| 1 |
C $Header: /u/gcmpack/MITgcm_contrib/verification_other/shelfice_remeshing/code/ini_masks_remesh.F,v 1.2 2016/05/25 13:10:42 dgoldberg Exp $ |
| 2 |
C $Name: $ |
| 3 |
|
| 4 |
#include "PACKAGES_CONFIG.h" |
| 5 |
#include "CPP_OPTIONS.h" |
| 6 |
#include "SHELFICE_OPTIONS.h" |
| 7 |
|
| 8 |
CBOP |
| 9 |
C !ROUTINE: INI_MASKS_ETC |
| 10 |
C !INTERFACE: |
| 11 |
SUBROUTINE INI_MASKS_REMESH( myThid ) |
| 12 |
C !DESCRIPTION: \bv |
| 13 |
C *==========================================================* |
| 14 |
C | SUBROUTINE INI_MASKS_ETC |
| 15 |
C | o Initialise masks and topography factors |
| 16 |
C *==========================================================* |
| 17 |
C | These arrays are used throughout the code and describe |
| 18 |
C | the topography of the domain through masks (0s and 1s) |
| 19 |
C | and fractional height factors (0<hFac<1). The latter |
| 20 |
C | distinguish between the lopped-cell and full-step |
| 21 |
C | topographic representations. |
| 22 |
C *==========================================================* |
| 23 |
C \ev |
| 24 |
|
| 25 |
C !USES: |
| 26 |
IMPLICIT NONE |
| 27 |
C === Global variables === |
| 28 |
#include "SIZE.h" |
| 29 |
#include "EEPARAMS.h" |
| 30 |
#include "PARAMS.h" |
| 31 |
#include "GRID.h" |
| 32 |
#include "DYNVARS.h" |
| 33 |
#ifdef NONLIN_FRSURF |
| 34 |
# include "SURFACE.h" |
| 35 |
#endif /* NONLIN_FRSURF */ |
| 36 |
|
| 37 |
C !INPUT/OUTPUT PARAMETERS: |
| 38 |
C == Routine arguments == |
| 39 |
C myThid :: Number of this instance of INI_MASKS_ETC |
| 40 |
INTEGER myThid |
| 41 |
|
| 42 |
#ifdef ALLOW_SHELFICE |
| 43 |
#ifdef ALLOW_SHELFICE_REMESHING |
| 44 |
|
| 45 |
C !LOCAL VARIABLES: |
| 46 |
C == Local variables == |
| 47 |
C bi,bj :: tile indices |
| 48 |
C i,j,k :: Loop counters |
| 49 |
C tmpfld :: Temporary array used to compute & write Total Depth |
| 50 |
_RS tmpfld(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 51 |
|
| 52 |
_RS rsurftmp(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 53 |
|
| 54 |
INTEGER bi, bj |
| 55 |
INTEGER i, j, k, ks |
| 56 |
_RL hFacCtmp |
| 57 |
_RL hFacMnSz |
| 58 |
_RS hhm, hhp |
| 59 |
_RL Rmin_tmp |
| 60 |
CEOP |
| 61 |
|
| 62 |
|
| 63 |
C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
| 64 |
|
| 65 |
IF ( selectSigmaCoord.EQ.0 ) THEN |
| 66 |
C--- r-coordinate with partial-cell or full cell mask |
| 67 |
|
| 68 |
C-- Calculate lopping factor hFacC : over-estimate the part inside of the domain |
| 69 |
C taking into account the lower_R Boundary (Bathymetrie / Top of Atmos) |
| 70 |
DO bj=myByLo(myThid), myByHi(myThid) |
| 71 |
DO bi=myBxLo(myThid), myBxHi(myThid) |
| 72 |
DO k=1, Nr |
| 73 |
hFacMnSz=max( hFacMin, min(hFacMinDr*recip_drF(k),1. _d 0) ) |
| 74 |
DO j=1-OLy,sNy+OLy |
| 75 |
DO i=1-OLx,sNx+OLx |
| 76 |
C o Non-dimensional distance between grid bound. and domain lower_R bound. |
| 77 |
hFacCtmp = (rF(k)-R_low(i,j,bi,bj))*recip_drF(k) |
| 78 |
C o Select between, closed, open or partial (0,1,0-1) |
| 79 |
hFacCtmp=min( max( hFacCtmp, 0. _d 0) , 1. _d 0) |
| 80 |
C o Impose minimum fraction and/or size (dimensional) |
| 81 |
IF (hFacCtmp.LT.hFacMnSz) THEN |
| 82 |
IF (hFacCtmp.LT.hFacMnSz*0.5) THEN |
| 83 |
hFacC(i,j,k,bi,bj)=0. |
| 84 |
ELSE |
| 85 |
hFacC(i,j,k,bi,bj)=hFacMnSz |
| 86 |
ENDIF |
| 87 |
ELSE |
| 88 |
hFacC(i,j,k,bi,bj)=hFacCtmp |
| 89 |
ENDIF |
| 90 |
ENDDO |
| 91 |
ENDDO |
| 92 |
ENDDO |
| 93 |
|
| 94 |
C- Re-calculate lower-R Boundary position, taking into account hFacC |
| 95 |
DO j=1-OLy,sNy+OLy |
| 96 |
DO i=1-OLx,sNx+OLx |
| 97 |
R_low(i,j,bi,bj) = rF(1) |
| 98 |
ENDDO |
| 99 |
ENDDO |
| 100 |
DO k=Nr,1,-1 |
| 101 |
DO j=1-OLy,sNy+OLy |
| 102 |
DO i=1-OLx,sNx+OLx |
| 103 |
R_low(i,j,bi,bj) = R_low(i,j,bi,bj) |
| 104 |
& - drF(k)*hFacC(i,j,k,bi,bj) |
| 105 |
ENDDO |
| 106 |
ENDDO |
| 107 |
ENDDO |
| 108 |
C- end bi,bj loops. |
| 109 |
ENDDO |
| 110 |
ENDDO |
| 111 |
|
| 112 |
C-- Calculate lopping factor hFacC : Remove part outside of the domain |
| 113 |
C taking into account the Reference (=at rest) Surface Position Ro_surf |
| 114 |
DO bj=myByLo(myThid), myByHi(myThid) |
| 115 |
DO bi=myBxLo(myThid), myBxHi(myThid) |
| 116 |
DO k=1, Nr |
| 117 |
hFacMnSz=max( hFacMin, min(hFacMinDr*recip_drF(k),1. _d 0) ) |
| 118 |
DO j=1-OLy,sNy+OLy |
| 119 |
DO i=1-OLx,sNx+OLx |
| 120 |
C JJ HACK |
| 121 |
Ro_surf(i,j,bi,bj)=0.0 |
| 122 |
C o Non-dimensional distance between grid boundary and model surface |
| 123 |
hFacCtmp = (rF(k)-Ro_surf(i,j,bi,bj))*recip_drF(k) |
| 124 |
C o Reduce the previous fraction : substract the outside part. |
| 125 |
hFacCtmp = hFacC(i,j,k,bi,bj) - max( hFacCtmp, 0. _d 0) |
| 126 |
C o set to zero if empty Column : |
| 127 |
hFacCtmp = max( hFacCtmp, 0. _d 0) |
| 128 |
C o Impose minimum fraction and/or size (dimensional) |
| 129 |
IF (hFacCtmp.LT.hFacMnSz) THEN |
| 130 |
IF (hFacCtmp.LT.hFacMnSz*0.5) THEN |
| 131 |
hFacC(i,j,k,bi,bj)=0. |
| 132 |
ELSE |
| 133 |
hFacC(i,j,k,bi,bj)=hFacMnSz |
| 134 |
ENDIF |
| 135 |
ELSE |
| 136 |
hFacC(i,j,k,bi,bj)=hFacCtmp |
| 137 |
ENDIF |
| 138 |
ENDDO |
| 139 |
ENDDO |
| 140 |
ENDDO |
| 141 |
ENDDO |
| 142 |
ENDDO |
| 143 |
|
| 144 |
#ifdef ALLOW_SHELFICE |
| 145 |
|
| 146 |
IF ( useShelfIce ) THEN |
| 147 |
C-- Modify lopping factor hFacC : Remove part outside of the domain |
| 148 |
C taking into account the Reference (=at rest) Surface Position Ro_shelfIce |
| 149 |
CALL SHELFICE_UPDATE_MASKS_REMESH( |
| 150 |
I rF, recip_drF, drF, kLowc, |
| 151 |
U hFacC, |
| 152 |
I myThid ) |
| 153 |
ENDIF |
| 154 |
#endif /* ALLOW_SHELFICE */ |
| 155 |
|
| 156 |
|
| 157 |
|
| 158 |
C- Re-calculate Reference surface position, taking into account hFacC |
| 159 |
C initialize Total column fluid thickness and surface k index |
| 160 |
C Note: if no fluid (continent) ==> kSurf = Nr+1 |
| 161 |
DO bj=myByLo(myThid), myByHi(myThid) |
| 162 |
DO bi=myBxLo(myThid), myBxHi(myThid) |
| 163 |
DO j=1-OLy,sNy+OLy |
| 164 |
DO i=1-OLx,sNx+OLx |
| 165 |
tmpfld(i,j,bi,bj) = 0. |
| 166 |
kSurfC(i,j,bi,bj) = Nr+1 |
| 167 |
c maskH(i,j,bi,bj) = 0. |
| 168 |
Ro_surf(i,j,bi,bj) = R_low(i,j,bi,bj) |
| 169 |
DO k=Nr,1,-1 |
| 170 |
Ro_surf(i,j,bi,bj) = Ro_surf(i,j,bi,bj) |
| 171 |
& + drF(k)*hFacC(i,j,k,bi,bj) |
| 172 |
IF (hFacC(i,j,k,bi,bj).NE.0.) THEN |
| 173 |
kSurfC(i,j,bi,bj) = k |
| 174 |
c maskH(i,j,bi,bj) = 1. |
| 175 |
tmpfld(i,j,bi,bj) = tmpfld(i,j,bi,bj) + 1. |
| 176 |
ENDIF |
| 177 |
ENDDO |
| 178 |
kLowC(i,j,bi,bj) = 0 |
| 179 |
DO k= 1, Nr |
| 180 |
IF (hFacC(i,j,k,bi,bj).NE.0) THEN |
| 181 |
kLowC(i,j,bi,bj) = k |
| 182 |
ENDIF |
| 183 |
ENDDO |
| 184 |
maskInC(i,j,bi,bj)= 0. |
| 185 |
IF ( kSurfC(i,j,bi,bj).LE.Nr ) maskInC(i,j,bi,bj)= 1. |
| 186 |
ENDDO |
| 187 |
ENDDO |
| 188 |
C- end bi,bj loops. |
| 189 |
ENDDO |
| 190 |
ENDDO |
| 191 |
|
| 192 |
|
| 193 |
IF ( printDomain ) THEN |
| 194 |
c CALL PLOT_FIELD_XYRS( tmpfld, |
| 195 |
c & 'Model Depths K Index' , -1, myThid ) |
| 196 |
CALL PLOT_FIELD_XYRS(R_low, |
| 197 |
& 'Model R_low (ini_masks_etc)', -1, myThid ) |
| 198 |
CALL PLOT_FIELD_XYRS(Ro_surf, |
| 199 |
& 'Model Ro_surf (ini_masks_etc)', -1, myThid ) |
| 200 |
ENDIF |
| 201 |
|
| 202 |
C-- Calculate quantities derived from XY depth map |
| 203 |
DO bj = myByLo(myThid), myByHi(myThid) |
| 204 |
DO bi = myBxLo(myThid), myBxHi(myThid) |
| 205 |
DO j=1-OLy,sNy+OLy |
| 206 |
DO i=1-OLx,sNx+OLx |
| 207 |
C Total fluid column thickness (r_unit) : |
| 208 |
c Rcolumn(i,j,bi,bj)= Ro_surf(i,j,bi,bj) - R_low(i,j,bi,bj) |
| 209 |
tmpfld(i,j,bi,bj) = Ro_surf(i,j,bi,bj) - R_low(i,j,bi,bj) |
| 210 |
C Inverse of fluid column thickness (1/r_unit) |
| 211 |
IF ( tmpfld(i,j,bi,bj) .LE. 0. ) THEN |
| 212 |
recip_Rcol(i,j,bi,bj) = 0. |
| 213 |
ELSE |
| 214 |
recip_Rcol(i,j,bi,bj) = 1. _d 0 / tmpfld(i,j,bi,bj) |
| 215 |
ENDIF |
| 216 |
ENDDO |
| 217 |
ENDDO |
| 218 |
ENDDO |
| 219 |
ENDDO |
| 220 |
|
| 221 |
C-- hFacW and hFacS (at U and V points) |
| 222 |
DO bj=myByLo(myThid), myByHi(myThid) |
| 223 |
DO bi=myBxLo(myThid), myBxHi(myThid) |
| 224 |
DO k=1, Nr |
| 225 |
DO j=1-OLy,sNy+OLy |
| 226 |
hFacW(1-OLx,j,k,bi,bj)= 0. |
| 227 |
DO i=2-OLx,sNx+OLx |
| 228 |
hFacW(i,j,k,bi,bj)= |
| 229 |
& MIN(hFacC(i,j,k,bi,bj),hFacC(i-1,j,k,bi,bj)) |
| 230 |
ENDDO |
| 231 |
ENDDO |
| 232 |
DO i=1-OLx,sNx+OLx |
| 233 |
hFacS(i,1-OLy,k,bi,bj)= 0. |
| 234 |
ENDDO |
| 235 |
DO j=2-OLy,sNy+oly |
| 236 |
DO i=1-OLx,sNx+OLx |
| 237 |
hFacS(i,j,k,bi,bj)= |
| 238 |
& MIN(hFacC(i,j,k,bi,bj),hFacC(i,j-1,k,bi,bj)) |
| 239 |
ENDDO |
| 240 |
ENDDO |
| 241 |
ENDDO |
| 242 |
C rLow & reference rSurf at Western & Southern edges (U and V points) |
| 243 |
i = 1-OLx |
| 244 |
DO j=1-OLy,sNy+OLy |
| 245 |
rLowW (i,j,bi,bj) = 0. |
| 246 |
rSurfW(i,j,bi,bj) = 0. |
| 247 |
ENDDO |
| 248 |
j = 1-OLy |
| 249 |
DO i=1-OLx,sNx+OLx |
| 250 |
rLowS (i,j,bi,bj) = 0. |
| 251 |
rSurfS(i,j,bi,bj) = 0. |
| 252 |
ENDDO |
| 253 |
DO j=1-OLy,sNy+OLy |
| 254 |
DO i=2-OLx,sNx+OLx |
| 255 |
rLowW(i,j,bi,bj) = |
| 256 |
& MAX( R_low(i-1,j,bi,bj), R_low(i,j,bi,bj) ) |
| 257 |
rSurfW(i,j,bi,bj) = |
| 258 |
& MIN( Ro_surf(i-1,j,bi,bj), Ro_surf(i,j,bi,bj) ) |
| 259 |
rSurfW(i,j,bi,bj) = |
| 260 |
& MAX( rSurfW(i,j,bi,bj), rLowW(i,j,bi,bj) ) |
| 261 |
ENDDO |
| 262 |
ENDDO |
| 263 |
DO j=2-OLy,sNy+OLy |
| 264 |
DO i=1-OLx,sNx+OLx |
| 265 |
rLowS(i,j,bi,bj) = |
| 266 |
& MAX( R_low(i,j-1,bi,bj), R_low(i,j,bi,bj) ) |
| 267 |
rSurfS(i,j,bi,bj) = |
| 268 |
& MIN( Ro_surf(i,j-1,bi,bj), Ro_surf(i,j,bi,bj) ) |
| 269 |
rSurfS(i,j,bi,bj) = |
| 270 |
& MAX( rSurfS(i,j,bi,bj), rLowS(i,j,bi,bj) ) |
| 271 |
ENDDO |
| 272 |
ENDDO |
| 273 |
C- end bi,bj loops. |
| 274 |
ENDDO |
| 275 |
ENDDO |
| 276 |
CALL EXCH_UV_XYZ_RS(hFacW,hFacS,.FALSE.,myThid) |
| 277 |
CALL EXCH_UV_XY_RS( rSurfW, rSurfS, .FALSE., myThid ) |
| 278 |
CALL EXCH_UV_XY_RS( rLowW, rLowS, .FALSE., myThid ) |
| 279 |
|
| 280 |
C-- Addtional closing of Western and Southern grid-cell edges: for example, |
| 281 |
C a) might add some "thin walls" in specific location |
| 282 |
C-- b) close non-periodic N & S boundaries of lat-lon grid at the N/S poles. |
| 283 |
CALL ADD_WALLS2MASKS( myThid ) |
| 284 |
|
| 285 |
C-- Calculate surface k index for interface W & S (U & V points) |
| 286 |
DO bj=myByLo(myThid), myByHi(myThid) |
| 287 |
DO bi=myBxLo(myThid), myBxHi(myThid) |
| 288 |
DO j=1-OLy,sNy+OLy |
| 289 |
DO i=1-OLx,sNx+OLx |
| 290 |
kSurfW(i,j,bi,bj) = Nr+1 |
| 291 |
kSurfS(i,j,bi,bj) = Nr+1 |
| 292 |
DO k=Nr,1,-1 |
| 293 |
IF (hFacW(i,j,k,bi,bj).NE.0.) kSurfW(i,j,bi,bj) = k |
| 294 |
IF (hFacS(i,j,k,bi,bj).NE.0.) kSurfS(i,j,bi,bj) = k |
| 295 |
ENDDO |
| 296 |
maskInW(i,j,bi,bj)= 0. |
| 297 |
IF ( kSurfW(i,j,bi,bj).LE.Nr ) maskInW(i,j,bi,bj)= 1. |
| 298 |
maskInS(i,j,bi,bj)= 0. |
| 299 |
IF ( kSurfS(i,j,bi,bj).LE.Nr ) maskInS(i,j,bi,bj)= 1. |
| 300 |
ENDDO |
| 301 |
ENDDO |
| 302 |
ENDDO |
| 303 |
ENDDO |
| 304 |
|
| 305 |
ELSE |
| 306 |
#ifndef DISABLE_SIGMA_CODE |
| 307 |
C--- Sigma and Hybrid-Sigma set-up: |
| 308 |
CALL INI_SIGMA_HFAC( myThid ) |
| 309 |
#endif /* DISABLE_SIGMA_CODE */ |
| 310 |
ENDIF |
| 311 |
|
| 312 |
C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
| 313 |
|
| 314 |
C-- Write to disk: Total Column Thickness & hFac(C,W,S): |
| 315 |
C This I/O is now done in write_grid.F |
| 316 |
c CALL WRITE_FLD_XY_RS( 'Depth',' ',tmpfld,0,myThid) |
| 317 |
c CALL WRITE_FLD_XYZ_RS( 'hFacC',' ',hFacC,0,myThid) |
| 318 |
c CALL WRITE_FLD_XYZ_RS( 'hFacW',' ',hFacW,0,myThid) |
| 319 |
c CALL WRITE_FLD_XYZ_RS( 'hFacS',' ',hFacS,0,myThid) |
| 320 |
|
| 321 |
IF ( printDomain ) THEN |
| 322 |
CALL PLOT_FIELD_XYZRS( hFacC, 'hFacC' , Nr, 0, myThid ) |
| 323 |
CALL PLOT_FIELD_XYZRS( hFacW, 'hFacW' , Nr, 0, myThid ) |
| 324 |
CALL PLOT_FIELD_XYZRS( hFacS, 'hFacS' , Nr, 0, myThid ) |
| 325 |
ENDIF |
| 326 |
|
| 327 |
C-- Masks and reciprocals of hFac[CWS] |
| 328 |
DO bj = myByLo(myThid), myByHi(myThid) |
| 329 |
DO bi = myBxLo(myThid), myBxHi(myThid) |
| 330 |
DO k=1,Nr |
| 331 |
DO j=1-OLy,sNy+OLy |
| 332 |
DO i=1-OLx,sNx+OLx |
| 333 |
IF (hFacC(i,j,k,bi,bj) .NE. 0. ) THEN |
| 334 |
recip_hFacC(i,j,k,bi,bj) = 1. _d 0 / hFacC(i,j,k,bi,bj) |
| 335 |
maskC(i,j,k,bi,bj) = 1. |
| 336 |
ELSE |
| 337 |
recip_hFacC(i,j,k,bi,bj) = 0. |
| 338 |
maskC(i,j,k,bi,bj) = 0. |
| 339 |
ENDIF |
| 340 |
IF (hFacW(i,j,k,bi,bj) .NE. 0. ) THEN |
| 341 |
recip_hFacW(i,j,k,bi,bj) = 1. _d 0 / hFacW(i,j,k,bi,bj) |
| 342 |
maskW(i,j,k,bi,bj) = 1. |
| 343 |
ELSE |
| 344 |
recip_hFacW(i,j,k,bi,bj) = 0. |
| 345 |
maskW(i,j,k,bi,bj) = 0. |
| 346 |
ENDIF |
| 347 |
IF (hFacS(i,j,k,bi,bj) .NE. 0. ) THEN |
| 348 |
recip_hFacS(i,j,k,bi,bj) = 1. _d 0 / hFacS(i,j,k,bi,bj) |
| 349 |
maskS(i,j,k,bi,bj) = 1. |
| 350 |
ELSE |
| 351 |
recip_hFacS(i,j,k,bi,bj) = 0. |
| 352 |
maskS(i,j,k,bi,bj) = 0. |
| 353 |
ENDIF |
| 354 |
ENDDO |
| 355 |
ENDDO |
| 356 |
ENDDO |
| 357 |
#ifdef NONLIN_FRSURF |
| 358 |
C-- Save initial geometrical hFac factor into h0Fac (fixed in time): |
| 359 |
C Note: In case 1 pkg modifies hFac (from packages_init_fixed, called |
| 360 |
C later in sequence of calls) this pkg would need also to update h0Fac. |
| 361 |
DO k=1,Nr |
| 362 |
DO j=1-OLy,sNy+OLy |
| 363 |
DO i=1-OLx,sNx+OLx |
| 364 |
h0FacC(i,j,k,bi,bj) = _hFacC(i,j,k,bi,bj) |
| 365 |
h0FacW(i,j,k,bi,bj) = _hFacW(i,j,k,bi,bj) |
| 366 |
h0FacS(i,j,k,bi,bj) = _hFacS(i,j,k,bi,bj) |
| 367 |
ENDDO |
| 368 |
ENDDO |
| 369 |
ENDDO |
| 370 |
#endif /* NONLIN_FRSURF */ |
| 371 |
C- end bi,bj loops. |
| 372 |
ENDDO |
| 373 |
ENDDO |
| 374 |
|
| 375 |
|
| 376 |
DO bj = myByLo(myThid), myByHi(myThid) |
| 377 |
DO bi = myBxLo(myThid), myBxHi(myThid) |
| 378 |
DO k=1,Nr |
| 379 |
DO j=1-OLy,sNy+OLy |
| 380 |
DO i=1-OLx,sNx+OLx |
| 381 |
uVel(i,j,k,bi,bj)=uVel(i,j,k,bi,bj)*maskW(i,j,k,bi,bj) |
| 382 |
vVel(i,j,k,bi,bj)=vVel(i,j,k,bi,bj)*maskS(i,j,k,bi,bj) |
| 383 |
wVel(i,j,k,bi,bj)=0.0 |
| 384 |
salt(i,j,k,bi,bj)=salt(i,j,k,bi,bj)*maskC(i,j,k,bi,bj) |
| 385 |
theta(i,j,k,bi,bj)=theta(i,j,k,bi,bj)*maskC(i,j,k,bi,bj) |
| 386 |
|
| 387 |
ENDDO |
| 388 |
ENDDO |
| 389 |
ENDDO |
| 390 |
ENDDO |
| 391 |
ENDDO |
| 392 |
|
| 393 |
|
| 394 |
|
| 395 |
DO bj = myByLo(myThid), myByHi(myThid) |
| 396 |
DO bi = myBxLo(myThid), myBxHi(myThid) |
| 397 |
DO j=1,sNy |
| 398 |
DO i=1,sNx+1 |
| 399 |
ks = kSurfW(i,j,bi,bj) |
| 400 |
IF (ks.LE.Nr) THEN |
| 401 |
c- allows hFacW to be larger than surrounding hFacC=1 @ edge of a step with |
| 402 |
C different kSurfC on either side (topo in p-coords, ice-shelf in z-coords) |
| 403 |
hhm = Ro_surf(i-1,j,bi,bj)+etaN(i-1,j,bi,bj) |
| 404 |
|
| 405 |
hhp = Ro_surf(i,j,bi,bj)+etaN(i,j,bi,bj) |
| 406 |
|
| 407 |
C- make sure hFacW is not larger than the 2 surrounding hFacC |
| 408 |
c hhm = rF(ks) |
| 409 |
c IF(ks.EQ.kSurfC(i-1,j,bi,bj)) hhm = rSurftmp(i-1,j) |
| 410 |
c hhp = rF(ks) |
| 411 |
c IF(ks.EQ.kSurfC(i,j,bi,bj)) hhp = rSurftmp(i,j) |
| 412 |
hFac_surfW(i,j,bi,bj) = h0FacW(i,j,ks,bi,bj) |
| 413 |
& + ( MIN(hhm,hhp) |
| 414 |
& - MIN( Ro_surf(i-1,j,bi,bj), Ro_surf(i,j,bi,bj) ) |
| 415 |
& )*recip_drF(ks)*maskW(i,j,ks,bi,bj) |
| 416 |
ENDIF |
| 417 |
ENDDO |
| 418 |
ENDDO |
| 419 |
|
| 420 |
DO j=1,sNy+1 |
| 421 |
DO i=1,sNx |
| 422 |
ks = kSurfS(i,j,bi,bj) |
| 423 |
IF (ks.LE.Nr) THEN |
| 424 |
C- allows hFacS to be larger than surrounding hFacC=1 @ edge of a step with |
| 425 |
C different kSurfC on either side (topo in p-coords, ice-shelf in z-coords) |
| 426 |
hhm = Ro_surf(i,j-1,bi,bj)+etaN(i,j-1,bi,bj) |
| 427 |
|
| 428 |
hhp = Ro_surf(i,j,bi,bj)+etaN(i,j,bi,bj) |
| 429 |
|
| 430 |
C- make sure hFacS is not larger than the 2 surrounding hFacC |
| 431 |
c hhm = rF(ks) |
| 432 |
c IF(ks.EQ.kSurfC(i,j-1,bi,bj)) hhm = rSurftmp(i,j-1) |
| 433 |
c hhp = rF(ks) |
| 434 |
c IF(ks.EQ.kSurfC(i,j,bi,bj)) hhp = rSurftmp(i,j) |
| 435 |
hFac_surfS(i,j,bi,bj) = h0FacS(i,j,ks,bi,bj) |
| 436 |
& + ( MIN(hhm,hhp) |
| 437 |
& - MIN( Ro_surf(i,j-1,bi,bj), Ro_surf(i,j,bi,bj) ) |
| 438 |
& )*recip_drF(ks)*maskS(i,j,ks,bi,bj) |
| 439 |
ENDIF |
| 440 |
ENDDO |
| 441 |
ENDDO |
| 442 |
ENDDO |
| 443 |
ENDDO |
| 444 |
|
| 445 |
#ifdef NONLIN_FRSURF |
| 446 |
|
| 447 |
DO bj=myByLo(myThid), myByHi(myThid) |
| 448 |
DO bi=myBxLo(myThid), myBxHi(myThid) |
| 449 |
|
| 450 |
C-- Compute the mimimum value of r_surf (used for computing hFac_surfC) |
| 451 |
DO j=1,sNy |
| 452 |
DO i=1,sNx |
| 453 |
ks = kSurfC(i,j,bi,bj) |
| 454 |
IF (ks.LE.Nr) THEN |
| 455 |
Rmin_tmp = rF(ks+1) |
| 456 |
IF ( ks.EQ.kSurfW(i,j,bi,bj)) |
| 457 |
& Rmin_tmp = MAX(Rmin_tmp, R_low(i-1,j,bi,bj)) |
| 458 |
IF ( ks.EQ.kSurfW(i+1,j,bi,bj)) |
| 459 |
& Rmin_tmp = MAX(Rmin_tmp, R_low(i+1,j,bi,bj)) |
| 460 |
IF ( ks.EQ.kSurfS(i,j,bi,bj)) |
| 461 |
& Rmin_tmp = MAX(Rmin_tmp, R_low(i,j-1,bi,bj)) |
| 462 |
IF ( ks.EQ.kSurfS(i,j+1,bi,bj)) |
| 463 |
& Rmin_tmp = MAX(Rmin_tmp, R_low(i,j+1,bi,bj)) |
| 464 |
|
| 465 |
Rmin_surf(i,j,bi,bj) = |
| 466 |
& MAX( MAX(rF(ks+1),R_low(i,j,bi,bj)) + hFacInf*drF(ks), |
| 467 |
& Rmin_tmp + hFacInf*drF(ks) |
| 468 |
& ) |
| 469 |
|
| 470 |
ENDIF |
| 471 |
ENDDO |
| 472 |
ENDDO |
| 473 |
|
| 474 |
C- end bi,bj loop. |
| 475 |
ENDDO |
| 476 |
ENDDO |
| 477 |
|
| 478 |
CALL EXCH_XY_RL( Rmin_surf, myThid ) |
| 479 |
|
| 480 |
#endif /* NONLIN_FRSURF */ |
| 481 |
|
| 482 |
|
| 483 |
c #if |
| 484 |
C-- Calculate "recip_hFacU" = reciprocal hfac distance/volume for W cells |
| 485 |
C NOTE: not used ; computed locally in CALC_GW |
| 486 |
c #endif |
| 487 |
|
| 488 |
#endif |
| 489 |
#endif |
| 490 |
|
| 491 |
RETURN |
| 492 |
END |
Parent Directory
| 
Revision Log
| 
Revision Graph