C $Header: /home/ubuntu/mnt/e9_copy/MITgcm/pkg/streamice/streamice_readparms.F,v 1.3 2014/04/24 12:02:41 dgoldberg Exp $
C $Name:  $


C this needs changes

#include "STREAMICE_OPTIONS.h"

C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----|
CBOP 0
      SUBROUTINE STREAMICE_READPARMS( myThid )

C     !DESCRIPTION:
C     Initialize STREAMICE variables and constants.

C     !USES:
      IMPLICIT NONE
#include "SIZE.h"
#include "EEPARAMS.h"
#include "PARAMS.h"
#include "STREAMICE.h"
#include "STREAMICE_BDRY.h"
#ifdef ALLOW_STREAMICE_FLUX_CONTROL
#include "STREAMICE_CTRL_FLUX.h"      
#endif

C     !INPUT PARAMETERS:
      INTEGER myThid
CEOP

#ifdef ALLOW_STREAMICE

C     !LOCAL VARIABLES:
C     msgBuf     :: Informational/error message buffer
C     iUnit      :: Work variable for IO unit number
      CHARACTER*(MAX_LEN_MBUF) msgBuf
      INTEGER iUnit, iarr, tarr

      NAMELIST /STREAMICE_PARM01/
     &     streamice_density, streamice_density_ocean_avg,
     &     B_glen_isothermal, n_glen, eps_glen_min, eps_u_min,
     &     C_basal_fric_const, n_basal_friction, 
     &     streamice_vel_update,streamice_cg_tol,streamice_nonlin_tol,
     &     streamice_nonlin_tol_fp,
     &     streamice_max_cg_iter, streamice_max_nl_iter,
     &     STREAMICE_GL_regularize,
     &     STREAMICEthickInit,
     &     STREAMICEsigcoordInit,
     &     STREAMICEsigcoordFile,
     &     STREAMICEthickFile,
     &     STREAMICEcalveMaskFile,
     &     STREAMICEcostMaskFile,
     &     STREAMICEison,
     &     STREAMICE_dump_mdsio, STREAMICE_tave_mdsio,
     &     STREAMICE_dump_mnc, STREAMICE_tave_mnc,
     &     STREAMICE_GL_regularize, STREAMICE_move_front,
     &     STREAMICE_calve_to_mask,
     &     STREAMICE_diagnostic_only,
     &     STREAMICE_lower_cg_tol,
     &     streamice_CFL_factor,
     &     streamice_adjDump,
     &     streamice_bg_surf_slope_x, streamice_bg_surf_slope_y,
     &     streamice_kx_b_init, streamice_ky_b_init,
     &     STREAMICEbasalTracConfig,
     &     STREAMICEBdotConfig,
     &     STREAMICEbasalTracFile,
     &     STREAMICEBdotFile,
     &     STREAMICEvelOptimFile,
     &     STREAMICEtopogFile,
     &     STREAMICEhmaskFile,
     &     STREAMICEHBCyFile,
     &     STREAMICEHBCxFile,
     &     STREAMICEuFaceBdryFile,
     &     STREAMICEvFaceBdryFile,
     &     STREAMICEuDirichValsFile,
     &     STREAMICEvDirichValsFile, 
     &     STREAMICEuMassFluxFile, 
     &     STREAMICEvMassFluxFile, 
     &     STREAMICEuNormalStressFile,
     &     STREAMICEvNormalStressFile,
     &     STREAMICEuShearStressFile,
     &     STREAMICEvShearStressFile,
     &     STREAMICEGlenConstFile, STREAMICEGlenConstConfig,
     &     STREAMICE_ppm_driving_stress,
     &     STREAMICE_h_ctrl_const_surf,
     &     streamice_wgt_drift,streamice_wgt_surf,streamice_wgt_vel,
     &     streamice_wgt_avthick, streamice_wgt_tikh, 
     &     streamice_addl_backstress,
     &     streamice_smooth_gl_width,
     &     streamice_adot_uniform,
     &     STREAMICE_ADV_SCHEME

#ifdef ALLOW_STREAMICE_2DTRACER
      NAMELIST /STREAMICE_PARMTRACER/
     &     STREAMICETrac2DBCxFile,
     &     STREAMICETrac2DBCyFile,
     &     STREAMICETrac2DINITFile
#endif

#ifdef ALLOW_PETSC
      NAMELIST /STREAMICE_PARMPETSC/
     &     PETSC_PRECOND_TYPE, PETSC_SOLVER_TYPE
#endif

#ifdef ALLOW_STREAMICE_FLUX_CONTROL
      NAMELIST /STREAMICE_PARMFLUXCTRL/
     &     n_fluxes, n_epochs,
     &     streamice_ctrl_flux_id,
     &     streamice_ctrl_flux_scaleVel
#endif


      NAMELIST /STREAMICE_PARM02/
     &     shelf_max_draft,
     &     shelf_min_draft,
     &     shelf_edge_pos,
     &     shelf_slope_scale,
     &     shelf_flat_width,
     &     flow_dir

      NAMELIST /STREAMICE_PARM03/
     &     min_x_noflow_NORTH, max_x_noflow_NORTH,
     &     min_x_noflow_SOUTH, max_x_noflow_SOUTH,
     &     min_y_noflow_WEST, max_y_noflow_WEST,
     &     min_y_noflow_EAST, max_y_noflow_EAST,
     &     min_x_noStress_NORTH, max_x_noStress_NORTH,
     &     min_x_noStress_SOUTH, max_x_noStress_SOUTH,
     &     min_y_noStress_WEST, max_y_noStress_WEST,
     &     min_y_noStress_EAST, max_y_noStress_EAST,
     &     min_x_FluxBdry_NORTH, max_x_FluxBdry_NORTH,
     &     min_x_FluxBdry_SOUTH, max_x_FluxBdry_SOUTH,
     &     min_y_FluxBdry_WEST, max_y_FluxBdry_WEST,
     &     min_y_FluxBdry_EAST, max_y_FluxBdry_EAST,
     &     min_x_Dirich_NORTH, max_x_Dirich_NORTH,
     &     min_x_Dirich_SOUTH, max_x_Dirich_SOUTH,
     &     min_y_Dirich_WEST, max_y_Dirich_WEST,
     &     min_y_Dirich_EAST, max_y_Dirich_EAST,
     &     min_x_CFBC_NORTH, max_x_CFBC_NORTH,
     &     min_x_CFBC_SOUTH, max_x_CFBC_SOUTH,
     &     min_y_CFBC_WEST, max_y_CFBC_WEST,
     &     min_y_CFBC_EAST, max_y_CFBC_EAST,
     &     flux_bdry_val_SOUTH, flux_bdry_val_NORTH,
     &     flux_bdry_val_WEST, flux_bdry_val_EAST,
     &     STREAMICE_NS_periodic, STREAMICE_EW_periodic

      _BEGIN_MASTER(myThid)

C--   Default values for STREAMICE

      streamice_density = 917. 
      streamice_density_ocean_avg = 1024.
      B_glen_isothermal = 9.461e-18   !  Pa (-1/3) a
      n_glen = 3.
      eps_glen_min = 1.0e-12
      eps_u_min = 1.0e-6
      C_basal_fric_const = 31.71 ! Pa (m/a)-1n
      n_basal_friction = 1.
      streamice_vel_update = 169200. ! seconds
      streamice_cg_tol = 1e-6
      streamice_nonlin_tol = 1e-6
      streamice_nonlin_tol_fp = 1.e-14
      streamice_max_cg_iter = 2000
      streamice_max_nl_iter = 100
      streamice_n_sub_regularize = 4
      streamice_CFL_factor = .5
      streamice_adjDump = 0.
      streamice_bg_surf_slope_x = .0
      streamice_bg_surf_slope_y = 0.
      streamice_kx_b_init = 1.
      streamice_ky_b_init = 1.
      streamice_wgt_drift = 0.
      streamice_wgt_tikh = 0.
      streamice_wgt_surf = 0.     
      streamice_wgt_vel = 0.     
      streamice_wgt_avthick = 0.
      streamice_addl_backstress = 0.0
      streamice_smooth_gl_width = 0.0
      streamice_adot_uniform = 0.0

      STREAMICEthickInit = 'FILE'
      STREAMICEthickFile = ' '
      STREAMICEcalveMaskFile = ' '
      STREAMICEsigcoordInit = 'UNIFORM'
      STREAMICEsigcoordFile = ' '
      STREAMICEbasalTracConfig = 'UNIFORM'
      STREAMICEBdotConfig = ''
      STREAMICEBdotFile = ''
      STREAMICEbasalTracFile = ' '
      STREAMICEvelOptimFile = ''
      STREAMICEtopogFile = ''
      STREAMICEhmaskFile = ''
      STREAMICEHBCyFile = ''
      STREAMICEHBCxFile = ''
      STREAMICEuNormalStressFile = ''
      STREAMICEvNormalStressFile = ''
      STREAMICEuShearStressFile = ''
      STREAMICEvShearStressFile = ''

#ifdef ALLOW_STREAMICE_2DTRACER
      STREAMICETrac2DBCxFile = ''
      STREAMICETrac2DBCyFile = ''
      STREAMICETrac2DInitFile = ''
#endif
      STREAMICEuFaceBdryFile = ''
      STREAMICEvFaceBdryFile = ''
      STREAMICEuDirichValsFile = ''
      STREAMICEvDirichValsFile = ''
      STREAMICEuMassFluxFile = ''
      STREAMICEvMassFluxFile = ''
      STREAMICEGlenConstFile = ''
      STREAMICEcostMaskFile = ''
      STREAMICEGlenConstConfig = 'UNIFORM'
#ifdef ALLOW_PETSC
      PETSC_PRECOND_TYPE = 'PCBJACOBI'
      PETSC_SOLVER_TYPE = 'KSPCG'
#endif
      STREAMICE_ADV_SCHEME = ''

#ifdef ALLOW_STREAMICE_FLUX_CONTROL
      n_fluxes = 0
      n_epochs = 0
      DO iarr=1,n_fluxes_max
       streamice_ctrl_flux_id(iarr) = 0
       DO tarr=1,n_epochs_max
        streamice_ctrl_flux_scaleVel(iarr,tarr) = 0. _d 0
       ENDDO
      ENDDO
#endif

      STREAMICEison = .TRUE.
      STREAMICE_tave_mdsio = .TRUE.
      STREAMICE_dump_mdsio = .TRUE.
      STREAMICE_dump_mnc = .FALSE. 
      STREAMICE_tave_mnc = .FALSE.
      STREAMICE_GL_regularize = .FALSE.
      STREAMICE_move_front = .FALSE.
      STREAMICE_calve_to_mask = .FALSE.
!       STREAMICE_geom_file_setup = .FALSE.
!      STREAMICE_construct_matrix = .TRUE.
      STREAMICE_lower_cg_tol = .FALSE.
      STREAMICE_diagnostic_only = .FALSE.
      STREAMICE_ppm_driving_stress = .FALSE.
      STREAMICE_h_ctrl_const_surf = .FALSE.
!       STREAMICE_hybrid_stress= .FALSE.

      min_x_noflow_NORTH = 0.
      max_x_noflow_NORTH = 0.
      min_x_noflow_SOUTH = 0.
      max_x_noflow_SOUTH = 0.
      min_y_noflow_WEST = 0.
      max_y_noflow_WEST = 0.
      min_y_noflow_EAST = 0.
      max_y_noflow_EAST = 0.
      min_x_noStress_NORTH = 0.
      max_x_noStress_NORTH = 0.
      min_x_noStress_SOUTH = 0.
      max_x_noStress_SOUTH = 0.
      min_y_noStress_WEST = 0.
      max_y_noStress_WEST = 0.
      min_y_noStress_EAST = 0.
      max_y_noStress_EAST = 0.
      min_x_FluxBdry_NORTH = 0.
      max_x_FluxBdry_NORTH = 0.
      min_x_FluxBdry_SOUTH = 0.
      max_x_FluxBdry_SOUTH = 0.
      min_y_FluxBdry_WEST = 0.
      max_y_FluxBdry_WEST = 0.
      min_y_FluxBdry_EAST = 0.
      max_y_FluxBdry_EAST = 0.
      min_x_Dirich_NORTH = 0.
      max_x_Dirich_NORTH = 0.
      min_x_Dirich_SOUTH = 0.
      max_x_Dirich_SOUTH = 0.
      min_y_Dirich_WEST = 0.
      max_y_Dirich_WEST = 0.
      min_y_Dirich_EAST = 0.
      max_y_Dirich_EAST = 0.
      min_y_CFBC_WEST = 0.
      max_y_CFBC_WEST = 0.
      min_y_CFBC_EAST = 0.
      max_y_CFBC_EAST = 0.
      flux_bdry_val_SOUTH = 0.
      flux_bdry_val_NORTH = 0.
      flux_bdry_val_WEST = 0.
      flux_bdry_val_EAST = 0.

      STREAMICE_NS_periodic = .FALSE.
      STREAMICE_EW_periodic = .FALSE. 

      WRITE(msgBuf,'(A)') 'STREAMICE_READPARMS: opening data.streamice'
      CALL PRINT_MESSAGE( msgBuf, standardMessageUnit,
     &                    SQUEEZE_RIGHT , 1)
      CALL OPEN_COPY_DATA_FILE(
     I                     'data.streamice', 'STREAMICE_READPARMS',
     O                     iUnit,
     I                     myThid )

C     Read parameters from open data file
      READ(UNIT=iUnit,NML=STREAMICE_PARM01)
      WRITE(msgBuf,'(A)')
     &    'STREAMICE_READPARMS: read first param block'
      CALL PRINT_MESSAGE( msgBuf, standardMessageUnit,
     &    SQUEEZE_RIGHT , 1)

      IF (TRIM(STREAMICEthickInit) .eq. "PARAM") THEN
       READ(UNIT=iUnit,NML=STREAMICE_PARM02)
        WRITE(msgBuf,'(A)')
     &    'STREAMICE_READPARMS: read second param block'
       CALL PRINT_MESSAGE( msgBuf, standardMessageUnit,
     &    SQUEEZE_RIGHT , 1)
      ENDIF

#ifdef ALLOW_STREAMICE_2DTRACER
      READ(UNIT=iUnit,NML=STREAMICE_PARMTRACER)
      WRITE(msgBuf,'(A)')
     &    'STREAMICE_READPARMS: read tracer param block'
      CALL PRINT_MESSAGE( msgBuf, standardMessageUnit,
     &    SQUEEZE_RIGHT , 1)
#endif

#ifdef ALLOW_PETSC
      READ(UNIT=iUnit,NML=STREAMICE_PARMPETSC)
      WRITE(msgBuf,'(A)')
     &    'STREAMICE_READPARMS: read petsc param block'
      CALL PRINT_MESSAGE( msgBuf, standardMessageUnit,
     &    SQUEEZE_RIGHT , 1)
#endif


      READ(UNIT=iUnit,NML=STREAMICE_PARM03)
      WRITE(msgBuf,'(A)')
     &    'STREAMICE_READPARMS: read third param block'
      CALL PRINT_MESSAGE( msgBuf, standardMessageUnit,
     &    SQUEEZE_RIGHT , 1)
      CLOSE(iUnit)


#ifdef ALLOW_STREAMICE_FLUX_CONTROL

      CALL OPEN_COPY_DATA_FILE(
     I                     'data.strmctrlflux', 'STREAMICE_READPARMS',
     O                     iUnit,
     I                     myThid )


      READ(UNIT=iUnit,NML=STREAMICE_PARMFLUXCTRL)
      WRITE(msgBuf,'(A)')
     &    'STREAMICE_READPARMS: read flux_ctrl param block'
      CALL PRINT_MESSAGE( msgBuf, standardMessageUnit,
     &    SQUEEZE_RIGHT , 1)
      CLOSE(iUnit)
#endif



      streamice_nstep_velocity = NINT (streamice_vel_update / deltaT)

C-    Set Output type flags :
      
#ifdef ALLOW_MNC
      IF (useMNC) THEN
        IF ( .NOT.outputTypesInclusive
     &       .AND. STREAMICE_tave_mnc ) STREAMICE_tave_mdsio = .FALSE.
        IF ( .NOT.outputTypesInclusive
     &       .AND. STREAMICE_dump_mnc ) STREAMICE_dump_mdsio = .FALSE.
      ENDIF
#endif

      _END_MASTER(myThid)

C--   Everyone else must wait for the parameters to be loaded
      _BARRIER

#endif /* ALLOW_STREAMICE */

      RETURN
      END