| 1 |
jmc |
1.3 |
C $Header: /u/gcmpack/models/MITgcmUV/pkg/aim/aim_do_atmos_physics.F,v 1.2 2001/02/02 21:36:29 adcroft Exp $ |
| 2 |
|
|
C $Name: $ |
| 3 |
adcroft |
1.2 |
|
| 4 |
|
|
#include "AIM_OPTIONS.h" |
| 5 |
|
|
|
| 6 |
|
|
SUBROUTINE AIM_DO_ATMOS_PHYSICS( phi_hyd, currentTime, myThid ) |
| 7 |
|
|
C /==================================================================\ |
| 8 |
|
|
C | S/R AIM_DO_ATMOS_PHYSICS | |
| 9 |
|
|
C |==================================================================| |
| 10 |
|
|
C | Interface interface between atmospheric physics package and the | |
| 11 |
|
|
C | dynamical model. | |
| 12 |
|
|
C | Routine calls physics pacakge after mapping model variables to | |
| 13 |
|
|
C | the package grid. Package should derive and set tendency terms | |
| 14 |
|
|
C | which can be included as external forcing terms in the dynamical | |
| 15 |
|
|
C | tendency routines. Packages should communicate this information | |
| 16 |
|
|
C | through common blocks. | |
| 17 |
|
|
C \==================================================================/ |
| 18 |
|
|
|
| 19 |
|
|
C -------------- Global variables ------------------------------------ |
| 20 |
|
|
C Physics package |
| 21 |
|
|
#include "atparam.h" |
| 22 |
|
|
#include "atparam1.h" |
| 23 |
|
|
INTEGER NGP |
| 24 |
|
|
INTEGER NLON |
| 25 |
|
|
INTEGER NLAT |
| 26 |
|
|
INTEGER NLEV |
| 27 |
|
|
PARAMETER ( NLON=IX, NLAT=IL, NLEV=KX, NGP=NLON*NLAT ) |
| 28 |
|
|
#include "com_physvar.h" |
| 29 |
|
|
#include "com_forcing1.h" |
| 30 |
|
|
#include "Lev_def.h" |
| 31 |
|
|
C MITgcm |
| 32 |
|
|
#include "EEPARAMS.h" |
| 33 |
|
|
#include "PARAMS.h" |
| 34 |
|
|
#include "DYNVARS.h" |
| 35 |
|
|
#include "GRID.h" |
| 36 |
|
|
|
| 37 |
|
|
C -------------- Routine arguments ----------------------------------- |
| 38 |
|
|
_RL phi_hyd(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
| 39 |
|
|
_RL currentTime |
| 40 |
|
|
|
| 41 |
|
|
#ifdef ALLOW_AIM |
| 42 |
|
|
C -------------- Local variables ------------------------------------- |
| 43 |
|
|
C I,J,K,I2,J2 - Loop counters |
| 44 |
|
|
C tYear - Fraction into year |
| 45 |
|
|
C mnthIndex - Current month |
| 46 |
|
|
C prevMnthIndex - Month last time this routine was called. |
| 47 |
|
|
C tmp4 - I/O buffer ( 32-bit precision ) |
| 48 |
|
|
C fNam - Work space for file names |
| 49 |
|
|
C mnthNam - Month strings |
| 50 |
|
|
C hInital - Initial height of pressure surfaces (m) |
| 51 |
|
|
C pSurfs - Pressure surfaces (Pa) |
| 52 |
|
|
C Katm - Atmospheric K index |
| 53 |
|
|
INTEGER I |
| 54 |
|
|
INTEGER I2 |
| 55 |
|
|
INTEGER J |
| 56 |
|
|
INTEGER J2 |
| 57 |
|
|
INTEGER K |
| 58 |
|
|
INTEGER IG0 |
| 59 |
|
|
INTEGER JG0 |
| 60 |
|
|
REAL tYear |
| 61 |
|
|
INTEGER mnthIndex |
| 62 |
|
|
INTEGER prevMnthIndex |
| 63 |
|
|
DATA prevMnthIndex / 0 / |
| 64 |
|
|
SAVE prevMnthIndex |
| 65 |
|
|
LOGICAL FirstCall |
| 66 |
|
|
DATA FirstCall /.TRUE./ |
| 67 |
|
|
SAVE FirstCall |
| 68 |
|
|
LOGICAL CALLFirst |
| 69 |
|
|
DATA CALLFirst /.TRUE./ |
| 70 |
|
|
SAVE CALLFirst |
| 71 |
|
|
INTEGER nxIo |
| 72 |
|
|
INTEGER nyIo |
| 73 |
|
|
PARAMETER ( nxIo = 128, nyIo = 64 ) |
| 74 |
|
|
Real*4 tmp4(nxIo,nyIo) |
| 75 |
|
|
CHARACTER*16 fNam |
| 76 |
|
|
CHARACTER*3 mnthNam(12) |
| 77 |
|
|
DATA mnthNam / |
| 78 |
|
|
& 'jan', 'feb', 'mar', 'apr', 'may', 'jun', |
| 79 |
|
|
& 'jul', 'aug', 'sep', 'oct', 'nov', 'dec' / |
| 80 |
|
|
SAVE mnthNam |
| 81 |
|
|
REAL hInitial(Nr) |
| 82 |
|
|
REAL hInitialW(Nr) |
| 83 |
|
|
DATA hInitial / 418.038,2038.54,5296.88,10090.02,17338.0/ |
| 84 |
|
|
SAVE hInitial |
| 85 |
|
|
DATA hInitialW / 0., 1657.54, 4087.75, 8050.96,15090.4 / |
| 86 |
|
|
REAL pSurfs(Nr) |
| 87 |
|
|
DATA pSurfs / 950.D2,775.D2, 500.D2, 250.D2, 75.D2 / |
| 88 |
|
|
SAVE pSurfs |
| 89 |
|
|
REAL pSurfw(Nr) |
| 90 |
|
|
DATA pSurfw /1000.D2, 900.D2, 650.D2, 350.D2, 150.D2 / |
| 91 |
|
|
SAVE pSurfw |
| 92 |
|
|
REAL RD |
| 93 |
|
|
REAL CPAIR |
| 94 |
|
|
REAL RhoG1(sNx*sNy,Nr) |
| 95 |
|
|
INTEGER npasdt |
| 96 |
|
|
DATA npasdt /0/ |
| 97 |
|
|
SAVE npasdt |
| 98 |
|
|
REAL Soilqmax |
| 99 |
|
|
REAL phiTotal(sNx,sNy,Nr) |
| 100 |
|
|
_RL phiTCount |
| 101 |
|
|
_RL phiTSum |
| 102 |
|
|
_RL ans |
| 103 |
|
|
real pvoltotNiv5 |
| 104 |
|
|
SAVE pvoltotNiv5 |
| 105 |
|
|
real ptotalNiv5 |
| 106 |
|
|
INTEGER bi, bj |
| 107 |
|
|
INTEGER Katm |
| 108 |
|
|
C |
| 109 |
|
|
pGround = 1.D5 |
| 110 |
|
|
CPAIR = 1004 |
| 111 |
|
|
RD = 287 |
| 112 |
|
|
|
| 113 |
|
|
C Assume only one tile per proc. for now |
| 114 |
|
|
bi = 1 |
| 115 |
|
|
bj = 1 |
| 116 |
|
|
IG0 = myXGlobalLo |
| 117 |
|
|
JG0 = myYGlobalLo |
| 118 |
|
|
|
| 119 |
|
|
C |
| 120 |
|
|
C Physics package works with sub-domains 1:sNx,1:sNy,1:Nr. |
| 121 |
|
|
C Internal index mapping is linear in X and Y with a second |
| 122 |
|
|
C dimension for the vertical. |
| 123 |
|
|
|
| 124 |
|
|
C Adjustment for heave due to mean heating/cooling |
| 125 |
|
|
C ( I don't think the old formula was strictly "correct" for orography |
| 126 |
|
|
C but I have implemented it as was for now. As implemented |
| 127 |
|
|
C the mean heave of the bottom (K=Nr) level is calculated rather than |
| 128 |
|
|
C the mean heave of the base of the atmosphere. ) |
| 129 |
|
|
phiTCount = 0. |
| 130 |
|
|
phiTSum = 0. |
| 131 |
|
|
DO K=1,Nr |
| 132 |
|
|
DO J=1,sNy |
| 133 |
|
|
DO I=1,sNx |
| 134 |
jmc |
1.3 |
phiTotal(I,J,K) = etaN(i,j,bi,bj) |
| 135 |
adcroft |
1.2 |
phiTCount = phiTCount + hFacC(i,j,Nr,bi,bj) |
| 136 |
|
|
ENDDO |
| 137 |
|
|
ENDDO |
| 138 |
|
|
ENDDO |
| 139 |
|
|
DO K=1,Nr |
| 140 |
|
|
DO J=1,sNy |
| 141 |
|
|
DO I=1,sNx |
| 142 |
|
|
phiTotal(I,J,K) = phiTotal(I,J,K) + |
| 143 |
|
|
& recip_rhoConst*(phi_hyd(i,j,k,bi,bj)) |
| 144 |
|
|
ENDDO |
| 145 |
|
|
ENDDO |
| 146 |
|
|
ENDDO |
| 147 |
|
|
DO J=1,sNy |
| 148 |
|
|
DO I=1,sNx |
| 149 |
|
|
phiTSum = phiTSum + phiTotal(I,J,Nr) |
| 150 |
|
|
ENDDO |
| 151 |
|
|
ENDDO |
| 152 |
|
|
ans = phiTCount |
| 153 |
|
|
C _GLOBAL_SUM_R8( phiTCount, myThid ) |
| 154 |
|
|
phiTcount = ans |
| 155 |
|
|
ans = phiTSum |
| 156 |
|
|
C _GLOBAL_SUM_R8( phiTSum, myThid ) |
| 157 |
|
|
phiTSum = ans |
| 158 |
|
|
C ptotalniv5=phiTSum/phiTCount |
| 159 |
|
|
ptotalniv5=0. |
| 160 |
|
|
|
| 161 |
|
|
C Note the mapping here is only valid for one tile |
| 162 |
|
|
C per proc. |
| 163 |
|
|
DO K = 1, Nr |
| 164 |
|
|
DO J = 1, sNy |
| 165 |
|
|
DO I = 1, sNx |
| 166 |
|
|
I2 = (sNx)*(J-1)+I |
| 167 |
|
|
Katm = _KD2KA( K ) |
| 168 |
|
|
UG1(I2,Katm) = 0.5*(uVel(I,J,K,bi,bj)+uVel(I+1,J,K,bi,bj)) |
| 169 |
|
|
VG1(I2,Katm) = 0.5*(vVel(I,J,K,bi,bj)+vVel(I,J+1,K,bi,bj)) |
| 170 |
|
|
C Phyiscs works with temperature - not potential temp. |
| 171 |
|
|
TG1(I2,Katm) = theta(I,J,K,bi,bj)/((pGround/pSurfs(K))**(RD/CPAIR)) |
| 172 |
|
|
QG1(I2,Katm) = salt(I,J,K,bi,bj) |
| 173 |
|
|
PHIG1(I2,Katm) = (phiTotal(I,J,K)- ptotalniv5 ) + gravity*Hinitial(k) |
| 174 |
|
|
if(hFacC(i,j,k,bi,bj).eq.1.) then |
| 175 |
|
|
RHOG1(I2,Katm) = pSurfs(K)/RD/TG1(I2,Katm) |
| 176 |
|
|
else |
| 177 |
|
|
RHOG1(I2,Katm)=0. |
| 178 |
|
|
endif |
| 179 |
|
|
ENDDO |
| 180 |
|
|
ENDDO |
| 181 |
|
|
ENDDO |
| 182 |
|
|
|
| 183 |
|
|
C |
| 184 |
|
|
C Set geopotential surfaces |
| 185 |
|
|
C ------------------------- |
| 186 |
|
|
DO J=1,sNy |
| 187 |
|
|
DO I=1,sNx |
| 188 |
|
|
I2 = (sNx)*(J-1)+I |
| 189 |
|
|
IF ( Nlevxy(I2) .NE. 0 ) THEN |
| 190 |
|
|
PHI0(I2) = gravity*Hinitialw(Nlevxy(I2)) |
| 191 |
|
|
ELSE |
| 192 |
|
|
PHI0(I2) = 0. |
| 193 |
|
|
ENDIF |
| 194 |
|
|
ENDDO |
| 195 |
|
|
ENDDO |
| 196 |
|
|
C |
| 197 |
|
|
C Physics package works with log of surface pressure |
| 198 |
|
|
C Get surface pressure from pbot-dpref/dz*Z' |
| 199 |
|
|
DO J=1,sNy |
| 200 |
|
|
DO I=1,sNx |
| 201 |
|
|
I2 = (sNx)*(J-1)+I |
| 202 |
|
|
IF ( Nlevxy(I2) .NE. 0 ) THEN |
| 203 |
|
|
PNLEVW(I2) = PsurfW(Nlevxy(I2))/pGround |
| 204 |
|
|
ELSE |
| 205 |
|
|
C Dummy value for land |
| 206 |
|
|
PNLEVW(I2) = PsurfW(1)/pGround |
| 207 |
|
|
ENDIF |
| 208 |
|
|
PSLG1(I2) = 0. |
| 209 |
|
|
ENDDO |
| 210 |
|
|
ENDDO |
| 211 |
|
|
cch write(0,*) '(PNLEVW(I2),I2=257,384)' |
| 212 |
|
|
cch write(0,*) (PNLEVW(I2),I2=257,384) |
| 213 |
|
|
C |
| 214 |
|
|
C |
| 215 |
|
|
C Physics package needs to know time of year as a fraction |
| 216 |
|
|
tYear = currentTime/(86400.*360.) - |
| 217 |
|
|
& FLOAT(INT(currentTime/(86400.*360.))) |
| 218 |
|
|
C |
| 219 |
|
|
C Load external data needed by physics package |
| 220 |
|
|
C 1. Albedo |
| 221 |
|
|
C 2. Soil moisture |
| 222 |
|
|
C 3. Surface temperatures |
| 223 |
|
|
C 4. Snow depth - assume no snow for now |
| 224 |
|
|
C 5. Sea ice - assume no sea ice for now |
| 225 |
|
|
C 6. Land sea mask - infer from exact zeros in soil moisture dataset |
| 226 |
|
|
C 7. Surface geopotential - to be done when orography is in |
| 227 |
|
|
C dynamical kernel. Assume 0. for now. |
| 228 |
|
|
mnthIndex = INT(tYear*12.)+1 |
| 229 |
|
|
IF ( mnthIndex .NE. prevMnthIndex .OR. |
| 230 |
|
|
& FirstCall ) THEN |
| 231 |
|
|
prevMnthIndex = mnthIndex |
| 232 |
|
|
C Read in surface albedo data (input is in % 0-100 ) |
| 233 |
|
|
C scale to give fraction between 0-1 for Francos package. |
| 234 |
|
|
CequChan WRITE(fNam,'(A,A,A)' ) 'salb.',mnthNam(mnthIndex),'.sun.b' |
| 235 |
|
|
CequChan OPEN(1,FILE=fNam(1:14),STATUS='old',FORM='unformatted') |
| 236 |
|
|
CequChan READ(1) tmp4 |
| 237 |
|
|
CequChan CLOSE(1) |
| 238 |
|
|
CequChan DO J=1,nYio |
| 239 |
|
|
CequChan DO I=1,nXio |
| 240 |
|
|
CequChan tmp4(I,J) = tmp4(I,J)/100. |
| 241 |
|
|
CequChan ENDDO |
| 242 |
|
|
CequChan ENDDO |
| 243 |
|
|
DO J=1,sNy |
| 244 |
|
|
DO I=1,sNx |
| 245 |
|
|
I2 = (sNx)*(J-1)+I |
| 246 |
|
|
alb0(I2) = 0. |
| 247 |
|
|
CequChan IF ( IG0+I-1 .LE. nxIo .AND. JG0+J-1 .LE. nyIo ) THEN |
| 248 |
|
|
CequChan alb0(I2) = tmp4(IG0+I-1,JG0+J-1) |
| 249 |
|
|
CequChan ENDIF |
| 250 |
|
|
ENDDO |
| 251 |
|
|
ENDDO |
| 252 |
|
|
C Read in surface temperature data (input is in absolute temperature) |
| 253 |
|
|
CequChan WRITE(fNam,'(A,A,A)' ) 'tsurf.',mnthNam(mnthIndex),'.sun.b' |
| 254 |
|
|
CequChan OPEN(1,FILE=fNam(1:15),STATUS='old',FORM='unformatted') |
| 255 |
|
|
CequChan READ(1) tmp4 |
| 256 |
|
|
CequChan CLOSE(1) |
| 257 |
|
|
DO J=1,sNy |
| 258 |
|
|
DO I=1,sNx |
| 259 |
|
|
I2 = (sNx)*(J-1)+I |
| 260 |
|
|
sst1(I2) = 300. |
| 261 |
|
|
stl1(I2) = 300. |
| 262 |
|
|
CequChan IF ( IG0+I-1 .LE. nxIo .AND. JG0+J-1 .LE. nyIo ) THEN |
| 263 |
|
|
CequChan sst1(I2) = tmp4(IG0+I-1,JG0+J-1) |
| 264 |
|
|
CequChan stl1(I2) = tmp4(IG0+I-1,JG0+J-1) |
| 265 |
|
|
CequChan ENDIF |
| 266 |
|
|
caja IF ( I .GE. 64-10 .AND. I .LE. 65+10 ) THEN |
| 267 |
|
|
caja sst1(I2) = 310. |
| 268 |
|
|
caja stl1(I2) = 310. |
| 269 |
|
|
caja ENDIF |
| 270 |
|
|
caja IF ( I .GE. 64-10 .AND. I .LE. 65+10 ) THEN |
| 271 |
|
|
caja sst1(I2) = 300.+10.*exp( -((float(I)-64.5)/5.)**2 ) |
| 272 |
|
|
caja stl1(I2) = sst1(I2) |
| 273 |
|
|
caja ENDIF |
| 274 |
|
|
c_jmc: should not be part of the AIM package : |
| 275 |
|
|
sst1(I2) = 300.+10.*exp( -((float(I)-64.5)/25.)**2 ) |
| 276 |
|
|
stl1(I2) = sst1(I2) |
| 277 |
|
|
ENDDO |
| 278 |
|
|
ENDDO |
| 279 |
|
|
C |
| 280 |
|
|
C Read in soil moisture data (input is in cm in bucket of depth 20cm. ) |
| 281 |
|
|
C??? NOT CLEAR scale for bucket depth of 75mm which is what Franco uses. |
| 282 |
|
|
CequChan WRITE(fNam,'(A,A,A)' ) 'smoist.',mnthNam(mnthIndex),'.sun.b' |
| 283 |
|
|
CequChan OPEN(1,FILE=fNam(1:16),STATUS='old',FORM='unformatted') |
| 284 |
|
|
CequChan READ(1) tmp4 |
| 285 |
|
|
CequChan CLOSE(1) |
| 286 |
|
|
CequChan WRITE(0,*) ' Read file ', fNam(1:16), IG0, JG0 |
| 287 |
|
|
cdj tmp4 = (tmp4*7.5/20.)*10. |
| 288 |
|
|
DO J=1,sNy |
| 289 |
|
|
DO I=1,sNx |
| 290 |
|
|
I2 = (sNx)*(J-1)+I |
| 291 |
|
|
soilq1(I2) = 0. |
| 292 |
|
|
CequChan IF ( IG0+I-1 .LE. nxIo .AND. JG0+J-1 .LE. nyIo ) THEN |
| 293 |
|
|
CequChan soilq1(I2) = tmp4(IG0+I-1,JG0+J-1) |
| 294 |
|
|
CequChan ENDIF |
| 295 |
|
|
ENDDO |
| 296 |
|
|
ENDDO |
| 297 |
|
|
cdj Soilqmax=MAxval(soilq1) |
| 298 |
|
|
Soilqmax=20. |
| 299 |
|
|
cdj if(Soilqmax.ne.0.) then |
| 300 |
|
|
DO J=1,sNy |
| 301 |
|
|
DO I=1,sNx |
| 302 |
|
|
I2 = (sNx)*(J-1)+I |
| 303 |
|
|
CequChan soilq1(I2)=soilq1(I2)/Soilqmax |
| 304 |
|
|
soilq1(I2) = 1. |
| 305 |
|
|
ENDDO |
| 306 |
|
|
ENDDO |
| 307 |
|
|
cdj endif |
| 308 |
|
|
ENDIF |
| 309 |
|
|
C |
| 310 |
|
|
IF ( FirstCall ) THEN |
| 311 |
|
|
C Set snow depth, sea ice to zero for now |
| 312 |
|
|
C Land-sea mask ( figure this out from where soil moisture is exactly zero ). |
| 313 |
|
|
DO J=1,sNy |
| 314 |
|
|
DO I=1,sNx |
| 315 |
|
|
I2 = (sNx)*(J-1)+I |
| 316 |
|
|
fMask1(I2) = 1. |
| 317 |
|
|
IF ( soilq1(I2) .EQ. 0. ) fMask1(I2) = 0. |
| 318 |
|
|
oice1(I2) = 0. |
| 319 |
|
|
snow1(I2) = 0. |
| 320 |
|
|
ENDDO |
| 321 |
|
|
ENDDO |
| 322 |
|
|
C open(77,file='lsmask',form='unformatted') |
| 323 |
|
|
C write(77) fmask1 |
| 324 |
|
|
C close(77) |
| 325 |
|
|
ENDIF |
| 326 |
|
|
C |
| 327 |
|
|
C Addition may 15 . Reset humidity to 0. if negative |
| 328 |
|
|
C --------------------------------------------------- |
| 329 |
|
|
DO K=1,Nr |
| 330 |
|
|
DO J=1-OLy,sNy+OLy |
| 331 |
|
|
DO I=1-Olx,sNx+OLx |
| 332 |
|
|
IF ( salt(i,j,k,bi,bj) .LT. 0. .OR. K .EQ. Nr ) THEN |
| 333 |
|
|
salt(i,j,k,bi,bj) = 0. |
| 334 |
|
|
ENDIF |
| 335 |
|
|
ENDDO |
| 336 |
|
|
ENDDO |
| 337 |
|
|
ENDDO |
| 338 |
|
|
C |
| 339 |
|
|
CALL PDRIVER( tYear ) |
| 340 |
|
|
|
| 341 |
jmc |
1.3 |
#ifdef ALLOW_TIMEAVE |
| 342 |
adcroft |
1.2 |
C Calculate diagnostics for AIM |
| 343 |
|
|
CALL AIM_CALC_DIAGS( bi, bj, currentTime, myThid ) |
| 344 |
jmc |
1.3 |
#endif /* ALLOW_TIMEAVE */ |
| 345 |
adcroft |
1.2 |
C |
| 346 |
|
|
FirstCall = .FALSE. |
| 347 |
|
|
C |
| 348 |
|
|
#endif /* ALLOW_AIM */ |
| 349 |
|
|
|
| 350 |
|
|
RETURN |
| 351 |
|
|
END |
Parent Directory
| 
Revision Log
| 
Revision Graph