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atmos_model.F90
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atmos_model.F90
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!***********************************************************************
!* GNU General Public License *
!* This file is a part of fvGFS. *
!* *
!* fvGFS is free software; you can redistribute it and/or modify it *
!* and are expected to follow the terms of the GNU General Public *
!* License as published by the Free Software Foundation; either *
!* version 2 of the License, or (at your option) any later version. *
!* *
!* fvGFS is distributed in the hope that it will be useful, but *
!* WITHOUT ANY WARRANTY; without even the implied warranty of *
!* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
!* General Public License for more details. *
!* *
!* For the full text of the GNU General Public License, *
!* write to: Free Software Foundation, Inc., *
!* 675 Mass Ave, Cambridge, MA 02139, USA. *
!* or see: http://www.gnu.org/licenses/gpl.html *
!***********************************************************************
module atmos_model_mod
!-----------------------------------------------------------------------
!<OVERVIEW>
! Driver for the atmospheric model, contains routines to advance the
! atmospheric model state by one time step.
!</OVERVIEW>
!<DESCRIPTION>
! This version of atmos_model_mod has been designed around the implicit
! version diffusion scheme of the GCM. It requires two routines to advance
! the atmospheric model one time step into the future. These two routines
! correspond to the down and up sweeps of the standard tridiagonal solver.
! Most atmospheric processes (dynamics,radiation,etc.) are performed
! in the down routine. The up routine finishes the vertical diffusion
! and computes moisture related terms (convection,large-scale condensation,
! and precipitation).
! The boundary variables needed by other component models for coupling
! are contained in a derived data type. A variable of this derived type
! is returned when initializing the atmospheric model. It is used by other
! routines in this module and by coupling routines. The contents of
! this derived type should only be modified by the atmospheric model.
!</DESCRIPTION>
use mpp_mod, only: mpp_pe, mpp_root_pe, mpp_clock_id, mpp_clock_begin
use mpp_mod, only: mpp_clock_end, CLOCK_COMPONENT, MPP_CLOCK_SYNC
use mpp_mod, only: FATAL, mpp_min, mpp_max, mpp_error, mpp_chksum
use mpp_domains_mod, only: domain2d
use mpp_mod, only: mpp_get_current_pelist_name
#ifdef INTERNAL_FILE_NML
use mpp_mod, only: input_nml_file
#else
use fms_mod, only: open_namelist_file
#endif
use fms_mod, only: file_exist, error_mesg
use fms_mod, only: close_file, write_version_number, stdlog, stdout
use fms_mod, only: clock_flag_default
use fms_mod, only: check_nml_error
use diag_manager_mod, only: diag_send_complete_instant
use time_manager_mod, only: time_type, get_time, get_date, &
operator(+), operator(-),real_to_time_type
use field_manager_mod, only: MODEL_ATMOS
use tracer_manager_mod, only: get_number_tracers, get_tracer_names, &
get_tracer_index, NO_TRACER
use xgrid_mod, only: grid_box_type
use atmosphere_mod, only: atmosphere_init
use atmosphere_mod, only: atmosphere_restart
use atmosphere_mod, only: atmosphere_end
use atmosphere_mod, only: atmosphere_state_update
use atmosphere_mod, only: atmos_phys_driver_statein
use atmosphere_mod, only: atmosphere_control_data
use atmosphere_mod, only: atmosphere_resolution, atmosphere_domain
use atmosphere_mod, only: atmosphere_grid_bdry, atmosphere_grid_ctr
use atmosphere_mod, only: atmosphere_dynamics, atmosphere_diag_axes
use atmosphere_mod, only: atmosphere_etalvls, atmosphere_hgt
!rab use atmosphere_mod, only: atmosphere_tracer_postinit
use atmosphere_mod, only: atmosphere_diss_est, atmosphere_nggps_diag
use atmosphere_mod, only: atmosphere_scalar_field_halo
use atmosphere_mod, only: atmosphere_get_bottom_layer
use atmosphere_mod, only: set_atmosphere_pelist
use atmosphere_mod, only: Atm, mygrid
use block_control_mod, only: block_control_type, define_blocks_packed
use DYCORE_typedefs, only: DYCORE_data_type, DYCORE_diag_type
#ifdef CCPP
use IPD_typedefs, only: IPD_init_type, IPD_diag_type, &
IPD_restart_type, IPD_kind_phys, &
IPD_func0d_proc, IPD_func1d_proc
#else
use IPD_typedefs, only: IPD_init_type, IPD_control_type, &
IPD_data_type, IPD_diag_type, &
IPD_restart_type, IPD_kind_phys, &
IPD_func0d_proc, IPD_func1d_proc
#endif
#ifdef CCPP
use CCPP_data, only: ccpp_suite, &
IPD_control => GFS_control, &
IPD_data => GFS_data, &
IPD_interstitial => GFS_interstitial
use IPD_driver, only: IPD_initialize, IPD_initialize_rst
use CCPP_driver, only: CCPP_step, non_uniform_blocks
use stochastic_physics_wrapper_mod, only: stochastic_physics_wrapper,stochastic_physics_wrapper_end
#else
use IPD_driver, only: IPD_initialize, IPD_initialize_rst, IPD_step
use physics_abstraction_layer, only: time_vary_step, radiation_step1, physics_step1, physics_step2
#endif
use FV3GFS_io_mod, only: FV3GFS_restart_read, FV3GFS_restart_write, &
FV3GFS_IPD_checksum, &
FV3GFS_diag_register, FV3GFS_diag_output, &
DIAG_SIZE
use fv_iau_mod, only: iau_external_data_type,getiauforcing,iau_initialize
use module_fv3_config, only: output_1st_tstep_rst, first_kdt, nsout, &
frestart, restart_endfcst
!-----------------------------------------------------------------------
implicit none
private
public update_atmos_radiation_physics
public update_atmos_model_state
public update_atmos_model_dynamics
public atmos_model_init, atmos_model_end, atmos_data_type
public atmos_model_exchange_phase_1, atmos_model_exchange_phase_2
public atmos_model_restart
public get_atmos_model_ungridded_dim
public addLsmask2grid
!-----------------------------------------------------------------------
!<PUBLICTYPE >
type atmos_data_type
integer :: axes(4) ! axis indices (returned by diag_manager) for the atmospheric grid
! (they correspond to the x, y, pfull, phalf axes)
integer, pointer :: pelist(:) =>null() ! pelist where atmosphere is running.
integer :: layout(2) ! computer task laytout
logical :: regional ! true if domain is regional
logical :: nested ! true if there is a nest
integer :: mlon, mlat
integer :: iau_offset ! iau running window length
logical :: pe ! current pe.
real(kind=8), pointer, dimension(:) :: ak, bk
real, pointer, dimension(:,:) :: lon_bnd => null() ! local longitude axis grid box corners in radians.
real, pointer, dimension(:,:) :: lat_bnd => null() ! local latitude axis grid box corners in radians.
real(kind=IPD_kind_phys), pointer, dimension(:,:) :: lon => null() ! local longitude axis grid box centers in radians.
real(kind=IPD_kind_phys), pointer, dimension(:,:) :: lat => null() ! local latitude axis grid box centers in radians.
real(kind=IPD_kind_phys), pointer, dimension(:,:) :: dx, dy
real(kind=8), pointer, dimension(:,:) :: area
real(kind=8), pointer, dimension(:,:,:) :: layer_hgt, level_hgt
type(domain2d) :: domain ! domain decomposition
type(time_type) :: Time ! current time
type(time_type) :: Time_step ! atmospheric time step.
type(time_type) :: Time_init ! reference time.
type(grid_box_type) :: grid ! hold grid information needed for 2nd order conservative flux exchange
type(IPD_diag_type), pointer, dimension(:) :: Diag
end type atmos_data_type
! to calculate gradient on cubic sphere grid.
!</PUBLICTYPE >
integer :: fv3Clock, getClock, updClock, setupClock, radClock, physClock
!-----------------------------------------------------------------------
integer :: blocksize = 1
logical :: chksum_debug = .false.
logical :: dycore_only = .false.
logical :: debug = .false.
!logical :: debug = .true.
logical :: sync = .false.
integer, parameter :: maxhr = 4096
real, dimension(maxhr) :: fdiag = 0.
real :: fhmax=384.0, fhmaxhf=120.0, fhout=3.0, fhouthf=1.0,avg_max_length=3600.
#ifdef CCPP
namelist /atmos_model_nml/ blocksize, chksum_debug, dycore_only, debug, sync, fdiag, fhmax, fhmaxhf, fhout, fhouthf, ccpp_suite, avg_max_length
#else
namelist /atmos_model_nml/ blocksize, chksum_debug, dycore_only, debug, sync, fdiag, fhmax, fhmaxhf, fhout, fhouthf, avg_max_length
#endif
type (time_type) :: diag_time, diag_time_fhzero
!--- concurrent and decoupled radiation and physics variables
!-------------------
! DYCORE containers
!-------------------
type(DYCORE_data_type), allocatable :: DYCORE_Data(:) ! number of blocks
type(DYCORE_diag_type) :: DYCORE_Diag(25)
!----------------
! IPD containers
!----------------
#ifndef CCPP
type(IPD_control_type) :: IPD_Control
type(IPD_data_type), allocatable :: IPD_Data(:) ! number of blocks
type(IPD_diag_type), target :: IPD_Diag(DIAG_SIZE)
type(IPD_restart_type) :: IPD_Restart
#else
! IPD_Control and IPD_Data are coming from CCPP_data
type(IPD_diag_type), target :: IPD_Diag(DIAG_SIZE)
type(IPD_restart_type) :: IPD_Restart
#endif
!--------------
! IAU container
!--------------
type(iau_external_data_type) :: IAU_Data ! number of blocks
!-----------------
! Block container
!-----------------
type (block_control_type), target :: Atm_block
!-----------------------------------------------------------------------
character(len=128) :: version = '$Id$'
character(len=128) :: tagname = '$Name$'
#ifdef NAM_phys
logical,parameter :: flip_vc = .false.
#else
logical,parameter :: flip_vc = .true.
#endif
real(kind=IPD_kind_phys), parameter :: zero = 0.0_IPD_kind_phys, &
one = 1.0_IPD_kind_phys, &
epsln = 1.0e-10_IPD_kind_phys, &
zorlmin = 1.0e-7_IPD_kind_phys
contains
!#######################################################################
! <SUBROUTINE NAME="update_radiation_physics">
!
!<DESCRIPTION>
! Called every time step as the atmospheric driver to compute the
! atmospheric tendencies for dynamics, radiation, vertical diffusion of
! momentum, tracers, and heat/moisture. For heat/moisture only the
! downward sweep of the tridiagonal elimination is performed, hence
! the name "_down".
!</DESCRIPTION>
! <TEMPLATE>
! call update_atmos_radiation_physics (Atmos)
! </TEMPLATE>
! <INOUT NAME="Atmos" TYPE="type(atmos_data_type)">
! Derived-type variable that contains fields needed by the flux exchange module.
! These fields describe the atmospheric grid and are needed to
! compute/exchange fluxes with other component models. All fields in this
! variable type are allocated for the global grid (without halo regions).
! </INOUT>
subroutine update_atmos_radiation_physics (Atmos)
!-----------------------------------------------------------------------
type (atmos_data_type), intent(in) :: Atmos
!--- local variables---
integer :: nb, jdat(8), rc
procedure(IPD_func0d_proc), pointer :: Func0d => NULL()
procedure(IPD_func1d_proc), pointer :: Func1d => NULL()
!
#ifdef CCPP
integer :: ierr
#endif
if (mpp_pe() == mpp_root_pe() .and. debug) write(6,*) "statein driver"
!--- get atmospheric state from the dynamic core
call set_atmosphere_pelist()
call mpp_clock_begin(getClock)
if (IPD_control%do_skeb) call atmosphere_diss_est (IPD_control%skeb_npass) ! do smoothing for SKEB
call atmos_phys_driver_statein (IPD_data, Atm_block, flip_vc)
call mpp_clock_end(getClock)
!--- if dycore only run, set up the dummy physics output state as the input state
if (dycore_only) then
do nb = 1,Atm_block%nblks
IPD_Data(nb)%Stateout%gu0 = IPD_Data(nb)%Statein%ugrs
IPD_Data(nb)%Stateout%gv0 = IPD_Data(nb)%Statein%vgrs
IPD_Data(nb)%Stateout%gt0 = IPD_Data(nb)%Statein%tgrs
IPD_Data(nb)%Stateout%gq0 = IPD_Data(nb)%Statein%qgrs
enddo
else
if (mpp_pe() == mpp_root_pe() .and. debug) write(6,*) "setup step"
!--- update IPD_Control%jdat(8)
jdat(:) = 0
call get_date (Atmos%Time, jdat(1), jdat(2), jdat(3), &
jdat(5), jdat(6), jdat(7))
IPD_Control%jdat(:) = jdat(:)
!--- execute the IPD atmospheric setup step
call mpp_clock_begin(setupClock)
#ifdef CCPP
call CCPP_step (step="timestep_init", nblks=Atm_block%nblks, ierr=ierr)
if (ierr/=0) call mpp_error(FATAL, 'Call to CCPP timestep_init step failed')
!--- call stochastic physics pattern generation / cellular automata
call stochastic_physics_wrapper(IPD_Control, IPD_Data, Atm_block, ierr)
if (ierr/=0) call mpp_error(FATAL, 'Call to stochastic_physics_wrapper failed')
#else
Func1d => time_vary_step
call IPD_step (IPD_Control, IPD_Data(:), IPD_Diag, IPD_Restart, IPD_func1d=Func1d)
#endif
!--- if coupled, assign coupled fields
if( IPD_Control%cplflx .or. IPD_Control%cplwav ) then
! if (mpp_pe() == mpp_root_pe() .and. debug) then
! print *,'in atmos_model,nblks=',Atm_block%nblks
! print *,'in atmos_model,IPD_Data size=',size(IPD_Data)
! print *,'in atmos_model,tsfc(1)=',IPD_Data(1)%sfcprop%tsfc(1)
! print *,'in atmos_model, tsfc size=',size(IPD_Data(1)%sfcprop%tsfc)
! endif
call assign_importdata(rc)
endif
! Calculate total non-physics tendencies by substracting old IPD Stateout
! variables from new/updated IPD Statein variables (gives the tendencies
! due to anything else than physics)
if (IPD_Control%ldiag3d) then
do nb = 1,Atm_block%nblks
IPD_Data(nb)%Intdiag%du3dt(:,:,8) = IPD_Data(nb)%Intdiag%du3dt(:,:,8) &
+ (IPD_Data(nb)%Statein%ugrs - IPD_Data(nb)%Stateout%gu0)
IPD_Data(nb)%Intdiag%dv3dt(:,:,8) = IPD_Data(nb)%Intdiag%dv3dt(:,:,8) &
+ (IPD_Data(nb)%Statein%vgrs - IPD_Data(nb)%Stateout%gv0)
IPD_Data(nb)%Intdiag%dt3dt(:,:,11) = IPD_Data(nb)%Intdiag%dt3dt(:,:,11) &
+ (IPD_Data(nb)%Statein%tgrs - IPD_Data(nb)%Stateout%gt0)
enddo
if (IPD_Control%qdiag3d) then
do nb = 1,Atm_block%nblks
IPD_Data(nb)%Intdiag%dq3dt(:,:,12) = IPD_Data(nb)%Intdiag%dq3dt(:,:,12) &
+ (IPD_Data(nb)%Statein%qgrs(:,:,IPD_Control%ntqv) - IPD_Data(nb)%Stateout%gq0(:,:,IPD_Control%ntqv))
IPD_Data(nb)%Intdiag%dq3dt(:,:,13) = IPD_Data(nb)%Intdiag%dq3dt(:,:,13) &
+ (IPD_Data(nb)%Statein%qgrs(:,:,IPD_Control%ntoz) - IPD_Data(nb)%Stateout%gq0(:,:,IPD_Control%ntoz))
enddo
endif
endif
call mpp_clock_end(setupClock)
if (mpp_pe() == mpp_root_pe() .and. debug) write(6,*) "radiation driver"
!--- execute the IPD atmospheric radiation subcomponent (RRTM)
call mpp_clock_begin(radClock)
#ifdef CCPP
! Performance improvement. Only enter if it is time to call the radiation physics.
if (IPD_Control%lsswr .or. IPD_Control%lslwr) then
call CCPP_step (step="radiation", nblks=Atm_block%nblks, ierr=ierr)
if (ierr/=0) call mpp_error(FATAL, 'Call to CCPP radiation step failed')
endif
#else
Func0d => radiation_step1
!$OMP parallel do default (none) &
!$OMP schedule (dynamic,1), &
!$OMP shared (Atm_block, IPD_Control, IPD_Data, IPD_Diag, IPD_Restart, Func0d) &
!$OMP private (nb)
do nb = 1,Atm_block%nblks
call IPD_step (IPD_Control, IPD_Data(nb:nb), IPD_Diag, IPD_Restart, IPD_func0d=Func0d)
enddo
#endif
call mpp_clock_end(radClock)
if (chksum_debug) then
if (mpp_pe() == mpp_root_pe()) print *,'RADIATION STEP ', IPD_Control%kdt, IPD_Control%fhour
call FV3GFS_IPD_checksum(IPD_Control, IPD_Data, Atm_block)
endif
if (mpp_pe() == mpp_root_pe() .and. debug) write(6,*) "physics driver"
!--- execute the IPD atmospheric physics step1 subcomponent (main physics driver)
call mpp_clock_begin(physClock)
#ifdef CCPP
call CCPP_step (step="physics", nblks=Atm_block%nblks, ierr=ierr)
if (ierr/=0) call mpp_error(FATAL, 'Call to CCPP physics step failed')
#else
Func0d => physics_step1
!$OMP parallel do default (none) &
!$OMP schedule (dynamic,1), &
!$OMP shared (Atm_block, IPD_Control, IPD_Data, IPD_Diag, IPD_Restart, Func0d) &
!$OMP private (nb)
do nb = 1,Atm_block%nblks
call IPD_step (IPD_Control, IPD_Data(nb:nb), IPD_Diag, IPD_Restart, IPD_func0d=Func0d)
enddo
#endif
call mpp_clock_end(physClock)
if (chksum_debug) then
if (mpp_pe() == mpp_root_pe()) print *,'PHYSICS STEP1 ', IPD_Control%kdt, IPD_Control%fhour
call FV3GFS_IPD_checksum(IPD_Control, IPD_Data, Atm_block)
endif
if (mpp_pe() == mpp_root_pe() .and. debug) write(6,*) "stochastic physics driver"
!--- execute the IPD atmospheric physics step2 subcomponent (stochastic physics driver)
call mpp_clock_begin(physClock)
#ifdef CCPP
call CCPP_step (step="stochastics", nblks=Atm_block%nblks, ierr=ierr)
if (ierr/=0) call mpp_error(FATAL, 'Call to CCPP stochastics step failed')
#else
Func0d => physics_step2
!$OMP parallel do default (none) &
!$OMP schedule (dynamic,1), &
!$OMP shared (Atm_block, IPD_Control, IPD_Data, IPD_Diag, IPD_Restart, Func0d) &
!$OMP private (nb)
do nb = 1,Atm_block%nblks
call IPD_step (IPD_Control, IPD_Data(nb:nb), IPD_Diag, IPD_Restart, IPD_func0d=Func0d)
enddo
#endif
call mpp_clock_end(physClock)
if (chksum_debug) then
if (mpp_pe() == mpp_root_pe()) print *,'PHYSICS STEP2 ', IPD_Control%kdt, IPD_Control%fhour
call FV3GFS_IPD_checksum(IPD_Control, IPD_Data, Atm_block)
endif
call getiauforcing(IPD_Control,IAU_data)
if (mpp_pe() == mpp_root_pe() .and. debug) write(6,*) "end of radiation and physics step"
#ifdef CCPP
!--- execute the IPD atmospheric timestep finalize step
call mpp_clock_begin(setupClock)
call CCPP_step (step="timestep_finalize", nblks=Atm_block%nblks, ierr=ierr)
if (ierr/=0) call mpp_error(FATAL, 'Call to CCPP timestep_finalize step failed')
call mpp_clock_end(setupClock)
#endif
endif
#ifdef CCPP
! Update flag for first time step of time integration
IPD_Control%first_time_step = .false.
#endif
!-----------------------------------------------------------------------
end subroutine update_atmos_radiation_physics
! </SUBROUTINE>
!#######################################################################
! <SUBROUTINE NAME="atmos_model_init">
!
! <OVERVIEW>
! Routine to initialize the atmospheric model
! </OVERVIEW>
subroutine atmos_model_init (Atmos, Time_init, Time, Time_step)
#ifdef _OPENMP
use omp_lib
#endif
#ifdef CCPP
use fv_mp_mod, only: commglobal
#endif
use mpp_mod, only: mpp_npes
type (atmos_data_type), intent(inout) :: Atmos
type (time_type), intent(in) :: Time_init, Time, Time_step
!--- local variables ---
integer :: unit, ntdiag, ntfamily, i, j, k
integer :: mlon, mlat, nlon, nlat, nlev, sec, dt
integer :: ierr, io, logunit
integer :: idx, tile_num
integer :: isc, iec, jsc, jec
integer :: isd, ied, jsd, jed
integer :: blk, ibs, ibe, jbs, jbe
real(kind=IPD_kind_phys) :: dt_phys
real, allocatable :: q(:,:,:,:), p_half(:,:,:)
character(len=80) :: control
character(len=64) :: filename, filename2, pelist_name
character(len=132) :: text
logical :: p_hydro, hydro, fexist
logical, save :: block_message = .true.
type(IPD_init_type) :: Init_parm
integer :: bdat(8), cdat(8)
integer :: ntracers, maxhf, maxh
character(len=32), allocatable, target :: tracer_names(:)
integer :: nthrds, nb
!-----------------------------------------------------------------------
!---- set the atmospheric model time ------
Atmos % Time_init = Time_init
Atmos % Time = Time
Atmos % Time_step = Time_step
call get_time (Atmos % Time_step, sec)
dt_phys = real(sec) ! integer seconds
logunit = stdlog()
!-----------------------------------------------------------------------
! initialize atmospheric model -----
#ifndef CCPP
!---------- initialize atmospheric dynamics -------
call atmosphere_init (Atmos%Time_init, Atmos%Time, Atmos%Time_step,&
Atmos%grid, Atmos%area)
#endif
IF ( file_exist('input.nml')) THEN
#ifdef INTERNAL_FILE_NML
read(input_nml_file, nml=atmos_model_nml, iostat=io)
ierr = check_nml_error(io, 'atmos_model_nml')
#else
unit = open_namelist_file ( )
ierr=1
do while (ierr /= 0)
read (unit, nml=atmos_model_nml, iostat=io, end=10)
ierr = check_nml_error(io,'atmos_model_nml')
enddo
10 call close_file (unit)
#endif
endif
#ifdef CCPP
!---------- initialize atmospheric dynamics after reading the namelist -------
!---------- (need name of CCPP suite definition file from input.nml) ---------
call atmosphere_init (Atmos%Time_init, Atmos%Time, Atmos%Time_step,&
Atmos%grid, Atmos%area)
#endif
!-----------------------------------------------------------------------
call atmosphere_resolution (nlon, nlat, global=.false.)
call atmosphere_resolution (mlon, mlat, global=.true.)
call alloc_atmos_data_type (nlon, nlat, Atmos)
call atmosphere_domain (Atmos%domain, Atmos%layout, Atmos%regional, Atmos%nested, Atmos%pelist)
call atmosphere_diag_axes (Atmos%axes)
call atmosphere_etalvls (Atmos%ak, Atmos%bk, flip=flip_vc)
call atmosphere_grid_bdry (Atmos%lon_bnd, Atmos%lat_bnd, global=.false.)
call atmosphere_grid_ctr (Atmos%lon, Atmos%lat)
call atmosphere_hgt (Atmos%layer_hgt, 'layer', relative=.false., flip=flip_vc)
call atmosphere_hgt (Atmos%level_hgt, 'level', relative=.false., flip=flip_vc)
Atmos%mlon = mlon
Atmos%mlat = mlat
!-----------------------------------------------------------------------
!--- before going any further check definitions for 'blocks'
!-----------------------------------------------------------------------
call atmosphere_control_data (isc, iec, jsc, jec, nlev, p_hydro, hydro, tile_num)
call define_blocks_packed ('atmos_model', Atm_block, isc, iec, jsc, jec, nlev, &
blocksize, block_message)
allocate(DYCORE_Data(Atm_block%nblks))
allocate(IPD_Data(Atm_block%nblks))
#ifdef _OPENMP
nthrds = omp_get_max_threads()
#else
nthrds = 1
#endif
#ifdef CCPP
! This logic deals with non-uniform block sizes for CCPP.
! When non-uniform block sizes are used, it is required
! that only the last block has a different (smaller)
! size than all other blocks. This is the standard in
! FV3. If this is the case, set non_uniform_blocks (a
! variable imported from CCPP_driver) to .true. and
! allocate nthreads+1 elements of the interstitial array.
! The extra element will be used by the thread that
! runs over the last, smaller block.
if (minval(Atm_block%blksz)==maxval(Atm_block%blksz)) then
non_uniform_blocks = .false.
allocate(IPD_Interstitial(nthrds))
else if (all(minloc(Atm_block%blksz)==(/size(Atm_block%blksz)/))) then
non_uniform_blocks = .true.
allocate(IPD_Interstitial(nthrds+1))
else
call mpp_error(FATAL, 'For non-uniform blocksizes, only the last element ' // &
'in Atm_block%blksz can be different from the others')
end if
#endif
!--- update IPD_Control%jdat(8)
bdat(:) = 0
call get_date (Time_init, bdat(1), bdat(2), bdat(3), &
bdat(5), bdat(6), bdat(7))
cdat(:) = 0
call get_date (Time, cdat(1), cdat(2), cdat(3), &
cdat(5), cdat(6), cdat(7))
call get_number_tracers(MODEL_ATMOS, num_tracers=ntracers)
allocate (tracer_names(ntracers))
do i = 1, ntracers
call get_tracer_names(MODEL_ATMOS, i, tracer_names(i))
enddo
!--- setup IPD Init_parm
Init_parm%me = mpp_pe()
Init_parm%master = mpp_root_pe()
Init_parm%tile_num = tile_num
Init_parm%isc = isc
Init_parm%jsc = jsc
Init_parm%nx = nlon
Init_parm%ny = nlat
Init_parm%levs = nlev
Init_parm%cnx = mlon
Init_parm%cny = mlat
Init_parm%gnx = Init_parm%cnx*4
Init_parm%gny = Init_parm%cny*2
Init_parm%nlunit = 9999
Init_parm%logunit = logunit
Init_parm%bdat(:) = bdat(:)
Init_parm%cdat(:) = cdat(:)
Init_parm%dt_dycore = dt_phys
Init_parm%dt_phys = dt_phys
Init_parm%iau_offset = Atmos%iau_offset
Init_parm%blksz => Atm_block%blksz
Init_parm%ak => Atmos%ak
Init_parm%bk => Atmos%bk
Init_parm%xlon => Atmos%lon
Init_parm%xlat => Atmos%lat
Init_parm%area => Atmos%area
Init_parm%tracer_names => tracer_names
#ifdef CCPP
Init_parm%restart = Atm(mygrid)%flagstruct%warm_start
Init_parm%hydrostatic = Atm(mygrid)%flagstruct%hydrostatic
#endif
#ifdef INTERNAL_FILE_NML
Init_parm%input_nml_file => input_nml_file
Init_parm%fn_nml='using internal file'
#else
pelist_name=mpp_get_current_pelist_name()
Init_parm%fn_nml='input_'//trim(pelist_name)//'.nml'
inquire(FILE=Init_parm%fn_nml, EXIST=fexist)
if (.not. fexist ) then
Init_parm%fn_nml='input.nml'
endif
#endif
#ifdef CCPP
call IPD_initialize (IPD_Control, IPD_Data, IPD_Diag, IPD_Restart, &
IPD_Interstitial, commglobal, mpp_npes(), Init_parm)
!--- Initialize stochastic physics pattern generation / cellular automata for first time step
call stochastic_physics_wrapper(IPD_Control, IPD_Data, Atm_block, ierr)
if (ierr/=0) call mpp_error(FATAL, 'Call to stochastic_physics_wrapper failed')
#else
call IPD_initialize (IPD_Control, IPD_Data, IPD_Diag, IPD_Restart, Init_parm)
#endif
Atmos%Diag => IPD_Diag
Atm(mygrid)%flagstruct%do_skeb = IPD_Control%do_skeb
! initialize the IAU module
call iau_initialize (IPD_Control,IAU_data,Init_parm)
Init_parm%blksz => null()
Init_parm%ak => null()
Init_parm%bk => null()
Init_parm%xlon => null()
Init_parm%xlat => null()
Init_parm%area => null()
Init_parm%tracer_names => null()
deallocate (tracer_names)
!--- update tracers in FV3 with any initialized during the physics/radiation init phase
!rab call atmosphere_tracer_postinit (IPD_Data, Atm_block)
call atmosphere_nggps_diag (Time, init=.true.)
call FV3GFS_diag_register (IPD_Diag, Time, Atm_block, IPD_Control, Atmos%lon, Atmos%lat, Atmos%axes)
call IPD_initialize_rst (IPD_Control, IPD_Data, IPD_Diag, IPD_Restart, Init_parm)
#ifdef CCPP
call FV3GFS_restart_read (IPD_Data, IPD_Restart, Atm_block, IPD_Control, Atmos%domain, Atm(mygrid)%flagstruct%warm_start)
#else
call FV3GFS_restart_read (IPD_Data, IPD_Restart, Atm_block, IPD_Control, Atmos%domain)
#endif
! Populate the IPD_Data%Statein container with the prognostic state
! in Atm_block, which contains the initial conditions/restart data.
call atmos_phys_driver_statein (IPD_data, Atm_block, flip_vc)
! When asked to calculate 3-dim. tendencies, set Stateout variables to
! Statein variables here in order to capture the first call to dycore
if (IPD_Control%ldiag3d) then
do nb = 1,Atm_block%nblks
IPD_Data(nb)%Stateout%gu0 = IPD_Data(nb)%Statein%ugrs
IPD_Data(nb)%Stateout%gv0 = IPD_Data(nb)%Statein%vgrs
IPD_Data(nb)%Stateout%gt0 = IPD_Data(nb)%Statein%tgrs
IPD_Data(nb)%Stateout%gq0 = IPD_Data(nb)%Statein%qgrs
enddo
endif
#ifdef CCPP
! Initialize the CCPP framework
call CCPP_step (step="init", nblks=Atm_block%nblks, ierr=ierr)
if (ierr/=0) call mpp_error(FATAL, 'Call to CCPP init step failed')
! Initialize the CCPP physics
call CCPP_step (step="physics_init", nblks=Atm_block%nblks, ierr=ierr)
if (ierr/=0) call mpp_error(FATAL, 'Call to CCPP physics_init step failed')
#endif
!--- set the initial diagnostic timestamp
diag_time = Time
if (output_1st_tstep_rst) then
diag_time = Time - real_to_time_type(mod(int((first_kdt - 1)*dt_phys/3600.),6)*3600.0)
endif
if (Atmos%iau_offset > zero) then
call get_time (Atmos%Time - Atmos%Time_init, sec)
if (sec < Atmos%iau_offset*3600) then
diag_time = Atmos%Time_init
diag_time_fhzero = Atmos%Time
endif
endif
!---- print version number to logfile ----
call write_version_number ( version, tagname )
!--- write the namelist to a log file
if (mpp_pe() == mpp_root_pe()) then
unit = stdlog( )
write (unit, nml=atmos_model_nml)
call close_file (unit)
endif
!--- get fdiag
#ifdef GFS_PHYS
!--- check fdiag to see if it is an interval or a list
if (nint(fdiag(2)) == 0) then
if (fhmaxhf > 0) then
maxhf = fhmaxhf / fhouthf
maxh = maxhf + (fhmax-fhmaxhf) / fhout
fdiag(1) = fhouthf
do i=2,maxhf
fdiag(i) = fdiag(i-1) + fhouthf
enddo
do i=maxhf+1,maxh
fdiag(i) = fdiag(i-1) + fhout
enddo
else
maxh = fhmax / fhout
do i = 2, maxh
fdiag(i) = fdiag(i-1) + fhout
enddo
endif
endif
if (mpp_pe() == mpp_root_pe()) write(6,*) "---fdiag",fdiag(1:40)
#endif
setupClock = mpp_clock_id( 'GFS Step Setup ', flags=clock_flag_default, grain=CLOCK_COMPONENT )
radClock = mpp_clock_id( 'GFS Radiation ', flags=clock_flag_default, grain=CLOCK_COMPONENT )
physClock = mpp_clock_id( 'GFS Physics ', flags=clock_flag_default, grain=CLOCK_COMPONENT )
getClock = mpp_clock_id( 'Dynamics get state ', flags=clock_flag_default, grain=CLOCK_COMPONENT )
updClock = mpp_clock_id( 'Dynamics update state ', flags=clock_flag_default, grain=CLOCK_COMPONENT )
if (sync) then
fv3Clock = mpp_clock_id( 'FV3 Dycore ', flags=clock_flag_default+MPP_CLOCK_SYNC, grain=CLOCK_COMPONENT )
else
fv3Clock = mpp_clock_id( 'FV3 Dycore ', flags=clock_flag_default, grain=CLOCK_COMPONENT )
endif
!--- get bottom layer data from dynamical core for coupling
call atmosphere_get_bottom_layer (Atm_block, DYCORE_Data)
!if in coupled mode, set up coupled fields
if (IPD_Control%cplflx .or. IPD_Control%cplwav) then
if (mpp_pe() == mpp_root_pe()) print *,'COUPLING: IPD layer'
call setup_exportdata(ierr)
endif
#ifdef CCPP
! Set flag for first time step of time integration
IPD_Control%first_time_step = .true.
#endif
!-----------------------------------------------------------------------
end subroutine atmos_model_init
! </SUBROUTINE>
!#######################################################################
! <SUBROUTINE NAME="update_atmos_model_dynamics"
!
! <OVERVIEW>
subroutine update_atmos_model_dynamics (Atmos)
! run the atmospheric dynamics to advect the properties
type (atmos_data_type), intent(in) :: Atmos
call set_atmosphere_pelist()
call mpp_clock_begin(fv3Clock)
call atmosphere_dynamics (Atmos%Time)
call mpp_clock_end(fv3Clock)
end subroutine update_atmos_model_dynamics
! </SUBROUTINE>
!#######################################################################
! <SUBROUTINE NAME="atmos_model_exchange_phase_1"
!
! <OVERVIEW>
! Perform data exchange with coupled components in run phase 1
! </OVERVIEW>
!
! <DESCRIPTION>
! This subroutine currently exports atmospheric fields and tracers
! to the chemistry component during the model's run phase 1, i.e.
! before chemistry is run.
! </DESCRIPTION>
subroutine atmos_model_exchange_phase_1 (Atmos, rc)
use ESMF
type (atmos_data_type), intent(inout) :: Atmos
integer, optional, intent(out) :: rc
!--- local variables
integer :: localrc
!--- begin
if (present(rc)) rc = ESMF_SUCCESS
!--- if coupled, exchange coupled fields
if( IPD_Control%cplchm ) then
! -- export fields to chemistry
call update_atmos_chemistry('export', rc=localrc)
if (ESMF_LogFoundError(rcToCheck=localrc, msg=ESMF_LOGERR_PASSTHRU, line=__LINE__, file=__FILE__, rcToReturn=rc)) return
endif
end subroutine atmos_model_exchange_phase_1
! </SUBROUTINE>
!#######################################################################
! <SUBROUTINE NAME="atmos_model_exchange_phase_2"
!
! <OVERVIEW>
! Perform data exchange with coupled components in run phase 2
! </OVERVIEW>
!
! <DESCRIPTION>
! This subroutine currently imports fields updated by the coupled
! chemistry component back into the atmospheric model during run
! phase 2.
! </DESCRIPTION>
subroutine atmos_model_exchange_phase_2 (Atmos, rc)
use ESMF
type (atmos_data_type), intent(inout) :: Atmos
integer, optional, intent(out) :: rc
!--- local variables
integer :: localrc
!--- begin
if (present(rc)) rc = ESMF_SUCCESS
!--- if coupled, exchange coupled fields
if( IPD_Control%cplchm ) then
! -- import fields from chemistry
call update_atmos_chemistry('import', rc=localrc)
if (ESMF_LogFoundError(rcToCheck=localrc, msg=ESMF_LOGERR_PASSTHRU, line=__LINE__, file=__FILE__, rcToReturn=rc)) return
endif
end subroutine atmos_model_exchange_phase_2
! </SUBROUTINE>
!#######################################################################
! <SUBROUTINE NAME="update_atmos_model_state"
!
! <OVERVIEW>
subroutine update_atmos_model_state (Atmos)
! to update the model state after all concurrency is completed
type (atmos_data_type), intent(inout) :: Atmos
!--- local variables
integer :: isec, seconds, isec_fhzero
integer :: rc
real(kind=IPD_kind_phys) :: time_int, time_intfull
!
call set_atmosphere_pelist()
call mpp_clock_begin(fv3Clock)
call mpp_clock_begin(updClock)
call atmosphere_state_update (Atmos%Time, IPD_Data, IAU_Data, Atm_block, flip_vc)
call mpp_clock_end(updClock)
call mpp_clock_end(fv3Clock)
if (chksum_debug) then
if (mpp_pe() == mpp_root_pe()) print *,'UPDATE STATE ', IPD_Control%kdt, IPD_Control%fhour
if (mpp_pe() == mpp_root_pe()) print *,'in UPDATE STATE ', size(IPD_Data(1)%SfcProp%tsfc),'nblks=',Atm_block%nblks
call FV3GFS_IPD_checksum(IPD_Control, IPD_Data, Atm_block)
endif
!--- advance time ---
Atmos % Time = Atmos % Time + Atmos % Time_step
call get_time (Atmos%Time - diag_time, isec)
call get_time (Atmos%Time - Atmos%Time_init, seconds)
call atmosphere_nggps_diag(Atmos%Time,ltavg=.true.,avg_max_length=avg_max_length)
if (ANY(nint(fdiag(:)*3600.0) == seconds) .or. (IPD_Control%kdt == first_kdt) .or. nsout > 0) then
if (mpp_pe() == mpp_root_pe()) write(6,*) "---isec,seconds",isec,seconds
time_int = real(isec)
if(Atmos%iau_offset > zero) then
if( time_int - Atmos%iau_offset*3600. > zero ) then
time_int = time_int - Atmos%iau_offset*3600.
else if(seconds == Atmos%iau_offset*3600) then
call get_time (Atmos%Time - diag_time_fhzero, isec_fhzero)
time_int = real(isec_fhzero)
if (mpp_pe() == mpp_root_pe()) write(6,*) "---iseczero",isec_fhzero
endif
endif
time_intfull = real(seconds)
if(Atmos%iau_offset > zero) then
if( time_intfull - Atmos%iau_offset*3600. > zero) then
time_intfull = time_intfull - Atmos%iau_offset*3600.
endif
endif
if (mpp_pe() == mpp_root_pe()) write(6,*) ' gfs diags time since last bucket empty: ',time_int/3600.,'hrs'
call atmosphere_nggps_diag(Atmos%Time)
call FV3GFS_diag_output(Atmos%Time, IPD_DIag, Atm_block, IPD_Control%nx, IPD_Control%ny, &
IPD_Control%levs, 1, 1, 1.0_IPD_kind_phys, time_int, time_intfull, &
IPD_Control%fhswr, IPD_Control%fhlwr)
if (nint(IPD_Control%fhzero) > 0) then
if (mod(isec,3600*nint(IPD_Control%fhzero)) == 0) diag_time = Atmos%Time
else
if (mod(isec,nint(3600*IPD_Control%fhzero)) == 0) diag_time = Atmos%Time
endif
call diag_send_complete_instant (Atmos%Time)
endif
!--- this may not be necessary once write_component is fully implemented
!!!call diag_send_complete_extra (Atmos%Time)
!--- get bottom layer data from dynamical core for coupling
call atmosphere_get_bottom_layer (Atm_block, DYCORE_Data)
!if in coupled mode, set up coupled fields
if (IPD_Control%cplflx .or. IPD_Control%cplwav) then
call setup_exportdata(rc)
endif
end subroutine update_atmos_model_state
! </SUBROUTINE>
!#######################################################################
! <SUBROUTINE NAME="atmos_model_end">
!
! <OVERVIEW>
! termination routine for atmospheric model
! </OVERVIEW>
! <DESCRIPTION>
! Call once to terminate this module and any other modules used.
! This routine writes a restart file and deallocates storage
! used by the derived-type variable atmos_boundary_data_type.
! </DESCRIPTION>
! <TEMPLATE>
! call atmos_model_end (Atmos)
! </TEMPLATE>
! <INOUT NAME="Atmos" TYPE="type(atmos_data_type)">
! Derived-type variable that contains fields needed by the flux exchange module.
! </INOUT>
subroutine atmos_model_end (Atmos)
type (atmos_data_type), intent(inout) :: Atmos
!---local variables
integer :: idx, seconds
#ifdef CCPP
integer :: ierr
#endif
!-----------------------------------------------------------------------
!---- termination routine for atmospheric model ----
call atmosphere_end (Atmos % Time, Atmos%grid, restart_endfcst)
call stochastic_physics_wrapper_end(IPD_Control)
if(restart_endfcst) then
call FV3GFS_restart_write (IPD_Data, IPD_Restart, Atm_block, &
IPD_Control, Atmos%domain)
endif
#ifdef CCPP
! Fast physics (from dynamics) are finalized in atmosphere_end above;
! standard/slow physics (from IPD) are finalized in CCPP_step 'finalize'.
! The CCPP framework for all cdata structures is finalized in CCPP_step 'finalize'.
call CCPP_step (step="finalize", nblks=Atm_block%nblks, ierr=ierr)
if (ierr/=0) call mpp_error(FATAL, 'Call to CCPP finalize step failed')
#endif
end subroutine atmos_model_end
! </SUBROUTINE>
!#######################################################################
! <SUBROUTINE NAME="atmos_model_restart">
! <DESCRIPTION>
! Write out restart files registered through register_restart_file
! </DESCRIPTION>
subroutine atmos_model_restart(Atmos, timestamp)
type (atmos_data_type), intent(inout) :: Atmos
character(len=*), intent(in) :: timestamp