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dgoldberg |
1.11 |
C $Header: /u/gcmpack/MITgcm/pkg/streamice/streamice_advect_thickness.F,v 1.7 2014/04/24 12:01:50 dgoldberg Exp $ |
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heimbach |
1.1 |
C $Name: $ |
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#include "STREAMICE_OPTIONS.h" |
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C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
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CBOP |
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dgoldberg |
1.8 |
SUBROUTINE STREAMICE_ADVECT_THICKNESS ( myThid,myIter,time_step ) |
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heimbach |
1.1 |
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dgoldberg |
1.11 |
C *============================================================* |
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C | SUBROUTINE | |
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heimbach |
1.1 |
C | o | |
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dgoldberg |
1.11 |
C *============================================================* |
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heimbach |
1.1 |
C | | |
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dgoldberg |
1.11 |
C *============================================================* |
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heimbach |
1.1 |
IMPLICIT NONE |
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C === Global variables === |
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#include "SIZE.h" |
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#include "GRID.h" |
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#include "EEPARAMS.h" |
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#include "PARAMS.h" |
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#include "STREAMICE.h" |
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#include "STREAMICE_ADV.h" |
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heimbach |
1.2 |
#ifdef ALLOW_AUTODIFF_TAMC |
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# include "tamc.h" |
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#endif |
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dgoldberg |
1.11 |
#ifdef ALLOW_SHELFICE |
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# include "SHELFICE.h" |
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#endif |
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heimbach |
1.1 |
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dgoldberg |
1.8 |
INTEGER myThid, myIter |
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heimbach |
1.1 |
_RL time_step |
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#ifdef ALLOW_STREAMICE |
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dgoldberg |
1.10 |
INTEGER i, j, bi, bj, Gi, Gj |
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dgoldberg |
1.9 |
_RL thick_bd, uflux, vflux, max_icfl, loc_icfl |
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_RL time_step_full, time_step_rem |
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dgoldberg |
1.11 |
_RL sec_per_year, time_step_loc, MR, SMB, TMB, irho |
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dgoldberg |
1.8 |
_RL BCVALX(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RL BCVALY(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RS BCMASKX(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RS BCMASKY(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RL utrans(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RL vtrans(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RL h_after_uflux_SI(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RL h_after_vflux_SI(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RL hflux_x_SI(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RL hflux_y_SI(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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dgoldberg |
1.11 |
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dgoldberg |
1.3 |
CHARACTER*(MAX_LEN_MBUF) msgBuf |
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heimbach |
1.1 |
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sec_per_year = 365.*86400. |
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time_step_loc = time_step / sec_per_year |
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dgoldberg |
1.9 |
time_step_full = time_step_loc |
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time_step_rem = time_step_loc |
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dgoldberg |
1.7 |
PRINT *, "time_step_loc ", time_step_loc |
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heimbach |
1.2 |
#ifdef ALLOW_AUTODIFF_TAMC |
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CADJ STORE streamice_hmask = comlev1, key=ikey_dynamics |
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#endif |
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heimbach |
1.1 |
DO bj=myByLo(myThid),myByHi(myThid) |
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DO bi=myBxLo(myThid),myBxHi(myThid) |
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dgoldberg |
1.10 |
DO j=1,sNy+1 |
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DO i=1,sNx+1 |
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dgoldberg |
1.8 |
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dgoldberg |
1.11 |
H_streamice_prev(i,j,bi,bj) = |
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dgoldberg |
1.5 |
& H_streamice(i,j,bi,bj) |
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dgoldberg |
1.8 |
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heimbach |
1.1 |
hflux_x_SI (i,j,bi,bj) = 0. _d 0 |
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hflux_y_SI (i,j,bi,bj) = 0. _d 0 |
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dgoldberg |
1.11 |
h_after_uflux_SI(i,j,bi,bj) = H_streamice(i,j,bi,bj) |
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h_after_vflux_SI(i,j,bi,bj) = H_streamice(i,j,bi,bj) |
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dgoldberg |
1.8 |
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IF (STREAMICE_ufacemask(i,j,bi,bj).eq.3.0) THEN |
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BCMASKX(i,j,bi,bj) = 3.0 |
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BCVALX(i,j,bi,bj) = h_ubdry_values_SI(i,j,bi,bj) |
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utrans(i,j,bi,bj) = .5 * ( |
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& u_streamice(i,j,bi,bj)+u_streamice(i,j+1,bi,bj)) |
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ELSEIF (STREAMICE_ufacemask(i,j,bi,bj).eq.4.0) THEN |
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dgoldberg |
1.11 |
IF (STREAMICE_hmask(i,j,bi,bj).eq.1.0) THEN |
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uflux = u_flux_bdry_SI(i,j,bi,bj) |
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BCMASKX(i,j,bi,bj) = 3.0 |
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BCVALX(i,j,bi,bj) = uflux |
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utrans(i,j,bi,bj) = 1.0 |
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ELSEIF (STREAMICE_hmask(i+1,j,bi,bj).eq.1.0) THEN |
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uflux = u_flux_bdry_SI(i,j,bi,bj) |
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BCMASKX(i,j,bi,bj) = 3.0 |
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BCVALX(i,j,bi,bj) = uflux |
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utrans(i,j,bi,bj) = -1.0 |
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ENDIF |
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dgoldberg |
1.8 |
ELSEIF (.not.( |
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& STREAMICE_hmask(i,j,bi,bj).eq.1.0.OR. |
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& STREAMICE_hmask(i-1,j,bi,bj).eq.1.0)) THEN |
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BCMASKX(i,j,bi,bj) = 0.0 |
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BCVALX(i,j,bi,bj) = 0. _d 0 |
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utrans(i,j,bi,bj) = 0. _d 0 |
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ELSE |
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BCMASKX(i,j,bi,bj) = 0.0 |
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BCVALX(i,j,bi,bj) = 0. _d 0 |
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utrans(i,j,bi,bj) = .5 * ( |
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& u_streamice(i,j,bi,bj)+u_streamice(i,j+1,bi,bj)) |
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heimbach |
1.1 |
ENDIF |
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dgoldberg |
1.8 |
IF (STREAMICE_vfacemask(i,j,bi,bj).eq.3.0) THEN |
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BCMASKy(i,j,bi,bj) = 3.0 |
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BCVALy(i,j,bi,bj) = h_vbdry_values_SI(i,j,bi,bj) |
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vtrans(i,j,bi,bj) = .5 * ( |
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& v_streamice(i,j,bi,bj)+v_streamice(i+1,j,bi,bj)) |
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ELSEIF (STREAMICE_vfacemask(i,j,bi,bj).eq.4.0) THEN |
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dgoldberg |
1.11 |
IF (STREAMICE_hmask(i,j,bi,bj).eq.1.0) THEN |
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vflux = v_flux_bdry_SI(i,j,bi,bj) |
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BCMASKY(i,j,bi,bj) = 3.0 |
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BCVALY(i,j,bi,bj) = vflux |
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vtrans(i,j,bi,bj) = 1.0 |
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ELSEIF (STREAMICE_hmask(i,j+1,bi,bj).eq.1.0) THEN |
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vflux = v_flux_bdry_SI(i,j,bi,bj) |
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BCMASKY(i,j,bi,bj) = 3.0 |
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BCVALY(i,j,bi,bj) = vflux |
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vtrans(i,j,bi,bj) = -1.0 |
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ENDIF |
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dgoldberg |
1.8 |
vtrans(i,j,bi,bj) = 1.0 |
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ELSEIF (.not.( |
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& STREAMICE_hmask(i,j,bi,bj).eq.1.0.OR. |
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& STREAMICE_hmask(i,j-1,bi,bj).eq.1.0)) THEN |
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BCMASKY(i,j,bi,bj) = 0.0 |
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BCVALY(i,j,bi,bj) = 0. _d 0 |
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vtrans(i,j,bi,bj) = 0. _d 0 |
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ELSE |
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BCMASKy(i,j,bi,bj) = 0.0 |
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BCVALy(i,j,bi,bj) = 0. _d 0 |
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vtrans(i,j,bi,bj) = .5 * ( |
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& v_streamice(i,j,bi,bj)+v_streamice(i+1,j,bi,bj)) |
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heimbach |
1.1 |
ENDIF |
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dgoldberg |
1.8 |
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heimbach |
1.1 |
ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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dgoldberg |
1.8 |
_EXCH_XY_RL(utrans,myThid) |
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_EXCH_XY_RL(vtrans,myThid) |
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_EXCH_XY_RS(BCMASKx,myThid) |
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_EXCH_XY_RS(BCMASKy,myThid) |
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_EXCH_XY_RL(BCVALX,myThid) |
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_EXCH_XY_RL(BCVALY,myThid) |
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dgoldberg |
1.11 |
_EXCH_XY_RL(h_after_uflux_SI,myThid) |
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_EXCH_XY_RL(h_after_vflux_SI,myThid) |
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dgoldberg |
1.3 |
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dgoldberg |
1.9 |
#ifndef ALLOW_AUTODIFF_TAMC |
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max_icfl = 1.e-20 |
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DO bj=myByLo(myThid),myByHi(myThid) |
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DO bi=myBxLo(myThid),myBxHi(myThid) |
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DO j=1,sNy |
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DO i=1,sNx |
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IF (streamice_hmask(i,j,bi,bj).eq.1.0) THEN |
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loc_icfl=max(abs(utrans(i,j,bi,bj)), |
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& abs(utrans(i+1,j,bi,bj))) / dxF(i,j,bi,bj) |
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loc_icfl=max(loc_icfl,max(abs(vtrans(i,j,bi,bj)), |
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& abs(vtrans(i,j+1,bi,bj))) / dyF(i,j,bi,bj)) |
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if (loc_icfl.gt.max_icfl) then |
| 173 |
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max_icfl = loc_icfl |
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ENDIF |
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ENDIF |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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CALL GLOBAL_MAX_R8 (max_icfl, myThid) |
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#endif |
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dgoldberg |
1.10 |
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dgoldberg |
1.9 |
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heimbach |
1.2 |
#ifdef ALLOW_AUTODIFF_TAMC |
| 187 |
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CADJ STORE streamice_hmask = comlev1, key=ikey_dynamics |
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dgoldberg |
1.8 |
CADJ STORE H_streamice = comlev1, key=ikey_dynamics |
| 189 |
heimbach |
1.2 |
#endif |
| 190 |
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| 191 |
dgoldberg |
1.9 |
#ifndef ALLOW_AUTODIFF_TAMC |
| 192 |
dgoldberg |
1.11 |
do while (time_step_rem .gt. 1.e-15) |
| 193 |
dgoldberg |
1.9 |
time_step_loc = min ( |
| 194 |
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& streamice_cfl_factor / max_icfl, |
| 195 |
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& time_step_rem ) |
| 196 |
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if (time_step_loc .lt. time_step_full) then |
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PRINT *, "TAKING PARTIAL TIME STEP", time_step_loc |
| 198 |
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endif |
| 199 |
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#endif |
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dgoldberg |
1.8 |
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CALL STREAMICE_ADV_FLUX_FL_X ( myThid , |
| 202 |
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I utrans , |
| 203 |
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I H_streamice , |
| 204 |
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I BCMASKX, |
| 205 |
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I BCVALX, |
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heimbach |
1.1 |
O hflux_x_SI, |
| 207 |
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I time_step_loc ) |
| 208 |
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dgoldberg |
1.3 |
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heimbach |
1.1 |
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DO bj=myByLo(myThid),myByHi(myThid) |
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DO bi=myBxLo(myThid),myBxHi(myThid) |
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dgoldberg |
1.8 |
DO j=1-3,sNy+3 |
| 214 |
dgoldberg |
1.10 |
DO i=1,sNx |
| 215 |
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Gi = (myXGlobalLo-1)+(bi-1)*sNx+i |
| 216 |
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Gj = (myYGlobalLo-1)+(bj-1)*sNy+j |
| 217 |
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IF (((Gj .ge. 1) .and. (Gj .le. Ny)) |
| 218 |
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& .or.STREAMICE_NS_PERIODIC) THEN |
| 219 |
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| 220 |
dgoldberg |
1.8 |
IF (STREAMICE_hmask(i,j,bi,bj).eq.1.0) THEN |
| 221 |
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h_after_uflux_SI (i,j,bi,bj) = H_streamice(i,j,bi,bj) - |
| 222 |
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& (hflux_x_SI(i+1,j,bi,bj)*dyG(i+1,j,bi,bj) - |
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dgoldberg |
1.11 |
& hflux_x_SI(i,j,bi,bj)*dyG(i,j,bi,bj)) |
| 224 |
dgoldberg |
1.8 |
& * recip_rA (i,j,bi,bj) * time_step_loc |
| 225 |
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IF ( h_after_uflux_SI (i,j,bi,bj).le.0.0) THEN |
| 226 |
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PRINT *, "h neg after x", i,j,hflux_x_SI(i+1,j,bi,bj), |
| 227 |
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& hflux_x_SI(i,j,bi,bj) |
| 228 |
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ENDIF |
| 229 |
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ENDIF |
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dgoldberg |
1.10 |
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| 231 |
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ENDIF |
| 232 |
heimbach |
1.1 |
ENDDO |
| 233 |
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ENDDO |
| 234 |
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ENDDO |
| 235 |
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ENDDO |
| 236 |
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| 237 |
dgoldberg |
1.8 |
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| 238 |
heimbach |
1.2 |
#ifdef ALLOW_AUTODIFF_TAMC |
| 239 |
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CADJ STORE streamice_hmask = comlev1, key=ikey_dynamics |
| 240 |
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#endif |
| 241 |
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| 242 |
dgoldberg |
1.8 |
! CALL STREAMICE_ADVECT_THICKNESS_Y ( myThid, |
| 243 |
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! O hflux_y_SI, |
| 244 |
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! O h_after_vflux_SI, |
| 245 |
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! I time_step_loc ) |
| 246 |
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| 247 |
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CALL STREAMICE_ADV_FLUX_FL_Y ( myThid , |
| 248 |
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I vtrans , |
| 249 |
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I h_after_uflux_si , |
| 250 |
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I BCMASKY, |
| 251 |
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I BCVALY, |
| 252 |
heimbach |
1.1 |
O hflux_y_SI, |
| 253 |
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I time_step_loc ) |
| 254 |
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| 255 |
dgoldberg |
1.3 |
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| 256 |
dgoldberg |
1.8 |
DO bj=myByLo(myThid),myByHi(myThid) |
| 257 |
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DO bi=myBxLo(myThid),myBxHi(myThid) |
| 258 |
dgoldberg |
1.10 |
DO j=1,sNy |
| 259 |
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DO i=1,sNx |
| 260 |
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Gi = (myXGlobalLo-1)+(bi-1)*sNx+i |
| 261 |
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Gj = (myYGlobalLo-1)+(bj-1)*sNy+j |
| 262 |
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IF (((Gj .ge. 1) .and. (Gj .le. Ny)) |
| 263 |
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& .or.STREAMICE_EW_PERIODIC) THEN |
| 264 |
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| 265 |
dgoldberg |
1.8 |
IF (STREAMICE_hmask(i,j,bi,bj).eq.1.0) THEN |
| 266 |
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h_after_vflux_SI (i,j,bi,bj) = h_after_uflux_SI(i,j,bi,bj) - |
| 267 |
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& (hflux_y_SI(i,j+1,bi,bj)*dxG(i,j+1,bi,bj) - |
| 268 |
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& hflux_y_SI(i,j,bi,bj)*dxG(i,j,bi,bj)) * |
| 269 |
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& recip_rA (i,j,bi,bj) * time_step_loc |
| 270 |
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IF ( h_after_vflux_SI (i,j,bi,bj).le.0.0) THEN |
| 271 |
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PRINT *, "h neg after y", i,j,hflux_y_SI(i,j+1,bi,bj), |
| 272 |
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& hflux_y_SI(i,j,bi,bj) |
| 273 |
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ENDIF |
| 274 |
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| 275 |
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ENDIF |
| 276 |
dgoldberg |
1.10 |
ENDIF |
| 277 |
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| 278 |
dgoldberg |
1.8 |
ENDDO |
| 279 |
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ENDDO |
| 280 |
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ENDDO |
| 281 |
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ENDDO |
| 282 |
heimbach |
1.1 |
|
| 283 |
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DO bj=myByLo(myThid),myByHi(myThid) |
| 284 |
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DO bi=myBxLo(myThid),myBxHi(myThid) |
| 285 |
dgoldberg |
1.8 |
DO j=1,sNy |
| 286 |
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DO i=1,sNx |
| 287 |
heimbach |
1.1 |
IF (STREAMICE_hmask(i,j,bi,bj).eq.1.0) THEN |
| 288 |
dgoldberg |
1.11 |
H_streamice (i,j,bi,bj) = |
| 289 |
heimbach |
1.1 |
& h_after_vflux_SI (i,j,bi,bj) |
| 290 |
|
|
ENDIF |
| 291 |
|
|
ENDDO |
| 292 |
|
|
ENDDO |
| 293 |
|
|
ENDDO |
| 294 |
|
|
ENDDO |
| 295 |
|
|
|
| 296 |
dgoldberg |
1.10 |
! NOTE: AT THIS POINT H IS NOT VALID ON OVERLAP!!! |
| 297 |
|
|
|
| 298 |
dgoldberg |
1.11 |
if (streamice_move_front) then |
| 299 |
|
|
CALL STREAMICE_ADV_FRONT ( |
| 300 |
|
|
& myThid, time_step_loc, |
| 301 |
|
|
& hflux_x_SI, hflux_y_SI ) |
| 302 |
|
|
endif |
| 303 |
|
|
|
| 304 |
dgoldberg |
1.3 |
|
| 305 |
dgoldberg |
1.8 |
#ifdef ALLOW_STREAMICE_2DTRACER |
| 306 |
|
|
CALL STREAMICE_ADVECT_2DTRACER( |
| 307 |
|
|
& myThid, |
| 308 |
|
|
& myIter, |
| 309 |
|
|
& time_step, |
| 310 |
|
|
& uTrans, |
| 311 |
|
|
& vTrans, |
| 312 |
dgoldberg |
1.11 |
& BCMASKx, |
| 313 |
|
|
& BCMASKy ) |
| 314 |
dgoldberg |
1.8 |
#endif |
| 315 |
heimbach |
1.1 |
|
| 316 |
dgoldberg |
1.9 |
#ifndef ALLOW_AUTODIFF_TAMC |
| 317 |
dgoldberg |
1.11 |
time_step_rem = time_step_rem - time_step_loc |
| 318 |
dgoldberg |
1.9 |
enddo |
| 319 |
|
|
#endif |
| 320 |
|
|
|
| 321 |
|
|
|
| 322 |
dgoldberg |
1.3 |
|
| 323 |
dgoldberg |
1.4 |
! NOW WE APPLY MELT RATES !! |
| 324 |
|
|
! THIS MAY BE MOVED TO A SEPARATE SUBROUTINE |
| 325 |
dgoldberg |
1.11 |
irho = 1./streamice_density |
| 326 |
heimbach |
1.1 |
|
| 327 |
dgoldberg |
1.4 |
DO bj=myByLo(myThid),myByHi(myThid) |
| 328 |
|
|
DO bi=myBxLo(myThid),myBxHi(myThid) |
| 329 |
dgoldberg |
1.8 |
DO j=1,sNy |
| 330 |
|
|
DO i=1,sNx |
| 331 |
dgoldberg |
1.11 |
Gi = (myXGlobalLo-1)+(bi-1)*sNx+i |
| 332 |
|
|
Gj = (myYGlobalLo-1)+(bj-1)*sNy+j |
| 333 |
|
|
IF (STREAMICE_hmask(i,j,bi,bj).eq.1.0 .or. |
| 334 |
dgoldberg |
1.4 |
& STREAMICE_hmask(i,j,bi,bj).eq.2.0) THEN |
| 335 |
dgoldberg |
1.11 |
|
| 336 |
|
|
IF (STREAMICE_allow_cpl) THEN |
| 337 |
|
|
#ifdef ALLOW_SHELFICE |
| 338 |
|
|
MR = -1. * (1.-float_frac_streamice(i,j,bi,bj)) * |
| 339 |
|
|
& shelfIceFreshWaterFlux(I,J,bi,bj) * irho * |
| 340 |
|
|
& sec_per_year |
| 341 |
|
|
|
| 342 |
|
|
#else |
| 343 |
|
|
STOP 'SHELFICE IS NOT ENABLED' |
| 344 |
|
|
#endif |
| 345 |
|
|
ELSE |
| 346 |
|
|
MR = (1.-float_frac_streamice(i,j,bi,bj)) * |
| 347 |
|
|
& (BDOT_STREAMICE(i,j,bi,bj) + |
| 348 |
|
|
& BDOT_pert(i,j,bi,bj)) |
| 349 |
|
|
ENDIF |
| 350 |
|
|
|
| 351 |
|
|
SMB = ADOT_STREAMICE(i,j,bi,bj) |
| 352 |
|
|
TMB = SMB - MR |
| 353 |
|
|
IF ((TMB.lt.0.0) .and. |
| 354 |
dgoldberg |
1.6 |
& (MR * time_step_loc .gt. |
| 355 |
|
|
& H_streamice (i,j,bi,bj))) THEN |
| 356 |
dgoldberg |
1.4 |
H_streamice (i,j,bi,bj) = 0. _d 0 |
| 357 |
dgoldberg |
1.11 |
STREAMICE_hmask(i,j,bi,bj) = 0.0 |
| 358 |
|
|
PRINT *, "GOT HERE melted away! ", i,j |
| 359 |
|
|
ELSE |
| 360 |
|
|
H_streamice (i,j,bi,bj) = |
| 361 |
dgoldberg |
1.7 |
& H_streamice (i,j,bi,bj) + TMB * time_step_loc |
| 362 |
dgoldberg |
1.4 |
ENDIF |
| 363 |
dgoldberg |
1.11 |
|
| 364 |
|
|
|
| 365 |
|
|
ENDIF |
| 366 |
dgoldberg |
1.4 |
ENDDO |
| 367 |
|
|
ENDDO |
| 368 |
|
|
ENDDO |
| 369 |
dgoldberg |
1.11 |
ENDDO |
| 370 |
|
|
|
| 371 |
|
|
_EXCH_XY_RL(H_streamice,myThid) |
| 372 |
dgoldberg |
1.8 |
|
| 373 |
dgoldberg |
1.10 |
|
| 374 |
dgoldberg |
1.3 |
WRITE(msgBuf,'(A)') 'END STREAMICE_ADVECT_THICKNESS' |
| 375 |
|
|
CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
| 376 |
|
|
& SQUEEZE_RIGHT , 1) |
| 377 |
dgoldberg |
1.11 |
|
| 378 |
heimbach |
1.1 |
#endif |
| 379 |
heimbach |
1.2 |
END |
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