| 1 |
mlosch |
1.9 |
C $Header: /u/gcmpack/MITgcm/model/src/find_alpha.F,v 1.8 2002/08/19 14:21:30 mlosch Exp $ |
| 2 |
cnh |
1.5 |
C $Name: $ |
| 3 |
adcroft |
1.1 |
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| 4 |
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#include "CPP_OPTIONS.h" |
| 5 |
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#define USE_FACTORIZED_POLY |
| 6 |
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| 7 |
cnh |
1.5 |
CBOP |
| 8 |
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C !ROUTINE: FIND_ALPHA |
| 9 |
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C !INTERFACE: |
| 10 |
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SUBROUTINE FIND_ALPHA ( |
| 11 |
adcroft |
1.1 |
I bi, bj, iMin, iMax, jMin, jMax, k, kRef, eqn, |
| 12 |
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O alphaloc ) |
| 13 |
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| 14 |
cnh |
1.5 |
C !DESCRIPTION: \bv |
| 15 |
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C *==========================================================* |
| 16 |
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C | o SUBROUTINE FIND_ALPHA |
| 17 |
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C | Calculates [drho(S,T,z) / dT] of a horizontal slice |
| 18 |
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C *==========================================================* |
| 19 |
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C | |
| 20 |
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C | k - is the Theta/Salt level |
| 21 |
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C | kRef - determines pressure reference level |
| 22 |
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C | (not used in 'LINEAR' mode) |
| 23 |
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C | eqn - determines the eqn. of state: 'LINEAR' or 'POLY3' |
| 24 |
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C | |
| 25 |
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C | alphaloc - drho / dT (kg/m^3/C) |
| 26 |
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C | |
| 27 |
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C *==========================================================* |
| 28 |
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C \ev |
| 29 |
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| 30 |
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C !USES: |
| 31 |
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IMPLICIT NONE |
| 32 |
adcroft |
1.1 |
c Common |
| 33 |
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#include "SIZE.h" |
| 34 |
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#include "DYNVARS.h" |
| 35 |
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#include "EEPARAMS.h" |
| 36 |
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#include "PARAMS.h" |
| 37 |
mlosch |
1.6 |
#include "EOS.h" |
| 38 |
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#include "GRID.h" |
| 39 |
adcroft |
1.1 |
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| 40 |
cnh |
1.5 |
C !INPUT/OUTPUT PARAMETERS: |
| 41 |
adcroft |
1.1 |
c Arguments |
| 42 |
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integer bi,bj,iMin,iMax,jMin,jMax |
| 43 |
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integer k ! Level of Theta/Salt slice |
| 44 |
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integer kRef ! Pressure reference level |
| 45 |
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character*(*) eqn |
| 46 |
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_RL alphaloc(1-Olx:sNx+Olx,1-Oly:sNy+Oly) |
| 47 |
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| 48 |
cnh |
1.5 |
C !LOCAL VARIABLES: |
| 49 |
adcroft |
1.1 |
c Local |
| 50 |
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integer i,j |
| 51 |
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_RL refTemp,refSalt,tP,sP |
| 52 |
mlosch |
1.9 |
_RL t1, t2, t3, s1, s3o2, p1, p2, sp5, p1t1 |
| 53 |
mlosch |
1.6 |
_RL drhoP0dtheta, drhoP0dthetaFresh, drhoP0dthetaSalt |
| 54 |
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_RL dKdtheta, dKdthetaFresh, dKdthetaSalt, dKdthetaPres |
| 55 |
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_RL rhoP0(1-Olx:sNx+Olx,1-Oly:sNy+Oly) |
| 56 |
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_RL bulkMod(1-Olx:sNx+Olx,1-Oly:sNy+Oly) |
| 57 |
mlosch |
1.9 |
_RL dnum_dtheta, dden_dtheta |
| 58 |
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_RL rhoDen(1-Olx:sNx+Olx,1-Oly:sNy+Oly) |
| 59 |
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_RL rhoLoc(1-Olx:sNx+Olx,1-Oly:sNy+Oly) |
| 60 |
mlosch |
1.6 |
integer myThid |
| 61 |
cnh |
1.5 |
CEOP |
| 62 |
adcroft |
1.1 |
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| 63 |
mlosch |
1.6 |
Cml stop 'myThid is not properly defined in this subroutine' |
| 64 |
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| 65 |
mlosch |
1.9 |
if (equationOfState.eq.'LINEAR') then |
| 66 |
adcroft |
1.1 |
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| 67 |
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do j=jMin,jMax |
| 68 |
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do i=iMin,iMax |
| 69 |
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alphaloc(i,j) = -rhonil * tAlpha |
| 70 |
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enddo |
| 71 |
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enddo |
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mlosch |
1.9 |
elseif (equationOfState.eq.'POLY3') then |
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adcroft |
1.1 |
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refTemp=eosRefT(kRef) |
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refSalt=eosRefS(kRef) |
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do j=jMin,jMax |
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do i=iMin,iMax |
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tP=theta(i,j,k,bi,bj)-refTemp |
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sP=salt(i,j,k,bi,bj)-refSalt |
| 82 |
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#ifdef USE_FACTORIZED_POLY |
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alphaloc(i,j) = |
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& ( eosC(6,kRef) |
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& *tP*3. |
| 86 |
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& +(eosC(7,kRef)*sP + eosC(3,kRef))*2. |
| 87 |
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& )*tP |
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& +(eosC(8,kRef)*sP + eosC(4,kRef) )*sP + eosC(1,kRef) |
| 89 |
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& |
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#else |
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alphaloc(i,j) = |
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& eosC(1,kRef) + |
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& eosC(3,kRef)*tP*2. + |
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& eosC(4,kRef) *sP + |
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& eosC(6,kRef)*tP*tP*3. + |
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& eosC(7,kRef)*tP*2. *sP + |
| 97 |
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& eosC(8,kRef) *sP*sP |
| 98 |
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#endif |
| 99 |
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enddo |
| 100 |
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enddo |
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| 102 |
mlosch |
1.9 |
elseif ( equationOfState(1:5).eq.'JMD95' |
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& .or. equationOfState.eq.'UNESCO' ) then |
| 104 |
mlosch |
1.6 |
C nonlinear equation of state in pressure coordinates |
| 105 |
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CALL FIND_RHOP0( |
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I bi, bj, iMin, iMax, jMin, jMax, k, |
| 108 |
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I theta, salt, |
| 109 |
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O rhoP0, |
| 110 |
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I myThid ) |
| 111 |
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| 112 |
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CALL FIND_BULKMOD( |
| 113 |
adcroft |
1.7 |
I bi, bj, iMin, iMax, jMin, jMax, k, kRef, |
| 114 |
mlosch |
1.6 |
I theta, salt, |
| 115 |
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O bulkMod, |
| 116 |
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I myThid ) |
| 117 |
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| 118 |
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do j=jMin,jMax |
| 119 |
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do i=iMin,iMax |
| 120 |
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| 121 |
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C abbreviations |
| 122 |
mlosch |
1.9 |
t1 = theta(i,j,k,bi,bj) |
| 123 |
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t2 = t1*t1 |
| 124 |
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t3 = t2*t1 |
| 125 |
mlosch |
1.6 |
|
| 126 |
mlosch |
1.9 |
s1 = salt(i,j,k,bi,bj) |
| 127 |
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if ( s1 .lt. 0. _d 0 ) then |
| 128 |
mlosch |
1.6 |
C issue a warning |
| 129 |
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write(*,'(a,i3,a,i3,a,i3,a,e13.5)') |
| 130 |
mlosch |
1.9 |
& ' FIND_ALPHA: WARNING, salinity(', |
| 131 |
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& i,',',j,',',k,',',bi,',',bj,') = ', s1 |
| 132 |
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s1 = 0. _d 0 |
| 133 |
mlosch |
1.6 |
end if |
| 134 |
mlosch |
1.9 |
s3o2 = sqrt(s1*s1*s1) |
| 135 |
mlosch |
1.6 |
|
| 136 |
mlosch |
1.9 |
p1 = pressure(i,j,kRef,bi,bj)*SItoBar |
| 137 |
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p2 = p1*p1 |
| 138 |
mlosch |
1.6 |
|
| 139 |
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C d(rho)/d(theta) |
| 140 |
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C of fresh water at p = 0 |
| 141 |
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drhoP0dthetaFresh = |
| 142 |
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& eosJMDCFw(2) |
| 143 |
mlosch |
1.9 |
& + 2.*eosJMDCFw(3)*t1 |
| 144 |
mlosch |
1.6 |
& + 3.*eosJMDCFw(4)*t2 |
| 145 |
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& + 4.*eosJMDCFw(5)*t3 |
| 146 |
mlosch |
1.9 |
& + 5.*eosJMDCFw(6)*t3*t1 |
| 147 |
mlosch |
1.6 |
C of salt water at p = 0 |
| 148 |
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drhoP0dthetaSalt = |
| 149 |
mlosch |
1.9 |
& s1*( |
| 150 |
mlosch |
1.6 |
& eosJMDCSw(2) |
| 151 |
mlosch |
1.9 |
& + 2.*eosJMDCSw(3)*t1 |
| 152 |
mlosch |
1.6 |
& + 3.*eosJMDCSw(4)*t2 |
| 153 |
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& + 4.*eosJMDCSw(5)*t3 |
| 154 |
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& ) |
| 155 |
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& + s3o2*( |
| 156 |
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& + eosJMDCSw(7) |
| 157 |
mlosch |
1.9 |
& + 2.*eosJMDCSw(8)*t1 |
| 158 |
mlosch |
1.6 |
& ) |
| 159 |
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C d(bulk modulus)/d(theta) |
| 160 |
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C of fresh water at p = 0 |
| 161 |
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dKdthetaFresh = |
| 162 |
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& eosJMDCKFw(2) |
| 163 |
mlosch |
1.9 |
& + 2.*eosJMDCKFw(3)*t1 |
| 164 |
mlosch |
1.6 |
& + 3.*eosJMDCKFw(4)*t2 |
| 165 |
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& + 4.*eosJMDCKFw(5)*t3 |
| 166 |
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C of sea water at p = 0 |
| 167 |
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dKdthetaSalt = |
| 168 |
mlosch |
1.9 |
& s1*( eosJMDCKSw(2) |
| 169 |
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& + 2.*eosJMDCKSw(3)*t1 |
| 170 |
mlosch |
1.6 |
& + 3.*eosJMDCKSw(4)*t2 |
| 171 |
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& ) |
| 172 |
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& + s3o2*( eosJMDCKSw(6) |
| 173 |
mlosch |
1.9 |
& + 2.*eosJMDCKSw(7)*t1 |
| 174 |
mlosch |
1.6 |
& ) |
| 175 |
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C of sea water at p |
| 176 |
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dKdthetaPres = |
| 177 |
mlosch |
1.9 |
& p1*( eosJMDCKP(2) |
| 178 |
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& + 2.*eosJMDCKP(3)*t1 |
| 179 |
mlosch |
1.6 |
& + 3.*eosJMDCKP(4)*t2 |
| 180 |
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& ) |
| 181 |
mlosch |
1.9 |
& + p1*s1*( eosJMDCKP(6) |
| 182 |
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& + 2.*eosJMDCKP(7)*t1 |
| 183 |
mlosch |
1.6 |
& ) |
| 184 |
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& + p2*( eosJMDCKP(10) |
| 185 |
mlosch |
1.9 |
& + 2.*eosJMDCKP(11)*t1 |
| 186 |
mlosch |
1.6 |
& ) |
| 187 |
mlosch |
1.9 |
& + p2*s1*( eosJMDCKP(13) |
| 188 |
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& + 2.*eosJMDCKP(14)*t1 |
| 189 |
mlosch |
1.6 |
& ) |
| 190 |
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| 191 |
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drhoP0dtheta = drhoP0dthetaFresh |
| 192 |
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& + drhoP0dthetaSalt |
| 193 |
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dKdtheta = dKdthetaFresh |
| 194 |
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& + dKdthetaSalt |
| 195 |
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& + dKdthetaPres |
| 196 |
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alphaloc(i,j) = |
| 197 |
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& ( bulkmod(i,j)**2*drhoP0dtheta |
| 198 |
mlosch |
1.9 |
& - bulkmod(i,j)*p1*drhoP0dtheta |
| 199 |
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& - rhoP0(i,j)*p1*dKdtheta ) |
| 200 |
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& /( bulkmod(i,j) - p1 )**2 |
| 201 |
mlosch |
1.6 |
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| 202 |
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| 203 |
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end do |
| 204 |
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end do |
| 205 |
mlosch |
1.9 |
elseif ( equationOfState.eq.'MDJWF' ) then |
| 206 |
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| 207 |
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CALL FIND_RHO( bi, bj, iMin, iMax, jMin, jMax, k, kRef, |
| 208 |
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& eqn, theta, salt, rhoLoc, myThid ) |
| 209 |
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CALL FIND_RHODEN( bi, bj, iMin, iMax, jMin, jMax, k, kRef, |
| 210 |
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& theta, salt, rhoDen, myThid ) |
| 211 |
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| 212 |
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do j=jMin,jMax |
| 213 |
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do i=iMin,iMax |
| 214 |
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t1 = theta(i,j,k,bi,bj) |
| 215 |
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t2 = t1*t1 |
| 216 |
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s1 = salt(i,j,k,bi,bj) |
| 217 |
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if ( s1 .lt. 0. _d 0 ) then |
| 218 |
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C issue a warning |
| 219 |
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write(*,'(a,i3,a,i3,a,i3,a,e13.5)') |
| 220 |
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& ' FIND_ALPHA: WARNING, salinity(', |
| 221 |
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& i,',',j,',',k,',',bi,',',bj,') = ', s1 |
| 222 |
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s1 = 0. _d 0 |
| 223 |
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end if |
| 224 |
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sp5 = sqrt(s1) |
| 225 |
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| 226 |
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p1 = pressure(i,j,kRef,bi,bj)*SItodBar |
| 227 |
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p1t1 = p1*t1 |
| 228 |
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| 229 |
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dnum_dtheta = eosMDJWFnum(1) |
| 230 |
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& + t1*(2.*eosMDJWFnum(2) + 3.*eosMDJWFnum(3)*t1) |
| 231 |
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& + eosMDJWFnum(5)*s1 |
| 232 |
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& + p1t1*(2.*eosMDJWFnum(8) + 2.*eosMDJWFnum(11)*p1) |
| 233 |
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| 234 |
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dden_dtheta = eosMDJWFden(1) |
| 235 |
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& + t1*(2.*eosMDJWFden(2) |
| 236 |
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& + t1*(3.*eosMDJWFden(3) |
| 237 |
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& + 4.*eosMDJWFden(4)*t1 ) ) |
| 238 |
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& + s1*(eosMDJWFden(6) |
| 239 |
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& + t1*(3.*eosMDJWFden(7)*t1 |
| 240 |
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& + 2.*eosMDJWFden(9)*sp5 ) ) |
| 241 |
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& + p1*p1*(3.*eosMDJWFden(11)*t2 + eosMDJWFden(12)*p1) |
| 242 |
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| 243 |
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alphaLoc(i,j) = rhoDen(i,j)*(dnum_dtheta |
| 244 |
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& - rhoLoc(i,j)*dden_dtheta) |
| 245 |
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| 246 |
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end do |
| 247 |
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end do |
| 248 |
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| 249 |
adcroft |
1.1 |
else |
| 250 |
mlosch |
1.9 |
write(*,*) 'FIND_ALPHA: equationOfState = ',equationOfState |
| 251 |
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stop 'FIND_ALPHA: "equationOfState" has illegal value' |
| 252 |
adcroft |
1.1 |
endif |
| 253 |
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| 254 |
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return |
| 255 |
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end |
| 256 |
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| 257 |
|
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subroutine FIND_BETA ( |
| 258 |
|
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I bi, bj, iMin, iMax, jMin, jMax, k, kRef, eqn, |
| 259 |
|
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O betaloc ) |
| 260 |
|
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C /==========================================================\ |
| 261 |
|
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C | o SUBROUTINE FIND_BETA | |
| 262 |
|
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C | Calculates [drho(S,T,z) / dS] of a horizontal slice | |
| 263 |
|
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C |==========================================================| |
| 264 |
|
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C | | |
| 265 |
|
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C | k - is the Theta/Salt level | |
| 266 |
|
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C | kRef - determines pressure reference level | |
| 267 |
|
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C | (not used in 'LINEAR' mode) | |
| 268 |
|
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C | eqn - determines the eqn. of state: 'LINEAR' or 'POLY3' | |
| 269 |
|
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C | | |
| 270 |
|
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C | betaloc - drho / dS (kg/m^3/PSU) | |
| 271 |
|
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C | | |
| 272 |
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C \==========================================================/ |
| 273 |
|
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implicit none |
| 274 |
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|
| 275 |
|
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c Common |
| 276 |
|
|
#include "SIZE.h" |
| 277 |
|
|
#include "DYNVARS.h" |
| 278 |
|
|
#include "EEPARAMS.h" |
| 279 |
|
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#include "PARAMS.h" |
| 280 |
mlosch |
1.6 |
#include "EOS.h" |
| 281 |
|
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#include "GRID.h" |
| 282 |
adcroft |
1.1 |
|
| 283 |
|
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c Arguments |
| 284 |
|
|
integer bi,bj,iMin,iMax,jMin,jMax |
| 285 |
|
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integer k ! Level of Theta/Salt slice |
| 286 |
|
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integer kRef ! Pressure reference level |
| 287 |
|
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character*(*) eqn |
| 288 |
|
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_RL betaloc(1-Olx:sNx+Olx,1-Oly:sNy+Oly) |
| 289 |
|
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|
| 290 |
|
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c Local |
| 291 |
|
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integer i,j |
| 292 |
|
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_RL refTemp,refSalt,tP,sP |
| 293 |
mlosch |
1.9 |
_RL t1, t2, t3, s1, s3o2, p1, sp5, p1t1 |
| 294 |
mlosch |
1.6 |
_RL drhoP0dS |
| 295 |
|
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_RL dKdS, dKdSSalt, dKdSPres |
| 296 |
|
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_RL rhoP0(1-Olx:sNx+Olx,1-Oly:sNy+Oly) |
| 297 |
|
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_RL bulkMod(1-Olx:sNx+Olx,1-Oly:sNy+Oly) |
| 298 |
mlosch |
1.9 |
_RL dnum_dsalt, dden_dsalt |
| 299 |
|
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_RL rhoDen(1-Olx:sNx+Olx,1-Oly:sNy+Oly) |
| 300 |
|
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_RL rhoLoc(1-Olx:sNx+Olx,1-Oly:sNy+Oly) |
| 301 |
mlosch |
1.6 |
integer myThid |
| 302 |
|
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CEOP |
| 303 |
|
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|
| 304 |
|
|
Cml stop 'myThid is not properly defined in this subroutine' |
| 305 |
adcroft |
1.1 |
|
| 306 |
mlosch |
1.9 |
if (equationOfState.eq.'LINEAR') then |
| 307 |
adcroft |
1.1 |
|
| 308 |
|
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do j=jMin,jMax |
| 309 |
|
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do i=iMin,iMax |
| 310 |
|
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betaloc(i,j) = rhonil * sBeta |
| 311 |
|
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enddo |
| 312 |
|
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enddo |
| 313 |
|
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|
| 314 |
mlosch |
1.9 |
elseif (equationOfState.eq.'POLY3') then |
| 315 |
adcroft |
1.1 |
|
| 316 |
|
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refTemp=eosRefT(kRef) |
| 317 |
|
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refSalt=eosRefS(kRef) |
| 318 |
|
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| 319 |
|
|
do j=jMin,jMax |
| 320 |
|
|
do i=iMin,iMax |
| 321 |
|
|
tP=theta(i,j,k,bi,bj)-refTemp |
| 322 |
|
|
sP=salt(i,j,k,bi,bj)-refSalt |
| 323 |
|
|
#ifdef USE_FACTORIZED_POLY |
| 324 |
|
|
betaloc(i,j) = |
| 325 |
|
|
& ( eosC(9,kRef)*sP*3. + eosC(5,kRef)*2. )*sP + eosC(2,kRef) |
| 326 |
|
|
& + ( eosC(7,kRef)*tP |
| 327 |
|
|
& +eosC(8,kRef)*sP*2. + eosC(4,kRef) |
| 328 |
|
|
& )*tP |
| 329 |
|
|
#else |
| 330 |
|
|
betaloc(i,j) = |
| 331 |
|
|
& eosC(2,kRef) + |
| 332 |
|
|
& eosC(4,kRef)*tP + |
| 333 |
|
|
& eosC(5,kRef) *sP*2. + |
| 334 |
|
|
& eosC(7,kRef)*tP*tP + |
| 335 |
|
|
& eosC(8,kRef)*tP *sP*2. + |
| 336 |
|
|
& eosC(9,kRef) *sP*sP*3. |
| 337 |
|
|
#endif |
| 338 |
|
|
enddo |
| 339 |
|
|
enddo |
| 340 |
|
|
|
| 341 |
mlosch |
1.9 |
elseif ( equationOfState(1:5).eq.'JMD95' |
| 342 |
|
|
& .or. equationOfState.eq.'UNESCO' ) then |
| 343 |
mlosch |
1.6 |
C nonlinear equation of state in pressure coordinates |
| 344 |
|
|
|
| 345 |
|
|
CALL FIND_RHOP0( |
| 346 |
|
|
I bi, bj, iMin, iMax, jMin, jMax, k, |
| 347 |
|
|
I theta, salt, |
| 348 |
|
|
O rhoP0, |
| 349 |
|
|
I myThid ) |
| 350 |
|
|
|
| 351 |
|
|
CALL FIND_BULKMOD( |
| 352 |
adcroft |
1.7 |
I bi, bj, iMin, iMax, jMin, jMax, k, kRef, |
| 353 |
mlosch |
1.6 |
I theta, salt, |
| 354 |
|
|
O bulkMod, |
| 355 |
|
|
I myThid ) |
| 356 |
|
|
|
| 357 |
|
|
do j=jMin,jMax |
| 358 |
|
|
do i=iMin,iMax |
| 359 |
|
|
|
| 360 |
|
|
C abbreviations |
| 361 |
mlosch |
1.9 |
t1 = theta(i,j,k,bi,bj) |
| 362 |
|
|
t2 = t1*t1 |
| 363 |
|
|
t3 = t2*t1 |
| 364 |
mlosch |
1.6 |
|
| 365 |
mlosch |
1.9 |
s1 = salt(i,j,k,bi,bj) |
| 366 |
|
|
if ( s1 .lt. 0. _d 0 ) then |
| 367 |
mlosch |
1.6 |
C issue a warning |
| 368 |
|
|
write(*,'(a,i3,a,i3,a,i3,a,e13.5)') |
| 369 |
mlosch |
1.9 |
& ' FIND_BETA: WARNING, salinity(', |
| 370 |
|
|
& i,',',j,',',k,',',bi,',',bj,') = ', s1 |
| 371 |
|
|
s1 = 0. _d 0 |
| 372 |
mlosch |
1.6 |
end if |
| 373 |
mlosch |
1.9 |
s3o2 = 1.5*sqrt(s1) |
| 374 |
mlosch |
1.6 |
|
| 375 |
mlosch |
1.9 |
p1 = pressure(i,j,kRef,bi,bj)*SItoBar |
| 376 |
mlosch |
1.6 |
|
| 377 |
|
|
C d(rho)/d(S) |
| 378 |
|
|
C of fresh water at p = 0 |
| 379 |
|
|
drhoP0dS = 0. _d 0 |
| 380 |
|
|
C of salt water at p = 0 |
| 381 |
|
|
drhoP0dS = drhoP0dS |
| 382 |
|
|
& + eosJMDCSw(1) |
| 383 |
mlosch |
1.9 |
& + eosJMDCSw(2)*t1 |
| 384 |
mlosch |
1.6 |
& + eosJMDCSw(3)*t2 |
| 385 |
|
|
& + eosJMDCSw(4)*t3 |
| 386 |
mlosch |
1.9 |
& + eosJMDCSw(5)*t3*t1 |
| 387 |
mlosch |
1.6 |
& + s3o2*( |
| 388 |
|
|
& eosJMDCSw(6) |
| 389 |
mlosch |
1.9 |
& + eosJMDCSw(7)*t1 |
| 390 |
mlosch |
1.6 |
& + eosJMDCSw(8)*t2 |
| 391 |
|
|
& ) |
| 392 |
mlosch |
1.9 |
& + 2*eosJMDCSw(9)*s1 |
| 393 |
mlosch |
1.6 |
C d(bulk modulus)/d(S) |
| 394 |
|
|
C of fresh water at p = 0 |
| 395 |
|
|
dKdS = 0. _d 0 |
| 396 |
|
|
C of sea water at p = 0 |
| 397 |
|
|
dKdSSalt = |
| 398 |
|
|
& eosJMDCKSw(1) |
| 399 |
mlosch |
1.9 |
& + eosJMDCKSw(2)*t1 |
| 400 |
mlosch |
1.6 |
& + eosJMDCKSw(3)*t2 |
| 401 |
|
|
& + eosJMDCKSw(4)*t3 |
| 402 |
|
|
& + s3o2*( eosJMDCKSw(5) |
| 403 |
mlosch |
1.9 |
& + eosJMDCKSw(6)*t1 |
| 404 |
mlosch |
1.6 |
& + eosJMDCKSw(7)*t2 |
| 405 |
|
|
& ) |
| 406 |
|
|
|
| 407 |
|
|
C of sea water at p |
| 408 |
|
|
dKdSPres = |
| 409 |
mlosch |
1.9 |
& p1*( eosJMDCKP(5) |
| 410 |
|
|
& + eosJMDCKP(6)*t1 |
| 411 |
mlosch |
1.6 |
& + eosJMDCKP(7)*t2 |
| 412 |
|
|
& ) |
| 413 |
mlosch |
1.9 |
& + s3o2*p1*eosJMDCKP(8) |
| 414 |
|
|
& + p1*p1*( eosJMDCKP(12) |
| 415 |
|
|
& + eosJMDCKP(13)*t1 |
| 416 |
mlosch |
1.6 |
& + eosJMDCKP(14)*t2 |
| 417 |
|
|
& ) |
| 418 |
|
|
|
| 419 |
|
|
dKdS = dKdSSalt + dKdSPres |
| 420 |
|
|
|
| 421 |
|
|
betaloc(i,j) = |
| 422 |
|
|
& ( bulkmod(i,j)**2*drhoP0dS |
| 423 |
mlosch |
1.9 |
& - bulkmod(i,j)*p1*drhoP0dS |
| 424 |
|
|
& - rhoP0(i,j)*p1*dKdS ) |
| 425 |
|
|
& /( bulkmod(i,j) - p1 )**2 |
| 426 |
mlosch |
1.6 |
|
| 427 |
|
|
|
| 428 |
|
|
end do |
| 429 |
|
|
end do |
| 430 |
mlosch |
1.9 |
elseif ( equationOfState.eq.'MDJWF' ) then |
| 431 |
|
|
|
| 432 |
|
|
CALL FIND_RHO( bi, bj, iMin, iMax, jMin, jMax, k, kRef, |
| 433 |
|
|
& eqn, theta, salt, rhoLoc, myThid ) |
| 434 |
|
|
CALL FIND_RHODEN( bi, bj, iMin, iMax, jMin, jMax, k, kRef, |
| 435 |
|
|
& theta, salt, rhoDen, myThid ) |
| 436 |
|
|
|
| 437 |
|
|
do j=jMin,jMax |
| 438 |
|
|
do i=iMin,iMax |
| 439 |
|
|
t1 = theta(i,j,k,bi,bj) |
| 440 |
|
|
t2 = t1*t1 |
| 441 |
|
|
s1 = salt(i,j,k,bi,bj) |
| 442 |
|
|
if ( s1 .lt. 0. _d 0 ) then |
| 443 |
|
|
C issue a warning |
| 444 |
|
|
write(*,'(a,i3,a,i3,a,i3,a,e13.5)') |
| 445 |
|
|
& ' FIND_BETA: WARNING, salinity(', |
| 446 |
|
|
& i,',',j,',',k,',',bi,',',bj,') = ', s1 |
| 447 |
|
|
s1 = 0. _d 0 |
| 448 |
|
|
end if |
| 449 |
|
|
sp5 = sqrt(s1) |
| 450 |
|
|
|
| 451 |
|
|
p1 = pressure(i,j,k,bi,bj)*SItodBar |
| 452 |
|
|
p1t1 = p1*t1 |
| 453 |
|
|
|
| 454 |
|
|
dnum_dsalt = eosMDJWFnum(4) |
| 455 |
|
|
& + eosMDJWFnum(5)*t1 |
| 456 |
|
|
& + 2.*eosMDJWFnum(6)*s1 + eosMDJWFnum(9)*p1 |
| 457 |
|
|
dden_dsalt = eosMDJWFden(5) |
| 458 |
|
|
& + t1*( eosMDJWFden(6) + eosMDJWFden(7)*t2 ) |
| 459 |
|
|
& + 1.5*sp5*(eosMDJWFden(8) + eosMDJWFden(9)*t2) |
| 460 |
|
|
|
| 461 |
|
|
betaLoc(i,j) = rhoDen(i,j)*( dnum_dsalt |
| 462 |
|
|
& - rhoLoc(i,j)*dden_dsalt ) |
| 463 |
|
|
|
| 464 |
|
|
end do |
| 465 |
|
|
end do |
| 466 |
|
|
|
| 467 |
adcroft |
1.1 |
else |
| 468 |
mlosch |
1.9 |
write(*,*) 'FIND_BETA: equationOfState = ',equationOfState |
| 469 |
|
|
stop 'FIND_BETA: "equationOfState" has illegal value' |
| 470 |
adcroft |
1.1 |
endif |
| 471 |
|
|
|
| 472 |
|
|
return |
| 473 |
|
|
end |
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