/[MITgcm]/MITgcm/pkg/dic/dic_surfforcing.F
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revision 1.25 by stephd, Tue Apr 19 21:34:32 2011 UTC revision 1.29 by dfer, Fri Oct 7 21:36:39 2011 UTC
# Line 46  c GDC                   :: tendency due Line 46  c GDC                   :: tendency due
46    
47  C !LOCAL VARIABLES: ====================================================  C !LOCAL VARIABLES: ====================================================
48         INTEGER i,j, kLev         INTEGER i,j, kLev
49           _RL co3dummy
50  C Number of iterations for pCO2 solvers...  C Number of iterations for pCO2 solvers...
51  C Solubility relation coefficients  C Solubility relation coefficients
52        _RL SchmidtNoDIC(1-OLx:sNx+OLx,1-OLy:sNy+OLy)        _RL SchmidtNoDIC(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
# Line 56  C local variables for carbon chem Line 57  C local variables for carbon chem
57        _RL surfalk(1-OLx:sNx+OLx,1-OLy:sNy+OLy)        _RL surfalk(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
58        _RL surfphos(1-OLx:sNx+OLx,1-OLy:sNy+OLy)        _RL surfphos(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
59        _RL surfsi(1-OLx:sNx+OLx,1-OLy:sNy+OLy)        _RL surfsi(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
60          _RL surftemp(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
61          _RL surfsalt(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
62          _RL surfdic(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
63  #ifdef ALLOW_OLD_VIRTUALFLUX  #ifdef ALLOW_OLD_VIRTUALFLUX
64        _RL VirtualFlux(1-OLx:sNx+OLx,1-OLy:sNy+OLy)        _RL VirtualFlux(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
65  #endif  #endif
# Line 84  C determine inorganic carbon chem coeffi Line 88  C determine inorganic carbon chem coeffi
88    
89  #ifdef DIC_BIOTIC  #ifdef DIC_BIOTIC
90  cQQQQ check ptracer numbers  cQQQQ check ptracer numbers
91    #ifdef DIC_BOUNDS
92                 surfalk(i,j) = max(0.4 _d 0,
93         &                          min(10. _d 0,PTR_ALK(i,j,klev)))
94         &                          * maskC(i,j,kLev,bi,bj)
95                 surfphos(i,j)  = max(1.0 _d -11,
96         &                          min(1._d -1, PTR_PO4(i,j,klev)))
97         &                          * maskC(i,j,kLev,bi,bj)
98    #else
99               surfalk(i,j) = PTR_ALK(i,j,klev)               surfalk(i,j) = PTR_ALK(i,j,klev)
100       &                          * maskC(i,j,kLev,bi,bj)       &                          * maskC(i,j,kLev,bi,bj)
101               surfphos(i,j)  = PTR_PO4(i,j,klev)               surfphos(i,j)  = PTR_PO4(i,j,klev)
102       &                          * maskC(i,j,kLev,bi,bj)       &                          * maskC(i,j,kLev,bi,bj)
103    #endif
104  #else  #else
105               surfalk(i,j) = 2.366595 _d 0 * salt(i,j,kLev,bi,bj)/gsm_s               surfalk(i,j) = 2.366595 _d 0 * salt(i,j,kLev,bi,bj)/gsm_s
106       &                          * maskC(i,j,kLev,bi,bj)       &                          * maskC(i,j,kLev,bi,bj)
# Line 95  cQQQQ check ptracer numbers Line 108  cQQQQ check ptracer numbers
108  #endif  #endif
109  C FOR NON-INTERACTIVE Si  C FOR NON-INTERACTIVE Si
110               surfsi(i,j)   = SILICA(i,j,bi,bj) * maskC(i,j,kLev,bi,bj)               surfsi(i,j)   = SILICA(i,j,bi,bj) * maskC(i,j,kLev,bi,bj)
111    #ifdef DIC_BOUNDS
112                surftemp(i,j) = max(-4. _d 0,
113         &                          min(50. _d 0, theta(i,j,kLev,bi,bj)))
114                surfsalt(i,j) = max(4. _d 0,
115         &                          min(50. _d 0, salt(i,j,kLev,bi,bj)))
116                surfdic(i,j)  = max(0.4 _d 0,
117         &                          min(10. _d 0, PTR_CO2(i,j,kLev)))
118    #else
119                surftemp(i,j) = theta(i,j,kLev,bi,bj)
120                surfsalt(i,j) = salt(i,j,kLev,bi,bj)
121                surfdic(i,j)  = PTR_CO2(i,j,kLev)
122    #endif
123            ENDDO            ENDDO
124           ENDDO           ENDDO
125    
126           CALL CARBON_COEFFS(           CALL CARBON_COEFFS(
127       I                       theta,salt,       I                       surftemp,surfsalt,
128       I                       bi,bj,iMin,iMax,jMin,jMax,myThid)       I                       bi,bj,iMin,iMax,jMin,jMax,myThid)
129  C====================================================================  C====================================================================
130    
# Line 133  C$TAF LOOP = parallel Line 158  C$TAF LOOP = parallel
158    
159            IF ( maskC(i,j,kLev,bi,bj).NE.0. _d 0 ) THEN            IF ( maskC(i,j,kLev,bi,bj).NE.0. _d 0 ) THEN
160              CALL CALC_PCO2_APPROX(              CALL CALC_PCO2_APPROX(
161       I        theta(i,j,kLev,bi,bj),salt(i,j,kLev,bi,bj),       I        surftemp(i,j),surfsalt(i,j),
162       I        PTR_CO2(i,j,kLev), surfphos(i,j),       I        surfdic(i,j), surfphos(i,j),
163       I        surfsi(i,j),surfalk(i,j),       I        surfsi(i,j),surfalk(i,j),
164       I        ak1(i,j,bi,bj),ak2(i,j,bi,bj),       I        ak1(i,j,bi,bj),ak2(i,j,bi,bj),
165       I        ak1p(i,j,bi,bj),ak2p(i,j,bi,bj),ak3p(i,j,bi,bj),       I        ak1p(i,j,bi,bj),ak2p(i,j,bi,bj),ak3p(i,j,bi,bj),
# Line 143  C$TAF LOOP = parallel Line 168  C$TAF LOOP = parallel
168       I        ak0(i,j,bi,bj), fugf(i,j,bi,bj),       I        ak0(i,j,bi,bj), fugf(i,j,bi,bj),
169       I        ff(i,j,bi,bj),       I        ff(i,j,bi,bj),
170       I        bt(i,j,bi,bj),st(i,j,bi,bj),ft(i,j,bi,bj),       I        bt(i,j,bi,bj),st(i,j,bi,bj),ft(i,j,bi,bj),
171       U        pH(i,j,bi,bj),pCO2(i,j,bi,bj),       U        pH(i,j,bi,bj),pCO2(i,j,bi,bj),co3dummy,
172       I        i,j,kLev,bi,bj,myIter,myThid )       I        i,j,kLev,bi,bj,myIter,myThid )
173            ELSE            ELSE
174              pCO2(i,j,bi,bj)=0. _d 0              pCO2(i,j,bi,bj)=0. _d 0
# Line 162  C calculate SCHMIDT NO. for CO2 Line 187  C calculate SCHMIDT NO. for CO2
187       &          + sca3 * theta(i,j,kLev,bi,bj)*theta(i,j,kLev,bi,bj)       &          + sca3 * theta(i,j,kLev,bi,bj)*theta(i,j,kLev,bi,bj)
188       &          + sca4 * theta(i,j,kLev,bi,bj)*theta(i,j,kLev,bi,bj)       &          + sca4 * theta(i,j,kLev,bi,bj)*theta(i,j,kLev,bi,bj)
189       &                *theta(i,j,kLev,bi,bj)       &                *theta(i,j,kLev,bi,bj)
190    c make sure Schmidt number is not negative (will happen if temp>39C)
191                 SchmidtNoDIC(i,j)=max(1.0 _d -2, SchmidtNoDIC(i,j))
192    
193  C Determine surface flux (FDIC)  C Determine surface flux (FDIC)
194  C first correct pCO2at for surface atmos pressure  C first correct pCO2at for surface atmos pressure
# Line 183  C Converting pCO2 to [CO2] using ff, as Line 210  C Converting pCO2 to [CO2] using ff, as
210       &         ff(i,j,bi,bj)*pCO2(i,j,bi,bj)       &         ff(i,j,bi,bj)*pCO2(i,j,bi,bj)
211       &         )       &         )
212  #else  #else
213  C Corrected by Val Bennington Nov 2010 per G.A. McKinley's finding  C Corrected by Val Bennington Nov 2010 per G.A. McKinley s finding
214  C of error in application of water vapor correction  C of error in application of water vapor correction
215  c Flux = kw*rho*(ff*pCO2atm-k0*FugFac*pCO2ocean)  c Flux = kw*rho*(ff*pCO2atm-k0*FugFac*pCO2ocean)
216                 FluxCO2(i,j,bi,bj) =                 FluxCO2(i,j,bi,bj) =
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