| 1 |
C $Header: $ |
| 2 |
C $Name: $ |
| 3 |
|
| 4 |
#include "CPP_OPTIONS.h" |
| 5 |
|
| 6 |
CBOP |
| 7 |
C !ROUTINE: EXTERNAL_FORCING_TR |
| 8 |
C !INTERFACE: |
| 9 |
SUBROUTINE EXTERNAL_FORCING_TR( |
| 10 |
I iMin, iMax, jMin, jMax,bi,bj,kLev, |
| 11 |
I myTime,myThid) |
| 12 |
|
| 13 |
C !DESCRIPTION: \bv |
| 14 |
C *==========================================================* |
| 15 |
C | S/R EXTERNAL_FORCING_TR |
| 16 |
C | o Contains problem specific forcing for tracer Tr1. |
| 17 |
C *==========================================================* |
| 18 |
C | Adds terms to gTr1 for forcing by external sources. |
| 19 |
C | This routine is hardcoded for OCMIP CFC-11 experiment. |
| 20 |
C | It assumes that myTime = on January 1, 1930. |
| 21 |
C | See the OCMIP-2 CFC HOWTO for details. |
| 22 |
C *==========================================================* |
| 23 |
C \ev |
| 24 |
|
| 25 |
C !USES: |
| 26 |
IMPLICIT NONE |
| 27 |
C == Global data == |
| 28 |
#include "SIZE.h" |
| 29 |
#include "EEPARAMS.h" |
| 30 |
#include "PARAMS.h" |
| 31 |
#include "GRID.h" |
| 32 |
#include "DYNVARS.h" |
| 33 |
#include "TR1.h" |
| 34 |
|
| 35 |
_RL sc_cfc, sol_cfc |
| 36 |
EXTERNAL sc_cfc, sol_cfc |
| 37 |
|
| 38 |
C !INPUT/OUTPUT PARAMETERS: |
| 39 |
C == Routine arguments == |
| 40 |
C iMin - Working range of tile for applying forcing. |
| 41 |
C iMax |
| 42 |
C jMin |
| 43 |
C jMax |
| 44 |
C kLev |
| 45 |
INTEGER iMin, iMax, jMin, jMax, kLev, bi, bj |
| 46 |
_RL myTime |
| 47 |
INTEGER myThid |
| 48 |
|
| 49 |
C !LOCAL VARIABLES: |
| 50 |
C == Local variables == |
| 51 |
C i,j :: Loop counters |
| 52 |
C aWght, bWght :: Interpolation weights |
| 53 |
INTEGER i,j,intime0,intime1,nForcingPeriods |
| 54 |
_RL aWght,bWght,rdt |
| 55 |
_RL fprd,fcyc,ftm,ftmold |
| 56 |
_RL KW,CSAT,ALPHA,PCFC,PCFC1,PCFC2,TMP1,TMP2 |
| 57 |
CEOP |
| 58 |
|
| 59 |
IF ( kLev .EQ. 1 ) THEN |
| 60 |
|
| 61 |
C Find records and compute interpolation weights |
| 62 |
fprd = 2629800 |
| 63 |
fcyc = 31557600 |
| 64 |
nForcingPeriods = fcyc / fprd |
| 65 |
ftm = mod( myTime + fcyc - fprd / 2 , fcyc ) |
| 66 |
intime0 = int( ftm / fprd ) |
| 67 |
intime1 = mod( intime0 + 1, nForcingPeriods ) |
| 68 |
aWght = ( ftm - fprd * intime0 ) / ( fprd ) |
| 69 |
bWght = 1. - aWght |
| 70 |
intime0 = intime0 + 1 |
| 71 |
intime1 = intime1 + 1 |
| 72 |
|
| 73 |
C Now calculate whether it is time to update the forcing arrays |
| 74 |
ftmold = mod( myTime - deltaTclock + fcyc - fprd / 2 , fcyc ) |
| 75 |
IF ( |
| 76 |
& (int(ftmold/fprd)+1) .NE. intime0 |
| 77 |
& .OR. myTime .EQ. startTime |
| 78 |
& ) THEN |
| 79 |
C If the above condition is met then we need to read in |
| 80 |
C data for the period ahead and the period behind myTime. |
| 81 |
_BEGIN_MASTER(myThid) |
| 82 |
WRITE(*,*) |
| 83 |
& 'S/R EXTERNAL_FORCING_TR: Reading new data',myTime |
| 84 |
CALL MDSREADFIELD ( FiceFile, readBinaryPrec, |
| 85 |
& 'RS', 1, fice0, intime0, myThid ) |
| 86 |
CALL MDSREADFIELD ( FiceFile, readBinaryPrec, |
| 87 |
& 'RS', 1, fice1, intime1, myThid ) |
| 88 |
CALL MDSREADFIELD ( XkwFile, readBinaryPrec, |
| 89 |
& 'RS', 1, xkw0, intime0, myThid ) |
| 90 |
CALL MDSREADFIELD ( XkwFile, readBinaryPrec, |
| 91 |
& 'RS', 1, xkw1, intime1, myThid ) |
| 92 |
CALL MDSREADFIELD ( PatmFile, readBinaryPrec, |
| 93 |
& 'RS', 1, patm0, intime0, myThid ) |
| 94 |
CALL MDSREADFIELD ( PatmFile, readBinaryPrec, |
| 95 |
& 'RS', 1, patm1, intime1, myThid ) |
| 96 |
_END_MASTER(myThid) |
| 97 |
_EXCH_XY_R4(fice0 , myThid ) |
| 98 |
_EXCH_XY_R4(fice1 , myThid ) |
| 99 |
_EXCH_XY_R4(xkw0 , myThid ) |
| 100 |
_EXCH_XY_R4(xkw1 , myThid ) |
| 101 |
_EXCH_XY_R4(patm0 , myThid ) |
| 102 |
_EXCH_XY_R4(patm1 , myThid ) |
| 103 |
ENDIF |
| 104 |
|
| 105 |
C-- Interpolate in time |
| 106 |
DO j=1-Oly,sNy+Oly |
| 107 |
DO i=1-Olx,sNx+Olx |
| 108 |
fice(i,j,bi,bj) = bWght*fice0(i,j,bi,bj) + |
| 109 |
& aWght*fice1(i,j,bi,bj) |
| 110 |
if( fice(i,j,bi,bj) .LT. 0.2 ) fice(i,j,bi,bj) = 0.0 |
| 111 |
xkw(i,j,bi,bj) = bWght* xkw0(i,j,bi,bj) + |
| 112 |
& aWght* xkw1(i,j,bi,bj) |
| 113 |
patm(i,j,bi,bj) = bWght*patm0(i,j,bi,bj) + |
| 114 |
& aWght*patm1(i,j,bi,bj) |
| 115 |
ENDDO |
| 116 |
ENDDO |
| 117 |
|
| 118 |
C Find records and interpolation weights for PCFC |
| 119 |
fprd = 31557600 |
| 120 |
ftm = myTime + fprd / 2 |
| 121 |
intime0 = int( ftm / fprd ) |
| 122 |
intime1 = intime0 + 1 |
| 123 |
aWght = ( ftm - fprd * intime0 ) / ( fprd ) |
| 124 |
bWght = 1. - aWght |
| 125 |
intime0 = intime0 + 1930 |
| 126 |
intime1 = intime1 + 1930 |
| 127 |
PCFC1 = bWght * CFCp11(intime0,1) + aWght * CFCp11(intime1,1) |
| 128 |
PCFC2 = bWght * CFCp11(intime0,2) + aWght * CFCp11(intime1,2) |
| 129 |
|
| 130 |
C-- Forcing term: add tracer in top-layer |
| 131 |
C TR1 is tracer concentration in mol/m^3 |
| 132 |
C OCMIP formula provides air-sea flux F in mol/m^2/s |
| 133 |
C GTR1 = F / drF(1) in mol/m^3/s |
| 134 |
C |
| 135 |
DO j=jMin,jMax |
| 136 |
DO i=iMin,iMax |
| 137 |
TMP1 = theta(i,j,1,bi,bj) |
| 138 |
TMP2 = salt(i,j,1,bi,bj) |
| 139 |
KW = (1.-fice(i,j,bi,bj)) * xkw(i,j,bi,bj) * |
| 140 |
& (sc_cfc(TMP1,11)/660)**(-1/2) |
| 141 |
PCFC = pCFCw1(I,J,bi,bj) * PCFC1 + |
| 142 |
& pCFCw2(I,J,bi,bj) * PCFC2 |
| 143 |
ALPHA = sol_cfc(TMP1,TMP2,11) |
| 144 |
CSAT = ALPHA * PCFC * patm(i,j,bi,bj) |
| 145 |
TMP1 = KW * ( CSAT - Tr1(i,j,1,bi,bj) ) |
| 146 |
gTr1(i,j,1,bi,bj) = gTr1(i,j,1,bi,bj) + |
| 147 |
& TMP1 * recip_drF(1) * recip_hFacC(i,j,1,bi,bj) |
| 148 |
ENDDO |
| 149 |
ENDDO |
| 150 |
|
| 151 |
ENDIF |
| 152 |
|
| 153 |
RETURN |
| 154 |
END |
| 155 |
|
| 156 |
C==================================================================== |
| 157 |
|
| 158 |
c_ --------------------------------------------------------------------- |
| 159 |
c_ RCS lines preceded by "c_ " |
| 160 |
c_ --------------------------------------------------------------------- |
| 161 |
c_ |
| 162 |
c_ $Source: /home/orr/ocmip/web/OCMIP/phase2/simulations/CFC/boundcond/RCS/sc_cfc.f,v $ |
| 163 |
c_ $Revision: 1.1 $ |
| 164 |
c_ $Date: 1998/07/07 15:22:00 $ ; $State: Exp $ |
| 165 |
c_ $Author: orr $ ; $Locker: $ |
| 166 |
c_ |
| 167 |
c_ --------------------------------------------------------------------- |
| 168 |
c_ $Log: sc_cfc.f,v $ |
| 169 |
c_ Revision 1.1 1998/07/07 15:22:00 orr |
| 170 |
c_ Initial revision |
| 171 |
c_ |
| 172 |
c_ --------------------------------------------------------------------- |
| 173 |
c_ |
| 174 |
_RL FUNCTION sc_cfc(t,kn) |
| 175 |
c--------------------------------------------------- |
| 176 |
c CFC 11 and 12 schmidt number |
| 177 |
c as a fonction of temperature. |
| 178 |
c |
| 179 |
c ref: Zheng et al (1998), JGR, vol 103,No C1 |
| 180 |
c |
| 181 |
c t: temperature (degree Celcius) |
| 182 |
c kn: = 11 for CFC-11, 12 for CFC-12 |
| 183 |
c |
| 184 |
c J-C Dutay - LSCE |
| 185 |
c--------------------------------------------------- |
| 186 |
IMPLICIT NONE |
| 187 |
INTEGER kn |
| 188 |
_RL a1 ( 11: 12), a2 ( 11: 12), a3 ( 11: 12), a4 ( 11: 12) |
| 189 |
_RL t |
| 190 |
c |
| 191 |
c coefficients with t in degre Celcius |
| 192 |
c ------------------------------------ |
| 193 |
a1(11) = 3501.8 |
| 194 |
a2(11) = -210.31 |
| 195 |
a3(11) = 6.1851 |
| 196 |
a4(11) = -0.07513 |
| 197 |
c |
| 198 |
a1(12) = 3845.4 |
| 199 |
a2(12) = -228.95 |
| 200 |
a3(12) = 6.1908 |
| 201 |
a4(12) = -0.067430 |
| 202 |
c |
| 203 |
|
| 204 |
sc_cfc = a1(kn) + a2(kn) * t + a3(kn) *t*t |
| 205 |
& + a4(kn) *t*t*t |
| 206 |
|
| 207 |
RETURN |
| 208 |
END |
| 209 |
|
| 210 |
C==================================================================== |
| 211 |
|
| 212 |
c_ --------------------------------------------------------------------- |
| 213 |
c_ RCS lines preceded by "c_ " |
| 214 |
c_ --------------------------------------------------------------------- |
| 215 |
c_ |
| 216 |
c_ $Source: /www/html/ipsl/OCMIP/phase2/simulations/CFC/boundcond/RCS/sol_cfc.f,v $ |
| 217 |
c_ $Revision: 1.2 $ |
| 218 |
c_ $Date: 1998/07/17 07:37:02 $ ; $State: Exp $ |
| 219 |
c_ $Author: jomce $ ; $Locker: $ |
| 220 |
c_ |
| 221 |
c_ --------------------------------------------------------------------- |
| 222 |
c_ $Log: sol_cfc.f,v $ |
| 223 |
c_ Revision 1.2 1998/07/17 07:37:02 jomce |
| 224 |
c_ Fixed slight bug in units conversion: converted 1.0*e-12 to 1.0e-12 |
| 225 |
c_ following warning from Matthew Hecht at NCAR. |
| 226 |
c_ |
| 227 |
c_ Revision 1.1 1998/07/07 15:22:00 orr |
| 228 |
c_ Initial revision |
| 229 |
c_ |
| 230 |
c_ --------------------------------------------------------------------- |
| 231 |
c_ |
| 232 |
_RL FUNCTION sol_cfc(pt,ps,kn) |
| 233 |
c------------------------------------------------------------------- |
| 234 |
c |
| 235 |
c CFC 11 and 12 Solubilities in seawater |
| 236 |
c ref: Warner & Weiss (1985) , Deep Sea Research, vol32 |
| 237 |
c |
| 238 |
c pt: temperature (degre Celcius) |
| 239 |
c ps: salinity (o/oo) |
| 240 |
c kn: 11 = CFC-11, 12 = CFC-12 |
| 241 |
c sol_cfc: in mol/m3/pptv |
| 242 |
c 1 pptv = 1 part per trillion = 10^-12 atm = 1 picoatm |
| 243 |
|
| 244 |
c |
| 245 |
c J-C Dutay - LSCE |
| 246 |
c------------------------------------------------------------------- |
| 247 |
|
| 248 |
_RL pt, ps,ta,d |
| 249 |
_RL a1 ( 11: 12), a2 ( 11: 12), a3 ( 11: 12), a4 ( 11: 12) |
| 250 |
_RL b1 ( 11: 12), b2 ( 11: 12), b3 ( 11: 12) |
| 251 |
|
| 252 |
INTEGER kn |
| 253 |
|
| 254 |
cc |
| 255 |
cc coefficient for solubility in mol/l/atm |
| 256 |
cc ---------------------------------------- |
| 257 |
c |
| 258 |
c for CFC 11 |
| 259 |
c ---------- |
| 260 |
a1 ( 11) = -229.9261 |
| 261 |
a2 ( 11) = 319.6552 |
| 262 |
a3 ( 11) = 119.4471 |
| 263 |
a4 ( 11) = -1.39165 |
| 264 |
b1 ( 11) = -0.142382 |
| 265 |
b2 ( 11) = 0.091459 |
| 266 |
b3 ( 11) = -0.0157274 |
| 267 |
c |
| 268 |
c for CFC/12 |
| 269 |
c ---------- |
| 270 |
a1 ( 12) = -218.0971 |
| 271 |
a2 ( 12) = 298.9702 |
| 272 |
a3 ( 12) = 113.8049 |
| 273 |
a4 ( 12) = -1.39165 |
| 274 |
b1 ( 12) = -0.143566 |
| 275 |
b2 ( 12) = 0.091015 |
| 276 |
b3 ( 12) = -0.0153924 |
| 277 |
c |
| 278 |
|
| 279 |
ta = ( pt + 273.16)* 0.01 |
| 280 |
d = ( b3 ( kn)* ta + b2 ( kn))* ta + b1 ( kn) |
| 281 |
c |
| 282 |
c |
| 283 |
sol_cfc |
| 284 |
$ = exp ( a1 ( kn) |
| 285 |
$ + a2 ( kn)/ ta |
| 286 |
$ + a3 ( kn)* log ( ta ) |
| 287 |
$ + a4 ( kn)* ta * ta + ps* d ) |
| 288 |
c |
| 289 |
c conversion from mol/(l * atm) to mol/(m^3 * atm) |
| 290 |
c ------------------------------------------------ |
| 291 |
sol_cfc = 1000. * sol_cfc |
| 292 |
c |
| 293 |
c conversion from mol/(m^3 * atm) to mol/(m3 * pptv) |
| 294 |
c -------------------------------------------------- |
| 295 |
sol_cfc = 1.0e-12 * sol_cfc |
| 296 |
|
| 297 |
END |
Parent Directory
| 
Revision Log
| 
Revision Graph