX using <k> = 20, n=0.5, and <u^n> = 2.6747 (as determined from 2010 |
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cBX EXFwspee field from cube92 run) |
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cDc pisvel(i,j)=20 _d 0 *(wspeed(i,j,bi,bj)**0.5 |
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cDc & /2.6747 _d 0) /3.6 _d 5 |
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#else |
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pisvel(i,j)=0.337 _d 0 *wind(i,j,bi,bj)**2/3.6 _d 5 |
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#endif |
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Kwexch_Pre(i,j,bi,bj) = pisvel(i,j) |
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& * (1. _d 0 - FIce(i,j,bi,bj)) |
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ENDDO |
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ENDDO |
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c pCO2 solver... |
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C$TAF LOOP = parallel |
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DO j=jmin,jmax |
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C$TAF LOOP = parallel |
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DO i=imin,imax |
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IF ( maskC(i,j,kLev,bi,bj).NE.0. _d 0 ) THEN |
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CALL CALC_PCO2_APPROX( |
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I budgetTempPert(i,j),surfsalt(i,j), |
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I surfdic(i,j), surfphos(i,j), |
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I surfsi(i,j),surfalk(i,j), |
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I ak1(i,j,bi,bj),ak2(i,j,bi,bj), |
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I ak1p(i,j,bi,bj),ak2p(i,j,bi,bj),ak3p(i,j,bi,bj), |
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I aks(i,j,bi,bj),akb(i,j,bi,bj),akw(i,j,bi,bj), |
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I aksi(i,j,bi,bj),akf(i,j,bi,bj), |
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I ak0(i,j,bi,bj), fugf(i,j,bi,bj), |
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I ff(i,j,bi,bj), |
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I bt(i,j,bi,bj),st(i,j,bi,bj),ft(i,j,bi,bj), |
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U pH(i,j,bi,bj),pCO2(i,j,bi,bj),CO3(i,j,bi,bj), |
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I myThid ) |
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ELSE |
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pH(i,j,bi,bj) = 0. _d 0 |
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pCO2(i,j,bi,bj) = 0. _d 0 |
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CO3(i,j,bi,bj) = 0. _d 0 |
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ENDIF |
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ENDDO |
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ENDDO |
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C update tendency |
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DO j=jmin,jmax |
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DO i=imin,imax |
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if(budgetTStep1.EQ.0) then |
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C if first timestep |
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C this is problematic at restart; clean-up later |
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deltaTemp(i,j) = 0. _d 0 |
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previousTemp(i,j,bi,bj) = surftemp(i,j) |
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else |
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C current value - value from last timestep |
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deltaTemp(i,j) = surftemp(i,j) - previousTemp(i,j,bi,bj) |
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previousTemp(i,j,bi,bj) = surftemp(i,j) |
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endif |
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ENDDO |
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ENDDO |
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RETURN |
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END |
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#endif /*ALLOW_CARBON*/ |
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#endif /*DARWIN*/ |
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#endif /*ALLOW_PTRACERS*/ |
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c ================================================================== |
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