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icedrv_InitMod.F90
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icedrv_InitMod.F90
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!=======================================================================
!
! This module contains the Icepack initialization routine that sets model
! parameters and initializes the grid and state variables.
!
! authors Elizabeth C. Hunke, LANL
module icedrv_InitMod
use icedrv_kinds
use icedrv_constants, only: nu_diag
use icepack_intfc, only: icepack_warnings_flush, icepack_warnings_aborted
use icepack_intfc, only: icepack_query_parameters, icepack_query_tracer_flags
use icepack_intfc, only: icepack_write_tracer_flags, icepack_write_tracer_indices
use icepack_intfc, only: icepack_write_tracer_sizes
use icedrv_system, only: icedrv_system_abort
implicit none
private
public :: icedrv_initialize
!=======================================================================
contains
!=======================================================================
! Initialize Icepack
subroutine icedrv_initialize
use icedrv_arrays_column, only: hin_max, c_hi_range
use icedrv_arrays_column, only: floe_rad_l, floe_rad_c, &
floe_binwidth, c_fsd_range
use icedrv_calendar, only: dt, time, istep, istep1, &
init_calendar, calendar
use icepack_intfc, only: icepack_init_itd, icepack_init_itd_hist
use icepack_intfc, only: icepack_init_fsd_bounds
use icepack_intfc, only: icepack_init_snow
use icepack_intfc, only: icepack_warnings_flush
use icedrv_domain_size, only: ncat, nfsd
! use icedrv_diagnostics, only: icedrv_diagnostics_debug
use icedrv_flux, only: init_coupler_flux, init_history_therm, &
init_flux_atm_ocn
use icedrv_forcing, only: init_forcing, get_forcing, get_wave_spec
use icedrv_forcing_bgc, only: get_forcing_bgc, faero_default, fiso_default, init_forcing_bgc
use icedrv_restart_shared, only: restart
use icedrv_init, only: input_data, init_state, init_grid2, init_fsd
use icedrv_init_column, only: init_thermo_vertical, init_shortwave, init_zbgc
use icepack_intfc, only: icepack_configure
logical (kind=log_kind) :: &
skl_bgc, & ! from icepack
z_tracers, & ! from icepack
tr_snow, & ! from icepack
tr_aero, & ! from icepack
tr_iso, & ! from icepack
tr_zaero, & ! from icepack
tr_fsd, wave_spec
character(len=*), parameter :: subname='(icedrv_initialize)'
call icepack_configure() ! initialize icepack
call icepack_warnings_flush(nu_diag)
if (icepack_warnings_aborted()) call icedrv_system_abort(string=subname, &
file=__FILE__,line= __LINE__)
call input_data ! namelist variables
call init_zbgc ! vertical biogeochemistry namelist
! generate some output
call icepack_write_tracer_flags(nu_diag)
call icepack_write_tracer_sizes(nu_diag)
call icepack_write_tracer_indices(nu_diag)
call icepack_warnings_flush(nu_diag)
if (icepack_warnings_aborted()) call icedrv_system_abort(string=subname, &
file=__FILE__,line= __LINE__)
call init_grid2 ! grid variables
call init_calendar ! initialize some calendar stuff
call init_coupler_flux ! initialize fluxes exchanged with coupler
call init_thermo_vertical ! initialize vertical thermodynamics
call icepack_init_itd(ncat=ncat, hin_max=hin_max)
call icepack_warnings_flush(nu_diag)
if (icepack_warnings_aborted(subname)) then
call icedrv_system_abort(file=__FILE__,line=__LINE__)
endif
call icepack_init_itd_hist(ncat=ncat, c_hi_range=c_hi_range, hin_max=hin_max) ! output
call icepack_query_tracer_flags(tr_fsd_out=tr_fsd)
call icepack_warnings_flush(nu_diag)
if (icepack_warnings_aborted(subname)) then
call icedrv_system_abort(file=__FILE__,line=__LINE__)
endif
if (tr_fsd) then
call icepack_init_fsd_bounds( &
nfsd=nfsd, & ! floe size distribution
floe_rad_l=floe_rad_l, & ! fsd size lower bound in m (radius)
floe_rad_c=floe_rad_c, & ! fsd size bin centre in m (radius)
floe_binwidth=floe_binwidth, & ! fsd size bin width in m (radius)
c_fsd_range=c_fsd_range) ! string for history output
call icepack_warnings_flush(nu_diag)
if (icepack_warnings_aborted(subname)) then
call icedrv_system_abort(file=__FILE__,line=__LINE__)
endif
endif
call init_fsd
call calendar(time) ! determine the initial date
call init_state ! initialize the ice state
call init_restart ! initialize restart variables
call init_history_therm ! initialize thermo history variables
if (restart) &
call init_shortwave ! initialize radiative transfer
istep = istep + 1 ! update time step counters
istep1 = istep1 + 1
time = time + dt ! determine the time and date
call calendar(time) ! at the end of the first timestep
!--------------------------------------------------------------------
! coupler communication or forcing data initialization
!--------------------------------------------------------------------
call icepack_query_parameters(skl_bgc_out=skl_bgc)
call icepack_query_parameters(z_tracers_out=z_tracers)
call icepack_query_parameters(wave_spec_out=wave_spec)
call icepack_query_tracer_flags(tr_snow_out=tr_snow)
call icepack_query_tracer_flags(tr_aero_out=tr_aero)
call icepack_query_tracer_flags(tr_iso_out=tr_iso)
call icepack_query_tracer_flags(tr_zaero_out=tr_zaero)
call icepack_warnings_flush(nu_diag)
if (icepack_warnings_aborted()) call icedrv_system_abort(string=subname, &
file=__FILE__,line= __LINE__)
call init_forcing ! initialize forcing (standalone)
if (skl_bgc .or. z_tracers) call init_forcing_bgc !cn
if (tr_fsd .and. wave_spec) call get_wave_spec ! wave spectrum in ice
call get_forcing(istep1) ! get forcing from data arrays
if (tr_snow) call icepack_init_snow ! snow aging table
if (tr_iso) call fiso_default ! default values
! aerosols
! if (tr_aero) call faero_data ! data file
! if (tr_zaero) call fzaero_data ! data file (gx1)
if (tr_aero .or. tr_zaero) call faero_default ! default values
if (skl_bgc .or. z_tracers) call get_forcing_bgc ! biogeochemistry
if (.not. restart) &
call init_shortwave ! initialize radiative transfer using current swdn
call init_flux_atm_ocn ! initialize atmosphere, ocean fluxes
end subroutine icedrv_initialize
!=======================================================================
subroutine init_restart
use icedrv_calendar, only: time, calendar
use icedrv_constants, only: nu_restart
use icepack_intfc, only: icepack_aggregate
use icedrv_domain_size, only: ncat, max_ntrcr, nx
use icedrv_init, only: ice_ic
use icedrv_init, only: tmask
use icedrv_init_column, only: init_hbrine, init_bgc
use icedrv_restart, only: restartfile
use icedrv_restart_shared, only: restart
use icedrv_restart_bgc, only: read_restart_bgc
use icedrv_state ! almost everything
integer(kind=int_kind) :: &
i ! horizontal indices
logical (kind=log_kind) :: &
skl_bgc, & ! from icepack
z_tracers, & ! from icepack
solve_zsal, & ! from icepack
tr_brine, & ! from icepack
tr_fsd ! from icepack
character(len=*), parameter :: subname='(init_restart)'
!-----------------------------------------------------------------
! query Icepack values
!-----------------------------------------------------------------
call icepack_query_parameters(skl_bgc_out=skl_bgc)
call icepack_query_parameters(z_tracers_out=z_tracers)
call icepack_query_parameters(solve_zsal_out=solve_zsal)
call icepack_query_tracer_flags(tr_brine_out=tr_brine, tr_fsd_out=tr_fsd)
call icepack_warnings_flush(nu_diag)
if (icepack_warnings_aborted()) call icedrv_system_abort(string=subname, &
file=__FILE__,line= __LINE__)
!-----------------------------------------------------------------
if (tr_brine .or. skl_bgc) then ! brine height tracer
call init_hbrine
endif
if (restart) then
call restartfile (ice_ic)
call calendar (time)
endif
if (solve_zsal .or. skl_bgc .or. z_tracers) then
if (tr_fsd) then
write (nu_diag,*) 'FSD implementation incomplete for use with BGC'
call icedrv_system_abort(string=subname,file=__FILE__,line=__LINE__)
endif
call init_bgc
if (restart) call read_restart_bgc ! complete BGC initialization
endif
close (nu_restart)
!-----------------------------------------------------------------
! aggregate tracers
!-----------------------------------------------------------------
do i = 1, nx
if (tmask(i)) &
call icepack_aggregate(ncat=ncat, &
aicen=aicen(i,:), &
vicen=vicen(i,:), &
vsnon=vsnon(i,:), &
trcrn=trcrn(i,:,:), &
aice=aice (i), &
vice=vice (i), &
vsno=vsno (i), &
trcr=trcr (i,:), &
aice0=aice0(i), &
ntrcr=max_ntrcr, &
trcr_depend=trcr_depend, &
trcr_base=trcr_base, &
n_trcr_strata=n_trcr_strata, &
nt_strata=nt_strata)
enddo
call icepack_warnings_flush(nu_diag)
if (icepack_warnings_aborted()) call icedrv_system_abort(string=subname, &
file=__FILE__, line=__LINE__)
end subroutine init_restart
!=======================================================================
end module icedrv_InitMod
!=======================================================================