| 1 |
dgoldberg |
1.5 |
C $Header: /u/gcmpack/MITgcm/pkg/streamice/streamice_adv_front.F,v 1.4 2016/10/20 15:24:24 dgoldberg Exp $ |
| 2 |
dgoldberg |
1.1 |
C $Name: $ |
| 3 |
|
|
|
| 4 |
|
|
#include "STREAMICE_OPTIONS.h" |
| 5 |
jmc |
1.3 |
#ifdef ALLOW_AUTODIFF |
| 6 |
|
|
# include "AUTODIFF_OPTIONS.h" |
| 7 |
|
|
#endif |
| 8 |
dgoldberg |
1.1 |
|
| 9 |
|
|
C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
| 10 |
|
|
|
| 11 |
|
|
CBOP |
| 12 |
jmc |
1.3 |
SUBROUTINE STREAMICE_ADV_FRONT ( |
| 13 |
|
|
& myThid, |
| 14 |
dgoldberg |
1.1 |
& time_step, |
| 15 |
|
|
& hflux_x_si, |
| 16 |
|
|
& hflux_y_si ) |
| 17 |
|
|
|
| 18 |
|
|
C /============================================================\ |
| 19 |
jmc |
1.3 |
C | SUBROUTINE | |
| 20 |
dgoldberg |
1.1 |
C | o | |
| 21 |
|
|
C |============================================================| |
| 22 |
|
|
C | | |
| 23 |
|
|
C \============================================================/ |
| 24 |
|
|
IMPLICIT NONE |
| 25 |
|
|
|
| 26 |
|
|
C === Global variables === |
| 27 |
|
|
#include "SIZE.h" |
| 28 |
|
|
#include "GRID.h" |
| 29 |
|
|
#include "EEPARAMS.h" |
| 30 |
|
|
#include "PARAMS.h" |
| 31 |
|
|
#include "STREAMICE.h" |
| 32 |
|
|
#include "STREAMICE_ADV.h" |
| 33 |
|
|
#ifdef ALLOW_AUTODIFF_TAMC |
| 34 |
|
|
# include "tamc.h" |
| 35 |
|
|
#endif |
| 36 |
|
|
|
| 37 |
|
|
INTEGER myThid |
| 38 |
|
|
_RL time_step |
| 39 |
|
|
_RL hflux_x_SI (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 40 |
|
|
_RL hflux_y_SI (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 41 |
|
|
|
| 42 |
|
|
#ifdef ALLOW_STREAMICE |
| 43 |
|
|
|
| 44 |
|
|
INTEGER i, j, bi, bj, k, iter_count, iter_rpt |
| 45 |
|
|
INTEGER Gi, Gj |
| 46 |
|
|
INTEGER new_partial(4) |
| 47 |
|
|
INTEGER ikey_front, ikey_1 |
| 48 |
|
|
_RL iter_flag |
| 49 |
|
|
_RL n_flux_1, n_flux_2 |
| 50 |
|
|
_RL href, rho, partial_vol, tot_flux, hpot |
| 51 |
|
|
CHARACTER*(MAX_LEN_MBUF) msgBuf |
| 52 |
|
|
_RL hflux_x_SI2 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 53 |
|
|
_RL hflux_y_SI2 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 54 |
|
|
|
| 55 |
|
|
rho = streamice_density |
| 56 |
|
|
cph iter_count = 0 |
| 57 |
|
|
iter_flag = 1. _d 0 |
| 58 |
|
|
iter_rpt = 0 |
| 59 |
|
|
|
| 60 |
|
|
DO bj=myByLo(myThid),myByHi(myThid) |
| 61 |
|
|
DO bi=myBxLo(myThid),myBxHi(myThid) |
| 62 |
|
|
DO j=1-OLy,sNy+OLy |
| 63 |
|
|
DO i=1-OLx,sNx+OLx |
| 64 |
|
|
hflux_x_SI2(i,j,bi,bj) = 0. _d 0 |
| 65 |
|
|
hflux_y_SI2(i,j,bi,bj) = 0. _d 0 |
| 66 |
|
|
ENDDO |
| 67 |
|
|
ENDDO |
| 68 |
|
|
ENDDO |
| 69 |
|
|
ENDDO |
| 70 |
|
|
|
| 71 |
|
|
DO iter_count = 0, 3 |
| 72 |
|
|
|
| 73 |
|
|
#ifdef ALLOW_AUTODIFF_TAMC |
| 74 |
|
|
ikey_front = (ikey_dynamics-1)*4 + iter_count + 1 |
| 75 |
jmc |
1.3 |
CADJ STORE area_shelf_streamice |
| 76 |
dgoldberg |
1.1 |
CADJ & = comlev1_stream_front, key = ikey_front |
| 77 |
|
|
CADJ STORE h_streamice |
| 78 |
|
|
CADJ & = comlev1_stream_front, key = ikey_front |
| 79 |
|
|
CADJ STORE hflux_x_si |
| 80 |
|
|
CADJ & = comlev1_stream_front, key = ikey_front |
| 81 |
|
|
CADJ STORE hflux_x_si2 |
| 82 |
|
|
CADJ & = comlev1_stream_front, key = ikey_front |
| 83 |
|
|
CADJ STORE hflux_y_si |
| 84 |
|
|
CADJ & = comlev1_stream_front, key = ikey_front |
| 85 |
|
|
CADJ STORE hflux_y_si2 |
| 86 |
|
|
CADJ & = comlev1_stream_front, key = ikey_front |
| 87 |
|
|
CADJ STORE streamice_hmask |
| 88 |
|
|
CADJ & = comlev1_stream_front, key = ikey_front |
| 89 |
|
|
CADJ STORE iter_flag |
| 90 |
|
|
CADJ & = comlev1_stream_front, key = ikey_front |
| 91 |
|
|
#endif |
| 92 |
|
|
|
| 93 |
|
|
IF ( iter_flag .GT. 0. ) THEN |
| 94 |
|
|
|
| 95 |
|
|
iter_flag = 0. _d 0 |
| 96 |
|
|
|
| 97 |
|
|
IF (iter_count .gt. 0) then |
| 98 |
|
|
DO bj=myByLo(myThid),myByHi(myThid) |
| 99 |
|
|
DO bi=myBxLo(myThid),myBxHi(myThid) |
| 100 |
|
|
DO j=1-OLy,sNy+OLy |
| 101 |
|
|
DO i=1-OLx,sNx+OLx |
| 102 |
|
|
hflux_x_SI(i,j,bi,bj)=hflux_x_SI2(i,j,bi,bj) |
| 103 |
|
|
hflux_y_SI(i,j,bi,bj)=hflux_y_SI2(i,j,bi,bj) |
| 104 |
|
|
hflux_x_SI2(i,j,bi,bj) = 0. _d 0 |
| 105 |
|
|
hflux_y_SI2(i,j,bi,bj) = 0. _d 0 |
| 106 |
|
|
ENDDO |
| 107 |
|
|
ENDDO |
| 108 |
|
|
ENDDO |
| 109 |
jmc |
1.3 |
ENDDO |
| 110 |
dgoldberg |
1.1 |
ENDIF |
| 111 |
|
|
|
| 112 |
|
|
! iter_count = iter_count + 1 |
| 113 |
|
|
iter_rpt = iter_rpt + 1 |
| 114 |
|
|
|
| 115 |
|
|
DO bj=myByLo(myThid),myByHi(myThid) |
| 116 |
|
|
DO bi=myBxLo(myThid),myBxHi(myThid) |
| 117 |
|
|
|
| 118 |
|
|
DO j=1-1,sNy+1 |
| 119 |
|
|
Gj = (myYGlobalLo-1)+(bj-1)*sNy+j |
| 120 |
|
|
IF ((Gj .ge. 1) .and. (Gj .le. Ny)) THEN |
| 121 |
|
|
DO i=1-1,sNx+1 |
| 122 |
|
|
Gi = (myXGlobalLo-1)+(bi-1)*sNx+i |
| 123 |
|
|
|
| 124 |
|
|
#ifdef ALLOW_AUTODIFF_TAMC |
| 125 |
|
|
act1 = bi - myBxLo(myThid) |
| 126 |
|
|
max1 = myBxHi(myThid) - myBxLo(myThid) + 1 |
| 127 |
|
|
act2 = bj - myByLo(myThid) |
| 128 |
|
|
max2 = myByHi(myThid) - myByLo(myThid) + 1 |
| 129 |
|
|
act3 = myThid - 1 |
| 130 |
|
|
max3 = nTx*nTy |
| 131 |
|
|
act4 = ikey_front - 1 |
| 132 |
|
|
ikey_1 = i + 1 |
| 133 |
|
|
& + (sNx+2)*(j) |
| 134 |
|
|
& + (sNx+2)*(sNy+2)*act1 |
| 135 |
|
|
& + (sNx+2)*(sNy+2)*max1*act2 |
| 136 |
|
|
& + (sNx+2)*(sNy+2)*max1*max2*act3 |
| 137 |
|
|
& + (sNx+2)*(sNy+2)*max1*max2*max3*act4 |
| 138 |
|
|
CADJ STORE area_shelf_streamice(i,j,bi,bj) |
| 139 |
|
|
CADJ & = comlev1_stream_ij, key = ikey_1 |
| 140 |
|
|
CADJ STORE h_streamice(i,j,bi,bj) |
| 141 |
|
|
CADJ & = comlev1_stream_ij, key = ikey_1 |
| 142 |
|
|
CADJ STORE hflux_x_si(i,j,bi,bj) |
| 143 |
|
|
CADJ & = comlev1_stream_ij, key = ikey_1 |
| 144 |
|
|
CADJ STORE hflux_y_si(i,j,bi,bj) |
| 145 |
|
|
CADJ & = comlev1_stream_ij, key = ikey_1 |
| 146 |
|
|
CADJ STORE streamice_hmask(i,j,bi,bj) |
| 147 |
|
|
CADJ & = comlev1_stream_ij, key = ikey_1 |
| 148 |
|
|
#endif |
| 149 |
|
|
|
| 150 |
dgoldberg |
1.5 |
IF (.not. STREAMICE_calve_to_mask .OR. |
| 151 |
dgoldberg |
1.2 |
& STREAMICE_calve_mask (i,j,bi,bj) .eq. 1.0) THEN |
| 152 |
|
|
|
| 153 |
dgoldberg |
1.1 |
IF ((Gi .ge. 1) .and. (Gi .le. Nx) .and. |
| 154 |
|
|
& (STREAMICE_Hmask(i,j,bi,bj).eq.0.0 .or. |
| 155 |
|
|
& STREAMICE_Hmask(i,j,bi,bj).eq.2.0)) THEN |
| 156 |
|
|
n_flux_1 = 0. _d 0 |
| 157 |
|
|
href = 0. _d 0 |
| 158 |
|
|
tot_flux = 0. _d 0 |
| 159 |
|
|
|
| 160 |
|
|
#ifdef ALLOW_AUTODIFF_TAMC |
| 161 |
|
|
CADJ STORE hflux_x_SI(i,j,bi,bj) |
| 162 |
|
|
CADJ & = comlev1_stream_ij, key = ikey_1 |
| 163 |
|
|
#endif |
| 164 |
|
|
IF (hflux_x_SI(i,j,bi,bj).gt. 0. _d 0) THEN |
| 165 |
|
|
n_flux_1 = n_flux_1 + 1. _d 0 |
| 166 |
|
|
href = href + H_streamice(i-1,j,bi,bj) |
| 167 |
jmc |
1.3 |
tot_flux = tot_flux + hflux_x_SI(i,j,bi,bj) * |
| 168 |
dgoldberg |
1.1 |
& dxG(i,j,bi,bj) * time_step |
| 169 |
|
|
hflux_x_SI(i,j,bi,bj) = 0. _d 0 |
| 170 |
|
|
ENDIF |
| 171 |
|
|
|
| 172 |
|
|
#ifdef ALLOW_AUTODIFF_TAMC |
| 173 |
|
|
CADJ STORE hflux_x_SI(i,j,bi,bj) |
| 174 |
|
|
CADJ & = comlev1_stream_ij, key = ikey_1 |
| 175 |
|
|
#endif |
| 176 |
|
|
IF (hflux_x_SI(i+1,j,bi,bj).lt. 0. _d 0) THEN |
| 177 |
|
|
n_flux_1 = n_flux_1 + 1. _d 0 |
| 178 |
|
|
href = href + H_streamice(i+1,j,bi,bj) |
| 179 |
jmc |
1.3 |
tot_flux = tot_flux - hflux_x_SI(i+1,j,bi,bj) * |
| 180 |
dgoldberg |
1.1 |
& dxG(i+1,j,bi,bj) * time_step |
| 181 |
|
|
hflux_x_SI(i+1,j,bi,bj) = 0. _d 0 |
| 182 |
|
|
ENDIF |
| 183 |
|
|
|
| 184 |
|
|
#ifdef ALLOW_AUTODIFF_TAMC |
| 185 |
|
|
CADJ STORE hflux_y_SI(i,j,bi,bj) |
| 186 |
|
|
CADJ & = comlev1_stream_ij, key = ikey_1 |
| 187 |
|
|
#endif |
| 188 |
|
|
IF (hflux_y_SI(i,j,bi,bj).gt. 0. _d 0) THEN |
| 189 |
|
|
n_flux_1 = n_flux_1 + 1. _d 0 |
| 190 |
|
|
href = href + H_streamice(i,j-1,bi,bj) |
| 191 |
jmc |
1.3 |
tot_flux = tot_flux + hflux_y_SI(i,j,bi,bj) * |
| 192 |
dgoldberg |
1.1 |
& dyG(i,j,bi,bj) * time_step |
| 193 |
|
|
hflux_y_SI(i,j,bi,bj) = 0. _d 0 |
| 194 |
|
|
ENDIF |
| 195 |
|
|
|
| 196 |
|
|
#ifdef ALLOW_AUTODIFF_TAMC |
| 197 |
|
|
CADJ STORE hflux_y_SI(i,j,bi,bj) |
| 198 |
|
|
CADJ & = comlev1_stream_ij, key = ikey_1 |
| 199 |
|
|
#endif |
| 200 |
|
|
IF (hflux_y_SI(i,j+1,bi,bj).lt. 0. _d 0) THEN |
| 201 |
|
|
n_flux_1 = n_flux_1 + 1. _d 0 |
| 202 |
|
|
href = href + H_streamice(i,j+1,bi,bj) |
| 203 |
jmc |
1.3 |
tot_flux = tot_flux - hflux_y_SI(i,j+1,bi,bj) * |
| 204 |
dgoldberg |
1.1 |
& dyG(i,j+1,bi,bj) * time_step |
| 205 |
|
|
hflux_y_SI(i,j+1,bi,bj) = 0. _d 0 |
| 206 |
|
|
ENDIF |
| 207 |
jmc |
1.3 |
|
| 208 |
dgoldberg |
1.1 |
IF (n_flux_1 .gt. 0.) THEN |
| 209 |
|
|
|
| 210 |
|
|
href = href / n_flux_1 |
| 211 |
jmc |
1.3 |
partial_vol = H_streamice (i,j,bi,bj) * |
| 212 |
dgoldberg |
1.1 |
& area_shelf_streamice (i,j,bi,bj) + tot_flux |
| 213 |
|
|
hpot = partial_vol * recip_rA(i,j,bi,bj) |
| 214 |
jmc |
1.3 |
|
| 215 |
dgoldberg |
1.1 |
IF (hpot .eq. href) THEN ! cell is exactly covered, no overflow |
| 216 |
|
|
STREAMICE_hmask (i,j,bi,bj) = 1.0 |
| 217 |
|
|
H_streamice (i,j,bi,bj) = href |
| 218 |
jmc |
1.3 |
area_shelf_streamice(i,j,bi,bj) = |
| 219 |
dgoldberg |
1.1 |
& rA(i,j,bi,bj) |
| 220 |
|
|
ELSEIF (hpot .lt. href) THEN ! cell still unfilled |
| 221 |
|
|
|
| 222 |
|
|
STREAMICE_hmask (i,j,bi,bj) = 2.0 |
| 223 |
|
|
area_shelf_streamice (i,j,bi,bj) = partial_vol / href |
| 224 |
|
|
H_streamice (i,j,bi,bj) = href |
| 225 |
|
|
ELSE ! cell is filled - do overflow |
| 226 |
|
|
|
| 227 |
|
|
STREAMICE_hmask (i,j,bi,bj) = 1.0 |
| 228 |
jmc |
1.3 |
area_shelf_streamice(i,j,bi,bj) = |
| 229 |
dgoldberg |
1.1 |
& rA(i,j,bi,bj) |
| 230 |
|
|
|
| 231 |
jmc |
1.3 |
PRINT *, "GOT HERE OVERFLOW ", i,j, |
| 232 |
dgoldberg |
1.2 |
& area_shelf_streamice(i,j,bi,bj) |
| 233 |
dgoldberg |
1.1 |
partial_vol = partial_vol - href * rA(i,j,bi,bj) |
| 234 |
|
|
|
| 235 |
|
|
iter_flag = 1. _d 0 |
| 236 |
|
|
|
| 237 |
jmc |
1.3 |
n_flux_2 = 0. _d 0 ; |
| 238 |
dgoldberg |
1.1 |
DO k=1,4 |
| 239 |
|
|
new_partial (:) = 0 |
| 240 |
|
|
ENDDO |
| 241 |
|
|
|
| 242 |
|
|
DO k=1,2 |
| 243 |
jmc |
1.3 |
IF ( (STREAMICE_ufacemask(i-1+k,j,bi,bj).eq.2.0) .or. |
| 244 |
|
|
& (STREAMICE_calve_to_mask .and. |
| 245 |
|
|
& STREAMICE_calve_mask(i+2*k-3,j,bi,bj).ne.1.0) |
| 246 |
dgoldberg |
1.2 |
& ) THEN ! at a permanent calving boundary - no advance allowed |
| 247 |
dgoldberg |
1.1 |
n_flux_2 = n_flux_2 + 1. _d 0 |
| 248 |
|
|
ELSEIF (STREAMICE_hmask(i+2*k-3,j,bi,bj).eq.0 _d 0) THEN ! adjacent cell is completely ice free |
| 249 |
|
|
n_flux_2 = n_flux_2 + 1. _d 0 |
| 250 |
|
|
new_partial (k) = 1 |
| 251 |
|
|
ENDIF |
| 252 |
|
|
ENDDO |
| 253 |
|
|
DO k=1,2 |
| 254 |
jmc |
1.3 |
IF ( (STREAMICE_vfacemask (i,j-1+k,bi,bj).eq.2.0) .or. |
| 255 |
|
|
& (STREAMICE_calve_to_mask .and. |
| 256 |
|
|
& STREAMICE_calve_mask(i,j+2*k-3,bi,bj).ne.1.0) |
| 257 |
dgoldberg |
1.2 |
& ) THEN ! at a permanent calving boundary - no advance allowed |
| 258 |
dgoldberg |
1.1 |
n_flux_2 = n_flux_2 + 1. _d 0 |
| 259 |
|
|
ELSEIF (STREAMICE_hmask(i,j+2*k-3,bi,bj).eq.0 _d 0) THEN |
| 260 |
|
|
n_flux_2 = n_flux_2 + 1. _d 0 |
| 261 |
|
|
new_partial (k+2) = 1 |
| 262 |
|
|
ENDIF |
| 263 |
|
|
ENDDO |
| 264 |
|
|
|
| 265 |
|
|
IF (n_flux_2 .eq. 0.) THEN ! there is nowhere to put the extra ice! |
| 266 |
|
|
H_streamice(i,j,bi,bj) = href + partial_vol * |
| 267 |
|
|
& recip_rA(i,j,bi,bj) |
| 268 |
|
|
ELSE |
| 269 |
|
|
H_streamice(i,j,bi,bj) = href |
| 270 |
|
|
|
| 271 |
|
|
DO k=1,2 |
| 272 |
|
|
IF (new_partial(k) .eq. 1) THEN |
| 273 |
jmc |
1.3 |
hflux_x_SI2(i-1+k,j,bi,bj) = |
| 274 |
dgoldberg |
1.1 |
& partial_vol/time_step/n_flux_2/ |
| 275 |
|
|
& dxG(i-1+k,j,bi,bj) |
| 276 |
|
|
ENDIF |
| 277 |
|
|
ENDDO |
| 278 |
|
|
|
| 279 |
|
|
DO k=1,2 |
| 280 |
|
|
IF (new_partial(k+2) .eq. 1) THEN |
| 281 |
jmc |
1.3 |
hflux_y_SI2(i,j-1+k,bi,bj) = |
| 282 |
dgoldberg |
1.1 |
& partial_vol/time_step/n_flux_2/ |
| 283 |
|
|
& dxG(i,j-1+k,bi,bj) |
| 284 |
|
|
ENDIF |
| 285 |
|
|
ENDDO |
| 286 |
|
|
|
| 287 |
|
|
ENDIF |
| 288 |
|
|
ENDIF |
| 289 |
|
|
ENDIF |
| 290 |
|
|
|
| 291 |
|
|
ENDIF |
| 292 |
dgoldberg |
1.2 |
ENDIF |
| 293 |
dgoldberg |
1.1 |
ENDDO |
| 294 |
|
|
ENDIF |
| 295 |
|
|
ENDDO |
| 296 |
|
|
c |
| 297 |
|
|
ENDDO |
| 298 |
|
|
ENDDO |
| 299 |
|
|
c |
| 300 |
|
|
ENDIF |
| 301 |
|
|
ENDDO |
| 302 |
|
|
|
| 303 |
|
|
IF (iter_rpt.gt.1) THEN |
| 304 |
|
|
WRITE(msgBuf,'(A,I5,A)') 'FRONT ADVANCE: ',iter_rpt, |
| 305 |
|
|
& ' ITERATIONS' |
| 306 |
|
|
CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
| 307 |
jmc |
1.3 |
& SQUEEZE_RIGHT , 1) |
| 308 |
dgoldberg |
1.1 |
ENDIF |
| 309 |
|
|
|
| 310 |
|
|
#endif |
| 311 |
|
|
RETURN |
| 312 |
|
|
END |
Parent Directory
| 
Revision Log
| 
Revision Graph