| 634 |
CStartOfInterFace |
CStartOfInterFace |
| 635 |
SUBROUTINE CARBON_COEFFS( |
SUBROUTINE CARBON_COEFFS( |
| 636 |
I ttemp,stemp, |
I ttemp,stemp, |
| 637 |
I bi,bj,iMin,iMax,jMin,jMax,myThid) |
I bi,bj,iMin,iMax,jMin,jMax, |
| 638 |
|
I kLevel, myThid) |
| 639 |
C |
C |
| 640 |
C /==========================================================\ |
C /==========================================================\ |
| 641 |
C | SUBROUTINE CARBON_COEFFS | |
C | SUBROUTINE CARBON_COEFFS | |
| 643 |
C | adapted from OCMIP2: SUBROUTINE CO2CALC | |
C | adapted from OCMIP2: SUBROUTINE CO2CALC | |
| 644 |
C | mick follows, oct 1999 | |
C | mick follows, oct 1999 | |
| 645 |
c | minor changes to tidy, swd aug 2002 | |
c | minor changes to tidy, swd aug 2002 | |
| 646 |
|
c | MODIFIED FOR PRESSURE DEPENDENCE | |
| 647 |
|
c | Karsten Friis and Mick Follows 2004 | |
| 648 |
|
c | added 2013 (steph) | |
| 649 |
C \==========================================================/ |
C \==========================================================/ |
| 650 |
C INPUT |
C INPUT |
| 651 |
C diclocal = total inorganic carbon (mol/m^3) |
C diclocal = total inorganic carbon (mol/m^3) |
| 667 |
c are likewise be in mol/m^3. |
c are likewise be in mol/m^3. |
| 668 |
C |
C |
| 669 |
C Apr 2011: fix vapour bug (following Bennington) |
C Apr 2011: fix vapour bug (following Bennington) |
| 670 |
|
C Oct 2013: c NOW INCLUDES: |
| 671 |
|
c PRESSURE DEPENDENCE of K1, K2, solubility product of calcite |
| 672 |
|
c based on Takahashi, GEOSECS Atlantic Report, Vol. 1 (1981) |
| 673 |
C-------------------------------------------------------------------------- |
C-------------------------------------------------------------------------- |
| 674 |
IMPLICIT NONE |
IMPLICIT NONE |
| 675 |
C == GLobal variables == |
C == GLobal variables == |
| 688 |
_RL ttemp(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
_RL ttemp(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
| 689 |
_RL stemp(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
_RL stemp(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
| 690 |
INTEGER bi,bj,iMin,iMax,jMin,jMax |
INTEGER bi,bj,iMin,iMax,jMin,jMax |
| 691 |
|
INTEGER kLevel |
| 692 |
INTEGER myThid |
INTEGER myThid |
| 693 |
CEndOfInterface |
CEndOfInterface |
| 694 |
|
|
| 714 |
_RL invtk |
_RL invtk |
| 715 |
_RL is |
_RL is |
| 716 |
_RL is2 |
_RL is2 |
| 717 |
|
c add pressure dependency |
| 718 |
|
_RL bdepth |
| 719 |
|
_RL cdepth |
| 720 |
|
_RL pressc |
| 721 |
|
c calcite stuff |
| 722 |
|
_RL Ksp_T_Calc |
| 723 |
|
_RL xvalue |
| 724 |
|
_RL zdum |
| 725 |
|
_RL tmpa1 |
| 726 |
|
_RL tmpa2 |
| 727 |
|
_RL tmpa3 |
| 728 |
|
_RL logKspc |
| 729 |
|
_RL dv |
| 730 |
|
_RL dk |
| 731 |
|
_RL pfactor |
| 732 |
|
_RL bigR |
| 733 |
c add Bennington |
c add Bennington |
| 734 |
_RL P1atm |
_RL P1atm |
| 735 |
_RL Rgas |
_RL Rgas |
| 739 |
_RL B |
_RL B |
| 740 |
INTEGER i |
INTEGER i |
| 741 |
INTEGER j |
INTEGER j |
| 742 |
|
INTEGER k |
| 743 |
|
|
| 744 |
C..................................................................... |
C..................................................................... |
| 745 |
C OCMIP note: |
C OCMIP note: |
| 752 |
C the Carbon Dioxide System in Seawater", DOE, 1994 (SOP No. 3, p25-26). |
C the Carbon Dioxide System in Seawater", DOE, 1994 (SOP No. 3, p25-26). |
| 753 |
C.................................................................... |
C.................................................................... |
| 754 |
|
|
| 755 |
|
c determine pressure (bar) from depth |
| 756 |
|
c 1 BAR at z=0m (atmos pressure) |
| 757 |
|
c use UPPER surface of cell so top layer pressure = 0 bar |
| 758 |
|
c for surface exchange coeffs |
| 759 |
|
|
| 760 |
|
c if surface, calculate at interface pressure, |
| 761 |
|
c else calculate at mid-depth pressure |
| 762 |
|
if (Klevel.gt.1) then |
| 763 |
|
bdepth = 0.0d0 |
| 764 |
|
cdepth = 0.0d0 |
| 765 |
|
pressc = 1.01325 _d 0 |
| 766 |
|
do k = 1,Klevel |
| 767 |
|
cdepth = bdepth + 0.5d0*drF(k) |
| 768 |
|
bdepth = bdepth + drF(k) |
| 769 |
|
pressc = 1.0d0 + 0.1d0*cdepth |
| 770 |
|
end do |
| 771 |
|
else |
| 772 |
|
pressc = 1.01325 _d 0 |
| 773 |
|
endif |
| 774 |
|
|
| 775 |
do i=imin,imax |
do i=imin,imax |
| 776 |
do j=jmin,jmax |
do j=jmin,jmax |
| 777 |
if (hFacC(i,j,1,bi,bj).gt.0. _d 0) then |
if (hFacC(i,j,1,bi,bj).gt.0. _d 0) then |
| 795 |
C Fugacity Factor needed for non-ideality in ocean |
C Fugacity Factor needed for non-ideality in ocean |
| 796 |
C ff used for atmospheric correction for water vapor and pressure |
C ff used for atmospheric correction for water vapor and pressure |
| 797 |
C Weiss (1974) Marine Chemistry |
C Weiss (1974) Marine Chemistry |
| 798 |
P1atm = 1.01325 _d 0 ! bars |
P1atm = pressc ! bars |
| 799 |
Rgas = 83.1451 _d 0 ! bar*cm3/(mol*K) |
Rgas = 83.1451 _d 0 ! bar*cm3/(mol*K) |
| 800 |
RT = Rgas*tk |
RT = Rgas*tk |
| 801 |
delta = (57.7 _d 0 - 0.118 _d 0*tk) |
delta = (57.7 _d 0 - 0.118 _d 0*tk) |
| 824 |
& 0.0118 _d 0 * s + 0.000116 _d 0*s2)) |
& 0.0118 _d 0 * s + 0.000116 _d 0*s2)) |
| 825 |
ak2(i,j,bi,bj)=10.**(-1. _d 0*(1394.7 _d 0*invtk+ 4.777 _d 0- |
ak2(i,j,bi,bj)=10.**(-1. _d 0*(1394.7 _d 0*invtk+ 4.777 _d 0- |
| 826 |
& 0.0184 _d 0*s + 0.000118 _d 0*s2)) |
& 0.0184 _d 0*s + 0.000118 _d 0*s2)) |
| 827 |
|
C |
| 828 |
|
C NOW PRESSURE DEPENDENCE: |
| 829 |
|
c Following Takahashi (1981) GEOSECS report - quoting Culberson and |
| 830 |
|
c Pytkowicz (1968) |
| 831 |
|
if (kLevel.gt.1) then |
| 832 |
|
c pressc = pressure in bars |
| 833 |
|
ak1(i,j,bi,bj) = ak1(i,j,bi,bj)* |
| 834 |
|
& exp( (24.2-0.085*t)*(pressc-1.0)/(83.143*tk) ) |
| 835 |
|
c FIRST GO FOR K2: According to GEOSECS (1982) report |
| 836 |
|
c ak2(i,j,bi,bj) = ak2(i,j,bi,bj)* |
| 837 |
|
c & exp( (26.4-0.040*t)*(pressc-1.0)/(83.143*tk) ) |
| 838 |
|
c SECOND GO FOR K2: corrected coeff according to CO2sys documentation |
| 839 |
|
c E. Lewis and D. Wallace (1998) ORNL/CDIAC-105 |
| 840 |
|
ak2(i,j,bi,bj) = ak2(i,j,bi,bj)* |
| 841 |
|
& exp( (16.4-0.040*t)*(pressc-1.0)/(83.143*tk) ) |
| 842 |
|
endif |
| 843 |
C------------------------------------------------------------------------ |
C------------------------------------------------------------------------ |
| 844 |
C kb = [H][BO2]/[HBO2] |
C kb = [H][BO2]/[HBO2] |
| 845 |
C Millero p.669 (1995) using data from dickson (1990) |
C Millero p.669 (1995) using data from dickson (1990) |
| 848 |
& (148.0248 _d 0 + 137.1942 _d 0*sqrts + 1.62142 _d 0*s) + |
& (148.0248 _d 0 + 137.1942 _d 0*sqrts + 1.62142 _d 0*s) + |
| 849 |
& (-24.4344 _d 0 - 25.085 _d 0*sqrts - 0.2474 _d 0*s) * |
& (-24.4344 _d 0 - 25.085 _d 0*sqrts - 0.2474 _d 0*s) * |
| 850 |
& dlogtk + 0.053105 _d 0*sqrts*tk) |
& dlogtk + 0.053105 _d 0*sqrts*tk) |
| 851 |
|
if (kLevel.gt.1) then |
| 852 |
|
C Mick and Karsten - Dec 04 |
| 853 |
|
C ADDING pressure dependence based on Millero (1995), p675 |
| 854 |
|
C with additional info from CO2sys documentation (E. Lewis and |
| 855 |
|
C D. Wallace, 1998 - see endnotes for commentary on Millero, 95) |
| 856 |
|
bigR = 83.145 |
| 857 |
|
dv = -29.48 + 0.1622*t + 2.608d-3*t*t |
| 858 |
|
dk = -2.84d-3 |
| 859 |
|
pfactor = - (dv/(bigR*tk))*pressc |
| 860 |
|
& + (0.5*dk/(bigR*tk))*pressc*pressc |
| 861 |
|
akb(i,j,bi,bj) = akb(i,j,bi,bj)*exp(pfactor) |
| 862 |
|
endif |
| 863 |
C------------------------------------------------------------------------ |
C------------------------------------------------------------------------ |
| 864 |
C k1p = [H][H2PO4]/[H3PO4] |
C k1p = [H][H2PO4]/[H3PO4] |
| 865 |
C DOE(1994) eq 7.2.20 with footnote using data from Millero (1974) |
C DOE(1994) eq 7.2.20 with footnote using data from Millero (1974) |
| 920 |
C Riley (1965) |
C Riley (1965) |
| 921 |
ft(i,j,bi,bj) = 0.000067 _d 0 * scl/18.9984 _d 0 |
ft(i,j,bi,bj) = 0.000067 _d 0 * scl/18.9984 _d 0 |
| 922 |
C------------------------------------------------------------------------ |
C------------------------------------------------------------------------ |
|
else |
|
|
c add Bennington |
|
|
fugf(i,j,bi,bj)=0. _d 0 |
|
|
ff(i,j,bi,bj)=0. _d 0 |
|
|
ak0(i,j,bi,bj)= 0. _d 0 |
|
|
ak1(i,j,bi,bj)= 0. _d 0 |
|
|
ak2(i,j,bi,bj)= 0. _d 0 |
|
|
akb(i,j,bi,bj)= 0. _d 0 |
|
|
ak1p(i,j,bi,bj) = 0. _d 0 |
|
|
ak2p(i,j,bi,bj) = 0. _d 0 |
|
|
ak3p(i,j,bi,bj) = 0. _d 0 |
|
|
aksi(i,j,bi,bj) = 0. _d 0 |
|
|
akw(i,j,bi,bj) = 0. _d 0 |
|
|
aks(i,j,bi,bj)= 0. _d 0 |
|
|
akf(i,j,bi,bj)= 0. _d 0 |
|
|
bt(i,j,bi,bj) = 0. _d 0 |
|
|
st(i,j,bi,bj) = 0. _d 0 |
|
|
ft(i,j,bi,bj) = 0. _d 0 |
|
|
endif |
|
|
end do |
|
|
end do |
|
|
|
|
|
return |
|
|
end |
|
|
|
|
|
c================================================================= |
|
|
c ******************************************************************* |
|
|
c================================================================= |
|
|
CStartOfInterFace |
|
|
SUBROUTINE CARBON_COEFFS_PRESSURE_DEP( |
|
|
I ttemp,stemp, |
|
|
I bi,bj,iMin,iMax,jMin,jMax, |
|
|
I Klevel,myThid) |
|
|
C |
|
|
C /==========================================================\ |
|
|
C | SUBROUTINE CARBON_COEFFS | |
|
|
C | determine coefficients for surface carbon chemistry | |
|
|
C | adapted from OCMIP2: SUBROUTINE CO2CALC | |
|
|
C | mick follows, oct 1999 | |
|
|
c | minor changes to tidy, swd aug 2002 | |
|
|
c | MODIFIED FOR PRESSURE DEPENDENCE | |
|
|
c | Karsten Friis and Mick Follows 2004 | |
|
|
C \==========================================================/ |
|
|
C INPUT |
|
|
C diclocal = total inorganic carbon (mol/m^3) |
|
|
C where 1 T = 1 metric ton = 1000 kg |
|
|
C ta = total alkalinity (eq/m^3) |
|
|
C pt = inorganic phosphate (mol/^3) |
|
|
C sit = inorganic silicate (mol/^3) |
|
|
C t = temperature (degrees C) |
|
|
C s = salinity (PSU) |
|
|
C OUTPUT |
|
|
C IMPORTANT: Some words about units - (JCO, 4/4/1999) |
|
|
c - Models carry tracers in mol/m^3 (on a per volume basis) |
|
|
c - Conversely, this routine, which was written by observationalists |
|
|
c (C. Sabine and R. Key), passes input arguments in umol/kg |
|
|
c (i.e., on a per mass basis) |
|
|
c - I have changed things slightly so that input arguments are in mol/m^3, |
|
|
c - Thus, all input concentrations (diclocal, ta, pt, and st) should be |
|
|
c given in mol/m^3; output arguments "co2star" and "dco2star" |
|
|
c are likewise be in mol/m^3. |
|
|
c |
|
|
c |
|
|
c NOW INCLUDES: |
|
|
c PRESSURE DEPENDENCE of K1, K2, solubility product of calcite |
|
|
c based on Takahashi, GEOSECS Atlantic Report, Vol. 1 (1981) |
|
|
c |
|
|
C-------------------------------------------------------------------------- |
|
|
IMPLICIT NONE |
|
|
C == GLobal variables == |
|
|
#include "SIZE.h" |
|
|
#include "DYNVARS.h" |
|
|
#include "EEPARAMS.h" |
|
|
#include "PARAMS.h" |
|
|
#include "GRID.h" |
|
|
#include "FFIELDS.h" |
|
|
#include "DARWIN_FLUX.h" |
|
|
C == Routine arguments == |
|
|
C ttemp and stemp are local theta and salt arrays |
|
|
C dont really need to pass T and S in, could use theta, salt in |
|
|
C common block in DYNVARS.h, but this way keeps subroutine more |
|
|
C general |
|
|
_RL ttemp(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
|
|
_RL stemp(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
|
|
INTEGER bi,bj,iMin,iMax,jMin,jMax |
|
|
c K is depth index |
|
|
INTEGER Klevel |
|
|
INTEGER myThid |
|
|
CEndOfInterface |
|
|
|
|
|
|
|
|
|
|
|
C LOCAL VARIABLES |
|
|
_RL t |
|
|
_RL s |
|
|
_RL ta |
|
|
_RL pt |
|
|
_RL sit |
|
|
_RL tk |
|
|
_RL tk100 |
|
|
_RL tk1002 |
|
|
_RL dlogtk |
|
|
_RL sqrtis |
|
|
_RL sqrts |
|
|
_RL s15 |
|
|
_RL scl |
|
|
_RL x1 |
|
|
_RL x2 |
|
|
_RL s2 |
|
|
_RL xacc |
|
|
_RL invtk |
|
|
_RL is |
|
|
_RL is2 |
|
|
INTEGER i |
|
|
INTEGER j |
|
|
INTEGER k |
|
|
_RL bdepth |
|
|
_RL cdepth |
|
|
_RL pressc |
|
|
_RL Ksp_T_Calc |
|
|
_RL xvalue |
|
|
_RL zdum |
|
|
_RL tmpa1 |
|
|
_RL tmpa2 |
|
|
_RL tmpa3 |
|
|
_RL logKspc |
|
|
_RL dv |
|
|
_RL dk |
|
|
_RL pfactor |
|
|
_RL bigR |
|
|
|
|
|
C..................................................................... |
|
|
C OCMIP note: |
|
|
C Calculate all constants needed to convert between various measured |
|
|
C carbon species. References for each equation are noted in the code. |
|
|
C Once calculated, the constants are |
|
|
C stored and passed in the common block "const". The original version |
|
|
C of this code was based on the code by dickson in Version 2 of |
|
|
C "Handbook of Methods C for the Analysis of the Various Parameters of |
|
|
C the Carbon Dioxide System in Seawater", DOE, 1994 (SOP No. 3, p25-26). |
|
|
C.................................................................... |
|
|
|
|
|
c determine pressure (bar) from depth |
|
|
c 1 BAR at z=0m (atmos pressure) |
|
|
c use UPPER surface of cell so top layer pressure = 0 bar |
|
|
c for surface exchange coeffs |
|
|
|
|
|
cmick.............................. |
|
|
c write(6,*)'Klevel ',klevel |
|
|
|
|
|
bdepth = 0.0d0 |
|
|
cdepth = 0.0d0 |
|
|
pressc = 1.0d0 |
|
|
do k = 1,Klevel |
|
|
cdepth = bdepth + 0.5d0*drF(k) |
|
|
bdepth = bdepth + drF(k) |
|
|
pressc = 1.0d0 + 0.1d0*cdepth |
|
|
end do |
|
|
cmick................................................... |
|
|
c write(6,*)'depth,pressc ',cdepth,pressc |
|
|
cmick.................................................... |
|
|
|
|
|
|
|
|
|
|
|
do i=imin,imax |
|
|
do j=jmin,jmax |
|
|
if (hFacC(i,j,Klevel,bi,bj).gt.0.d0) then |
|
|
t = ttemp(i,j,Klevel,bi,bj) |
|
|
s = max(4. _d 0, stemp(i,j,Klevel,bi,bj)) |
|
|
C terms used more than once |
|
|
tk = 273.15 + t |
|
|
tk100 = tk/100.0 |
|
|
tk1002=tk100*tk100 |
|
|
invtk=1.0/tk |
|
|
dlogtk=log(tk) |
|
|
is=19.924*s/(1000.-1.005*s) |
|
|
is2=is*is |
|
|
sqrtis=sqrt(is) |
|
|
s2=s*s |
|
|
sqrts=sqrt(s) |
|
|
s15=s**1.5 |
|
|
scl=s/1.80655 |
|
|
|
|
|
C------------------------------------------------------------------------ |
|
|
C f = k0(1-pH2O)*correction term for non-ideality |
|
|
C Weiss & Price (1980, Mar. Chem., 8, 347-359; Eq 13 with table 6 values) |
|
|
ff(i,j,bi,bj) = exp(-162.8301 + 218.2968/tk100 + |
|
|
& 90.9241*log(tk100) - 1.47696*tk1002 + |
|
|
& s * (.025695 - .025225*tk100 + |
|
|
& 0.0049867*tk1002)) |
|
|
C------------------------------------------------------------------------ |
|
|
C K0 from Weiss 1974 |
|
|
ak0(i,j,bi,bj) = exp(93.4517/tk100 - 60.2409 + |
|
|
& 23.3585 * log(tk100) + |
|
|
& s * (0.023517 - 0.023656*tk100 + |
|
|
& 0.0047036*tk1002)) |
|
|
C------------------------------------------------------------------------ |
|
|
C k1 = [H][HCO3]/[H2CO3] |
|
|
C k2 = [H][CO3]/[HCO3] |
|
|
C Millero p.664 (1995) using Mehrbach et al. data on seawater scale |
|
|
ak1(i,j,bi,bj)=10**(-1*(3670.7*invtk - |
|
|
& 62.008 + 9.7944*dlogtk - |
|
|
& 0.0118 * s + 0.000116*s2)) |
|
|
ak2(i,j,bi,bj)=10**(-1*(1394.7*invtk + 4.777 - |
|
|
& 0.0184*s + 0.000118*s2)) |
|
|
C NOW PRESSURE DEPENDENCE: |
|
|
c Following Takahashi (1981) GEOSECS report - quoting Culberson and |
|
|
c Pytkowicz (1968) |
|
|
c pressc = pressure in bars |
|
|
ak1(i,j,bi,bj) = ak1(i,j,bi,bj)* |
|
|
& exp( (24.2-0.085*t)*(pressc-1.0)/(83.143*tk) ) |
|
|
c FIRST GO FOR K2: According to GEOSECS (1982) report |
|
|
c ak2(i,j,bi,bj) = ak2(i,j,bi,bj)* |
|
|
c & exp( (26.4-0.040*t)*(pressc-1.0)/(83.143*tk) ) |
|
|
c SECOND GO FOR K2: corrected coeff according to CO2sys documentation |
|
|
c E. Lewis and D. Wallace (1998) ORNL/CDIAC-105 |
|
|
ak2(i,j,bi,bj) = ak2(i,j,bi,bj)* |
|
|
& exp( (16.4-0.040*t)*(pressc-1.0)/(83.143*tk) ) |
|
|
C------------------------------------------------------------------------ |
|
|
C kb = [H][BO2]/[HBO2] |
|
|
C Millero p.669 (1995) using data from dickson (1990) |
|
|
akb(i,j,bi,bj)=exp((-8966.90 - 2890.53*sqrts - 77.942*s + |
|
|
& 1.728*s15 - 0.0996*s2)*invtk + |
|
|
& (148.0248 + 137.1942*sqrts + 1.62142*s) + |
|
|
& (-24.4344 - 25.085*sqrts - 0.2474*s) * |
|
|
& dlogtk + 0.053105*sqrts*tk) |
|
|
C Mick and Karsten - Dec 04 |
|
|
C ADDING pressure dependence based on Millero (1995), p675 |
|
|
C with additional info from CO2sys documentation (E. Lewis and |
|
|
C D. Wallace, 1998 - see endnotes for commentary on Millero, 95) |
|
|
bigR = 83.145 |
|
|
dv = -29.48 + 0.1622*t + 2.608d-3*t*t |
|
|
dk = -2.84d-3 |
|
|
pfactor = - (dv/(bigR*tk))*pressc |
|
|
& + (0.5*dk/(bigR*tk))*pressc*pressc |
|
|
akb(i,j,bi,bj) = akb(i,j,bi,bj)*exp(pfactor) |
|
|
C------------------------------------------------------------------------ |
|
|
C k1p = [H][H2PO4]/[H3PO4] |
|
|
C DOE(1994) eq 7.2.20 with footnote using data from Millero (1974) |
|
|
ak1p(i,j,bi,bj) = exp(-4576.752*invtk + 115.525 - |
|
|
& 18.453*dlogtk + |
|
|
& (-106.736*invtk + 0.69171)*sqrts + |
|
|
& (-0.65643*invtk - 0.01844)*s) |
|
|
C------------------------------------------------------------------------ |
|
|
C k2p = [H][HPO4]/[H2PO4] |
|
|
C DOE(1994) eq 7.2.23 with footnote using data from Millero (1974)) |
|
|
ak2p(i,j,bi,bj) = exp(-8814.715*invtk + 172.0883 - |
|
|
& 27.927*dlogtk + |
|
|
& (-160.340*invtk + 1.3566) * sqrts + |
|
|
& (0.37335*invtk - 0.05778) * s) |
|
|
C------------------------------------------------------------------------ |
|
|
C k3p = [H][PO4]/[HPO4] |
|
|
C DOE(1994) eq 7.2.26 with footnote using data from Millero (1974) |
|
|
ak3p(i,j,bi,bj) = exp(-3070.75*invtk - 18.141 + |
|
|
& (17.27039*invtk + 2.81197) * |
|
|
& sqrts + (-44.99486*invtk - 0.09984) * s) |
|
|
C------------------------------------------------------------------------ |
|
|
C ksi = [H][SiO(OH)3]/[Si(OH)4] |
|
|
C Millero p.671 (1995) using data from Yao and Millero (1995) |
|
|
aksi(i,j,bi,bj) = exp(-8904.2*invtk + 117.385 - |
|
|
& 19.334*dlogtk + |
|
|
& (-458.79*invtk + 3.5913) * sqrtis + |
|
|
& (188.74*invtk - 1.5998) * is + |
|
|
& (-12.1652*invtk + 0.07871) * is2 + |
|
|
& log(1.0-0.001005*s)) |
|
|
C------------------------------------------------------------------------ |
|
|
C kw = [H][OH] |
|
|
C Millero p.670 (1995) using composite data |
|
|
akw(i,j,bi,bj) = exp(-13847.26*invtk + 148.9652 - |
|
|
& 23.6521*dlogtk + |
|
|
& (118.67*invtk - 5.977 + 1.0495 * dlogtk) * |
|
|
& sqrts - 0.01615 * s) |
|
|
C------------------------------------------------------------------------ |
|
|
C ks = [H][SO4]/[HSO4] |
|
|
C dickson (1990, J. chem. Thermodynamics 22, 113) |
|
|
aks(i,j,bi,bj)=exp(-4276.1*invtk + 141.328 - |
|
|
& 23.093*dlogtk + |
|
|
& (-13856*invtk + 324.57 - 47.986*dlogtk)*sqrtis + |
|
|
& (35474*invtk - 771.54 + 114.723*dlogtk)*is - |
|
|
& 2698*invtk*is**1.5 + 1776*invtk*is2 + |
|
|
& log(1.0 - 0.001005*s)) |
|
|
C------------------------------------------------------------------------ |
|
|
C kf = [H][F]/[HF] |
|
|
C dickson and Riley (1979) -- change pH scale to total |
|
|
akf(i,j,bi,bj)=exp(1590.2*invtk - 12.641 + 1.525*sqrtis + |
|
|
& log(1.0 - 0.001005*s) + |
|
|
& log(1.0 + (0.1400/96.062)*(scl)/aks(i,j,bi,bj))) |
|
|
C------------------------------------------------------------------------ |
|
|
C Calculate concentrations for borate, sulfate, and fluoride |
|
|
C Uppstrom (1974) |
|
|
bt(i,j,bi,bj) = 0.000232 * scl/10.811 |
|
|
C Morris & Riley (1966) |
|
|
st(i,j,bi,bj) = 0.14 * scl/96.062 |
|
|
C Riley (1965) |
|
|
ft(i,j,bi,bj) = 0.000067 * scl/18.9984 |
|
|
C------------------------------------------------------------------------ |
|
| 923 |
C solubility product for calcite |
C solubility product for calcite |
| 924 |
C |
C |
| 925 |
c Following Takahashi (1982) GEOSECS handbook |
c Following Takahashi (1982) GEOSECS handbook |
| 963 |
|
|
| 964 |
Ksp_TP_Calc(i,j,bi,bj) = Ksp_T_Calc*10**(xvalue) |
Ksp_TP_Calc(i,j,bi,bj) = Ksp_T_Calc*10**(xvalue) |
| 965 |
|
|
|
|
|
|
|
|
|
|
|
| 966 |
C------------------------------------------------------------------------ |
C------------------------------------------------------------------------ |
| 967 |
else |
else |
| 968 |
ff(i,j,bi,bj)=0.d0 |
c add Bennington |
| 969 |
ak0(i,j,bi,bj)= 0.d0 |
fugf(i,j,bi,bj)=0. _d 0 |
| 970 |
ak1(i,j,bi,bj)= 0.d0 |
ff(i,j,bi,bj)=0. _d 0 |
| 971 |
ak2(i,j,bi,bj)= 0.d0 |
ak0(i,j,bi,bj)= 0. _d 0 |
| 972 |
akb(i,j,bi,bj)= 0.d0 |
ak1(i,j,bi,bj)= 0. _d 0 |
| 973 |
ak1p(i,j,bi,bj) = 0.d0 |
ak2(i,j,bi,bj)= 0. _d 0 |
| 974 |
ak2p(i,j,bi,bj) = 0.d0 |
akb(i,j,bi,bj)= 0. _d 0 |
| 975 |
ak3p(i,j,bi,bj) = 0.d0 |
ak1p(i,j,bi,bj) = 0. _d 0 |
| 976 |
aksi(i,j,bi,bj) = 0.d0 |
ak2p(i,j,bi,bj) = 0. _d 0 |
| 977 |
akw(i,j,bi,bj) = 0.d0 |
ak3p(i,j,bi,bj) = 0. _d 0 |
| 978 |
aks(i,j,bi,bj)= 0.d0 |
aksi(i,j,bi,bj) = 0. _d 0 |
| 979 |
akf(i,j,bi,bj)= 0.d0 |
akw(i,j,bi,bj) = 0. _d 0 |
| 980 |
bt(i,j,bi,bj) = 0.d0 |
aks(i,j,bi,bj)= 0. _d 0 |
| 981 |
st(i,j,bi,bj) = 0.d0 |
akf(i,j,bi,bj)= 0. _d 0 |
| 982 |
ft(i,j,bi,bj) = 0.d0 |
bt(i,j,bi,bj) = 0. _d 0 |
| 983 |
|
st(i,j,bi,bj) = 0. _d 0 |
| 984 |
|
ft(i,j,bi,bj) = 0. _d 0 |
| 985 |
Ksp_TP_Calc(i,j,bi,bj) = 0.d0 |
Ksp_TP_Calc(i,j,bi,bj) = 0.d0 |
| 986 |
endif |
endif |
| 987 |
end do |
end do |