| 1 |
jmc |
1.1 |
C $Header: $ |
| 2 |
|
|
C $Name: $ |
| 3 |
|
|
|
| 4 |
|
|
#include "AIM_OPTIONS.h" |
| 5 |
|
|
|
| 6 |
|
|
SUBROUTINE AIM_SURF_BC( tYear, myTime, myIter, bi, bj, myThid ) |
| 7 |
|
|
C *================================================================* |
| 8 |
|
|
C | S/R AIM_SURF_BC |
| 9 |
|
|
C | Set surface Boundary Conditions |
| 10 |
|
|
C | for the atmospheric physics package |
| 11 |
|
|
C *================================================================* |
| 12 |
|
|
c | was part of S/R FORDATE in Franco Molteni SPEEDY code (ver23). |
| 13 |
|
|
C | For now, surface BC are loaded from files (S/R AIM_FIELDS_LOAD) |
| 14 |
|
|
C | and imposed (= surf. forcing). |
| 15 |
|
|
C | In the future, will add |
| 16 |
|
|
C | a land model and a coupling interface with an ocean GCM |
| 17 |
|
|
C *================================================================* |
| 18 |
|
|
IMPLICIT NONE |
| 19 |
|
|
|
| 20 |
|
|
C -------------- Global variables -------------- |
| 21 |
|
|
C-- size for MITgcm & Physics package : |
| 22 |
|
|
#include "AIM_SIZE.h" |
| 23 |
|
|
|
| 24 |
|
|
C-- MITgcm |
| 25 |
|
|
#include "EEPARAMS.h" |
| 26 |
|
|
#include "PARAMS.h" |
| 27 |
|
|
c #include "DYNVARS.h" |
| 28 |
|
|
#include "GRID.h" |
| 29 |
|
|
c #include "SURFACE.h" |
| 30 |
|
|
|
| 31 |
|
|
C-- Physics package |
| 32 |
|
|
#include "AIM_PARAMS.h" |
| 33 |
|
|
#include "AIM_FFIELDS.h" |
| 34 |
|
|
c #include "AIM_GRID.h" |
| 35 |
|
|
#include "com_forcon.h" |
| 36 |
|
|
#include "com_forcing.h" |
| 37 |
|
|
c #include "com_physvar.h" |
| 38 |
|
|
|
| 39 |
|
|
C-- Coupled to the Ocean : |
| 40 |
|
|
#ifdef COMPONENT_MODULE |
| 41 |
|
|
#include "CPL_PARAMS.h" |
| 42 |
|
|
#include "ATMCPL.h" |
| 43 |
|
|
#endif |
| 44 |
|
|
|
| 45 |
|
|
C == Routine arguments == |
| 46 |
|
|
C tYear - Fraction into year |
| 47 |
|
|
C myTime - Current time of simulation ( s ) |
| 48 |
|
|
C myIter - Current iteration number in simulation |
| 49 |
|
|
C bi,bj - Tile index |
| 50 |
|
|
C myThid - Number of this instance of the routine |
| 51 |
|
|
INTEGER myIter, bi, bj, myThid |
| 52 |
|
|
_RL tYear, myTime |
| 53 |
|
|
|
| 54 |
|
|
#ifdef ALLOW_AIM |
| 55 |
|
|
C == Local variables == |
| 56 |
|
|
C i,j,k,I2 - Loop counters |
| 57 |
|
|
INTEGER i,j,I2 |
| 58 |
|
|
_RL SDEP1, IDEP2, SDEP2, SWWIL2, RSW, soilw_0, soilw_1 |
| 59 |
|
|
_RL DALB, RSD, alb_sea, alb_land |
| 60 |
|
|
|
| 61 |
|
|
C_EqCh: start |
| 62 |
|
|
CHARACTER*(MAX_LEN_MBUF) suff |
| 63 |
|
|
_RL xBump, yBump, dxBump, dyBump |
| 64 |
|
|
xBump = thetaMin + delX(1)*64. |
| 65 |
|
|
yBump = phiMin + delY(1)*11.5 |
| 66 |
|
|
dxBump= delX(1)*12. |
| 67 |
|
|
dyBump= delY(1)*6. |
| 68 |
|
|
C_EqCh: Fix solar insolation with Sun directly overhead on Equator |
| 69 |
|
|
tYear = 0.25 _d 0 - 10. _d 0/365. _d 0 |
| 70 |
|
|
C_EqCh: end |
| 71 |
|
|
|
| 72 |
|
|
IF (aim_useFMsurfBC) THEN |
| 73 |
|
|
C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
| 74 |
|
|
|
| 75 |
|
|
C-- Compute surface forcing at present time (linear Interp in time) |
| 76 |
|
|
C using F.Molteni surface BC form ; fields needed are: |
| 77 |
|
|
C 1. Land sea mask |
| 78 |
|
|
C 2. Sea Surface temperatures (in situ Temp. [K]) |
| 79 |
|
|
C 3. Land Surface temperatures (in situ Temp. [K]) |
| 80 |
|
|
C 4. Soil moisture (between 0-1) |
| 81 |
|
|
C 5. Snow depth, Sea Ice : used to compute albedo (=> local arrays) |
| 82 |
|
|
C 6. Albedo (between 0-1) |
| 83 |
|
|
|
| 84 |
|
|
C- Set Land-sea mask (in [0,1]) from aim_landFr to fMask1: |
| 85 |
|
|
DO j=1,sNy |
| 86 |
|
|
DO i=1,sNx |
| 87 |
|
|
I2 = i+(j-1)*sNx |
| 88 |
|
|
fMask1(I2,myThid) = aim_landFr(i,j,bi,bj) |
| 89 |
|
|
ENDDO |
| 90 |
|
|
ENDDO |
| 91 |
|
|
|
| 92 |
|
|
C- Surface Temperature: |
| 93 |
|
|
DO j=1,sNy |
| 94 |
|
|
DO i=1,sNx |
| 95 |
|
|
I2 = i+(j-1)*sNx |
| 96 |
|
|
sst1(I2,myThid) = aim_sWght0*aim_sst0(i,j,bi,bj) |
| 97 |
|
|
& + aim_sWght1*aim_sst1(i,j,bi,bj) |
| 98 |
|
|
stl1(I2,myThid) = aim_sWght0*aim_lst0(i,j,bi,bj) |
| 99 |
|
|
& + aim_sWght1*aim_lst1(i,j,bi,bj) |
| 100 |
|
|
ENDDO |
| 101 |
|
|
ENDDO |
| 102 |
|
|
|
| 103 |
|
|
C- Soil Water availability : (from F.M. INFORC S/R) |
| 104 |
|
|
SDEP1 = 70. _d 0 |
| 105 |
|
|
IDEP2 = 3. _d 0 |
| 106 |
|
|
SDEP2 = IDEP2*SDEP1 |
| 107 |
|
|
|
| 108 |
|
|
SWWIL2= SDEP2*SWWIL |
| 109 |
|
|
RSW = 1. _d 0/(SDEP1*SWCAP+SDEP2*(SWCAP-SWWIL)) |
| 110 |
|
|
|
| 111 |
|
|
DO j=1,sNy |
| 112 |
|
|
DO i=1,sNx |
| 113 |
|
|
I2 = i+(j-1)*sNx |
| 114 |
|
|
soilw_0 = ( aim_sw10(i,j,bi,bj) |
| 115 |
|
|
& +aim_veget(i,j,bi,bj)* |
| 116 |
|
|
& MAX(IDEP2*aim_sw20(i,j,bi,bj)-SWWIL2, 0. _d 0) |
| 117 |
|
|
& )*RSW |
| 118 |
|
|
soilw_1 = ( aim_sw11(i,j,bi,bj) |
| 119 |
|
|
& +aim_veget(i,j,bi,bj)* |
| 120 |
|
|
& MAX(IDEP2*aim_sw21(i,j,bi,bj)-SWWIL2, 0. _d 0) |
| 121 |
|
|
& )*RSW |
| 122 |
|
|
soilw1(I2,myThid) = aim_sWght0*soilw_0 |
| 123 |
|
|
& + aim_sWght1*soilw_1 |
| 124 |
|
|
soilw1(I2,myThid) = MIN(1. _d 0, soilw1(I2,myThid) ) |
| 125 |
|
|
ENDDO |
| 126 |
|
|
ENDDO |
| 127 |
|
|
|
| 128 |
|
|
C- Set snow depth & sea-ice fraction : |
| 129 |
|
|
DO j=1,sNy |
| 130 |
|
|
DO i=1,sNx |
| 131 |
|
|
I2 = i+(j-1)*sNx |
| 132 |
|
|
snow1(I2) = aim_sWght0*aim_snw0(i,j,bi,bj) |
| 133 |
|
|
& + aim_sWght1*aim_snw1(i,j,bi,bj) |
| 134 |
|
|
oice1(I2) = aim_sWght0*aim_oic0(i,j,bi,bj) |
| 135 |
|
|
& + aim_sWght1*aim_oic1(i,j,bi,bj) |
| 136 |
|
|
ENDDO |
| 137 |
|
|
ENDDO |
| 138 |
|
|
|
| 139 |
|
|
C- Surface Albedo : (from F.M. FORDATE S/R) |
| 140 |
|
|
DALB=ALBICE-ALBSEA |
| 141 |
|
|
RSD=1. _d 0/SDALB |
| 142 |
|
|
DO j=1,sNy |
| 143 |
|
|
DO i=1,sNx |
| 144 |
|
|
c_FM SNOWC=MIN(1.,RSD*SNOW1(I,J)) |
| 145 |
|
|
c_FM ALBL=ALB0(I,J)+MAX(ALBSN-ALB0(I,J),0.0)*SNOWC |
| 146 |
|
|
c_FM ALBS=ALBSEA+DALB*OICE1(I,J) |
| 147 |
|
|
c_FM ALB1(I,J)=FMASK1(I,J)*ALBL+FMASK0(I,J)*ALBS |
| 148 |
|
|
I2 = i+(j-1)*sNx |
| 149 |
|
|
alb_land = aim_albedo(i,j,bi,bj) |
| 150 |
|
|
& + MAX( 0. _d 0, ALBSN-aim_albedo(i,j,bi,bj) ) |
| 151 |
|
|
& *MIN( 1. _d 0, RSD*snow1(I2)) |
| 152 |
|
|
alb_sea = ALBSEA + DALB*oice1(I2) |
| 153 |
|
|
alb1(I2,myThid) = alb_sea |
| 154 |
|
|
& + (alb_land - alb_sea)*fMask1(I2,myThid) |
| 155 |
|
|
ENDDO |
| 156 |
|
|
ENDDO |
| 157 |
|
|
|
| 158 |
|
|
C-- else aim_useFMsurfBC |
| 159 |
|
|
ELSE |
| 160 |
|
|
C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
| 161 |
|
|
|
| 162 |
|
|
C- Set surface forcing fields needed by atmos. physics package |
| 163 |
|
|
C 1. Albedo (between 0-1) |
| 164 |
|
|
C 2. Sea Surface temperatures (in situ Temp. [K]) |
| 165 |
|
|
C 3. Land Surface temperatures (in situ Temp. [K]) |
| 166 |
|
|
C 4. Soil moisture (between 0-1) |
| 167 |
|
|
C 5. Land sea mask (infer from exact zeros in soil moisture) |
| 168 |
|
|
C Snow depth, Sea Ice (<- no need for now) |
| 169 |
|
|
|
| 170 |
|
|
C Set surface albedo data (in [0,1]) from aim_albedo to alb1 : |
| 171 |
|
|
IF (aim_useMMsurfFc) THEN |
| 172 |
|
|
DO j=1,sNy |
| 173 |
|
|
DO i=1,sNx |
| 174 |
|
|
I2 = i+(j-1)*sNx |
| 175 |
|
|
alb1(I2,myThid) = aim_albedo(i,j,bi,bj) |
| 176 |
|
|
ENDDO |
| 177 |
|
|
ENDDO |
| 178 |
|
|
ELSE |
| 179 |
|
|
DO j=1,sNy |
| 180 |
|
|
DO i=1,sNx |
| 181 |
|
|
I2 = i+(j-1)*sNx |
| 182 |
|
|
alb1(I2,myThid) = 0. |
| 183 |
|
|
ENDDO |
| 184 |
|
|
ENDDO |
| 185 |
|
|
ENDIF |
| 186 |
|
|
C Set surface temperature data from aim_S/LSurfTemp to sst1 & stl1 : |
| 187 |
|
|
IF (aim_useMMsurfFc) THEN |
| 188 |
|
|
DO j=1,sNy |
| 189 |
|
|
DO i=1,sNx |
| 190 |
|
|
I2 = i+(j-1)*sNx |
| 191 |
|
|
sst1(I2,myThid) = aim_surfTemp(i,j,bi,bj) |
| 192 |
|
|
stl1(I2,myThid) = aim_surfTemp(i,j,bi,bj) |
| 193 |
|
|
ENDDO |
| 194 |
|
|
ENDDO |
| 195 |
|
|
ELSE |
| 196 |
|
|
DO j=1,sNy |
| 197 |
|
|
DO i=1,sNx |
| 198 |
|
|
I2 = i+(j-1)*sNx |
| 199 |
|
|
sst1(I2,myThid) = 300. |
| 200 |
|
|
stl1(I2,myThid) = 300. |
| 201 |
|
|
C_EqCh: start |
| 202 |
|
|
sst1(I2,myThid) = 280. |
| 203 |
|
|
& +20. _d 0 *exp( -((xC(i,j,bi,bj)-xBump)/dxBump)**2 |
| 204 |
|
|
& -((yC(i,j,bi,bj)-yBump)/dyBump)**2 ) |
| 205 |
|
|
stl1(I2,myThid) = sst1(I2,myThid) |
| 206 |
|
|
C_EqCh: end |
| 207 |
|
|
ENDDO |
| 208 |
|
|
ENDDO |
| 209 |
|
|
C_EqCh: start |
| 210 |
|
|
IF (myIter.EQ.nIter0) THEN |
| 211 |
|
|
WRITE(suff,'(I10.10)') myIter |
| 212 |
|
|
CALL AIM_WRITE_LOCAL('aim_SST.',suff,1,sst1(1,myThid), |
| 213 |
|
|
& bi,bj,1,myIter,myThid) |
| 214 |
|
|
ENDIF |
| 215 |
|
|
C_EqCh: end |
| 216 |
|
|
ENDIF |
| 217 |
|
|
|
| 218 |
|
|
C- Set soil water availability (in [0,1]) from aim_soilWater to soilw1 : |
| 219 |
|
|
IF (aim_useMMsurfFc) THEN |
| 220 |
|
|
DO j=1,sNy |
| 221 |
|
|
DO i=1,sNx |
| 222 |
|
|
I2 = i+(j-1)*sNx |
| 223 |
|
|
soilw1(I2,myThid) = aim_soilWater(i,j,bi,bj) |
| 224 |
|
|
ENDDO |
| 225 |
|
|
ENDDO |
| 226 |
|
|
ELSE |
| 227 |
|
|
DO j=1,sNy |
| 228 |
|
|
DO i=1,sNx |
| 229 |
|
|
I2 = i+(j-1)*sNx |
| 230 |
|
|
soilw1(I2,myThid) = 0. |
| 231 |
|
|
ENDDO |
| 232 |
|
|
ENDDO |
| 233 |
|
|
ENDIF |
| 234 |
|
|
|
| 235 |
|
|
C- Set Land-sea mask (in [0,1]) |
| 236 |
|
|
C from aim_landFr to fMask1 (aim_useFMsurfBC) |
| 237 |
|
|
C or from where soil moisture is exactly zero (aim_useMMsurfFc) |
| 238 |
|
|
IF (aim_useMMsurfFc) THEN |
| 239 |
|
|
DO j=1,sNy |
| 240 |
|
|
DO i=1,sNx |
| 241 |
|
|
I2 = i+(j-1)*sNx |
| 242 |
|
|
fMask1(I2,myThid) = 1. |
| 243 |
|
|
IF ( soilw1(I2,myThid).EQ.0. ) fMask1(I2,myThid) = 0. |
| 244 |
|
|
ENDDO |
| 245 |
|
|
ENDDO |
| 246 |
|
|
ELSE |
| 247 |
|
|
DO j=1,sNy |
| 248 |
|
|
DO i=1,sNx |
| 249 |
|
|
I2 = i+(j-1)*sNx |
| 250 |
|
|
fMask1(I2,myThid) = 0. |
| 251 |
|
|
ENDDO |
| 252 |
|
|
ENDDO |
| 253 |
|
|
ENDIF |
| 254 |
|
|
|
| 255 |
|
|
C- Set Snow depth and Sea Ice |
| 256 |
|
|
C (not needed here since albedo is loaded from file) |
| 257 |
|
|
c DO j=1,sNy |
| 258 |
|
|
c DO i=1,sNx |
| 259 |
|
|
c I2 = i+(j-1)*sNx |
| 260 |
|
|
c oice1(I2,myThid) = 0. |
| 261 |
|
|
c snow1(I2,myThid) = 0. |
| 262 |
|
|
c ENDDO |
| 263 |
|
|
c ENDDO |
| 264 |
|
|
|
| 265 |
|
|
C-- endif/else aim_useFMsurfBC |
| 266 |
|
|
ENDIF |
| 267 |
|
|
|
| 268 |
|
|
#ifdef COMPONENT_MODULE |
| 269 |
|
|
IF ( useCoupler ) THEN |
| 270 |
|
|
IF ( useImportSST ) THEN |
| 271 |
|
|
DO J=1,sNy |
| 272 |
|
|
DO I=1,sNx |
| 273 |
|
|
|
| 274 |
|
|
c IF ( SSTocn(I,J,bi,bj) .NE. 0. ) THEN |
| 275 |
|
|
IF ( aim_landFr(i,j,bi,bj) .LT. 1. ) THEN |
| 276 |
|
|
I2 = (sNx)*(J-1)+I |
| 277 |
|
|
C-- take SST from the ocean compon. where Sea-Ice fraction is zero |
| 278 |
|
|
IF ( oice1(I2).EQ.0. ) THEN |
| 279 |
|
|
sst1(I2,myThid) = SSTocn(i,j,bi,bj)+celsius2K |
| 280 |
|
|
C-- take SST from the ocean compon. if clearly warmer than freezing |
| 281 |
|
|
C and reset sea-ice fraction & albedo |
| 282 |
|
|
ELSEIF ( SSTocn(i,j,bi,bj).GE. -1. _d 0) THEN |
| 283 |
|
|
sst1(I2,myThid) = SSTocn(i,j,bi,bj)+celsius2K |
| 284 |
|
|
IF (aim_useFMsurfBC) THEN |
| 285 |
|
|
oice1(I2) = 0. |
| 286 |
|
|
IF (aim_landFr(i,j,bi,bj).EQ. 0.) THEN |
| 287 |
|
|
alb1(I2,myThid) = ALBSEA |
| 288 |
|
|
ELSE |
| 289 |
|
|
C- note: this part never used with current coupled set-up (only full cell |
| 290 |
|
|
C land / sea) |
| 291 |
|
|
alb_land = aim_albedo(i,j,bi,bj) |
| 292 |
|
|
& + MAX( 0. _d 0, ALBSN-aim_albedo(i,j,bi,bj) ) |
| 293 |
|
|
& *MIN( 1. _d 0, RSD*snow1(I2)) |
| 294 |
|
|
alb_sea = ALBSEA + DALB*oice1(I2) |
| 295 |
|
|
alb1(I2,myThid) = alb_sea |
| 296 |
|
|
& + (alb_land - alb_sea)*fMask1(I2,myThid) |
| 297 |
|
|
ENDIF |
| 298 |
|
|
ENDIF |
| 299 |
|
|
ENDIF |
| 300 |
|
|
ENDIF |
| 301 |
|
|
|
| 302 |
|
|
ENDDO |
| 303 |
|
|
ENDDO |
| 304 |
|
|
ENDIF |
| 305 |
|
|
ENDIF |
| 306 |
|
|
#endif /* COMPONENT_MODULE */ |
| 307 |
|
|
|
| 308 |
|
|
#ifdef ALLOW_LAND |
| 309 |
|
|
IF (useLand) THEN |
| 310 |
|
|
C- Use land model output instead of prescribed Temp & moisture |
| 311 |
|
|
CALL AIM_LAND2AIM( myTime, myIter, bi, bj, myThid ) |
| 312 |
|
|
ENDIF |
| 313 |
|
|
#endif /* ALLOW_LAND */ |
| 314 |
|
|
|
| 315 |
|
|
#endif /* ALLOW_AIM */ |
| 316 |
|
|
|
| 317 |
|
|
RETURN |
| 318 |
|
|
END |
Parent Directory
| 
Revision Log
| 
Revision Graph