| 1 |
C $Header: /u/gcmpack/MITgcm_contrib/verification_other/shelfice_remeshing/code/shelfice_massmin.F,v 1.2 2016/05/26 11:32:17 ksnow Exp $ |
| 2 |
C $Name: $ |
| 3 |
|
| 4 |
C KS_dens------ |
| 5 |
|
| 6 |
#include "SHELFICE_OPTIONS.h" |
| 7 |
|
| 8 |
CBOP |
| 9 |
SUBROUTINE SHELFICE_MASSMIN( R_min, massMin, myThid ) |
| 10 |
C *============================================================* |
| 11 |
C | SUBROUTINE SHELFICE_MASSMIN |
| 12 |
C | o Routine to determine the minimum mass based on MCWT |
| 13 |
C *============================================================* |
| 14 |
IMPLICIT NONE |
| 15 |
|
| 16 |
C === Global variables === |
| 17 |
#include "SIZE.h" |
| 18 |
#include "EEPARAMS.h" |
| 19 |
#include "PARAMS.h" |
| 20 |
#include "GRID.h" |
| 21 |
#include "SHELFICE.h" |
| 22 |
#include "DYNVARS.h" |
| 23 |
#ifdef ALLOW_COST |
| 24 |
# include "SHELFICE_COST.h" |
| 25 |
#endif /* ALLOW_COST */ |
| 26 |
|
| 27 |
C === Routine arguments === |
| 28 |
C myThid - Number of this instance |
| 29 |
C |
| 30 |
C This subroutine calculates the minimum mass to allow MWCT space |
| 31 |
C under the grounded ice. |
| 32 |
|
| 33 |
_RL massMin(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 34 |
_RL R_min(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 35 |
INTEGER myThid |
| 36 |
|
| 37 |
CEndOfInterface |
| 38 |
|
| 39 |
#ifdef ALLOW_SHELFICE |
| 40 |
C === Local variables === |
| 41 |
C i,j,bi,bj - Loop counters |
| 42 |
INTEGER i, j, k, bi, bj, k2 |
| 43 |
_RL drho (Nr) |
| 44 |
_RL phiHydF(Nr+1) |
| 45 |
_RL phiHydC(Nr) |
| 46 |
_RL vert_rho(Nr) |
| 47 |
_RL drLoc, pLoad_min, sum_hFac |
| 48 |
_RL SEALEVEL, ETA |
| 49 |
CEOP |
| 50 |
|
| 51 |
C Initialize variables |
| 52 |
R_min = 0 _d 0 |
| 53 |
drLoc = 0 _d 0 |
| 54 |
pLoad_min = 0 _d 0 |
| 55 |
DO k=1,Nr |
| 56 |
vert_rho(k) = 0 _d 0 |
| 57 |
ENDDO |
| 58 |
DO bj = myByLo(myThid), myByHi(myThid) |
| 59 |
DO bi = myBxLo(myThid), myBxHi(myThid) |
| 60 |
DO j=1-OLy,sNy+OLy |
| 61 |
DO i=1-OLx,sNx+OLx |
| 62 |
massMin(i,j,bi,bj) = 0 _d 0 |
| 63 |
ENDDO |
| 64 |
ENDDO |
| 65 |
ENDDO |
| 66 |
ENDDO |
| 67 |
|
| 68 |
C First need vertical profile of density anomaly; |
| 69 |
CALL SHELFICE_VERT_DENS( vert_rho, myThid ) |
| 70 |
C Get the average open ocean ssh |
| 71 |
SEALEVEL = 0. _d 0 |
| 72 |
ETA = 0. _d 0 |
| 73 |
CALL SHELFICE_SEA_LEVEL_AVG( SEALEVEL,ETA, myThid ) |
| 74 |
C calcaulte hydrostatic pressure based on density profile |
| 75 |
DO k = 1,Nr |
| 76 |
drho(k) = vert_rho(k) |
| 77 |
IF (k.EQ.1) THEN |
| 78 |
phiHydF(k) = 0. |
| 79 |
C phiHydF(k) = SEALEVEL*gravity*drho(k)*recip_rhoConst |
| 80 |
ENDIF |
| 81 |
phiHydC(k)=phiHydF(k) + halfRL*drF(k)*gravity*drho(k) |
| 82 |
& *recip_rhoConst |
| 83 |
phiHydF(k+1)=phiHydC(k) + halfRL*drF(k)*gravity*drho(k) |
| 84 |
& *recip_rhoConst |
| 85 |
ENDDO |
| 86 |
|
| 87 |
C calculate the level of minimum pressure and from that massMin |
| 88 |
C based on R_MCWT |
| 89 |
DO bj = myByLo(myThid), myByHi(myThid) |
| 90 |
DO bi = myBxLo(myThid), myBxHi(myThid) |
| 91 |
DO j=1-OLy,sNy+OLy |
| 92 |
DO i=1-OLx,sNx+OLx |
| 93 |
R_min(i,j,bi,bj)=R_Low(i,j,bi,bi)+R_MWCT(i,j,bi,bj) |
| 94 |
DO k =1,Nr |
| 95 |
IF ((R_min(i,j,bi,bj) .GT. rF(k+1)) .AND. |
| 96 |
& (R_min(i,j,bi,bj) .LE. rF(k))) THEN |
| 97 |
drLoc = (rF(k)-R_min(i,j,bi,bj))/drF(k) |
| 98 |
|
| 99 |
pLoad_min = (phiHydF(k) + drLoc* |
| 100 |
& (phiHydF(k+1)-phiHydF(k)))*rhoConst |
| 101 |
& + gravity*rhoConst*(drLoc*drF(k)) |
| 102 |
|
| 103 |
massMin(i,j,bi,bj) = pLoad_min*recip_gravity - |
| 104 |
& rF(k)*rhoConst |
| 105 |
ENDIF |
| 106 |
ENDDO |
| 107 |
ENDDO |
| 108 |
ENDDO |
| 109 |
ENDDO |
| 110 |
ENDDO |
| 111 |
|
| 112 |
#endif /* ALLOW_SHELFICE */ |
| 113 |
|
| 114 |
RETURN |
| 115 |
END |
Parent Directory
| 
Revision Log
| 
Revision Graph