C $Header: /home/ubuntu/mnt/e9_copy/MITgcm/pkg/streamice/streamice_init_varia.F,v 1.1 2013/06/12 21:30:22 dgoldberg Exp $ C $Name: $ #ifdef ALLOW_COST # include "COST_OPTIONS.h" #endif #include "STREAMICE_OPTIONS.h" C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| CBOP SUBROUTINE STREAMICE_INIT_VARIA( myThid ) C /============================================================\ C | SUBROUTINE STREAMICE_INIT_VARIA | C | o Routine to initialize STREAMICE variables. | C |============================================================| C | Initialize STREAMICE parameters and variables. | C \============================================================/ IMPLICIT NONE C === Global variables === #include "SIZE.h" #include "GRID.h" #include "SET_GRID.h" #include "EEPARAMS.h" #include "PARAMS.h" #include "STREAMICE.h" #include "STREAMICE_CG.h" #include "STREAMICE_ADV.h" C === Routine arguments === C myThid - Number of this instance of STREAMICE_INIT_VARIA INTEGER myThid CEndOfInterface #ifdef ALLOW_STREAMICE C === Local variables === C I,J,bi,bj - Loop counters INTEGER i, j, k, bi, bj, Gi, Gj INTEGER col_y, col_x _RL slope_pos, c1, x, y, lenx, leny CHARACTER*(MAX_LEN_MBUF) msgBuf _RS dummyRS CEOP C ZERO OUT FLOATING POINT ARRAYS DO bj = myByLo(myThid), myByHi(myThid) DO bi = myBxLo(myThid), myBxHi(myThid) DO j=1-Oly,sNy+Oly DO i=1-Olx,sNx+Olx H_streamIce(i,j,bi,bj) = 0. _d 0 U_streamice(i,j,bi,bj) = 0. _d 0 V_streamice(i,j,bi,bj) = 0. _d 0 visc_streamice(i,j,bi,bj) = 0. _d 0 tau_beta_eff_streamice(i,j,bi,bj) = 0. _d 0 float_frac_streamice(i,j,bi,bj) = 0. _d 0 base_el_streamice(i,j,bi,bj) = 0. _d 0 surf_el_streamice(i,j,bi,bj) = 0. _d 0 area_shelf_streamice(i,j,bi,bj) = 0. _d 0 mass_ice_streamice(i,j,bi,bj) = 0. _d 0 BDOT_streamice(i,j,bi,bj) = 0. _d 0 ADOT_streamice(i,j,bi,bj) = streamice_adot_uniform C_basal_friction(i,j,bi,bj) = C_basal_fric_const B_glen(i,j,bi,bj) = B_glen_isothermal H_streamice_prev(i,j,bi,bj) = 0. _d 0 #ifdef ALLOW_STREAMICE_2DTRACER #ifdef STREAMICE_TRACER_AB GAD_trac_2d (i,j,bi,bj) = 0. _d 0 ! GAD_trac_2dNm1 (i,j,bi,bj) = 0. _d 0 #endif #endif #ifdef ALLOW_AUTODIFF_TAMC ru_old_si(i,j,bi,bj) = 0. _d 0 rv_old_si(i,j,bi,bj) = 0. _d 0 zu_old_si(i,j,bi,bj) = 0. _d 0 zv_old_si(i,j,bi,bj) = 0. _d 0 ! h_after_uflux_SI(i,j,bi,bj) = 0. _d 0 #endif #ifdef USE_ALT_RLOW R_low_si(i,j,bi,bj) = 0. _d 0 #endif #ifdef STREAMICE_HYBRID_STRESS do k=1,Nr visc_streamice_full(i,j,k,bi,bj) = & eps_glen_min**((1-n_glen)/n_glen) enddo streamice_taubx (i,j,bi,bj) = 0. _d 0 streamice_tauby (i,j,bi,bj) = 0. _d 0 #endif ENDDO ENDDO #ifdef ALLOW_COST_TEST cost_func1_streamice (bi,bj) = 0.0 #endif ENDDO ENDDO DO j = 1-oly, sNy+oly DO i = 1-olx, sNx+olx DO bj = myByLo(myThid), myByHi(myThid) DO bi = myBxLo(myThid), myBxHi(myThid) cc DO k=1,4 DO col_x=-1,1 DO col_y=-1,1 streamice_cg_A1(i,j,bi,bj,col_x,col_y)=0.0 streamice_cg_A2(i,j,bi,bj,col_x,col_y)=0.0 streamice_cg_A3(i,j,bi,bj,col_x,col_y)=0.0 streamice_cg_A4(i,j,bi,bj,col_x,col_y)=0.0 ENDDO ENDDO cc ENDDO ENDDO ENDDO ENDDO ENDDO C INIT. INTEGER ARRAYS DO bj = myByLo(myThid), myByHi(myThid) DO bi = myBxLo(myThid), myBxHi(myThid) DO j=1-Oly,sNy+Oly DO i=1-Olx,sNx+Olx STREAMICE_hmask(i,j,bi,bj) = -1.0 STREAMICE_umask(i,j,bi,bj) = 0.0 STREAMICE_vmask(i,j,bi,bj) = 0.0 STREAMICE_ufacemask(i,j,bi,bj) = 0.0 STREAMICE_vfacemask(i,j,bi,bj) = 0.0 STREAMICE_float_cond(i,j,bi,bj) = 0.0 ENDDO ENDDO ENDDO ENDDO #ifdef USE_ALT_RLOW ! init alternate array for topog IF ( STREAMICEtopogFile .NE. ' ' ) THEN _BARRIER C The 0 is the "iteration" argument. The ' ' is an empty suffix CALL READ_FLD_XY_RS( STREAMICEtopogFile, '', & R_low_si, 0, myThid ) ELSE WRITE(msgBuf,'(A)') 'STREAMICE TOPOG - FILENAME MISSING' CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, & SQUEEZE_RIGHT , 1) ENDIF #endif ! initialize thickness #ifndef STREAMICE_GEOM_FILE_SETUP IF ( STREAMICEthickInit.EQ.'PARAM' ) THEN WRITE(msgBuf,'(A)') 'initializing analytic thickness' CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, & SQUEEZE_RIGHT , 1) slope_pos = shelf_edge_pos - shelf_flat_width c1 = 0.0 IF (shelf_slope_scale .GT. 0.0) THEN c1 = 1.0 / shelf_slope_scale ENDIF DO bj = myByLo(myThid), myByHi(myThid) DO bi = myBxLo(myThid), myBxHi(myThid) DO j=1,sNy DO i=1,sNx Gi = (myXGlobalLo-1)+(bi-1)*sNx+i Gj = (myYGlobalLo-1)+(bj-1)*sNy+j IF ((Gi.lt.Nx).and.(Gj.lt.Ny)) THEN C IF (flow_dir .EQ. 2.0) THEN IF (.TRUE.) THEN IF (xC(i-1,j,bi,bj).GE.shelf_edge_pos) THEN area_shelf_streamice(i,j,bi,bj) = 0. _d 0 STREAMICE_hmask(i,j,bi,bj) = 0. _d 0 ELSE IF (xC(i,j,bi,bj).GT.slope_pos) THEN H_streamice (i,j,bi,bj) = shelf_min_draft ELSE H_streamice (i,j,bi,bj) = (shelf_min_draft + & (shelf_max_draft - shelf_min_draft) * & min (1.0, (c1*(slope_pos-xC(i,j,bi,bj)))**2)) ENDIF IF (xC(i,j,bi,bj).GT.shelf_edge_pos) THEN area_shelf_streamice(i,j,bi,bj) = rA(i,j,bi,bj) * & (shelf_edge_pos-xG(i,j,bi,bj)) / & (xG(i+1,j,bi,bj)-xG(i,j,bi,bj)) IF (area_shelf_streamice(i,j,bi,bj).gt. 0. _d 0) THEN STREAMICE_hmask(i,j,bi,bj) = 2.0 ELSE STREAMICE_hmask(i,j,bi,bj) = 0.0 H_streamice(i,j,bi,bj) = 0.0 ENDIF ELSE area_shelf_streamice(i,j,bi,bj) = rA(i,j,bi,bj) STREAMICE_hmask(i,j,bi,bj) = 1.0 ENDIF ENDIF ENDIF ENDIF ENDDO ENDDO ENDDO ENDDO ELSE IF ( STREAMICEthickInit.EQ.'FILE' ) THEN IF ( STREAMICEthickFile .NE. ' ' ) THEN _BARRIER C The 0 is the "iteration" argument. The ' ' is an empty suffix CALL READ_FLD_XY_RL( STREAMICEthickFile, ' ', H_streamice, & 0, myThid ) DO bj = myByLo(myThid), myByHi(myThid) DO bi = myBxLo(myThid), myBxHi(myThid) DO j=1,sNy DO i=1,sNx Gi = (myXGlobalLo-1)+(bi-1)*sNx+i Gj = (myYGlobalLo-1)+(bj-1)*sNy+j IF ((Gi.lt.Nx.OR.STREAMICE_EW_periodic).and. & (Gj.lt.Ny.OR.STREAMICE_NS_periodic)) THEN IF (H_streamice(i,j,bi,bj).GT.0. _d 0) THEN area_shelf_streamice(i,j,bi,bj) = rA(i,j,bi,bj) STREAMICE_hmask(i,j,bi,bj) = 1.0 ELSE area_shelf_streamice(i,j,bi,bj) = 0. _d 0 STREAMICE_hmask(i,j,bi,bj) = 0. _d 0 ENDIF Do k=1,Nr STREAMICE_ctrl_mask(i,j,k,bi,bj) = 1. _d 0 enddo ENDIF ENDDO ENDDO ENDDO ENDDO ELSE WRITE(msgBuf,'(A)') 'INIT THICKNESS - FILENAME MISSING' CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, & SQUEEZE_RIGHT , 1) ENDIF ELSE WRITE(msgBuf,'(A)') 'INIT THICKNESS - NOT IMPLENTED' CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, & SQUEEZE_RIGHT , 1) ENDIF #else ! STREAMICE_GEOM_FILE_SETUP - init thickness and hmask MUST come from file IF ( STREAMICEthickFile .NE. ' ' ) THEN _BARRIER C The 0 is the "iteration" argument. The ' ' is an empty suffix CALL READ_FLD_XY_RL( STREAMICEthickFile, ' ', H_streamice, & 0, myThid ) ELSE WRITE(msgBuf,'(A)') 'INIT THICKNESS - FILENAME MISSING' CALL PRINT_ERROR( msgBuf, myThid) ENDIF IF ( STREAMICEhMaskFile .NE. ' ' ) THEN _BARRIER C The 0 is the "iteration" argument. The ' ' is an empty suffix CALL READ_FLD_XY_RS( STREAMICEhMaskFile, ' ', STREAMICE_hmask, & 0, myThid ) ELSE WRITE(msgBuf,'(A)') 'INIT HMASK - FILENAME MISSING' CALL PRINT_ERROR( msgBuf, myThid) ENDIF #endif ! STREAMICE_GEOM_FILE_SETUP ! finish initialize thickness ! initialize glen constant IF ( STREAMICEGlenConstConfig.EQ.'FILE' ) THEN IF ( STREAMICEGlenConstFile .NE. ' ' ) THEN _BARRIER CALL READ_FLD_XY_RL( STREAMICEGlenConstFile, ' ', & B_glen, 0, myThid ) ELSE WRITE(msgBuf,'(A)') 'INIT GLEN - FILENAME MISSING' CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, & SQUEEZE_RIGHT , 1) ENDIF ELSE IF (STREAMICEGlenConstConfig.EQ.'UNIFORM' ) THEN DO bj = myByLo(myThid), myByHi(myThid) DO bi = myBxLo(myThid), myBxHi(myThid) DO j=1,sNy DO i=1,sNx B_glen(i,j,bi,bj) = B_glen_isothermal ENDDO ENDDO ENDDO ENDDO ELSE WRITE(msgBuf,'(A)') 'INIT GLEN CONSTANT - NOT IMPLENTED' CALL PRINT_ERROR( msgBuf, myThid) STOP 'ABNORMAL END: S/R STREAMICE_INIT_VAR' ENDIF ! finish initialize glen constant ! initialize basal traction IF ( STREAMICEbasalTracConfig.EQ.'FILE' ) THEN IF ( STREAMICEbasalTracFile .NE. ' ' ) THEN _BARRIER CALL READ_FLD_XY_RL( STREAMICEbasalTracFile, ' ', & C_basal_friction, 0, myThid ) ELSE WRITE(msgBuf,'(A)') 'INIT C_BASAL - FILENAME MISSING' CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, & SQUEEZE_RIGHT , 1) ENDIF ELSE IF (STREAMICEbasalTracConfig.EQ.'UNIFORM' ) THEN DO bj = myByLo(myThid), myByHi(myThid) DO bi = myBxLo(myThid), myBxHi(myThid) DO j=1,sNy DO i=1,sNx C_basal_friction(i,j,bi,bj) = C_basal_fric_const ENDDO ENDDO ENDDO ENDDO ELSE IF (STREAMICEbasalTracConfig.EQ.'2DPERIODIC' ) THEN lenx = sNx*nSx*nPx*delX(1) leny = sNy*nSy*nPy*delY(1) DO bj = myByLo(myThid), myByHi(myThid) DO bi = myBxLo(myThid), myBxHi(myThid) DO j=1,sNy DO i=1,sNx x = xC(i,j,bi,bj) y = yC(i,j,bi,bj) C_basal_friction(i,j,bi,bj) = & sqrt(C_basal_fric_const**2* & (1+sin(2*streamice_kx_b_init*PI*x/lenx)* & sin(2*streamice_ky_b_init*PI*y/leny))) ENDDO ENDDO ENDDO ENDDO ELSE IF (STREAMICEbasalTracConfig.EQ.'1DPERIODIC' ) THEN lenx = sNx*nSx*nPx*delX(1) DO bj = myByLo(myThid), myByHi(myThid) DO bi = myBxLo(myThid), myBxHi(myThid) DO j=1,sNy DO i=1,sNx x = xC(i,j,bi,bj) y = yC(i,j,bi,bj) C_basal_friction(i,j,bi,bj) = & sqrt(C_basal_fric_const**2*(1+ & sin(2*streamice_kx_b_init*PI*x/lenx))) ENDDO ENDDO ENDDO ENDDO ELSE WRITE(msgBuf,'(A)') 'INIT TRAC - NOT IMPLENTED' CALL PRINT_ERROR( msgBuf, myThid) STOP 'ABNORMAL END: S/R STREAMICE_INIT_VAR' ENDIF ! finish initialize basal trac #ifdef ALLOW_STREAMICE_2DTRACER IF ( STREAMICETRAC2DINITFILE .NE. ' ' ) THEN _BARRIER CALL READ_FLD_XY_RL( STREAMICETRAC2dInitFile, ' ', & trac2d, 0, myThid ) ELSE WRITE(msgBuf,'(A)') 'TRAC2dInit - NO FILE SPECIFIED' CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, & SQUEEZE_RIGHT , 1) DO bj = myByLo(myThid), myByHi(myThid) DO bi = myBxLo(myThid), myBxHi(myThid) DO j=1,sNy DO i=1,sNx trac2d(i,j,bi,bj) = 0.0 ENDDO ENDDO ENDDO ENDDO ENDIF _EXCH_XY_RL (trac2d, myThid) #endif /*STREAMICE_ALLOW_2DTRACER*/ CALL STREAMICE_UPD_FFRAC_UNCOUPLED ( myThid ) _EXCH_XY_RL(H_streamice, myThid ) _EXCH_XY_RL(STREAMICE_hmask, myThid ) _EXCH_XY_RL(area_shelf_streamice, myThid ) _EXCH_XY_RL(C_basal_friction, myThid ) _EXCH_XY_RL(B_glen, myThid ) #ifdef USE_ALT_RLOW _EXCH_XY_RL(R_low_si, myThid ) #endif !#ifdef STREAMICE_HYBRID_STRESS ! CALL STREAMICE_VISC_BETA (myThid) ! DNG THIS CALL IS TO INITIALISE VISCOSITY ! TO AVOID POSSIBLE ADJOINT INSTABILITIES ! IT IS WRITTEN OVER IN FIRST TIMESTEP #ifdef ALLOW_AUTODIFF CALL STREAMICE_UPD_FFRAC_UNCOUPLED ( myThid ) CALL STREAMICE_VELMASK_UPD (myThid) CALL STREAMICE_VEL_SOLVE( myThid ) #endif !#endif CALL WRITE_FLD_XY_RL ( "C_basal_fric", "", & C_basal_friction, 0, myThid ) CALL WRITE_FLD_XY_RL ( "B_glen_sqrt", "", & B_glen, 0, myThid ) CALL WRITE_FLD_XY_RL ( "H_streamice", "init", & H_streamIce, 0, myThid ) #ifdef ALLOW_STREAMICE_2DTRACER CALL WRITE_FLD_XY_RL ( "2DTracer", "init", & trac2d, 0, myThid ) #endif CALL WRITE_FLD_XY_RL ( "area_shelf_streamice", "init", & area_shelf_streamice, 0, myThid ) CALL WRITE_FLD_XY_RL ( "STREAMICE_hmask", "init", & STREAMICE_hmask, 0, myThid ) #ifdef ALLOW_CTRL CALL ACTIVE_WRITE_GEN_RS( 'maskCtrlst', STREAMICE_ctrl_mask, & 'XY', Nr, 1, .FALSE., 0, mythid, dummyRS ) #endif ! call active_write_xyz( 'maskCtrlS', STREAMICE_ctrl_mask, 1, 0, ! & mythid, dummy) ! CALL STREAMICE_VELMASK_UPD (myThid) ! CALL STREAMICE_UPD_FFRAC_UNCOUPLED ( myThid ) ! CALL STREAMICE_VEL_SOLVE( myThid ) CALL WRITE_FLD_XY_RL ( "U_init", "", & C_basal_friction, 0, myThid ) CALL WRITE_FLD_XY_RL ( "V_init", "", & V_streamice, 0, myThid ) #ifdef USE_ALT_RLOW CALL WRITE_FLD_XY_RL ( "R_low_si", "init", & R_low_si, 0, myThid ) #endif ! CALL WRITE_FULLARRAY_RL ("H",H_streamice,1,0,0,1,0,myThid) ! CALL WRITE_FULLARRAY_RL ("hmask",STREAMICE_hmask,1,0,0,1,0,myThid) ! CALL WRITE_FULLARRAY_RL ("umask",STREAMICE_umask,1,0,0,1,0,myThid) #endif /* ALLOW_STREAMICE */ RETURN END