| 1 |
C $Header: /u/gcmpack/MITgcm/model/src/ini_eos.F,v 1.2 2002/08/19 14:21:30 mlosch Exp $ |
| 2 |
C $Name: $ |
| 3 |
|
| 4 |
#include "CPP_OPTIONS.h" |
| 5 |
|
| 6 |
CBOP |
| 7 |
C !ROUTINE: INI_EOS |
| 8 |
C !INTERFACE: |
| 9 |
subroutine ini_eos( myThid ) |
| 10 |
C !DESCRIPTION: \bv |
| 11 |
C *==========================================================* |
| 12 |
C | SUBROUTINE INI_EOS |
| 13 |
C | o Initialise coefficients of equation of state. |
| 14 |
C *==========================================================* |
| 15 |
C \ev |
| 16 |
|
| 17 |
C !USES: |
| 18 |
|
| 19 |
implicit none |
| 20 |
C == Global variables == |
| 21 |
#include "SIZE.h" |
| 22 |
#include "EEPARAMS.h" |
| 23 |
#include "PARAMS.h" |
| 24 |
#include "EOS.h" |
| 25 |
#include "GRID.h" |
| 26 |
|
| 27 |
C !INPUT/OUTPUT PARAMETERS: |
| 28 |
C == Routine arguments == |
| 29 |
C myThid - Number of this instance of INI_CORI |
| 30 |
INTEGER myThid |
| 31 |
|
| 32 |
C !LOCAL VARIABLES: |
| 33 |
C == Local variables == |
| 34 |
C bi,bj - Loop counters |
| 35 |
C I,J,K |
| 36 |
INTEGER bi, bj |
| 37 |
INTEGER I, J, K |
| 38 |
CHARACTER*(MAX_LEN_MBUF) msgBuf |
| 39 |
|
| 40 |
|
| 41 |
equationOfState = eosType |
| 42 |
|
| 43 |
if ( equationOfState .eq. 'LINEAR' ) then |
| 44 |
if ( tAlpha .eq. UNSET_RL ) tAlpha = 2.D-4 |
| 45 |
if ( sBeta .eq. UNSET_RL ) sBeta = 7.4D-4 |
| 46 |
elseif ( equationOfState .eq. 'POLY3' ) then |
| 47 |
OPEN(37,FILE='POLY3.COEFFS',STATUS='OLD',FORM='FORMATTED') |
| 48 |
READ(37,*) I |
| 49 |
IF (I.NE.Nr) THEN |
| 50 |
WRITE(msgBuf,'(A)') |
| 51 |
& 'ini_eos: attempt to read POLY3.COEFFS failed' |
| 52 |
CALL PRINT_ERROR( msgBuf , 1) |
| 53 |
WRITE(msgBuf,'(A)') |
| 54 |
& ' because bad # of levels in data' |
| 55 |
CALL PRINT_ERROR( msgBuf , 1) |
| 56 |
STOP 'Bad data in POLY3.COEFFS' |
| 57 |
ENDIF |
| 58 |
READ(37,*) (eosRefT(K),eosRefS(K),eosSig0(K),K=1,Nr) |
| 59 |
DO K=1,Nr |
| 60 |
READ(37,*) (eosC(I,K),I=1,9) |
| 61 |
ENDDO |
| 62 |
CLOSE(37) |
| 63 |
|
| 64 |
elseif ( equationOfState(1:5) .eq. 'JMD95' |
| 65 |
& .or. equationOfState .eq. 'UNESCO' ) then |
| 66 |
C |
| 67 |
C Jackett & McDougall (1995, JPO) equation of state |
| 68 |
C rho = R(salinity, potential temperature, pressure) |
| 69 |
C pressure needs to be available (from the previous |
| 70 |
C time step to linearize the problem) |
| 71 |
C |
| 72 |
if ( equationOfState .eq. 'JMD95Z' |
| 73 |
& .and. buoyancyRelation .eq. 'OCEANICP' ) then |
| 74 |
write(msgBuf,'(A)') |
| 75 |
& 'ini_eos: equation of state ''JMD95Z'' should not' |
| 76 |
CALL PRINT_ERROR( msgBuf , 1) |
| 77 |
write(msgBuf,'(A)') |
| 78 |
& ' be used together with pressure coordinates.' |
| 79 |
CALL PRINT_ERROR( msgBuf , 1) |
| 80 |
write(msgBuf,'(A)') |
| 81 |
& ' Use only ''JMD95P'' with ''OCEANICP''.' |
| 82 |
CALL PRINT_ERROR( msgBuf , 1) |
| 83 |
STOP 'ABNORMAL END: S/R INI_EOS' |
| 84 |
endif |
| 85 |
C |
| 86 |
if ( buoyancyRelation .eq. 'OCEANIC' ) then |
| 87 |
do bj = myByLo(myThid), myByHi(myThid) |
| 88 |
do bi = myBxLo(myThid), myBxHi(myThid) |
| 89 |
do K=1,Nr |
| 90 |
do J=1-Oly,sNy+Oly |
| 91 |
do I=1-Olx,sNx+Olx |
| 92 |
pressure(i,j,k,bi,bj) = rhonil * ( |
| 93 |
& - gravity*rC(k) |
| 94 |
& ) |
| 95 |
end do |
| 96 |
end do |
| 97 |
end do |
| 98 |
end do |
| 99 |
end do |
| 100 |
elseif ( buoyancyRelation .eq. 'ATMOSPHERIC' |
| 101 |
& .or. buoyancyRelation .eq. 'OCEANICP' ) then |
| 102 |
C in pressure coordinates the pressure is just the coordinate of |
| 103 |
C the tracer point |
| 104 |
do bj = myByLo(myThid), myByHi(myThid) |
| 105 |
do bi = myBxLo(myThid), myBxHi(myThid) |
| 106 |
do K=1,Nr |
| 107 |
do J=1-Oly,sNy+Oly |
| 108 |
do I=1-Olx,sNx+Olx |
| 109 |
pressure(i,j,k,bi,bj) = rC(k) |
| 110 |
end do |
| 111 |
end do |
| 112 |
end do |
| 113 |
end do |
| 114 |
end do |
| 115 |
endif |
| 116 |
|
| 117 |
C coefficients nonlinear equation of state in pressure coordinates for |
| 118 |
C 1. density of fresh water at p = 0 |
| 119 |
eosJMDCFw(1) = 999.842594 |
| 120 |
eosJMDCFw(2) = 6.793952 _d -02 |
| 121 |
eosJMDCFw(3) = - 9.095290 _d -03 |
| 122 |
eosJMDCFw(4) = 1.001685 _d -04 |
| 123 |
eosJMDCFw(5) = - 1.120083 _d -06 |
| 124 |
eosJMDCFw(6) = 6.536332 _d -09 |
| 125 |
C 2. density of sea water at p = 0 |
| 126 |
eosJMDCSw(1) = 8.24493 _d -01 |
| 127 |
eosJMDCSw(2) = - 4.0899 _d -03 |
| 128 |
eosJMDCSw(3) = 7.6438 _d -05 |
| 129 |
eosJMDCSw(4) = - 8.2467 _d -07 |
| 130 |
eosJMDCSw(5) = 5.3875 _d -09 |
| 131 |
eosJMDCSw(6) = - 5.72466 _d -03 |
| 132 |
eosJMDCSw(7) = 1.0227 _d -04 |
| 133 |
eosJMDCSw(8) = - 1.6546 _d -06 |
| 134 |
eosJMDCSw(9) = 4.8314 _d -04 |
| 135 |
if ( equationOfState(1:5) .eq. 'JMD95' ) then |
| 136 |
C 3. secant bulk modulus K of fresh water at p = 0 |
| 137 |
eosJMDCKFw(1) = 1.965933 _d +04 |
| 138 |
eosJMDCKFw(2) = 1.444304 _d +02 |
| 139 |
eosJMDCKFw(3) = - 1.706103 _d +00 |
| 140 |
eosJMDCKFw(4) = 9.648704 _d -03 |
| 141 |
eosJMDCKFw(5) = - 4.190253 _d -05 |
| 142 |
C 4. secant bulk modulus K of sea water at p = 0 |
| 143 |
eosJMDCKSw(1) = 5.284855 _d +01 |
| 144 |
eosJMDCKSw(2) = - 3.101089 _d -01 |
| 145 |
eosJMDCKSw(3) = 6.283263 _d -03 |
| 146 |
eosJMDCKSw(4) = - 5.084188 _d -05 |
| 147 |
eosJMDCKSw(5) = 3.886640 _d -01 |
| 148 |
eosJMDCKSw(6) = 9.085835 _d -03 |
| 149 |
eosJMDCKSw(7) = - 4.619924 _d -04 |
| 150 |
C 5. secant bulk modulus K of sea water at p |
| 151 |
eosJMDCKP( 1) = 3.186519 _d +00 |
| 152 |
eosJMDCKP( 2) = 2.212276 _d -02 |
| 153 |
eosJMDCKP( 3) = - 2.984642 _d -04 |
| 154 |
eosJMDCKP( 4) = 1.956415 _d -06 |
| 155 |
eosJMDCKP( 5) = 6.704388 _d -03 |
| 156 |
eosJMDCKP( 6) = - 1.847318 _d -04 |
| 157 |
eosJMDCKP( 7) = 2.059331 _d -07 |
| 158 |
eosJMDCKP( 8) = 1.480266 _d -04 |
| 159 |
eosJMDCKP( 9) = 2.102898 _d -04 |
| 160 |
eosJMDCKP(10) = - 1.202016 _d -05 |
| 161 |
eosJMDCKP(11) = 1.394680 _d -07 |
| 162 |
eosJMDCKP(12) = - 2.040237 _d -06 |
| 163 |
eosJMDCKP(13) = 6.128773 _d -08 |
| 164 |
eosJMDCKP(14) = 6.207323 _d -10 |
| 165 |
|
| 166 |
elseif ( equationOfState .eq. 'UNESCO' ) then |
| 167 |
|
| 168 |
write(msgBuf,'(a)') |
| 169 |
& 'WARNING WARNING WARNING WARNING WARNING WARNING ' |
| 170 |
CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
| 171 |
& SQUEEZE_RIGHT , 1) |
| 172 |
write(msgBuf,'(a,a)') |
| 173 |
& 'WARNING: using the UNESCO formula with potential ', |
| 174 |
& 'temperature' |
| 175 |
CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
| 176 |
& SQUEEZE_RIGHT , 1) |
| 177 |
write(msgBuf,'(a)') |
| 178 |
& 'WARNING: can result in density errors of up to 5%' |
| 179 |
CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
| 180 |
& SQUEEZE_RIGHT , 1) |
| 181 |
write(msgBuf,'(a)') |
| 182 |
& 'WARNING: (see Jackett and McDougall 1995, JPO)' |
| 183 |
CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
| 184 |
& SQUEEZE_RIGHT , 1) |
| 185 |
write(msgBuf,'(a)') |
| 186 |
& 'WARNING WARNING WARNING WARNING WARNING WARNING ' |
| 187 |
CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
| 188 |
& SQUEEZE_RIGHT , 1) |
| 189 |
|
| 190 |
C 3. secant bulk modulus K of fresh water at p = 0 |
| 191 |
eosJMDCKFw(1) = 1.965221 _d +04 |
| 192 |
eosJMDCKFw(2) = 1.484206 _d +02 |
| 193 |
eosJMDCKFw(3) = - 2.327105 _d +00 |
| 194 |
eosJMDCKFw(4) = 1.360477 _d -02 |
| 195 |
eosJMDCKFw(5) = - 5.155288 _d -05 |
| 196 |
C 4. secant bulk modulus K of sea water at p = 0 |
| 197 |
eosJMDCKSw(1) = 5.46746 _d +01 |
| 198 |
eosJMDCKSw(2) = - 0.603459 _d +00 |
| 199 |
eosJMDCKSw(3) = 1.09987 _d -02 |
| 200 |
eosJMDCKSw(4) = - 6.1670 _d -05 |
| 201 |
eosJMDCKSw(5) = 7.944 _d -02 |
| 202 |
eosJMDCKSw(6) = 1.6483 _d -02 |
| 203 |
eosJMDCKSw(7) = - 5.3009 _d -04 |
| 204 |
C 5. secant bulk modulus K of sea water at p |
| 205 |
eosJMDCKP( 1) = 3.239908 _d +00 |
| 206 |
eosJMDCKP( 2) = 1.43713 _d -03 |
| 207 |
eosJMDCKP( 3) = 1.16092 _d -04 |
| 208 |
eosJMDCKP( 4) = - 5.77905 _d -07 |
| 209 |
eosJMDCKP( 5) = 2.2838 _d -03 |
| 210 |
eosJMDCKP( 6) = - 1.0981 _d -05 |
| 211 |
eosJMDCKP( 7) = - 1.6078 _d -06 |
| 212 |
eosJMDCKP( 8) = 1.91075 _d -04 |
| 213 |
eosJMDCKP( 9) = 8.50935 _d -05 |
| 214 |
eosJMDCKP(10) = - 6.12293 _d -06 |
| 215 |
eosJMDCKP(11) = 5.2787 _d -08 |
| 216 |
eosJMDCKP(12) = - 9.9348 _d -07 |
| 217 |
eosJMDCKP(13) = 2.0816 _d -08 |
| 218 |
eosJMDCKP(14) = 9.1697 _d -10 |
| 219 |
else |
| 220 |
STOP 'INI_EOS: We should never reach this point!' |
| 221 |
endif |
| 222 |
|
| 223 |
elseif( equationOfState .eq. 'IDEALG' ) then |
| 224 |
C |
| 225 |
else |
| 226 |
|
| 227 |
write(msgbuf,'(3a)') ' INI_EOS: equationOfState = "', |
| 228 |
& equationOfState,'"' |
| 229 |
call print_error( msgbuf, mythid ) |
| 230 |
stop 'ABNORMAL END: S/R INI_EOS' |
| 231 |
|
| 232 |
end if |
| 233 |
|
| 234 |
call check_eos( myThid ) |
| 235 |
|
| 236 |
return |
| 237 |
end |
| 238 |
|
| 239 |
CBOP |
| 240 |
C !ROUTINE: CHECK_EOS |
| 241 |
C !INTERFACE: |
| 242 |
subroutine check_eos( myThid ) |
| 243 |
C !DESCRIPTION: \bv |
| 244 |
C *==========================================================* |
| 245 |
C | SUBROUTINE CHECK_EOS |
| 246 |
C | o check the equation of state. |
| 247 |
C *==========================================================* |
| 248 |
C \ev |
| 249 |
|
| 250 |
C !USES: |
| 251 |
|
| 252 |
implicit none |
| 253 |
#include "SIZE.h" |
| 254 |
#include "EEPARAMS.h" |
| 255 |
#include "PARAMS.h" |
| 256 |
#include "EOS.h" |
| 257 |
|
| 258 |
C !INPUT/OUTPUT PARAMETERS: |
| 259 |
C == Routine arguments == |
| 260 |
C myThid - Number of this instance of CHECK_EOS |
| 261 |
INTEGER myThid |
| 262 |
|
| 263 |
C !LOCAL VARIABLES: |
| 264 |
C == Local variables == |
| 265 |
C bi,bj - Loop counters |
| 266 |
C I,J,K |
| 267 |
INTEGER bi, bj |
| 268 |
INTEGER imin, imax, jmin, jmax |
| 269 |
INTEGER I, J, K |
| 270 |
_RL tFld(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
| 271 |
_RL sFld(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
| 272 |
_RL rhoP0 (1-Olx:sNx+Olx,1-Oly:sNy+Oly) |
| 273 |
_RL bulkMod(1-Olx:sNx+Olx,1-Oly:sNy+Oly) |
| 274 |
_RL rholoc, psave |
| 275 |
|
| 276 |
INTEGER ncheck, kcheck |
| 277 |
PARAMETER ( ncheck = 10 ) |
| 278 |
_RL tloc(ncheck), ptloc(ncheck), sloc(ncheck), ploc(ncheck) |
| 279 |
_RL rloc(ncheck), bloc(ncheck) |
| 280 |
|
| 281 |
CHARACTER*(MAX_LEN_MBUF) msgBuf |
| 282 |
|
| 283 |
DATA tloc |
| 284 |
& /3.25905152915860 _d 0, 20.38687090048638 _d 0, |
| 285 |
& 5. _d 0, 25. _d 0, |
| 286 |
& 5. _d 0, 25. _d 0, |
| 287 |
& 5. _d 0, 25. _d 0, |
| 288 |
& 5. _d 0, 25. _d 0/, |
| 289 |
& ptloc |
| 290 |
& /3. _d 0, 20. _d 0, |
| 291 |
& 5. _d 0, 25. _d 0, |
| 292 |
& 5. _d 0, 25. _d 0, |
| 293 |
& 4.03692566635316 _d 0, 22.84661726775120 _d 0, |
| 294 |
& 3.62720389416752 _d 0, 22.62420229124846 _d 0/ |
| 295 |
& sloc |
| 296 |
& /35.5 _d 0, 35. _d 0, |
| 297 |
& 0. _d 0, 0. _d 0, |
| 298 |
& 35. _d 0, 35. _d 0, |
| 299 |
& 0. _d 0, 0. _d 0, |
| 300 |
& 35. _d 0, 35. _d 0/ |
| 301 |
& ploc |
| 302 |
& /300. _d 5, 200. _d 5, |
| 303 |
& 0. _d 0, 0. _d 0, |
| 304 |
& 0. _d 0, 0. _d 0, |
| 305 |
& 1000. _d 5, 1000. _d 5, |
| 306 |
& 1000. _d 5, 1000. _d 5/ |
| 307 |
DATA rloc |
| 308 |
& /1041.83267 _d 0, 1033.213387 _d 0, |
| 309 |
& 999.96675 _d 0, 997.04796 _d 0, |
| 310 |
& 1027.67547 _d 0, 1023.34306 _d 0, |
| 311 |
& 1044.12802 _d 0, 1037.90204 _d 0, |
| 312 |
& 1069.48914 _d 0, 1062.53817 _d 0/ |
| 313 |
& bloc |
| 314 |
& / -1.00000 _d 0, -1.00000 _d 0, |
| 315 |
& 20337.80375 _d 0, 22100.72106 _d 0, |
| 316 |
& 22185.93358 _d 0, 23726.34949 _d 0, |
| 317 |
& 23643.52599 _d 0, 25405.09717 _d 0, |
| 318 |
& 25577.49819 _d 0, 27108.94504 _d 0/ |
| 319 |
|
| 320 |
|
| 321 |
bi = 1 |
| 322 |
bj = 1 |
| 323 |
k = 1 |
| 324 |
imin = 1 |
| 325 |
imax = 1 |
| 326 |
jmin = 1 |
| 327 |
jmax = 1 |
| 328 |
i = 1 |
| 329 |
j = 1 |
| 330 |
if ( equationOfState.ne.'LINEAR' |
| 331 |
& .and. equationOfState.ne.'POLY3' ) then |
| 332 |
C check nonlinear EOS |
| 333 |
write(msgBuf,'(a,a)') |
| 334 |
& 'ml-eos: Check the equation of state: Type ', |
| 335 |
& equationOfState |
| 336 |
CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
| 337 |
& SQUEEZE_RIGHT , 1) |
| 338 |
psave = pressure(i,j,k,bi,bj) |
| 339 |
do kcheck = 1,ncheck |
| 340 |
pressure(i,j,k,bi,bj) = ploc(kcheck) |
| 341 |
if ( equationOfState.ne.'UNESCO' ) then |
| 342 |
tFld(i,j,k,bi,bj) = ptloc(kcheck) |
| 343 |
else |
| 344 |
tFld(i,j,k,bi,bj) = tloc(kcheck) |
| 345 |
endif |
| 346 |
sFld(i,j,k,bi,bj) = sloc(kcheck) |
| 347 |
rholoc = 0. _d 0 |
| 348 |
bulkMod(i,j) = -1. _d 0 |
| 349 |
|
| 350 |
call find_rhop0( |
| 351 |
I bi, bj, imin, imax, jmin, jmax, k, |
| 352 |
I tFld, sFld, |
| 353 |
O rhoP0, |
| 354 |
I myThid ) |
| 355 |
|
| 356 |
call find_bulkmod( |
| 357 |
I bi, bj, imin, imax, jmin, jmax, k, k, |
| 358 |
I tFld, sFld, |
| 359 |
O bulkMod, |
| 360 |
I myThid ) |
| 361 |
|
| 362 |
rholoc = rhoP0(i,j) |
| 363 |
& /(1. _d 0 - |
| 364 |
& pressure(i,j,k,bi,bj)*SItoBar/bulkMod(i,j)) |
| 365 |
|
| 366 |
|
| 367 |
write(msgBuf, |
| 368 |
& '(a4,f4.1,a5,f4.1,a6,f5.0,a5,a3,f10.5,1x,f11.5)') |
| 369 |
& 'rho(', sFld(i,j,k,bi,bj), ' PSU,', |
| 370 |
& tFld(i,j,k,bi,bj), ' degC,', |
| 371 |
& pressure(i,j,k,bi,bj)*SItoBar, ' bar)',' = ', |
| 372 |
& rloc(kcheck), bloc(kcheck) |
| 373 |
CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
| 374 |
& SQUEEZE_RIGHT , 1) |
| 375 |
write(msgBuf,'(a4,a32,f10.5,1x,f11.5)') |
| 376 |
& 'rho ', ' = ', rholoc, bulkMod(i,j) |
| 377 |
CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
| 378 |
& SQUEEZE_RIGHT , 1) |
| 379 |
|
| 380 |
enddo |
| 381 |
C end check nonlinear EOS |
| 382 |
pressure(i,j,k,bi,bj) = psave |
| 383 |
|
| 384 |
write(msgBuf,'(A)') 'end check the equation of state' |
| 385 |
CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
| 386 |
& SQUEEZE_RIGHT , 1) |
| 387 |
|
| 388 |
endif |
| 389 |
|
| 390 |
return |
| 391 |
end |
Parent Directory
| 
Revision Log
| 
Revision Graph