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C $Header: /u/gcmpack/MITgcm_contrib/dgoldberg/streamice/streamice_init_varia.F,v 1.4 2012/09/18 17:06:48 dgoldberg Exp $ |
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C $Name: $ |
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|
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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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CEOP |
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|
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C ZERO OUT FLOATING POINT 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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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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! C_basal_friction(i,j,bi,bj) = C_basal_fric_const |
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A_glen(i,j,bi,bj) = A_glen_isothermal |
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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 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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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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! initialize thickness |
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|
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IF ( STREAMICEthickInit.EQ.'PARAM' ) THEN |
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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 (1.0, (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_RS( 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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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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! finish initialize thickness |
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|
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! initialize basal traction |
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|
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IF ( STREAMICEbasalTracConfig.EQ.'FILE' ) THEN |
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|
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IF ( STREAMICEbasalTracFile .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( STREAMICEbasalTracFile, ' ', |
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& C_basal_friction, 0, myThid ) |
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|
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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 IF (STREAMICEbasalTracConfig.EQ.'UNIFORM' ) THEN |
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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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C_basal_friction(i,j,bi,bj) = C_basal_fric_const |
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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 (STREAMICEbasalTracConfig.EQ.'2DPERIODIC' ) THEN |
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|
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lenx = sNx*nSx*nPx*delX(1) |
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leny = sNy*nSy*nPy*delY(1) |
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print *, 'lenx', lenx |
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print *, 'leny', leny |
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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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x = xC(i,j,bi,bj) |
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y = yC(i,j,bi,bj) |
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C_basal_friction(i,j,bi,bj) = |
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& sqrt(C_basal_fric_const**2* |
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& (1+sin(2*streamice_kx_b_init*PI*x/lenx)* |
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& sin(2*streamice_ky_b_init*PI*y/leny))) |
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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 (STREAMICEbasalTracConfig.EQ.'1DPERIODIC' ) THEN |
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|
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lenx = sNx*nSx*nPx*delX(1) |
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print *, 'lenx', lenx |
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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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x = xC(i,j,bi,bj) |
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y = yC(i,j,bi,bj) |
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C_basal_friction(i,j,bi,bj) = |
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& sqrt(C_basal_fric_const**2*(1+ |
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& sin(2*streamice_kx_b_init*PI*x/lenx))) |
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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 |
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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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! finish initialize basal traction |
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|
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CALL STREAMICE_UPD_FFRAC_UNCOUPLED ( myThid ) |
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|
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_EXCH_XY_RL(H_streamice, myThid ) |
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_EXCH_XY_RL(STREAMICE_hmask, myThid ) |
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_EXCH_XY_RL(area_shelf_streamice, myThid ) |
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_EXCH_XY_RL(C_basal_friction, myThid ) |
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|
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|
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#ifdef STREAMICE_HYBRID_STRESS |
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|
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CALL STREAMICE_VISC_BETA (myThid) |
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|
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#endif |
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|
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CALL WRITE_FLD_XY_RL ( "H_streamice", "init", |
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& H_streamIce, 0, myThid ) |
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CALL WRITE_FLD_XY_RL ( "area_shelf_streamice", "init", |
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& area_shelf_streamice, 0, myThid ) |
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CALL WRITE_FLD_XY_RL ( "STREAMICE_hmask", "init", |
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& STREAMICE_hmask, 0, myThid ) |
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|
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! CALL STREAMICE_VELMASK_UPD (myThid) |
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! CALL STREAMICE_UPD_FFRAC_UNCOUPLED ( myThid ) |
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! CALL STREAMICE_VEL_SOLVE( myThid ) |
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|
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CALL WRITE_FLD_XY_RL ( "U_init", "", |
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& C_basal_friction, 0, myThid ) |
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CALL WRITE_FLD_XY_RL ( "V_init", "", |
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& V_streamice, 0, myThid ) |
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|
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! CALL WRITE_FULLARRAY_RL ("H",H_streamice,1,0,0,1,0,myThid) |
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! CALL WRITE_FULLARRAY_RL ("hmask",STREAMICE_hmask,1,0,0,1,0,myThid) |
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! CALL WRITE_FULLARRAY_RL ("umask",STREAMICE_umask,1,0,0,1,0,myThid) |
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|
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#endif /* ALLOW_STREAMICE */ |
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|
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RETURN |
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END |
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