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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
use mpp_mod, only: input_nml_file
use fms2_io_mod, only: file_exists
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: atmosphere_fill_nest_cpl
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, get_nth_domain_info
use block_control_mod, only: block_control_type, define_blocks_packed
use DYCORE_typedefs, only: DYCORE_data_type, DYCORE_diag_type
use GFS_typedefs, only: GFS_init_type, GFS_kind_phys => kind_phys
use GFS_restart, only: GFS_restart_type, GFS_restart_populate
use GFS_diagnostics, only: GFS_externaldiag_type, &
GFS_externaldiag_populate
use CCPP_data, only: ccpp_suite, GFS_control, &
GFS_data, GFS_interstitial
use GFS_init, only: GFS_initialize
use CCPP_driver, only: CCPP_step, non_uniform_blocks
use stochastic_physics_wrapper_mod, only: stochastic_physics_wrapper,stochastic_physics_wrapper_end
use fv3atm_history_io_mod, only: fv3atm_diag_register, fv3atm_diag_output, &
DIAG_SIZE
use fv3atm_restart_io_mod, only: fv3atm_restart_register, &
fv3atm_checksum, &
fv_phy_restart_output, &
fv_sfc_restart_output, &
fv3atm_restart_read, &
fv3atm_restart_write
use fv_ufs_restart_io_mod, only: fv_dyn_restart_register, &
fv_dyn_restart_output
use fv_iau_mod, only: iau_external_data_type,getiauforcing,iau_initialize
use module_fv3_config, only: first_kdt, output_fh, &
fcst_mpi_comm, fcst_ntasks, &
quilting_restart
use module_block_data, only: block_atmos_copy, block_data_copy, &
block_data_copy_or_fill, &
block_data_combine_fractions
#ifdef MOVING_NEST
use fv_moving_nest_main_mod, only: update_moving_nest, dump_moving_nest
use fv_moving_nest_main_mod, only: nest_tracker_init
use fv_moving_nest_main_mod, only: moving_nest_end, nest_tracker_end
use fv_moving_nest_types_mod, only: fv_moving_nest_init
use fv_tracker_mod, only: check_is_moving_nest, execute_tracker
#endif
!-----------------------------------------------------------------------
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 atmos_model_get_nth_domain_info
public addLsmask2grid
public setup_exportdata
!-----------------------------------------------------------------------
!<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
logical :: moving_nest_parent ! true if this grid has a moving nest child
logical :: is_moving_nest ! true if this is a moving nest grid
logical :: isAtCapTime ! true if currTime is at the cap driverClock's currTime
integer :: ngrids !
integer :: mygrid !
integer :: mlon, mlat
integer :: iau_offset ! iau running window length
logical :: pe ! current pe.
real(kind=GFS_kind_phys), pointer, dimension(:) :: ak, bk
real(kind=GFS_kind_phys), pointer, dimension(:,:) :: lon_bnd => null() ! local longitude axis grid box corners in radians.
real(kind=GFS_kind_phys), pointer, dimension(:,:) :: lat_bnd => null() ! local latitude axis grid box corners in radians.
real(kind=GFS_kind_phys), pointer, dimension(:,:) :: lon => null() ! local longitude axis grid box centers in radians.
real(kind=GFS_kind_phys), pointer, dimension(:,:) :: lat => null() ! local latitude axis grid box centers in radians.
real(kind=GFS_kind_phys), pointer, dimension(:,:) :: dx, dy
real(kind=GFS_kind_phys), pointer, dimension(:,:) :: area
real(kind=GFS_kind_phys), pointer, dimension(:,:,:) :: layer_hgt, level_hgt
type(domain2d) :: domain ! domain decomposition
type(domain2d) :: domain_for_read ! 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(GFS_externaldiag_type), pointer, dimension(:) :: Diag
end type atmos_data_type
! to calculate gradient on cubic sphere grid.
!</PUBLICTYPE >
! these two arrays, lon_bnd_work and lat_bnd_work are 'working' arrays, always allocated
! as (nlon+1, nlat+1) and are used to get the corner lat/lon values from the dycore.
! these values are then copied to Atmos%lon_bnd, Atmos%lat_bnd which are allocated with
! sizes that correspond to the corner coordinates distgrid in fcstGrid
real(kind=GFS_kind_phys), pointer, dimension(:,:), save :: lon_bnd_work => null()
real(kind=GFS_kind_phys), pointer, dimension(:,:), save :: lat_bnd_work => null()
integer, save :: i_bnd_size, j_bnd_size
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.
real :: avg_max_length=3600.
logical :: ignore_rst_cksum = .false.
namelist /atmos_model_nml/ blocksize, chksum_debug, dycore_only, debug, sync, ccpp_suite, avg_max_length, &
ignore_rst_cksum
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
!----------------
! GFS containers
!----------------
type(GFS_externaldiag_type), target :: GFS_Diag(DIAG_SIZE)
type(GFS_restart_type) :: GFS_restart_var
!--------------
! 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=GFS_kind_phys), parameter :: zero = 0.0_GFS_kind_phys, &
one = 1.0_GFS_kind_phys, &
epsln = 1.0e-10_GFS_kind_phys, &
zorlmin = 1.0e-7_GFS_kind_phys
contains
!#######################################################################
! <SUBROUTINE NAME="update_atmos_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)
!-----------------------------------------------------------------------
implicit none
type (atmos_data_type), intent(in) :: Atmos
!--- local variables---
integer :: idtend, itrac
integer :: nb, jdat(8), rc, ierr
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 (GFS_control%do_skeb) call atmosphere_diss_est (GFS_control%skeb_npass) ! do smoothing for SKEB
call atmos_phys_driver_statein (GFS_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
GFS_data(nb)%Stateout%gu0 = GFS_data(nb)%Statein%ugrs
GFS_data(nb)%Stateout%gv0 = GFS_data(nb)%Statein%vgrs
GFS_data(nb)%Stateout%gt0 = GFS_data(nb)%Statein%tgrs
GFS_data(nb)%Stateout%gq0 = GFS_data(nb)%Statein%qgrs
enddo
else
if (mpp_pe() == mpp_root_pe() .and. debug) write(6,*) "setup step"
!--- update GFS_control%jdat(8)
jdat(:) = 0
call get_date (Atmos%Time, jdat(1), jdat(2), jdat(3), &
jdat(5), jdat(6), jdat(7))
GFS_control%jdat(:) = jdat(:)
!--- execute the atmospheric setup step
call mpp_clock_begin(setupClock)
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')
if (GFS_Control%do_sppt .or. GFS_Control%do_shum .or. GFS_Control%do_skeb .or. &
GFS_Control%lndp_type > 0 .or. GFS_Control%do_ca .or. GFS_Control%do_spp) then
!--- call stochastic physics pattern generation / cellular automata
call stochastic_physics_wrapper(GFS_control, GFS_data, Atm_block, ierr)
if (ierr/=0) call mpp_error(FATAL, 'Call to stochastic_physics_wrapper failed')
endif
!--- if coupled, assign coupled fields
call assign_importdata(jdat(:),rc)
if (rc/=0) call mpp_error(FATAL, 'Call to assign_importdata failed')
! Currently for FV3ATM, it is only enabled for parent domain coupling
! with other model components. In this case, only the parent domain
! receives coupled fields through the above assign_importdata step. Thus,
! an extra step is needed to fill the coupling variables in the nest,
! by downscaling the coupling variables from its parent.
if (Atmos%isAtCapTime .and. Atmos%ngrids > 1) then
if (GFS_control%cplocn2atm .or. GFS_control%cplwav2atm) then
call atmosphere_fill_nest_cpl(Atm_block, GFS_control, GFS_data)
endif
endif
! Calculate total non-physics tendencies by substracting old GFS Stateout
! variables from new/updated GFS Statein variables (gives the tendencies
! due to anything else than physics)
if (GFS_Control%ldiag3d) then
idtend = GFS_Control%dtidx(GFS_Control%index_of_x_wind,GFS_Control%index_of_process_non_physics)
if(idtend>=1) then
do nb = 1,Atm_block%nblks
GFS_data(nb)%Intdiag%dtend(:,:,idtend) = GFS_data(nb)%Intdiag%dtend(:,:,idtend) &
+ (GFS_data(nb)%Statein%ugrs - GFS_data(nb)%Stateout%gu0)
enddo
endif
idtend = GFS_Control%dtidx(GFS_Control%index_of_y_wind,GFS_Control%index_of_process_non_physics)
if(idtend>=1) then
do nb = 1,Atm_block%nblks
GFS_data(nb)%Intdiag%dtend(:,:,idtend) = GFS_data(nb)%Intdiag%dtend(:,:,idtend) &
+ (GFS_data(nb)%Statein%vgrs - GFS_data(nb)%Stateout%gv0)
enddo
endif
idtend = GFS_Control%dtidx(GFS_Control%index_of_temperature,GFS_Control%index_of_process_non_physics)
if(idtend>=1) then
do nb = 1,Atm_block%nblks
GFS_data(nb)%Intdiag%dtend(:,:,idtend) = GFS_data(nb)%Intdiag%dtend(:,:,idtend) &
+ (GFS_data(nb)%Statein%tgrs - GFS_data(nb)%Stateout%gt0)
enddo
endif
if (GFS_Control%qdiag3d) then
do itrac=1,GFS_Control%ntrac
idtend = GFS_Control%dtidx(itrac+100,GFS_Control%index_of_process_non_physics)
if(idtend>=1) then
do nb = 1,Atm_block%nblks
GFS_data(nb)%Intdiag%dtend(:,:,idtend) = GFS_data(nb)%Intdiag%dtend(:,:,idtend) &
+ (GFS_data(nb)%Statein%qgrs(:,:,itrac) - GFS_data(nb)%Stateout%gq0(:,:,itrac))
enddo
endif
enddo
endif
endif
call mpp_clock_end(setupClock)
if (mpp_pe() == mpp_root_pe() .and. debug) write(6,*) "radiation driver"
!--- execute the atmospheric radiation subcomponent (RRTM)
call mpp_clock_begin(radClock)
! Performance improvement. Only enter if it is time to call the radiation physics.
if (GFS_control%lsswr .or. GFS_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
call mpp_clock_end(radClock)
if (chksum_debug) then
if (mpp_pe() == mpp_root_pe()) print *,'RADIATION STEP ', GFS_control%kdt, GFS_control%fhour
call fv3atm_checksum(GFS_control, GFS_data, Atm_block)
endif
if (mpp_pe() == mpp_root_pe() .and. debug) write(6,*) "physics driver"
!--- execute the atmospheric physics step1 subcomponent (main physics driver)
call mpp_clock_begin(physClock)
call CCPP_step (step="physics", nblks=Atm_block%nblks, ierr=ierr)
if (ierr/=0) call mpp_error(FATAL, 'Call to CCPP physics step failed')
call mpp_clock_end(physClock)
if (chksum_debug) then
if (mpp_pe() == mpp_root_pe()) print *,'PHYSICS STEP1 ', GFS_control%kdt, GFS_control%fhour
call fv3atm_checksum(GFS_control, GFS_data, Atm_block)
endif
if (GFS_Control%do_sppt .or. GFS_Control%do_shum .or. GFS_Control%do_skeb .or. &
GFS_Control%lndp_type > 0 .or. GFS_Control%do_ca ) then
if (mpp_pe() == mpp_root_pe() .and. debug) write(6,*) "stochastic physics driver"
!--- execute the atmospheric physics step2 subcomponent (stochastic physics driver)
call mpp_clock_begin(physClock)
call CCPP_step (step="stochastics", nblks=Atm_block%nblks, ierr=ierr)
if (ierr/=0) call mpp_error(FATAL, 'Call to CCPP stochastics step failed')
call mpp_clock_end(physClock)
endif
if (chksum_debug) then
if (mpp_pe() == mpp_root_pe()) print *,'PHYSICS STEP2 ', GFS_control%kdt, GFS_control%fhour
call fv3atm_checksum(GFS_control, GFS_data, Atm_block)
endif
call getiauforcing(GFS_control,IAU_data)
if (mpp_pe() == mpp_root_pe() .and. debug) write(6,*) "end of radiation and physics step"
!--- execute the 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
! Per-timestep diagnostics must be after physics but before
! flagging the first timestep.
if(GFS_control%print_diff_pgr) then
call atmos_timestep_diagnostics(Atmos)
endif
! Update flag for first time step of time integration
GFS_control%first_time_step = .false.
!-----------------------------------------------------------------------
end subroutine update_atmos_radiation_physics
! </SUBROUTINE>
!#######################################################################
! <SUBROUTINE NAME="atmos_timestep_diagnostics">
!
! <OVERVIEW>
! Calculates per-timestep, domain-wide, diagnostic, information and
! prints to stdout from master rank. Must be called after physics
! update but before first_time_step flag is cleared.
! </OVERVIEW>
! <TEMPLATE>
! call atmos_timestep_diagnostics (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 atmos_timestep_diagnostics(Atmos)
use mpi_f08
implicit none
type (atmos_data_type), intent(in) :: Atmos
!--- local variables---
integer :: i, nb, count, ierror
! double precision ensures ranks and sums are not truncated
! regardless of compilation settings
double precision :: pdiff, psum, pcount, maxabs, pmaxloc(7), adiff
double precision :: sendbuf(2), recvbuf(2), global_average
if(GFS_control%print_diff_pgr) then
if(.not. GFS_control%first_time_step) then
pmaxloc = 0.0d0
recvbuf = 0.0d0
psum = 0.0d0
pcount = 0.0d0
maxabs = 0.0d0
! Put pgr stats in pmaxloc, psum, and pcount:
pmaxloc(1) = GFS_Control%tile_num
do nb = 1,ATM_block%nblks
count = size(GFS_data(nb)%Statein%pgr)
do i=1,count
pdiff = GFS_data(nb)%Statein%pgr(i)-GFS_data(nb)%Intdiag%old_pgr(i)
adiff = abs(pdiff)
psum = psum + adiff
if(adiff>=maxabs) then
maxabs=adiff
pmaxloc(2:3) = (/ dble(ATM_block%index(nb)%ii(i)), dble(ATM_block%index(nb)%jj(i)) /)
pmaxloc(4:7) = (/ dble(pdiff), dble(GFS_data(nb)%Statein%pgr(i)), &
dble(GFS_data(nb)%Grid%xlat(i)), dble(GFS_data(nb)%Grid%xlon(i)) /)
endif
enddo
pcount = pcount+count
enddo
! Sum pgr stats from psum/pcount and convert to hPa/hour global avg:
sendbuf(1:2) = (/ psum, pcount /)
call MPI_Allreduce(sendbuf,recvbuf,2,MPI_DOUBLE_PRECISION,MPI_SUM,GFS_Control%communicator,ierror)
global_average = recvbuf(1)/recvbuf(2) * 36.0d0/GFS_control%dtp
! Get the pmaxloc for the global maximum:
sendbuf(1:2) = (/ maxabs, dble(GFS_Control%me) /)
call MPI_Allreduce(sendbuf,recvbuf,1,MPI_2DOUBLE_PRECISION,MPI_MAXLOC,GFS_Control%communicator,ierror)
call MPI_Bcast(pmaxloc,size(pmaxloc),MPI_DOUBLE_PRECISION,nint(recvbuf(2)),GFS_Control%communicator,ierror)
if(GFS_Control%me == GFS_Control%master) then
2933 format('At forecast hour ',F9.3,' mean abs pgr change is ',F16.8,' hPa/hr')
2934 format(' max abs change ',F15.10,' bar at tile=',I0,' i=',I0,' j=',I0)
2935 format(' pgr at that point',F15.10,' bar lat=',F12.6,' lon=',F12.6)
print 2933, GFS_control%fhour, global_average
print 2934, pmaxloc(4)*1d-5, nint(pmaxloc(1:3))
print 2935, pmaxloc(5)*1d-5, pmaxloc(6:7)*57.29577951308232d0 ! 180/pi
endif
endif
! old_pgr is updated every timestep, including the first one where stats aren't printed:
do nb = 1,ATM_block%nblks
GFS_data(nb)%Intdiag%old_pgr=GFS_data(nb)%Statein%pgr
enddo
endif
!-----------------------------------------------------------------------
end subroutine atmos_timestep_diagnostics
! </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
use update_ca, only: read_ca_restart
type (atmos_data_type), intent(inout) :: Atmos
type (time_type), intent(in) :: Time_init, Time, Time_step
!--- local variables ---
integer :: unit, i
integer :: mlon, mlat, nlon, nlat, nlev, sec
integer :: ierr, io, logunit
integer :: tile_num
integer :: isc, iec, jsc, jec
real(kind=GFS_kind_phys) :: dt_phys
logical :: p_hydro, hydro
logical, save :: block_message = .true.
type(GFS_init_type) :: Init_parm
integer :: bdat(8), cdat(8)
integer :: ntracers
character(len=32), allocatable, target :: tracer_names(:)
integer, allocatable, target :: tracer_types(:)
integer :: nthrds, nb
!-----------------------------------------------------------------------
!---- set the atmospheric model time ------
Atmos % isAtCapTime = .false.
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 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)
#ifdef MOVING_NEST
call fv_moving_nest_init(Atm, mygrid)
call nest_tracker_init()
#endif
!-----------------------------------------------------------------------
call atmosphere_resolution (nlon, nlat, global=.false.)
call atmosphere_resolution (mlon, mlat, global=.true.)
call atmosphere_domain (Atmos%domain, Atmos%domain_for_read, Atmos%layout, &
Atmos%regional, Atmos%nested, &
Atmos%ngrids, Atmos%mygrid, Atmos%pelist)
Atmos%moving_nest_parent = .false.
Atmos%is_moving_nest = .false.
#ifdef MOVING_NEST
call check_is_moving_nest(Atm, Atmos%mygrid, Atmos%ngrids, Atmos%is_moving_nest, Atmos%moving_nest_parent)
#endif
call atmosphere_diag_axes (Atmos%axes)
call atmosphere_etalvls (Atmos%ak, Atmos%bk, flip=flip_vc)
tile_num=-1
call atmosphere_control_data (isc, iec, jsc, jec, nlev, p_hydro, hydro, global_tile_num=tile_num)
allocate (Atmos%lon(nlon,nlat), Atmos%lat(nlon,nlat))
call atmosphere_grid_ctr (Atmos%lon, Atmos%lat)
i_bnd_size = nlon
j_bnd_size = nlat
if (iec == mlon) then
! we are on task at the 'east' edge of the cubed sphere face or regional domain
! corner arrays should have one extra element in 'i' direction
i_bnd_size = nlon + 1
end if
if (jec == mlat) then
! we are on task at the 'north' edge of the cubed sphere face or regional domain
! corner arrays should have one extra element in 'j' direction
j_bnd_size = nlat + 1
end if
allocate (Atmos%lon_bnd(i_bnd_size,j_bnd_size), Atmos%lat_bnd(i_bnd_size,j_bnd_size))
allocate (lon_bnd_work(nlon+1,nlat+1), lat_bnd_work(nlon+1,nlat+1))
call atmosphere_grid_bdry (lon_bnd_work, lat_bnd_work)
Atmos%lon_bnd(1:i_bnd_size,1:j_bnd_size) = lon_bnd_work(1:i_bnd_size,1:j_bnd_size)
Atmos%lat_bnd(1:i_bnd_size,1:j_bnd_size) = lat_bnd_work(1:i_bnd_size,1:j_bnd_size)
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
!----------------------------------------------------------------------------------------------
! initialize atmospheric model - must happen AFTER atmosphere_init so that nests work correctly
if (file_exists('input.nml')) then
read(input_nml_file, nml=atmos_model_nml, iostat=io)
ierr = check_nml_error(io, 'atmos_model_nml')
endif
!-----------------------------------------------------------------------
!--- before going any further check definitions for 'blocks'
!-----------------------------------------------------------------------
call define_blocks_packed ('atmos_model', Atm_block, isc, iec, jsc, jec, nlev, &
blocksize, block_message)
allocate(DYCORE_Data(Atm_block%nblks))
allocate(GFS_data(Atm_block%nblks))
#ifdef _OPENMP
nthrds = omp_get_max_threads()
#else
nthrds = 1
#endif
! 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(GFS_interstitial(nthrds))
else if (all(minloc(Atm_block%blksz)==(/size(Atm_block%blksz)/))) then
non_uniform_blocks = .true.
allocate(GFS_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
!--- update GFS_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), tracer_types(ntracers))
do i = 1, ntracers
call get_tracer_names(MODEL_ATMOS, i, tracer_names(i))
enddo
call get_atmos_tracer_types(tracer_types)
!--- setup Init_parm
Init_parm%me = mpp_pe()
Init_parm%master = mpp_root_pe()
Init_parm%fcst_mpi_comm = fcst_mpi_comm
Init_parm%fcst_ntasks = fcst_ntasks
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%nwat = Atm(mygrid)%flagstruct%nwat
Init_parm%tracer_names => tracer_names
Init_parm%tracer_types => tracer_types
Init_parm%restart = Atm(mygrid)%flagstruct%warm_start
Init_parm%hydrostatic = Atm(mygrid)%flagstruct%hydrostatic
! allocate required to work around GNU compiler bug 100886 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100886
allocate(Init_parm%input_nml_file, mold=input_nml_file)
Init_parm%input_nml_file => input_nml_file
Init_parm%fn_nml='using internal file'
call GFS_initialize (GFS_control, GFS_data%Statein, GFS_data%Stateout, GFS_data%Sfcprop, &
GFS_data%Coupling, GFS_data%Grid, GFS_data%Tbd, GFS_data%Cldprop, GFS_data%Radtend, &
GFS_data%Intdiag, GFS_interstitial, Init_parm)
!--- populate/associate the Diag container elements
call GFS_externaldiag_populate (GFS_Diag, GFS_Control, GFS_Data%Statein, GFS_Data%Stateout, &
GFS_Data%Sfcprop, GFS_Data%Coupling, GFS_Data%Grid, &
GFS_Data%Tbd, GFS_Data%Cldprop, GFS_Data%Radtend, &
GFS_Data%Intdiag, Init_parm)
Atmos%Diag => GFS_Diag
Atm(mygrid)%flagstruct%do_skeb = GFS_control%do_skeb
! initialize the IAU module
call iau_initialize (GFS_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)
deallocate (tracer_types)
!--- update tracers in FV3 with any initialized during the physics/radiation init phase
!rab call atmosphere_tracer_postinit (GFS_data, Atm_block)
call atmosphere_nggps_diag (Time, init=.true.)
call fv3atm_diag_register (GFS_Diag, Time, Atm_block, GFS_control, Atmos%lon, Atmos%lat, Atmos%axes)
call GFS_restart_populate (GFS_restart_var, GFS_control, GFS_data%Statein, GFS_data%Stateout, GFS_data%Sfcprop, &
GFS_data%Coupling, GFS_data%Grid, GFS_data%Tbd, GFS_data%Cldprop, GFS_data%Radtend, &
GFS_data%IntDiag, Init_parm, GFS_Diag)
if (quilting_restart) then
call fv_dyn_restart_register (Atm(mygrid))
call fv3atm_restart_register (GFS_data%Sfcprop, GFS_restart_var, Atm_block, GFS_control)
endif
call fv3atm_restart_read (GFS_data, GFS_restart_var, Atm_block, GFS_control, Atmos%domain_for_read, &
Atm(mygrid)%flagstruct%warm_start, ignore_rst_cksum)
if(GFS_control%do_ca .and. Atm(mygrid)%flagstruct%warm_start)then
call read_ca_restart (Atmos%domain,3,GFS_control%ncells,GFS_control%nca,GFS_control%ncells_g,GFS_control%nca_g)
endif
! Populate the GFS_data%Statein container with the prognostic state
! in Atm_block, which contains the initial conditions/restart data.
call atmos_phys_driver_statein (GFS_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 (GFS_control%ldiag3d) then
do nb = 1,Atm_block%nblks
GFS_data(nb)%Stateout%gu0 = GFS_data(nb)%Statein%ugrs
GFS_data(nb)%Stateout%gv0 = GFS_data(nb)%Statein%vgrs
GFS_data(nb)%Stateout%gt0 = GFS_data(nb)%Statein%tgrs
GFS_data(nb)%Stateout%gq0 = GFS_data(nb)%Statein%qgrs
enddo
endif
! 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')
if (GFS_Control%do_sppt .or. GFS_Control%do_shum .or. GFS_Control%do_skeb .or. &
GFS_Control%lndp_type > 0 .or. GFS_Control%do_ca .or. GFS_Control%do_spp) then
!--- Initialize stochastic physics pattern generation / cellular automata for first time step
call stochastic_physics_wrapper(GFS_control, GFS_data, Atm_block, ierr)
if (ierr/=0) call mpp_error(FATAL, 'Call to stochastic_physics_wrapper failed')
endif
!--- set the initial diagnostic timestamp
diag_time = Time
call get_time (Atmos%Time - Atmos%Time_init, sec)
!--- Model should restart at the forecast hours that are multiples of fhzero.
!--- WARNING: For special cases that model needs to restart at non-multiple of fhzero
!--- the fields in first output files are not accumulated from the beginning of
!--- the bucket, but the restart time.
if (mod(sec,int(GFS_Control%fhzero*3600.)) /= 0) then
diag_time = Time - real_to_time_type(mod(int((GFS_Control%kdt - 1)*dt_phys/3600.),int(GFS_Control%fhzero))*3600.0)
if (mpp_pe() == mpp_root_pe()) print *,'Warning: in atmos_init,start at non multiple of fhzero'
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
!--- set up clock time
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)
! Set flag for first time step of time integration
GFS_control%first_time_step = .true.
!-----------------------------------------------------------------------
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()
#ifdef MOVING_NEST
! W. Ramstrom, AOML/HRD -- May 28, 2021
! Evaluates whether to move nest, then performs move if needed
if (Atmos%moving_nest_parent .or. Atmos%is_moving_nest ) then
call update_moving_nest (Atm_block, GFS_control, GFS_data, Atmos%Time)
endif
#endif
call mpp_clock_begin(fv3Clock)
call atmosphere_dynamics (Atmos%Time)
#ifdef MOVING_NEST
! W. Ramstrom, AOML/HRD -- June 9, 2021
! Debugging output of moving nest code. Called from this level to access needed input variables.
if (Atmos%moving_nest_parent .or. Atmos%is_moving_nest ) then
call dump_moving_nest (Atm_block, GFS_control, GFS_data, Atmos%Time)
endif
#endif
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( GFS_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( GFS_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, rc)
! to update the model state after all concurrency is completed
use ESMF
type (atmos_data_type), intent(inout) :: Atmos
integer, optional, intent(out) :: rc
!--- local variables
integer :: localrc
integer :: isec, seconds, isec_fhzero
real(kind=GFS_kind_phys) :: time_int, time_intfull
!
if (present(rc)) rc = ESMF_SUCCESS
call set_atmosphere_pelist()
call mpp_clock_begin(fv3Clock)
call mpp_clock_begin(updClock)
call atmosphere_state_update (Atmos%Time, GFS_data, IAU_Data, Atm_block, flip_vc)
#ifdef MOVING_NEST
call execute_tracker(Atm, mygrid, Atmos%Time, Atmos%Time_step)
#endif
call mpp_clock_end(updClock)
call mpp_clock_end(fv3Clock)
if (chksum_debug) then
if (mpp_pe() == mpp_root_pe()) print *,'UPDATE STATE ', GFS_control%kdt, GFS_control%fhour
if (mpp_pe() == mpp_root_pe()) print *,'in UPDATE STATE ', size(GFS_data(1)%SfcProp%tsfc),'nblks=',Atm_block%nblks
call fv3atm_checksum(GFS_control, GFS_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(output_fh(:)*3600.0) == seconds) .or. (GFS_control%kdt == first_kdt)) 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 fv3atm_diag_output(Atmos%Time, GFS_Diag, Atm_block, GFS_control%nx, GFS_control%ny, &