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FV_StateMod.F90
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FV_StateMod.F90
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#include "MAPL_Generic.h"
module FV_StateMod
!BOP
!
! !MODULE: FV_StateMod --- GEOS5/CAM Cubed-Sphere fvcore state variables/init/run/finalize
!
! !USES:
#if defined( MAPL_MODE )
use ESMF ! ESMF base class
use MAPL ! MAPL base class
#endif
use MAPL_ConstantsMod, only: MAPL_CP, MAPL_RGAS, MAPL_RVAP, MAPL_GRAV, MAPL_RADIUS, &
MAPL_KAPPA, MAPL_PI_R8, MAPL_ALHL, MAPL_PSDRY
use fms_mod, only: fms_init, set_domain, nullify_domain
use mpp_domains_mod, only: mpp_update_domains, CGRID_NE, DGRID_NE, mpp_get_boundary
use mpp_parameter_mod, only: AGRID_PARAM=>AGRID, CORNER
use fv_timing_mod, only: timing_on, timing_off, timing_init, timing_prt
use mpp_mod, only: mpp_pe, mpp_root_pe
use mpp_domains_mod, only: domain2d
use fv_grid_utils_mod, only: inner_prod, mid_pt_sphere, cubed_to_latlon, &
ptop_min, g_sum
use fv_grid_tools_mod, only: get_unit_vector
use fv_control_mod, only: fv_init1, fv_init2
use fv_arrays_mod , only: fv_atmos_type, FVPRC, REAL4, REAL8
use init_hydro_mod, only: p_var
use fv_dynamics_mod, only: fv_dynamics
use fv_update_phys_mod, only: fv_update_phys
use sw_core_mod, only: d2a2c_vect
use fv_sg_mod, only: fv_subgrid_z
use gfdl_cloud_microphys_mod, only: gfdl_cloud_microphys_init
use fv_diagnostics_mod, only: prt_maxmin, prt_minmax
implicit none
private
#include "mpif.h"
real(REAL8), save :: elapsed_time = 0
real(REAL8), save :: massD0
real(REAL8), save :: massADDED = 0.0
real(FVPRC), parameter :: tiny_number=1.e-15
real(FVPRC), parameter :: huge_number=1.e+15
! !PUBLIC DATA MEMBERS:
logical :: FV_OFF = .false.
integer :: INT_FV_OFF = 0
logical :: DEBUG = .false.
logical :: COLDSTART = .false.
logical :: SW_DYNAMICS = .false.
integer :: INT_ADIABATIC = 0
logical :: ADIABATIC = .false.
logical :: FV_HYDROSTATIC = .true.
integer :: INT_check_mass = 0
logical :: check_mass = .false.
integer :: INT_fix_mass = 1
logical :: fix_mass = .true.
integer :: CASE_ID = 11
integer :: AdvCore_Advection = 0
public FV_Atm
public FV_Setup, FV_InitState, FV_Run, FV_Finalize, FV_DA_Incs
public FV_HYDROSTATIC, ADIABATIC, DEBUG, COLDSTART, CASE_ID, SW_DYNAMICS, AdvCore_Advection
public FV_RESET_CONSTANTS
public FV_To_State, State_To_FV
public T_TRACERS, T_FVDYCORE_VARS, T_FVDYCORE_GRID, T_FVDYCORE_STATE
public fv_fillMassFluxes
public fv_computeMassFluxes
public fv_getVerticalMassFlux
public fv_getPK
public fv_getOmega
public fv_getVorticity
public fv_getDivergence
public fv_getUpdraftHelicity
public fv_getEPV
public fv_getDELZ
public fv_getPKZ
public fv_getQ
public debug_fv_state
public INTERP_DGRID_TO_AGRID
public INTERP_AGRID_TO_DGRID
interface fv_computeMassFluxes
module procedure fv_computeMassFluxes_r4
module procedure fv_computeMassFluxes_r8
end interface
INTERFACE INTERP_DGRID_TO_AGRID
MODULE PROCEDURE fv_getAgridWinds_3D
MODULE PROCEDURE fv_getAgridWinds_2D
END INTERFACE
INTERFACE INTERP_AGRID_TO_DGRID
MODULE PROCEDURE a2d3d ! 2d to 3d
MODULE PROCEDURE a2d2d ! 2d to 2d
END INTERFACE
logical, save :: Init_FV_Domain = .true.
type(fv_atmos_type), allocatable, save :: FV_Atm(:)
logical, allocatable, save :: grids_on_this_pe(:)
type T_TRACERS
logical :: is_r4
real(REAL8), dimension(:,:,: ), pointer :: content
real(REAL4), dimension(:,:,: ), pointer :: content_r4
character(LEN=ESMF_MAXSTR) :: tname
end type T_TRACERS
! T_FVDYCORE_VARS contains the prognostic variables for FVdycore
type T_FVDYCORE_VARS
real(REAL8), dimension(:,:,: ), pointer :: U => NULL() ! U winds (D-grid)
real(REAL8), dimension(:,:,: ), pointer :: V => NULL() ! V winds (D-grid)
real(REAL8), dimension(:,:,: ), pointer :: PT => NULL() ! scaled virtual pot. temp.
real(REAL8), dimension(:,:,: ), pointer :: PE => NULL() ! Pressure at layer edges
real(REAL8), dimension(:,:,: ), pointer :: PKZ => NULL() ! P^kappa mean
real(REAL8), dimension(:,:,: ), pointer :: DZ => NULL() ! Height Thickness
real(REAL8), dimension(:,:,: ), pointer :: W => NULL() ! Vertical Velocity
type(T_TRACERS), dimension(:), pointer :: tracer => NULL() ! Tracers
integer :: nwat ! Number of water species
end type T_FVDYCORE_VARS
! T_FVDYCORE_GRID contains information about the horizontal and vertical
! discretization, unlike in ARIES where these data are split into HORZ_GRID
! and VERT_GRID. The reason for this: currently all of this information is
! initialized in one call to FVCAM dynamics_init.
type T_FVDYCORE_GRID
!
#if defined( MAPL_MODE )
type (MAPL_MetaComp), pointer :: FVgenstate
type (ESMF_Grid) :: GRID ! The 'horizontal' grid (2D decomp only)
#endif
integer :: NG ! Ghosting
!
integer :: IS ! Start X-index (exclusive, unghosted)
integer :: IE ! End X-index (exclusive, unghosted)
integer :: JS ! Start Y-index (exclusive, unghosted)
integer :: JE ! End Y-index (exclusive, unghosted)
!
integer :: ISD ! Start X-index (exclusive, ghosted)
integer :: IED ! End X-index (exclusive, ghosted)
integer :: JSD ! Start Y-index (exclusive, ghosted)
integer :: JED ! End Y-index (exclusive, ghosted)
!
integer :: NPX ! Full X- dim
integer :: NPY ! Full Y- dim
integer :: NPZ ! Numer of levels
integer :: NPZ_P1 ! NPZ+1 (?)
integer :: NTILES ! How many log-rectangular tiles does my grid Have
! lat-lon = 1
! cubed-sphere = 6
real(REAL8), allocatable :: DXC(:,:) ! local C-Grid DeltaX
real(REAL8), allocatable :: DYC(:,:) ! local C-Grid DeltaY
real(REAL8), allocatable :: AREA(:,:) ! local cell area
real(REAL8) :: GLOBALAREA ! global area
integer :: KS ! Number of true pressure levels (out of NPZ+1)
real(REAL8) :: PTOP ! pressure at top (ak(1))
real(REAL8) :: PINT ! initial pressure (ak(npz+1))
real(REAL8), dimension(:), pointer :: AK => NULL() ! Sigma mapping
real(REAL8), dimension(:), pointer :: BK => NULL() ! Sigma mapping
real(REAL8) :: f_coriolis_angle = 0
!
! Tracers
!
integer :: NQ ! Number of advected tracers
end type T_FVDYCORE_GRID
integer, parameter :: NUM_FVDYCORE_ALARMS = 3
integer, parameter :: NUM_TIMES = 8
integer, parameter :: TIME_TO_RUN = 1
type T_FVDYCORE_STATE
!!! private
type (T_FVDYCORE_VARS) :: VARS
type (T_FVDYCORE_GRID ) :: GRID
#if defined( MAPL_MODE )
type (ESMF_Clock), pointer :: CLOCK
type (ESMF_Alarm) :: ALARMS(NUM_FVDYCORE_ALARMS)
#endif
integer(kind=8) :: RUN_TIMES(4,NUM_TIMES)
logical :: DOTIME, DODYN
real(REAL8) :: DT ! Large time step
integer :: NSPLIT
integer :: NUM_CALLS
end type T_FVDYCORE_STATE
! Constants used by fvcore
real(REAL8) :: pi
real(REAL8) :: omega ! angular velocity of earth's rotation
real(FVPRC) :: cp ! heat capacity of air at constant pressure
real(REAL8) :: radius ! radius of the earth (m)
real(REAL8) :: rgas ! Gas constant of the air
real(REAL8) :: rvap ! Gas constant of vapor
real(FVPRC) :: kappa ! kappa
real(REAL8) :: grav ! Gravity
real(REAL8) :: hlv ! latent heat of evaporation
real(FVPRC) :: zvir ! RWV/RAIR-1
real(kind=4), pointer :: phis(:,:)
logical :: fv_first_run = .true.
integer :: ntracers=11
type (ESMF_Alarm) :: MASSALARM
type (ESMF_TimeInterval) :: MassAlarmInt
logical :: first_mass_fix = .true.
!
! !DESCRIPTION:
!
! This module provides variables which are specific to the Lin-Rood
! dynamical core. Most of them were previously SAVE variables in
! different routines and were set with an "if (first)" statement.
!
! \begin{tabular}{|l|l|} \hline \hline
! lr\_init & Initialize the Lin-Rood variables \\ \hline
! lr\_clean & Deallocate all internal data structures \\ \hline
! \hline
! \end{tabular}
!
! !REVISION HISTORY:
! 2007.07.17 Putman Created from lat-lon core
!
!EOP
!-----------------------------------------------------------------------
real(REAL8), parameter :: D0_0 = 0.0
real(REAL8), parameter :: D0_5 = 0.5
real(REAL8), parameter :: D1_0 = 1.0
real(REAL8), parameter :: D2_0 = 2.0
real(REAL8), parameter :: D4_0 = 4.0
real(REAL8), parameter :: D180_0 = 180.0
real(REAL8), parameter :: ratmax = 0.81
contains
!-----------------------------------------------------------------------
!
! !INTERFACE:
subroutine FV_RESET_CONSTANTS(FV_PI, FV_OMEGA, FV_CP, FV_RADIUS, FV_RGAS, &
FV_RVAP, FV_KAPPA, FV_GRAV, FV_HLV, FV_ZVIR)
real (REAL8), optional, intent(IN) :: FV_PI
real (REAL8), optional, intent(IN) :: FV_OMEGA
real (REAL8), optional, intent(IN) :: FV_CP
real (REAL8), optional, intent(IN) :: FV_RADIUS
real (REAL8), optional, intent(IN) :: FV_RGAS
real (REAL8), optional, intent(IN) :: FV_RVAP
real (REAL8), optional, intent(IN) :: FV_KAPPA
real (REAL8), optional, intent(IN) :: FV_GRAV
real (REAL8), optional, intent(IN) :: FV_HLV
real (REAL8), optional, intent(IN) :: FV_ZVIR
if (present(FV_PI)) then
pi = FV_PI
endif
if (present(FV_OMEGA)) then
omega = FV_OMEGA
endif
if (present(FV_CP)) then
cp = FV_CP
endif
if (present(FV_RADIUS)) then
radius = FV_RADIUS
endif
if (present(FV_RGAS)) then
rgas = FV_RGAS
endif
if (present(FV_RVAP)) then
rvap = FV_RVAP
endif
if (present(FV_KAPPA)) then
kappa = FV_KAPPA
endif
if (present(FV_GRAV)) then
grav = FV_GRAV
endif
if (present(FV_HLV)) then
hlv = FV_HLV
endif
if (present(FV_ZVIR)) then
zvir = FV_ZVIR
endif
end subroutine FV_RESET_CONSTANTS
!
!-----------------------------------------------------------------------
subroutine FV_Setup(GC,LAYOUT_FILE, RC)
use test_cases_mod, only : test_case
type (ESMF_GridComp) , intent(INOUT) :: GC
character(LEN=*) , intent(IN ) :: LAYOUT_FILE
integer, optional , intent(OUT ) :: RC
! Local
character(len=ESMF_MAXSTR) :: IAm='FV_StateMod:FV_Setup'
! Local variables
type (ESMF_Config) :: cf
type (ESMF_VM) :: VM
integer :: status
real(FVPRC) :: DT
integer :: ks ! True # press. levs
integer :: ndt,nx,ny
type (MAPL_MetaComp), pointer :: MAPL => NULL()
integer :: comm
integer :: p_split=1
! BEGIN
call ESMF_VMGetCurrent(VM, rc=STATUS)
VERIFY_(STATUS)
call MAPL_MemUtilsWrite(VM, trim(IAm), RC=STATUS )
VERIFY_(STATUS)
! Retrieve the pointer to the state
! ---------------------------------
call MAPL_GetObjectFromGC (GC, MAPL, RC=STATUS )
VERIFY_(STATUS)
call MAPL_TimerOn(MAPL,"--FMS_INIT")
call ESMF_VMGet(VM,mpiCommunicator=comm,rc=status)
VERIFY_(STATUS)
call fms_init(comm)
call MAPL_TimerOff(MAPL,"--FMS_INIT")
call MAPL_MemUtilsWrite(VM, 'FV_StateMod: FMS_INIT', RC=STATUS )
VERIFY_(STATUS)
! Start up FV
call MAPL_TimerOn(MAPL,"--FV_INIT")
call fv_init1(FV_Atm, DT, grids_on_this_pe, p_split)
call MAPL_TimerOff(MAPL,"--FV_INIT")
call MAPL_MemUtilsWrite(VM, 'FV_StateMod: FV_INIT', RC=STATUS )
VERIFY_(STATUS)
if (FV_Atm(1)%flagstruct%npz == 1) SW_DYNAMICS = .true.
! FV grid dimensions setup from MAPL
call MAPL_GetResource( MAPL, FV_Atm(1)%flagstruct%npx, 'AGCM_IM:', default= 32, RC=STATUS )
VERIFY_(STATUS)
call MAPL_GetResource( MAPL, FV_Atm(1)%flagstruct%npy, 'AGCM_JM:', default=192, RC=STATUS )
VERIFY_(STATUS)
call MAPL_GetResource( MAPL, FV_Atm(1)%flagstruct%npz, 'AGCM_LM:', default= 72, RC=STATUS )
VERIFY_(STATUS)
! FV likes npx;npy in terms of cell vertices
if (FV_Atm(1)%flagstruct%npy == 6*FV_Atm(1)%flagstruct%npx) then
FV_Atm(1)%flagstruct%ntiles = 6
FV_Atm(1)%flagstruct%npy = FV_Atm(1)%flagstruct%npx+1
FV_Atm(1)%flagstruct%npx = FV_Atm(1)%flagstruct%npx+1
else
FV_Atm(1)%flagstruct%ntiles = 1
FV_Atm(1)%flagstruct%npy = FV_Atm(1)%flagstruct%npy+1
FV_Atm(1)%flagstruct%npx = FV_Atm(1)%flagstruct%npx+1
endif
! Check for Doubly Periodic Domain Info
call MAPL_GetResource( MAPL, FV_Atm(1)%flagstruct%deglat, label='FIXED_LATS:', default=FV_Atm(1)%flagstruct%deglat, rc=status )
VERIFY_(STATUS)
! MPI decomp setup
call MAPL_GetResource( MAPL, nx, 'NX:', default=0, RC=STATUS )
VERIFY_(STATUS)
FV_Atm(1)%layout(1) = nx
call MAPL_GetResource( MAPL, ny, 'NY:', default=0, RC=STATUS )
VERIFY_(STATUS)
if (FV_Atm(1)%flagstruct%grid_type == 4) then
FV_Atm(1)%layout(2) = ny
else
FV_Atm(1)%layout(2) = ny / 6
end if
! Get other scalars
! -----------------
call MAPL_GetResource( MAPL, ndt, 'RUN_DT:', default=0, RC=STATUS )
VERIFY_(STATUS)
DT = ndt
! Advect tracers within DynCore(AdvCore_Advection=.false.)
! or within AdvCore(AdvCore_Advection=.true.)
call MAPL_GetResource( MAPL, AdvCore_Advection, label='AdvCore_Advection:', default=AdvCore_Advection, rc=status )
VERIFY_(STATUS)
call MAPL_GetResource( MAPL, INT_fix_mass, label='fix_mass:' , default=INT_fix_mass, rc=status )
call MAPL_GetResource( MAPL, INT_check_mass, label='check_mass:' , default=INT_check_mass, rc=status )
call MAPL_GetResource( MAPL, INT_ADIABATIC, label='ADIABATIC:' , default=INT_adiabatic, rc=status )
call MAPL_GetResource( MAPL, INT_FV_OFF, label='FV_OFF:' , default=INT_FV_OFF, rc=status )
! MAT The Fortran Standard, and thus gfortran, *does not allow* the use
! of if (integer). So, we must convert integer resources to logicals
if (INT_fix_mass == 0) then
fix_mass = .FALSE.
else
fix_mass = .TRUE.
end if
if (INT_check_mass == 0) then
check_mass = .FALSE.
else
check_mass = .TRUE.
end if
if (INT_ADIABATIC == 0) then
ADIABATIC = .FALSE.
else
ADIABATIC = .TRUE.
end if
if (INT_FV_OFF == 0) then
FV_OFF = .FALSE.
else
FV_OFF = .TRUE.
end if
! Constants
!
pi = MAPL_PI_R8
omega = MAPL_OMEGA ! angular velocity of earth's rotation
cp = MAPL_CP ! heat capacity of air at constant pressure
radius = MAPL_RADIUS ! radius of the earth (m)
rgas = MAPL_RGAS ! Gas constant of the air
rvap = MAPL_RVAP ! Gas constant of vapor
kappa = MAPL_KAPPA ! kappa
grav = MAPL_GRAV ! Gravity
hlv = MAPL_ALHL ! latent heat of evaporation
zvir = MAPL_RVAP/MAPL_RGAS - 1. ! RWV/RAIR-1
!
! Create some resolution dependent defaults for FV3 in GEOS...
! These can be overrided in fv_core_nml in fvcore_layout.rc linked to input.nml
!-------------------------------------------------------------
! Number of water species for FV3 determined later
! when reading the tracer bundle in fv_first_run
FV_Atm(1)%flagstruct%nwat = 0
! Veritical resolution dependencies
FV_Atm(1)%flagstruct%external_eta = .true.
if (FV_Atm(1)%flagstruct%npz >= 70) then
FV_Atm(1)%flagstruct%n_sponge = 9 ! ~0.2mb
FV_Atm(1)%flagstruct%n_zfilter = 18 ! ~10mb
endif
if (FV_Atm(1)%flagstruct%npz >= 72) then
FV_Atm(1)%flagstruct%n_sponge = 9 ! ~0.2mb
FV_Atm(1)%flagstruct%n_zfilter = 25 ! ~10mb
endif
if (FV_Atm(1)%flagstruct%npz >= 90) then
FV_Atm(1)%flagstruct%n_sponge = 9 ! ~0.2mb
FV_Atm(1)%flagstruct%n_zfilter = 25 ! ~10mb
endif
if (FV_Atm(1)%flagstruct%npz >= 126) then
FV_Atm(1)%flagstruct%n_sponge = 9 ! ~0.2mb
FV_Atm(1)%flagstruct%n_zfilter = 23 ! ~10mb
endif
if (FV_Atm(1)%flagstruct%npz >= 132) then
FV_Atm(1)%flagstruct%n_sponge = 9 ! ~0.2mb
FV_Atm(1)%flagstruct%n_zfilter = 30 ! ~10mb
endif
if (FV_Atm(1)%flagstruct%npz >= 136) then
FV_Atm(1)%flagstruct%n_sponge = 9 ! ~0.2mb
FV_Atm(1)%flagstruct%n_zfilter = 30 ! ~10mb
endif
if (FV_Atm(1)%flagstruct%npz >= 180) then
FV_Atm(1)%flagstruct%n_sponge = 18 ! ~0.2mb
FV_Atm(1)%flagstruct%n_zfilter = 50 ! ~10mb
endif
FV_Atm(1)%flagstruct%tau = 0.
FV_Atm(1)%flagstruct%rf_cutoff = 7.5e2
FV_Atm(1)%flagstruct%d2_bg_k1 = 0.20
FV_Atm(1)%flagstruct%d2_bg_k2 = 0.06
FV_Atm(1)%flagstruct%remap_option = 0
FV_Atm(1)%flagstruct%kord_tm = 9
FV_Atm(1)%flagstruct%kord_mt = 9
FV_Atm(1)%flagstruct%kord_wz = 9
FV_Atm(1)%flagstruct%kord_tr = 9
FV_Atm(1)%flagstruct%z_tracer = .true.
! Some default horizontal flags
FV_Atm(1)%flagstruct%adjust_dry_mass = fix_mass
FV_Atm(1)%flagstruct%consv_te = 1.
FV_Atm(1)%flagstruct%consv_am = .false.
FV_Atm(1)%flagstruct%fill = .true.
FV_Atm(1)%flagstruct%dwind_2d = .false.
FV_Atm(1)%flagstruct%delt_max = 0.002
FV_Atm(1)%flagstruct%ke_bg = 0.0
! Some default damping options
FV_Atm(1)%flagstruct%nord = 2
FV_Atm(1)%flagstruct%dddmp = 0.2
FV_Atm(1)%flagstruct%d4_bg = 0.12
FV_Atm(1)%flagstruct%d2_bg = 0.0
FV_Atm(1)%flagstruct%d_ext = 0.0
! Some default time-splitting options
FV_Atm(1)%flagstruct%n_split = 0
FV_Atm(1)%flagstruct%k_split = 1
! default NonHydrostatic settings (irrelavent to Hydrostatic)
FV_Atm(1)%flagstruct%beta = 0.0
FV_Atm(1)%flagstruct%a_imp = 1.0
FV_Atm(1)%flagstruct%p_fac = 0.1
! Cubed-Sphere Global Resolution Specific adjustments
if (FV_Atm(1)%flagstruct%ntiles == 6) then
! Cubed-sphere grid resolution and DT dependence
! based on ideal remapping DT
if (FV_Atm(1)%flagstruct%npx >= 48) then
FV_Atm(1)%flagstruct%k_split = CEILING(DT/1800.0 )
endif
if (FV_Atm(1)%flagstruct%npx >= 90) then
FV_Atm(1)%flagstruct%k_split = CEILING(DT/ 900.0 )
endif
if (FV_Atm(1)%flagstruct%npx >= 180) then
FV_Atm(1)%flagstruct%k_split = CEILING(DT/ 450.0 )
endif
if (FV_Atm(1)%flagstruct%npx >= 360) then
FV_Atm(1)%flagstruct%k_split = CEILING(DT/ 225.0 )
endif
if (FV_Atm(1)%flagstruct%npx >= 720) then
FV_Atm(1)%flagstruct%k_split = CEILING(DT/ 112.5 )
endif
if (FV_Atm(1)%flagstruct%npx >= 1440) then
FV_Atm(1)%flagstruct%k_split = CEILING(DT/ 37.5 )
endif
if (FV_Atm(1)%flagstruct%npx >= 2880) then
FV_Atm(1)%flagstruct%k_split = CEILING(DT/ 18.75 )
endif
if (FV_Atm(1)%flagstruct%npx >= 5760) then
FV_Atm(1)%flagstruct%k_split = CEILING(DT/ 9.375 )
endif
if (FV_Atm(1)%flagstruct%npz == 72) then
FV_Atm(1)%flagstruct%fv_sg_adj = DT
! Monotonic Hydrostatic defaults
FV_Atm(1)%flagstruct%hydrostatic = .true.
FV_Atm(1)%flagstruct%make_nh = .false.
FV_Atm(1)%flagstruct%vtdm4 = 0.0
FV_Atm(1)%flagstruct%do_vort_damp = .false.
FV_Atm(1)%flagstruct%d_con = 0.
FV_Atm(1)%flagstruct%hord_mt = 10
FV_Atm(1)%flagstruct%hord_vt = 10
FV_Atm(1)%flagstruct%hord_tm = 10
FV_Atm(1)%flagstruct%hord_dp = 10
! This is the best/fastest option for tracers
FV_Atm(1)%flagstruct%hord_tr = 8
! NonMonotonic defaults for c360 (~25km) and finer
if (FV_Atm(1)%flagstruct%npx >= 360) then
! This combination of horizontal advection schemes is critical
! for anomaly correlation NWP skill.
! Using all = 5 (like GFS) produces a substantial degredation in skill
FV_Atm(1)%flagstruct%hord_mt = 5
FV_Atm(1)%flagstruct%hord_vt = 6
FV_Atm(1)%flagstruct%hord_tm = 6
FV_Atm(1)%flagstruct%hord_dp = -6
! Must now include explicit vorticity damping
FV_Atm(1)%flagstruct%d_con = 1.
FV_Atm(1)%flagstruct%do_vort_damp = .true.
FV_Atm(1)%flagstruct%vtdm4 = 0.02
endif
else
FV_Atm(1)%flagstruct%fv_sg_adj = DT
! Monotonic Hydrostatic defaults
FV_Atm(1)%flagstruct%hydrostatic = .false.
FV_Atm(1)%flagstruct%make_nh = .false.
FV_Atm(1)%flagstruct%vtdm4 = 0.0
FV_Atm(1)%flagstruct%do_vort_damp = .false.
FV_Atm(1)%flagstruct%d_con = 0.
FV_Atm(1)%flagstruct%hord_mt = 10
FV_Atm(1)%flagstruct%hord_vt = 10
FV_Atm(1)%flagstruct%hord_tm = 10
FV_Atm(1)%flagstruct%hord_dp = 10
! This is the best/fastest option for tracers
FV_Atm(1)%flagstruct%hord_tr = 8
! NonMonotonic defaults for c360 (~25km) and finer
if (FV_Atm(1)%flagstruct%npx >= 360) then
FV_Atm(1)%flagstruct%hord_mt = 6
FV_Atm(1)%flagstruct%hord_vt = 6
FV_Atm(1)%flagstruct%hord_tm = 6
FV_Atm(1)%flagstruct%hord_dp = -6
! Must now include explicit vorticity damping
FV_Atm(1)%flagstruct%d_con = 1.
FV_Atm(1)%flagstruct%do_vort_damp = .true.
FV_Atm(1)%flagstruct%vtdm4 = 0.02
endif
! continue to adjust vorticity damping with
! increasing resolution
if (FV_Atm(1)%flagstruct%npx >= 1440) then
FV_Atm(1)%flagstruct%vtdm4 = 0.04
endif
if (FV_Atm(1)%flagstruct%npx >= 2880) then
FV_Atm(1)%flagstruct%vtdm4 = 0.06
endif
if (FV_Atm(1)%flagstruct%npx >= 5760) then
FV_Atm(1)%flagstruct%vtdm4 = 0.08
endif
endif
endif
!! Start up FV
call MAPL_TimerOn(MAPL,"--FV_INIT")
call fv_init2(FV_Atm, DT, grids_on_this_pe, p_split)
call MAPL_TimerOff(MAPL,"--FV_INIT")
call MAPL_MemUtilsWrite(VM, 'FV_StateMod: FV_INIT', RC=STATUS )
VERIFY_(STATUS)
!! Setup GFDL microphysics module
call gfdl_cloud_microphys_init()
_ASSERT(DT > 0.0, 'DT must be greater than zero')
call WRITE_PARALLEL("Dynamics PE Layout ")
call WRITE_PARALLEL(FV_Atm(1)%layout(1) ,format='("NPES_X : ",( I3))')
call WRITE_PARALLEL(FV_Atm(1)%layout(2) ,format='("NPES_Y : ",( I3))')
call WRITE_PARALLEL((/FV_Atm(1)%flagstruct%npx,FV_Atm(1)%flagstruct%npy,FV_Atm(1)%flagstruct%npz/) , &
format='("Resolution of dynamics restart =",3I5)' )
ks = FV_Atm(1)%ks ! ALT: this was the value when we read "old" style FV_internal restart
! if needed, we could compute, ks by count(BK==0.0)
! then FV will try to run slightly more efficient code
! So far, GEOS-5 has used ks = 0
_ASSERT(ks <= FV_Atm(1)%flagstruct%NPZ+1,'ks must be smaller than NPZ+1')
call WRITE_PARALLEL(ks , &
format='("Number of true pressure levels =", I5)' )
FV_HYDROSTATIC = FV_Atm(1)%flagstruct%hydrostatic
DEBUG = FV_Atm(1)%flagstruct%fv_debug
prt_minmax = FV_Atm(1)%flagstruct%fv_debug
call MAPL_MemUtilsWrite(VM, trim(Iam), RC=STATUS )
VERIFY_(STATUS)
RETURN_(ESMF_SUCCESS)
contains
!-----------------------------------------------------------------------
! BOP
! !IROUTINE: init_nsplit --- find proper value for nsplit if not specified
!
! !INTERFACE:
integer function INIT_NSPLIT(dtime,npx,npy)
!
implicit none
! !INPUT PARAMETERS:
real (REAL8), intent(in) :: dtime ! time step
integer, intent(in) :: npx,npy ! Global horizontal resolution
! !DESCRIPTION:
!
! If nsplit=0 (module variable) then determine a good value
! for ns (used in fvdycore) based on resolution and the large-time-step
! (dtime). The user may have to set this manually if instability occurs.
!
! !REVISION HISTORY:
! 00.10.19 Lin Creation
! 01.03.26 Sawyer ProTeX documentation
! 01.06.10 Sawyer Modified for dynamics_init framework
! 03.12.04 Sawyer Moved here from dynamics_vars. Now a function
! 07.16.07 Putman Modified for cubed-sphere
!
! EOP
!-----------------------------------------------------------------------
! !LOCAL VARIABLES:
real (REAL8) umax
real (REAL8) dimx
real (REAL8) dim0 ! base dimension
real (REAL8) dt0 ! base time step
real (REAL8) ns0 ! base nsplit for base dimension
integer ns ! final value to be returned
parameter ( dim0 = 180. )
parameter ( dt0 = 1800. )
parameter ( umax = 350. )
ns0 = 7.
dimx = 4.0*npx
if (FV_Atm(1)%flagstruct%grid_type < 4) then
ns = nint ( ns0*abs(dtime)*dimx/(dt0*dim0) + 0.49 )
if (.not. FV_Atm(1)%flagstruct%hydrostatic) ns = ns*1.5 ! time-step needs to be shortened for NH stabilitiy
ns = max ( 1, ns )
else
!ns = nint ( 2.*umax*dtime/sqrt(dx_const**2 + dy_const**2) + 0.49 )
ns = nint ( ns0*dtime/sqrt(FV_Atm(1)%flagstruct%dx_const**2 + FV_Atm(1)%flagstruct%dy_const**2) + 0.49 )
endif
init_nsplit = ns/FV_Atm(1)%flagstruct%k_split
return
end function INIT_NSPLIT
!---------------------------------------------------------------------
end subroutine FV_Setup
subroutine FV_InitState (STATE, CLOCK, INTERNAL, IMPORT, GC, RC)
use test_cases_mod, only : test_case, init_double_periodic
type (T_FVDYCORE_STATE),pointer :: STATE
type (ESMF_Clock), target, intent(INOUT) :: CLOCK
type (ESMF_GridComp) , intent(INOUT) :: GC
type (ESMF_State) , intent(INOUT) :: INTERNAL
type (ESMF_State) , intent(INOUT) :: IMPORT
integer, optional , intent(OUT ) :: RC
! Local variables
! Pointers to geography info in the MAPL MetaComp
real, pointer :: LATS (:,:)
real, pointer :: LONS (:,:)
type (ESMF_TimeInterval) :: Time2Run
type (ESMF_VM) :: VM
type (T_FVDYCORE_GRID) , pointer :: GRID
integer :: status
real(REAL8) :: DT
integer :: is ,ie , js ,je ! Local dims
integer :: isc,iec, jsc,jec ! Local dims
integer :: isd,ied, jsd,jed ! Local dims
integer :: k ! Vertical loop index
integer :: ng
integer :: ndt
integer :: i,j
type (ESMF_Time) :: fv_time
integer :: days, seconds
character(len=ESMF_MAXSTR) :: IAm='FV:FV_InitState'
real(REAL8), pointer :: AK(:) => NULL()
real(REAL8), pointer :: BK(:) => NULL()
real(REAL8), dimension(:,:,:), pointer :: U => NULL()
real(REAL8), dimension(:,:,:), pointer :: V => NULL()
real(REAL8), dimension(:,:,:), pointer :: PT => NULL()
real(REAL8), dimension(:,:,:), pointer :: PE => NULL()
real(REAL8), dimension(:,:,:), pointer :: PKZ => NULL()
real(REAL8), dimension(:,:,:), pointer :: DZ => NULL()
real(REAL8), dimension(:,:,:), pointer :: W => NULL()
type (MAPL_MetaComp), pointer :: mapl => NULL()
real(REAL8), ALLOCATABLE :: UA(:,:,:)
real(REAL8), ALLOCATABLE :: VA(:,:,:)
real(REAL8), ALLOCATABLE :: UD(:,:,:)
real(REAL8), ALLOCATABLE :: VD(:,:,:)
logical :: hybrid
integer :: tile_in
integer :: gid, masterproc
! BEGIN
! Retrieve the pointer to the state
! ---------------------------------
call MAPL_GetObjectFromGC (GC, MAPL, RC=STATUS )
VERIFY_(STATUS)
call MAPL_GetResource( MAPL, ndt, 'RUN_DT:', default=0, RC=STATUS )
VERIFY_(STATUS)
DT = ndt
STATE%GRID%FVgenstate => MAPL
GRID => STATE%GRID ! For convenience
STATE%DOTIME= .TRUE.
STATE%DT = DT
STATE%NSPLIT = FV_Atm(1)%flagstruct%N_SPLIT
GRID%NG = 3 ; ng = 3
GRID%NPX = FV_Atm(1)%flagstruct%NPX-1
GRID%NPY = FV_Atm(1)%flagstruct%NPY-1
GRID%NPZ = FV_Atm(1)%flagstruct%NPZ
GRID%NPZ_P1 = FV_Atm(1)%flagstruct%NPZ+1
GRID%NTILES = 6
GRID%NQ = MAX(1,FV_Atm(1)%flagstruct%ncnst)
masterproc = mpp_root_pe()
gid = mpp_pe()
call ESMF_GridCompGet(gc, grid=GRID%GRID, VM=VM, rc=STATUS)
VERIFY_(STATUS)
call WRITE_PARALLEL(' ')
call WRITE_PARALLEL(STATE%DT,format='("Dynamics time step : ",(F10.4))')
call WRITE_PARALLEL(' ')
! Get pointers to internal state vars
call MAPL_GetPointer(internal, ak, "AK",rc=status)
VERIFY_(STATUS)
call MAPL_GetPointer(internal, bk, "BK",rc=status)
VERIFY_(STATUS)
call MAPL_GetPointer(internal, u, "U",rc=status)
VERIFY_(STATUS)
call MAPL_GetPointer(internal, v, "V",rc=status)
VERIFY_(STATUS)
call MAPL_GetPointer(internal, pt, "PT",rc=status)
VERIFY_(STATUS)
call MAPL_GetPointer(internal, pe, "PE",rc=status)
VERIFY_(STATUS)
call MAPL_GetPointer(internal, pkz, "PKZ",rc=status)
VERIFY_(STATUS)
call MAPL_GetPointer(internal, dz, "DZ",rc=status)
VERIFY_(STATUS)
call MAPL_GetPointer(internal, w, "W",rc=status)
VERIFY_(STATUS)
call CREATE_VARS ( FV_Atm(1)%bd%isc, FV_Atm(1)%bd%iec, FV_Atm(1)%bd%jsc, FV_Atm(1)%bd%jec, &
1, FV_Atm(1)%flagstruct%npz, FV_Atm(1)%flagstruct%npz+1, &
U, V, PT, PE, PKZ, DZ, W, &
STATE%VARS )
call MAPL_MemUtilsWrite(VM, 'FV_StateMod: CREATE_VARS', RC=STATUS )
VERIFY_(STATUS)
GRID%IS = FV_Atm(1)%bd%isc
GRID%IE = FV_Atm(1)%bd%iec
GRID%JS = FV_Atm(1)%bd%jsc
GRID%JE = FV_Atm(1)%bd%jec
GRID%isd = FV_Atm(1)%bd%isd
GRID%ied = FV_Atm(1)%bd%ied
GRID%jsd = FV_Atm(1)%bd%jsd
GRID%jed = FV_Atm(1)%bd%jed
if(.not.associated(GRID%AK)) allocate(GRID%AK(size(ak)))
if(.not.associated(GRID%BK)) allocate(GRID%BK(size(bk)))
GRID%AK = ak
GRID%BK = bk
! Local Copy of dimensions
IS = FV_Atm(1)%bd%isc
IE = FV_Atm(1)%bd%iec
JS = FV_Atm(1)%bd%jsc
JE = FV_Atm(1)%bd%jec
ISC = FV_Atm(1)%bd%isc
IEC = FV_Atm(1)%bd%iec
JSC = FV_Atm(1)%bd%jsc
JEC = FV_Atm(1)%bd%jec
ISD = FV_Atm(1)%bd%isd
IED = FV_Atm(1)%bd%ied
JSD = FV_Atm(1)%bd%jsd
JED = FV_Atm(1)%bd%jed
allocate( GRID%DXC(IS:IE,JS:JE) )
GRID%DXC = fv_atm(1)%gridstruct%dxc(IS:IE,JS:JE)
allocate( GRID%DYC(IS:IE,JS:JE) )
GRID%DYC = fv_atm(1)%gridstruct%dyc(IS:IE,JS:JE)
allocate( GRID%AREA(IS:IE,JS:JE) )
GRID%AREA = fv_atm(1)%gridstruct%area(IS:IE,JS:JE)
GRID%GLOBALAREA = fv_atm(1)%gridstruct%globalarea
if (FV_Atm(1)%flagstruct%grid_type == 4) then
fv_atm(1)%gridstruct%fC(:,:) = 2.*MAPL_OMEGA*sin(FV_Atm(1)%flagstruct%deglat/180.*MAPL_PI_R8)
fv_atm(1)%gridstruct%f0(:,:) = 2.*MAPL_OMEGA*sin(FV_Atm(1)%flagstruct%deglat/180.*MAPL_PI_R8)
else
if (GRID%f_coriolis_angle == -999) then
fv_atm(1)%gridstruct%fC(:,:) = 0.0
fv_atm(1)%gridstruct%f0(:,:) = 0.0
else
do j=jsd,jed+1
do i=isd,ied+1
fv_atm(1)%gridstruct%fC(i,j) = 2.*MAPL_OMEGA*( -COS(FV_Atm(1)%gridstruct%grid(i,j,1))*COS(FV_Atm(1)%gridstruct%grid(i,j,2))*SIN(GRID%f_coriolis_angle) + &
SIN(FV_Atm(1)%gridstruct%grid(i,j,2))*COS(GRID%f_coriolis_angle) )
enddo
enddo
do j=jsd,jed
do i=isd,ied
fv_atm(1)%gridstruct%f0(i,j) = 2.*MAPL_OMEGA*( -COS(FV_Atm(1)%gridstruct%agrid(i,j,1))*COS(FV_Atm(1)%gridstruct%agrid(i,j,2))*SIN(GRID%f_coriolis_angle) + &
SIN(FV_Atm(1)%gridstruct%agrid(i,j,2))*COS(GRID%f_coriolis_angle) )
enddo
enddo
endif
endif
! Check coordinate information from MAPL_MetaComp
!--------------------------------------------
call MAPL_Get(MAPL, &
LATS = LATS, & ! These are in radians
LONS = LONS, & ! These are in radians
INTERNAL_ESMF_STATE=INTERNAL, &
RC=STATUS )
VERIFY_(STATUS)
STATE%CLOCK => CLOCK
call ESMF_TimeIntervalSet(Time2Run, &
S=nint(STATE%DT), rc=status)
VERIFY_(status)
STATE%ALARMS(TIME_TO_RUN) = ESMF_AlarmCreate(name="Time2Run", clock=clock, &
ringInterval=Time2Run, &
Enabled=.TRUE., rc=status) ; VERIFY_(status)
call ESMF_AlarmEnable(STATE%ALARMS(TIME_TO_RUN), rc=status); VERIFY_(status)
call ESMF_AlarmRingerOn(STATE%ALARMS(TIME_TO_RUN), rc=status); VERIFY_(status)
call WRITE_PARALLEL(' ')
call WRITE_PARALLEL(STATE%DT, &
format='("INITIALIZED ALARM: DYN_TIME_TO_RUN EVERY ",F9.1," secs.")')
! Clear wall clock time clocks and global budgets
STATE%RUN_TIMES = 0
STATE%NUM_CALLS = 0
call ESMF_ClockGet( CLOCK, currTime=fv_time, rc=STATUS )
VERIFY_(STATUS)
call ESMF_TimeGet( fv_time, dayOfYear=days, s=seconds, rc=STATUS )
VERIFY_(STATUS)
! ---------------------------------------
! Create alarm for dry mass fix reporting
! ---------------------------------------
! Set an interval for printing. Currently hard-coded to
! six hours, but could be a MAPL_GetResource value
call ESMF_TimeIntervalSet(MassAlarmInt, H=6, rc=STATUS)
VERIFY_(STATUS)
! Create the alarm with the above interval
MASSALARM = ESMF_AlarmCreate(CLOCK = CLOCK, &
name = trim(Iam)//"_MassAlarm", &
RingInterval = MassAlarmInt, &
RingTime = fv_time, &
RefTime = fv_time, &
Enabled = .true., &
sticky = .false., &
RC = STATUS )
VERIFY_(STATUS)
call MAPL_GetPointer ( import, phis, 'PHIS', RC=STATUS )
VERIFY_(STATUS)
! Set FV3 surface geopotential
FV_Atm(1)%phis(isc:iec,jsc:jec) = real(phis,kind=REAL8)
call mpp_update_domains(FV_Atm(1)%phis, FV_Atm(1)%domain, complete=.true.)
FV_Atm(1)%ak = ak
FV_Atm(1)%bk = bk
FV_Atm(1)%ptop = FV_Atm(1)%ak(1)
FV_Atm(1)%q(:,:,:,:) = 0.0 ! We Don't Have QV from the Import yet
if (COLDSTART) then
if (FV_Atm(1)%flagstruct%grid_type == 4) then
if ( FV_Atm(1)%flagstruct%make_hybrid_z ) then
hybrid = .false.
else
hybrid = FV_Atm(1)%flagstruct%hybrid_z
endif
call init_double_periodic(FV_Atm(1)%u,FV_Atm(1)%v,FV_Atm(1)%w,FV_Atm(1)%pt,FV_Atm(1)%delp,FV_Atm(1)%q,FV_Atm(1)%phis, &
FV_Atm(1)%ps,FV_Atm(1)%pe, FV_Atm(1)%peln, &
FV_Atm(1)%pk,FV_Atm(1)%pkz, FV_Atm(1)%uc,FV_Atm(1)%vc, FV_Atm(1)%ua,FV_Atm(1)%va, &
FV_Atm(1)%ak, FV_Atm(1)%bk, FV_Atm(1)%gridstruct,FV_Atm(1)%flagstruct, &
FV_Atm(1)%npx, FV_Atm(1)%npy, FV_Atm(1)%npz, FV_Atm(1)%ng, FV_Atm(1)%flagstruct%ncnst, FV_Atm(1)%flagstruct%nwat, &
FV_Atm(1)%flagstruct%ndims, FV_Atm(1)%flagstruct%ntiles, FV_Atm(1)%flagstruct%dry_mass, FV_Atm(1)%flagstruct%mountain, &
FV_Atm(1)%flagstruct%moist_phys, FV_Atm(1)%flagstruct%hydrostatic, hybrid, FV_Atm(1)%delz, FV_Atm(1)%ze0, &
FV_Atm(1)%ks, FV_Atm(1)%ptop, FV_Atm(1)%domain, tile_in, FV_Atm(1)%bd)
! Copy FV to internal State
call FV_To_State ( STATE )
if( gid==masterproc ) write(*,*) 'Doubly Periodic IC generated LAT:', FV_Atm(1)%flagstruct%deglat
else
ALLOCATE( UA(isc:iec ,jsc:jec ,1:FV_Atm(1)%npz) )
ALLOCATE( VA(isc:iec ,jsc:jec ,1:FV_Atm(1)%npz) )
ALLOCATE( UD(isc:iec ,jsc:jec+1,1:FV_Atm(1)%npz) )
ALLOCATE( VD(isc:iec+1,jsc:jec ,1:FV_Atm(1)%npz) )
UA(isc:iec,jsc:jec,:) = STATE%VARS%U(isc:iec,jsc:jec,:)
VA(isc:iec,jsc:jec,:) = STATE%VARS%V(isc:iec,jsc:jec,:)
call INTERP_AGRID_TO_DGRID( UA, VA, UD, VD )
STATE%VARS%U(isc:iec,jsc:jec,:) = UD(isc:iec,jsc:jec,:)
STATE%VARS%V(isc:iec,jsc:jec,:) = VD(isc:iec,jsc:jec,:)
DEALLOCATE ( UA )
DEALLOCATE ( VA )
DEALLOCATE ( UD )
DEALLOCATE ( VD )
if ( .not. FV_HYDROSTATIC) then
FV_Atm(1)%w = 0.0
W = 0.0
PT = PT*PKZ
call fv_getDELZ(DZ,PT,PE)
PT = PT/PKZ
endif
call State_To_FV( STATE )
endif ! doubly-periodic