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C $Header: /u/gcmpack/MITgcm/pkg/streamice/streamice_init_varia.F,v 1.3 2013/06/21 21:15:36 dgoldberg Exp $ |
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C $Name: $ |
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|
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#ifdef ALLOW_COST |
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# include "COST_OPTIONS.h" |
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#endif |
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#include "STREAMICE_OPTIONS.h" |
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|
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C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
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|
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CBOP |
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SUBROUTINE STREAMICE_INIT_VARIA( myThid ) |
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C /============================================================\ |
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C | SUBROUTINE STREAMICE_INIT_VARIA | |
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C | o Routine to initialize STREAMICE variables. | |
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C |============================================================| |
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C | Initialize STREAMICE parameters and variables. | |
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C \============================================================/ |
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IMPLICIT NONE |
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|
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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 "SET_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_CG.h" |
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#include "STREAMICE_ADV.h" |
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|
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C === Routine arguments === |
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C myThid - Number of this instance of STREAMICE_INIT_VARIA |
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INTEGER myThid |
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CEndOfInterface |
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|
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#ifdef ALLOW_STREAMICE |
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C === Local variables === |
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C I,J,bi,bj - Loop counters |
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INTEGER i, j, k, bi, bj, Gi, Gj |
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INTEGER col_y, col_x |
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_RL slope_pos, c1, x, y, lenx, leny |
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CHARACTER*(MAX_LEN_MBUF) msgBuf |
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_RS dummyRS |
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|
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CEOP |
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|
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C ZERO OUT FLOATING POINT ARRAYS |
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|
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|
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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-OLy,sNy+OLy |
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DO i=1-OLx,sNx+OLx |
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H_streamIce(i,j,bi,bj) = 0. _d 0 |
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U_streamice(i,j,bi,bj) = 0. _d 0 |
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V_streamice(i,j,bi,bj) = 0. _d 0 |
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visc_streamice(i,j,bi,bj) = 0. _d 0 |
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tau_beta_eff_streamice(i,j,bi,bj) = 0. _d 0 |
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float_frac_streamice(i,j,bi,bj) = 0. _d 0 |
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base_el_streamice(i,j,bi,bj) = 0. _d 0 |
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surf_el_streamice(i,j,bi,bj) = 0. _d 0 |
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area_shelf_streamice(i,j,bi,bj) = 0. _d 0 |
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mass_ice_streamice(i,j,bi,bj) = 0. _d 0 |
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BDOT_streamice(i,j,bi,bj) = 0. _d 0 |
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ADOT_streamice(i,j,bi,bj) = streamice_adot_uniform |
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C_basal_friction(i,j,bi,bj) = C_basal_fric_const |
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B_glen(i,j,bi,bj) = B_glen_isothermal |
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H_streamice_prev(i,j,bi,bj) = 0. _d 0 |
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#ifdef ALLOW_STREAMICE_2DTRACER |
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#ifdef STREAMICE_TRACER_AB |
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GAD_trac_2d (i,j,bi,bj) = 0. _d 0 |
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! GAD_trac_2dNm1 (i,j,bi,bj) = 0. _d 0 |
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#endif |
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#endif |
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#ifdef ALLOW_AUTODIFF_TAMC |
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ru_old_si(i,j,bi,bj) = 0. _d 0 |
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rv_old_si(i,j,bi,bj) = 0. _d 0 |
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zu_old_si(i,j,bi,bj) = 0. _d 0 |
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zv_old_si(i,j,bi,bj) = 0. _d 0 |
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! h_after_uflux_SI(i,j,bi,bj) = 0. _d 0 |
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#endif |
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#ifdef USE_ALT_RLOW |
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R_low_si(i,j,bi,bj) = 0. _d 0 |
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#endif |
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|
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#ifdef STREAMICE_HYBRID_STRESS |
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do k=1,Nr |
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visc_streamice_full(i,j,k,bi,bj) = |
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& eps_glen_min**((1-n_glen)/n_glen) |
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enddo |
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streamice_taubx (i,j,bi,bj) = 0. _d 0 |
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streamice_tauby (i,j,bi,bj) = 0. _d 0 |
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#endif |
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ENDDO |
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ENDDO |
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|
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#ifdef ALLOW_COST_TEST |
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cost_func1_streamice (bi,bj) = 0.0 |
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#endif |
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|
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ENDDO |
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ENDDO |
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|
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DO j = 1-oly, sNy+oly |
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DO i = 1-olx, sNx+olx |
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DO bj = myByLo(myThid), myByHi(myThid) |
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DO bi = myBxLo(myThid), myBxHi(myThid) |
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cc DO k=1,4 |
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DO col_x=-1,1 |
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DO col_y=-1,1 |
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streamice_cg_A1(i,j,bi,bj,col_x,col_y)=0.0 |
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streamice_cg_A2(i,j,bi,bj,col_x,col_y)=0.0 |
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streamice_cg_A3(i,j,bi,bj,col_x,col_y)=0.0 |
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streamice_cg_A4(i,j,bi,bj,col_x,col_y)=0.0 |
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ENDDO |
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ENDDO |
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cc ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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|
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C INIT. INTEGER ARRAYS |
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|
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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-OLy,sNy+OLy |
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DO i=1-OLx,sNx+OLx |
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STREAMICE_hmask(i,j,bi,bj) = -1.0 |
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STREAMICE_umask(i,j,bi,bj) = 0.0 |
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STREAMICE_vmask(i,j,bi,bj) = 0.0 |
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STREAMICE_ufacemask(i,j,bi,bj) = 0.0 |
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STREAMICE_vfacemask(i,j,bi,bj) = 0.0 |
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STREAMICE_float_cond(i,j,bi,bj) = 0.0 |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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|
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|
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#ifdef USE_ALT_RLOW |
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! init alternate array for topog |
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IF ( STREAMICEtopogFile .NE. ' ' ) THEN |
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_BARRIER |
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C The 0 is the "iteration" argument. The ' ' is an empty suffix |
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CALL READ_FLD_XY_RL( STREAMICEtopogFile, '', |
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& R_low_si, 0, myThid ) |
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|
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ELSE |
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WRITE(msgBuf,'(A)') 'STREAMICE TOPOG - FILENAME MISSING' |
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CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
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& SQUEEZE_RIGHT , 1) |
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ENDIF |
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#endif |
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|
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! initialize thickness |
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|
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#ifndef STREAMICE_GEOM_FILE_SETUP |
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|
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IF ( STREAMICEthickInit.EQ.'PARAM' ) THEN |
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|
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WRITE(msgBuf,'(A)') 'initializing analytic thickness' |
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CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
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& SQUEEZE_RIGHT , 1) |
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|
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slope_pos = shelf_edge_pos - shelf_flat_width |
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c1 = 0.0 |
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IF (shelf_slope_scale .GT. 0.0) THEN |
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c1 = 1.0 / shelf_slope_scale |
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ENDIF |
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|
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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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Gi = (myXGlobalLo-1)+(bi-1)*sNx+i |
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Gj = (myYGlobalLo-1)+(bj-1)*sNy+j |
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|
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IF ((Gi.lt.Nx).and.(Gj.lt.Ny)) THEN |
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|
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C IF (flow_dir .EQ. 2.0) THEN |
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IF (.TRUE.) THEN |
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IF (xC(i-1,j,bi,bj).GE.shelf_edge_pos) THEN |
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area_shelf_streamice(i,j,bi,bj) = 0. _d 0 |
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STREAMICE_hmask(i,j,bi,bj) = 0. _d 0 |
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ELSE |
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|
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IF (xC(i,j,bi,bj).GT.slope_pos) THEN |
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H_streamice (i,j,bi,bj) = shelf_min_draft |
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ELSE |
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H_streamice (i,j,bi,bj) = (shelf_min_draft + |
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& (shelf_max_draft - shelf_min_draft) * |
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& min (oneRL, (c1*(slope_pos-xC(i,j,bi,bj)))**2)) |
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ENDIF |
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|
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IF (xC(i,j,bi,bj).GT.shelf_edge_pos) THEN |
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area_shelf_streamice(i,j,bi,bj) = rA(i,j,bi,bj) * |
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& (shelf_edge_pos-xG(i,j,bi,bj)) / |
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& (xG(i+1,j,bi,bj)-xG(i,j,bi,bj)) |
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IF (area_shelf_streamice(i,j,bi,bj).gt. 0. _d 0) THEN |
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STREAMICE_hmask(i,j,bi,bj) = 2.0 |
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ELSE |
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STREAMICE_hmask(i,j,bi,bj) = 0.0 |
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H_streamice(i,j,bi,bj) = 0.0 |
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ENDIF |
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ELSE |
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area_shelf_streamice(i,j,bi,bj) = rA(i,j,bi,bj) |
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STREAMICE_hmask(i,j,bi,bj) = 1.0 |
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ENDIF |
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|
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|
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ENDIF |
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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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|
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ELSE IF ( STREAMICEthickInit.EQ.'FILE' ) THEN |
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|
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IF ( STREAMICEthickFile .NE. ' ' ) THEN |
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_BARRIER |
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C The 0 is the "iteration" argument. The ' ' is an empty suffix |
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CALL READ_FLD_XY_RL( STREAMICEthickFile, ' ', H_streamice, |
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& 0, myThid ) |
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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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Gi = (myXGlobalLo-1)+(bi-1)*sNx+i |
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Gj = (myYGlobalLo-1)+(bj-1)*sNy+j |
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IF ((Gi.lt.Nx.OR.STREAMICE_EW_periodic).and. |
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& (Gj.lt.Ny.OR.STREAMICE_NS_periodic)) THEN |
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IF (H_streamice(i,j,bi,bj).GT.0. _d 0) THEN |
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area_shelf_streamice(i,j,bi,bj) = rA(i,j,bi,bj) |
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STREAMICE_hmask(i,j,bi,bj) = 1.0 |
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ELSE |
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area_shelf_streamice(i,j,bi,bj) = 0. _d 0 |
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STREAMICE_hmask(i,j,bi,bj) = 0. _d 0 |
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ENDIF |
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Do k=1,Nr |
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STREAMICE_ctrl_mask(i,j,k,bi,bj) = 1. _d 0 |
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enddo |
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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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ELSE |
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WRITE(msgBuf,'(A)') 'INIT THICKNESS - FILENAME MISSING' |
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CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
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& SQUEEZE_RIGHT , 1) |
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ENDIF |
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|
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ELSE |
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|
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WRITE(msgBuf,'(A)') 'INIT THICKNESS - NOT IMPLENTED' |
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CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
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& SQUEEZE_RIGHT , 1) |
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ENDIF |
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|
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#else |
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! STREAMICE_GEOM_FILE_SETUP - init thickness and hmask MUST come from file |
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|
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IF ( STREAMICEthickFile .NE. ' ' ) THEN |
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_BARRIER |
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C The 0 is the "iteration" argument. The ' ' is an empty suffix |
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CALL READ_FLD_XY_RL( STREAMICEthickFile, ' ', H_streamice, |
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& 0, myThid ) |
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ELSE |
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WRITE(msgBuf,'(A)') 'INIT THICKNESS - FILENAME MISSING' |
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CALL PRINT_ERROR( msgBuf, myThid) |
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ENDIF |
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|
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IF ( STREAMICEhMaskFile .NE. ' ' ) THEN |
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_BARRIER |
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C The 0 is the "iteration" argument. The ' ' is an empty suffix |
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CALL READ_FLD_XY_RS( STREAMICEhMaskFile, ' ', STREAMICE_hmask, |
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& 0, myThid ) |
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ELSE |
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WRITE(msgBuf,'(A)') 'INIT HMASK - FILENAME MISSING' |
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CALL PRINT_ERROR( msgBuf, myThid) |
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ENDIF |
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|
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#endif |
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! STREAMICE_GEOM_FILE_SETUP |
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|
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|
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! finish initialize thickness |
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|
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! initialize glen constant |
| 293 |
|
| 294 |
IF ( STREAMICEGlenConstConfig.EQ.'FILE' ) THEN |
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|
| 296 |
IF ( STREAMICEGlenConstFile .NE. ' ' ) THEN |
| 297 |
_BARRIER |
| 298 |
|
| 299 |
CALL READ_FLD_XY_RL( STREAMICEGlenConstFile, ' ', |
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& B_glen, 0, myThid ) |
| 301 |
|
| 302 |
ELSE |
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WRITE(msgBuf,'(A)') 'INIT GLEN - FILENAME MISSING' |
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CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
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& SQUEEZE_RIGHT , 1) |
| 306 |
ENDIF |
| 307 |
|
| 308 |
ELSE IF (STREAMICEGlenConstConfig.EQ.'UNIFORM' ) THEN |
| 309 |
|
| 310 |
DO bj = myByLo(myThid), myByHi(myThid) |
| 311 |
DO bi = myBxLo(myThid), myBxHi(myThid) |
| 312 |
DO j=1,sNy |
| 313 |
DO i=1,sNx |
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B_glen(i,j,bi,bj) = B_glen_isothermal |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
| 319 |
|
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ELSE |
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|
| 322 |
WRITE(msgBuf,'(A)') 'INIT GLEN CONSTANT - NOT IMPLENTED' |
| 323 |
CALL PRINT_ERROR( msgBuf, myThid) |
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STOP 'ABNORMAL END: S/R STREAMICE_INIT_VAR' |
| 325 |
ENDIF |
| 326 |
|
| 327 |
! finish initialize glen constant |
| 328 |
|
| 329 |
! initialize basal traction |
| 330 |
|
| 331 |
IF ( STREAMICEbasalTracConfig.EQ.'FILE' ) THEN |
| 332 |
|
| 333 |
IF ( STREAMICEbasalTracFile .NE. ' ' ) THEN |
| 334 |
_BARRIER |
| 335 |
|
| 336 |
CALL READ_FLD_XY_RL( STREAMICEbasalTracFile, ' ', |
| 337 |
& C_basal_friction, 0, myThid ) |
| 338 |
|
| 339 |
ELSE |
| 340 |
WRITE(msgBuf,'(A)') 'INIT C_BASAL - FILENAME MISSING' |
| 341 |
CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
| 342 |
& SQUEEZE_RIGHT , 1) |
| 343 |
ENDIF |
| 344 |
|
| 345 |
ELSE IF (STREAMICEbasalTracConfig.EQ.'UNIFORM' ) THEN |
| 346 |
|
| 347 |
DO bj = myByLo(myThid), myByHi(myThid) |
| 348 |
DO bi = myBxLo(myThid), myBxHi(myThid) |
| 349 |
DO j=1,sNy |
| 350 |
DO i=1,sNx |
| 351 |
C_basal_friction(i,j,bi,bj) = C_basal_fric_const |
| 352 |
ENDDO |
| 353 |
ENDDO |
| 354 |
ENDDO |
| 355 |
ENDDO |
| 356 |
|
| 357 |
ELSE IF (STREAMICEbasalTracConfig.EQ.'2DPERIODIC' ) THEN |
| 358 |
|
| 359 |
lenx = sNx*nSx*nPx*delX(1) |
| 360 |
leny = sNy*nSy*nPy*delY(1) |
| 361 |
DO bj = myByLo(myThid), myByHi(myThid) |
| 362 |
DO bi = myBxLo(myThid), myBxHi(myThid) |
| 363 |
DO j=1,sNy |
| 364 |
DO i=1,sNx |
| 365 |
x = xC(i,j,bi,bj) |
| 366 |
y = yC(i,j,bi,bj) |
| 367 |
C_basal_friction(i,j,bi,bj) = |
| 368 |
& sqrt(C_basal_fric_const**2* |
| 369 |
& (1+sin(2*streamice_kx_b_init*PI*x/lenx)* |
| 370 |
& sin(2*streamice_ky_b_init*PI*y/leny))) |
| 371 |
ENDDO |
| 372 |
ENDDO |
| 373 |
ENDDO |
| 374 |
ENDDO |
| 375 |
|
| 376 |
ELSE IF (STREAMICEbasalTracConfig.EQ.'1DPERIODIC' ) THEN |
| 377 |
|
| 378 |
lenx = sNx*nSx*nPx*delX(1) |
| 379 |
DO bj = myByLo(myThid), myByHi(myThid) |
| 380 |
DO bi = myBxLo(myThid), myBxHi(myThid) |
| 381 |
DO j=1,sNy |
| 382 |
DO i=1,sNx |
| 383 |
x = xC(i,j,bi,bj) |
| 384 |
y = yC(i,j,bi,bj) |
| 385 |
C_basal_friction(i,j,bi,bj) = |
| 386 |
& sqrt(C_basal_fric_const**2*(1+ |
| 387 |
& sin(2*streamice_kx_b_init*PI*x/lenx))) |
| 388 |
ENDDO |
| 389 |
ENDDO |
| 390 |
ENDDO |
| 391 |
ENDDO |
| 392 |
|
| 393 |
ELSE |
| 394 |
|
| 395 |
WRITE(msgBuf,'(A)') 'INIT TRAC - NOT IMPLENTED' |
| 396 |
CALL PRINT_ERROR( msgBuf, myThid) |
| 397 |
STOP 'ABNORMAL END: S/R STREAMICE_INIT_VAR' |
| 398 |
ENDIF |
| 399 |
|
| 400 |
! finish initialize basal trac |
| 401 |
|
| 402 |
#ifdef ALLOW_STREAMICE_2DTRACER |
| 403 |
|
| 404 |
IF ( STREAMICETRAC2DINITFILE .NE. ' ' ) THEN |
| 405 |
_BARRIER |
| 406 |
|
| 407 |
CALL READ_FLD_XY_RL( STREAMICETRAC2dInitFile, ' ', |
| 408 |
& trac2d, 0, myThid ) |
| 409 |
|
| 410 |
ELSE |
| 411 |
WRITE(msgBuf,'(A)') 'TRAC2dInit - NO FILE SPECIFIED' |
| 412 |
CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
| 413 |
& SQUEEZE_RIGHT , 1) |
| 414 |
DO bj = myByLo(myThid), myByHi(myThid) |
| 415 |
DO bi = myBxLo(myThid), myBxHi(myThid) |
| 416 |
DO j=1,sNy |
| 417 |
DO i=1,sNx |
| 418 |
trac2d(i,j,bi,bj) = 0.0 |
| 419 |
ENDDO |
| 420 |
ENDDO |
| 421 |
ENDDO |
| 422 |
ENDDO |
| 423 |
|
| 424 |
ENDIF |
| 425 |
|
| 426 |
_EXCH_XY_RL (trac2d, myThid) |
| 427 |
|
| 428 |
|
| 429 |
#endif /*STREAMICE_ALLOW_2DTRACER*/ |
| 430 |
|
| 431 |
CALL STREAMICE_UPD_FFRAC_UNCOUPLED ( myThid ) |
| 432 |
|
| 433 |
_EXCH_XY_RL(H_streamice, myThid ) |
| 434 |
_EXCH_XY_RS(STREAMICE_hmask, myThid ) |
| 435 |
_EXCH_XY_RL(area_shelf_streamice, myThid ) |
| 436 |
_EXCH_XY_RL(C_basal_friction, myThid ) |
| 437 |
_EXCH_XY_RL(B_glen, myThid ) |
| 438 |
#ifdef USE_ALT_RLOW |
| 439 |
_EXCH_XY_RL(R_low_si, myThid ) |
| 440 |
#endif |
| 441 |
|
| 442 |
!#ifdef STREAMICE_HYBRID_STRESS |
| 443 |
|
| 444 |
! CALL STREAMICE_VISC_BETA (myThid) |
| 445 |
|
| 446 |
! DNG THIS CALL IS TO INITIALISE VISCOSITY |
| 447 |
! TO AVOID POSSIBLE ADJOINT INSTABILITIES |
| 448 |
! IT IS WRITTEN OVER IN FIRST TIMESTEP |
| 449 |
|
| 450 |
#ifdef ALLOW_AUTODIFF |
| 451 |
|
| 452 |
CALL STREAMICE_UPD_FFRAC_UNCOUPLED ( myThid ) |
| 453 |
CALL STREAMICE_VELMASK_UPD (myThid) |
| 454 |
CALL STREAMICE_VEL_SOLVE( myThid ) |
| 455 |
|
| 456 |
#endif |
| 457 |
|
| 458 |
!#endif |
| 459 |
|
| 460 |
CALL WRITE_FLD_XY_RL ( "C_basal_fric", "", |
| 461 |
& C_basal_friction, 0, myThid ) |
| 462 |
CALL WRITE_FLD_XY_RL ( "B_glen_sqrt", "", |
| 463 |
& B_glen, 0, myThid ) |
| 464 |
CALL WRITE_FLD_XY_RL ( "H_streamice", "init", |
| 465 |
& H_streamIce, 0, myThid ) |
| 466 |
#ifdef ALLOW_STREAMICE_2DTRACER |
| 467 |
CALL WRITE_FLD_XY_RL ( "2DTracer", "init", |
| 468 |
& trac2d, 0, myThid ) |
| 469 |
#endif |
| 470 |
CALL WRITE_FLD_XY_RL ( "area_shelf_streamice", "init", |
| 471 |
& area_shelf_streamice, 0, myThid ) |
| 472 |
CALL WRITE_FLD_XY_RS ( "STREAMICE_hmask", "init", |
| 473 |
& STREAMICE_hmask, 0, myThid ) |
| 474 |
#ifdef ALLOW_CTRL |
| 475 |
CALL ACTIVE_WRITE_GEN_RS( 'maskCtrlst', STREAMICE_ctrl_mask, |
| 476 |
& 'XY', Nr, 1, .FALSE., 0, myThid, dummyRS ) |
| 477 |
#endif |
| 478 |
! call active_write_xyz( 'maskCtrlS', STREAMICE_ctrl_mask, 1, 0, |
| 479 |
! & myThid, dummy) |
| 480 |
! CALL STREAMICE_VELMASK_UPD (myThid) |
| 481 |
! CALL STREAMICE_UPD_FFRAC_UNCOUPLED ( myThid ) |
| 482 |
! CALL STREAMICE_VEL_SOLVE( myThid ) |
| 483 |
|
| 484 |
CALL WRITE_FLD_XY_RL ( "U_init", "", |
| 485 |
& C_basal_friction, 0, myThid ) |
| 486 |
CALL WRITE_FLD_XY_RL ( "V_init", "", |
| 487 |
& V_streamice, 0, myThid ) |
| 488 |
#ifdef USE_ALT_RLOW |
| 489 |
CALL WRITE_FLD_XY_RL ( "R_low_si", "init", |
| 490 |
& R_low_si, 0, myThid ) |
| 491 |
#endif |
| 492 |
|
| 493 |
! CALL WRITE_FULLARRAY_RL ("H",H_streamice,1,0,0,1,0,myThid) |
| 494 |
! CALL WRITE_FULLARRAY_RS ("hmask",STREAMICE_hmask,1,0,0,1,0,myThid) |
| 495 |
! CALL WRITE_FULLARRAY_RL ("umask",STREAMICE_umask,1,0,0,1,0,myThid) |
| 496 |
|
| 497 |
#endif /* ALLOW_STREAMICE */ |
| 498 |
|
| 499 |
RETURN |
| 500 |
END |
| 501 |
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