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CreateTopography.F90
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CreateTopography.F90
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PROGRAM CreateTopography
use ESMF
use constants_mod, only: pi, grav
! Shared Utilities
use fms_mod, only: fms_init, fms_end, file_exist
use mpp_mod, only: mpp_error, FATAL, NOTE
use fv_arrays_mod, only: fv_atmos_type, FVPRC, REAL4, REAL8
use fv_control_mod, only: npx,npy,npz, ntiles
use fv_control_mod, only: fv_init, fv_end
use fv_mp_mod, only: gid, masterproc, tile, mp_gather, mp_barrier
use fv_grid_tools_mod, only: grid, agrid, area, dx, dy, dxc, dyc
! Surf Map Utilities
use fv_surf_map_mod, only: surfdrv, map_to_cubed_simple
IMPLICIT NONE
integer:: im
integer:: jm
real(REAL8), allocatable :: phis_m(:,:)
real(REAL8), allocatable :: r8tmp(:,:)
real(REAL8), allocatable :: phis_global(:,:,:)
real(REAL4), allocatable :: rtopo(:,:)
real(REAL8), allocatable :: gwd_global(:,:,:)
real(REAL4), allocatable :: rgwd(:,:)
real(REAL8), allocatable :: trb_global(:,:,:)
real(REAL4), allocatable :: rtrb(:,:)
character*125 :: fname1
character*125 :: fname2
character*125 :: fname3
real(REAL4) :: rmax,rmin
real(REAL8) :: dlon, dlat
integer :: nlon, nlat
integer :: c2c_interp_npts
real(REAL8), allocatable :: lat1(:)
real(REAL8), allocatable :: lon1(:)
real(REAL8), allocatable :: r8latlon1(:,:)
real(REAL8), allocatable :: r8latlon2(:,:)
real(REAL8) :: dt
integer :: npts
integer :: i,j,itile, j1,j2
character(30) :: str_arg
#ifndef __GFORTRAN__
external :: getarg, iargc
integer iargc
#endif
type(fv_atmos_type) :: Atm(1)
! Start up FMS/MPP
call fms_init()
if (IARGC() /= 5) then
call mpp_error(FATAL, 'ABORT: need 4 argument npx,npy, nlon,nlat, c2c_interp_npts')
endif
CALL GETARG(1, str_arg)
read (str_arg,'(I10)') im
CALL GETARG(2, str_arg)
read (str_arg,'(I10)') jm
jm = jm*6
CALL GETARG(3, str_arg)
read (str_arg,'(I10)') nlon
CALL GETARG(4, str_arg)
read (str_arg,'(I10)') nlat
CALL GETARG(5, str_arg)
read (str_arg,'(I10)') c2c_interp_npts
! allocate lat/lon arrays
allocate ( lat1(nlat+1) )
allocate ( lon1(nlon+1) )
allocate ( r8latlon1(nlon,nlat) )
allocate ( r8latlon2(nlon,nlat) )
! Get Topography
npx = IM+1
npy = (JM/6) + 1
npz = 32
ntiles = 6
dt = 1800.0
call fv_init(Atm, dt)
if (npx-1 <= 1440) then
allocate ( phis_m(Atm(1)%isd:Atm(1)%ied,Atm(1)%jsd:Atm(1)%jed) )
allocate ( phis_global(npx-1,npy-1,6) )
allocate ( rtopo(npx-1,(npy-1)*6) )
call surfdrv(npx, npy, grid, agrid, area, dx, dy, dxc, dyc, &
phis_m, gid==masterproc)
phis_global(Atm(1)%isc:Atm(1)%iec,Atm(1)%jsc:Atm(1)%jec,tile) = &
phis_m(Atm(1)%isc:Atm(1)%iec,Atm(1)%jsc:Atm(1)%jec)/grav
call mp_gather(phis_global, Atm(1)%isc, Atm(1)%iec, Atm(1)%jsc, Atm(1)%jec, npx-1, npy-1, ntiles)
if (gid==masterproc) then
do itile=1,ntiles
j1 = (npy-1)*(itile-1) + 1
j2 = (npy-1)*(itile-1) + npy-1
rtopo(:,j1:j2) = phis_global(1:npx-1,1:npy-1,itile)
enddo
write(fname1, "('topo_DYN_ave_',i4.4,'x',i5.5,'.data')") IM,JM
open(44,file=fname1,form='unformatted',status='unknown')
write(44) rtopo
close(44)
endif
deallocate( rtopo )
deallocate( phis_global )
deallocate( phis_m )
endif
! Get GWD/TRB Variance
! if (npx-1 <= 180) then
allocate( r8tmp(Atm(1)%isd:Atm(1)%ied,Atm(1)%jsd:Atm(1)%jed) )
allocate ( gwd_global(im,im,6) )
allocate ( rgwd(im,jm) )
! Init latlon grid
dlon=(pi+pi)/real(nlon)
dlat=pi/real(nlat)
do i=1,nlon+1
lon1(i)=real(i-1)*dlon
enddo
lat1(1) =-0.5*pi
lat1(nlat+1)= 0.5*pi
do j=2,nlat
lat1(j)=lat1(1)+(real(j)-1.)*dlat
enddo
! Read GWD
write(fname1, "('topo_GWD_var_',i3.3,'x',i2.2,'_DC.data')") nlon,nlat
if (.not. file_exist(fname1)) then
write(fname1, "('topo_GWD_var_',i3.3,'x',i3.3,'_DC.data')") nlon,nlat
if (.not. file_exist(fname1)) then
write(fname1, "('topo_GWD_var_',i4.4,'x',i3.3,'_DC.data')") nlon,nlat
if (.not. file_exist(fname1)) then
write(fname1, "('topo_GWD_var_',i4.4,'x',i4.4,'_DC.data')") nlon,nlat
if (.not. file_exist(fname1)) call mpp_error(FATAL,fname1)
endif
endif
endif
open(40,file=fname1,form='unformatted',status='old')
read(40) r8latlon1
close(40)
if (gid==masterproc) then
rmax = vmax(r8latlon1,rmin,nlon,nlat,1)
write(6,*) 'gwd_max=', rmax*1.E3
write(6,*) 'gwd_min=', rmin*1.E3
endif
call mp_barrier()
! Regrid from -180:180 to 0:360
r8latlon2(1 :nlon/2,:) = r8latlon1(nlon/2 + 1 :nlon , :)
r8latlon2(nlon/2 + 1:nlon ,:) = r8latlon1(1 :nlon/2, :)
! Interp GWD
call map_to_cubed_simple(nlon, nlat, lat1, lon1, r8latlon2, grid, agrid, r8tmp, npx, npy)
gwd_global(Atm(1)%isc:Atm(1)%iec,Atm(1)%jsc:Atm(1)%jec,tile) = &
r8tmp(Atm(1)%isc:Atm(1)%iec,Atm(1)%jsc:Atm(1)%jec)**2.0
call mp_gather(gwd_global, Atm(1)%isc, Atm(1)%iec, Atm(1)%jsc, Atm(1)%jec, npx-1, npy-1, ntiles)
if (gid==masterproc) then
do itile=1,ntiles
j1 = (npy-1)*(itile-1) + 1
j2 = (npy-1)*(itile-1) + npy-1
rgwd(:,j1:j2) = gwd_global(1:npx-1,1:npy-1,itile)
enddo
write(fname2, "('topo_GWD_var_',i4.4,'x',i5.5,'.data')") IM,JM
open(45,file=fname2,form='unformatted',status='unknown')
write(45) rgwd
close(45)
endif
deallocate( rgwd )
deallocate( gwd_global )
allocate ( trb_global(im,im,6) )
allocate ( rtrb(im,jm) )
! Read TRB
write(fname1, "('topo_TRB_var_',i3.3,'x',i2.2,'_DC.data')") nlon,nlat
if (.not. file_exist(fname1)) then
write(fname1, "('topo_TRB_var_',i3.3,'x',i3.3,'_DC.data')") nlon,nlat
if (.not. file_exist(fname1)) then
write(fname1, "('topo_TRB_var_',i4.4,'x',i3.3,'_DC.data')") nlon,nlat
if (.not. file_exist(fname1)) then
write(fname1, "('topo_TRB_var_',i4.4,'x',i4.4,'_DC.data')") nlon,nlat
if (.not. file_exist(fname1)) call mpp_error(FATAL,fname1)
endif
endif
endif
open(40,file=fname1,form='unformatted',status='old')
read(40) r8latlon1
close(40)
if (gid==masterproc) then
rmax = vmax(r8latlon1,rmin,nlon,nlat,1)
write(6,*) 'trb_max=', rmax*1.E3
write(6,*) 'trb_min=', rmin*1.E3
endif
call mp_barrier()
! Regrid from -180:180 to 0:360
r8latlon2(1 :nlon/2,:) = r8latlon1(nlon/2 + 1 :nlon , :)
r8latlon2(nlon/2 + 1:nlon ,:) = r8latlon1(1 :nlon/2, :)
! Interp TRB
call map_to_cubed_simple(nlon, nlat, lat1, lon1, r8latlon2, grid, agrid, r8tmp, npx, npy)
trb_global(Atm(1)%isc:Atm(1)%iec,Atm(1)%jsc:Atm(1)%jec,tile) = &
r8tmp(Atm(1)%isc:Atm(1)%iec,Atm(1)%jsc:Atm(1)%jec)
call mp_gather(trb_global, Atm(1)%isc, Atm(1)%iec, Atm(1)%jsc, Atm(1)%jec, npx-1, npy-1, ntiles)
if (gid==masterproc) then
do itile=1,ntiles
j1 = (npy-1)*(itile-1) + 1
j2 = (npy-1)*(itile-1) + npy-1
rtrb(:,j1:j2) = trb_global(1:npx-1,1:npy-1,itile)
enddo
write(fname3, "('topo_TRB_var_',i4.4,'x',i5.5,'.data')") IM,JM
open(46,file=fname3,form='unformatted',status='unknown')
write(46) rtrb
close(46)
endif
deallocate( rtrb )
deallocate( trb_global )
deallocate( r8tmp )
! else
! call cube2cube_gwd_trb(c2c_interp_npts,npx-1)
! endif
deallocate( lat1 )
deallocate( lon1 )
deallocate( r8latlon1 )
deallocate( r8latlon2 )
call fv_end(Atm)
call fms_end()
contains
#ifdef DO_NOT_SKIP
subroutine cube2cube_gwd_trb(npx_in,npx_out)
! Cube to Cube Utilities
use CUB2CUB_mod, only : get_c2c_weight, do_c2c_interpolation
use fv_grid_utils_mod, only : gnomonic_grids
use fv_grid_tools_mod, only : mirror_grid
use GHOST_CUBSPH_mod, only : B_grid, A_grid, ghost_cubsph_update
IMPLICIT NONE
integer, intent(in) :: npx_in
integer, intent(in) :: npx_out
integer :: npts
integer :: ndims=2
real(ESMF_KIND_R8), allocatable :: xs(:,:), ys(:,:)
real(ESMF_KIND_R8), allocatable :: grid_in(:,:,:,:)
real(ESMF_KIND_R8), allocatable :: grid_out(:,:,:,:)
real(ESMF_KIND_R8), allocatable :: corner_in(:,:,:,:)
real(ESMF_KIND_R8), allocatable :: corner_out(:,:,:,:)
real(ESMF_KIND_R8), allocatable :: weight_c2c(:,:,:,:)
integer, allocatable :: index_c2c(:,:,:,:)
real(ESMF_KIND_R4), allocatable :: vari(:,:)
real(ESMF_KIND_R4), allocatable :: varo(:,:)
real(ESMF_KIND_R8), allocatable :: var_in(:,:,:)
real(ESMF_KIND_R8), allocatable :: var_out(:,:,:)
integer :: grid_type = 0
integer :: i,j,l,j1,j2,status
integer :: IUNIT=15
integer :: OUNIT=16
character*125 :: fname1
character*125 :: fname2
if (gid==masterproc) then
!--------------------------------------------------------------------!
! initialize Input cubed sphere grid !
!--------------------------------------------------------------------!
ntiles=6
npts = npx_in+1
allocate( xs(npts,npts) )
allocate( ys(npts,npts) )
allocate( grid_in(npts,npts,ndims,ntiles) )
call gnomonic_grids(grid_type, npts-1, xs, ys)
do j=1,npts
do i=1,npts
grid_in(i,j,1,1) = xs(i,j)
grid_in(i,j,2,1) = ys(i,j)
enddo
enddo
deallocate ( xs )
deallocate ( ys )
! mirror_grid assumes that the tile=1 is centered on equator and greenwich meridian Lon[-pi,pi]
call mirror_grid(grid_in, npts, npts, 2, 6)
do l=1,ntiles
do j=1,npts
do i=1,npts
!---------------------------------
! Shift the corner away from Japan
!---------------------------------
! This will result in the corner close to east coast of China
grid_in(i,j,1,l) = grid_in(i,j,1,l) - pi/18.
if ( grid_in(i,j,1,l) < 0. ) &
grid_in(i,j,1,l) = grid_in(i,j,1,l) + 2.*pi
if (ABS(grid_in(i,j,1,l)) < 1.e-10) grid_in(i,j,1,l) = 0.0
if (ABS(grid_in(i,j,2,l)) < 1.e-10) grid_in(i,j,2,l) = 0.0
enddo
enddo
enddo
allocate( corner_in(ndims,0:npts+1,0:npts+1,ntiles) )
corner_in(1,1:npts,1:npts,:) = grid_in(:,:,1,:)
corner_in(2,1:npts,1:npts,:) = grid_in(:,:,2,:)
!------------------------------------------------------------------!
! do halo update !
!------------------------------------------------------------------!
do l=1,ntiles
corner_in(1:2,0 ,0 ,l)=0.
corner_in(1:2,npts+1,0 ,l)=0.
corner_in(1:2,0 ,npts+1,l)=0.
corner_in(1:2,npts+1,npts+1,l)=0.
call ghost_cubsph_update(corner_in(1,0:npts+1,0:npts+1,:), 0, npts+1, 0, npts+1, 1, &
ntiles, 1, l, B_grid)
call ghost_cubsph_update(corner_in(2,0:npts+1,0:npts+1,:), 0, npts+1, 0, npts+1, 1, &
ntiles, 1, l, B_grid)
enddo
deallocate (grid_in)
!--------------------------------------------------------------------!
! initialize Output cubed sphere grid !
!--------------------------------------------------------------------!
npts = npx_out+1
allocate( xs(npts,npts) )
allocate( ys(npts,npts) )
allocate( grid_out(npts,npts,ndims,ntiles) )
call gnomonic_grids(grid_type, npts-1, xs, ys)
do j=1,npts
do i=1,npts
grid_out(i,j,1,1) = xs(i,j)
grid_out(i,j,2,1) = ys(i,j)
enddo
enddo
deallocate ( xs )
deallocate ( ys )
! mirror_grid assumes that the tile=1 is centered on equator and greenwich meridian Lon[-pi,pi]
call mirror_grid(grid_out, npts, npts, 2, 6)
allocate( corner_out(ndims,0:npts+1,0:npts+1,ntiles) )
do l=1,ntiles
do j=1,npts
do i=1,npts
!---------------------------------
! Shift the corner away from Japan
!---------------------------------
! This will result in the corner close to east coast of China
grid_out(i,j,1,l) = grid_out(i,j,1,l) - pi/18.
if ( grid_out(i,j,1,l) < 0. ) &
grid_out(i,j,1,l) = grid_out(i,j,1,l) + 2.*pi
if (ABS(grid_out(i,j,1,l)) < 1.e-10) grid_out(i,j,1,l) = 0.0
if (ABS(grid_out(i,j,2,l)) < 1.e-10) grid_out(i,j,2,l) = 0.0
enddo
enddo
enddo
corner_out(1,1:npts,1:npts,:) = grid_out(:,:,1,:)
corner_out(2,1:npts,1:npts,:) = grid_out(:,:,2,:)
!------------------------------------------------------------------!
! do halo update !
!------------------------------------------------------------------!
do l=1,ntiles
corner_out(1:2,0 ,0 ,l)=0.
corner_out(1:2,npts+1,0 ,l)=0.
corner_out(1:2,0 ,npts+1,l)=0.
corner_out(1:2,npts+1,npts+1,l)=0.
call ghost_cubsph_update(corner_out(1,0:npts+1,0:npts+1,:), 0, npts+1, 0, npts+1, &
1, ntiles, 1, l, B_grid)
call ghost_cubsph_update(corner_out(2,0:npts+1,0:npts+1,:), 0, npts+1, 0, npts+1, &
1, ntiles, 1, l, B_grid)
enddo
deallocate (grid_out)
!--------------------------------------------------------------------!
! calculate weights and indices from bilinear interpolation !
! from grid_in to grid_out !
!--------------------------------------------------------------------!
allocate(index_c2c (3, npx_out, npx_out, ntiles))
allocate(weight_c2c(4, npx_out, npx_out, ntiles))
call get_c2c_weight(ntiles, npx_in+1, npx_in+1, corner_in, &
npx_out+1, npx_out+1, 1,npx_out, 1,npx_out, 1,ntiles, &
corner_out, index_c2c, weight_c2c)
allocate( vari(npx_in,ntiles*(npx_in)) )
allocate( varo(npx_out,ntiles*(npx_out)) )
allocate( var_in(0:npx_in+1,0:npx_in+1,ntiles) )
! Do DYN_ave interp
allocate( var_out(npx_out,npx_out,ntiles) )
write(fname1, "('topo_DYN_ave_',i4.4,'x',i5.5,'.data')") (npx_in),ntiles*(npx_in)
if (.not. file_exist(fname1)) call mpp_error(FATAL,fname1)
open(IUNIT,file=fname1,form='unformatted',status='old')
read(IUNIT) vari
close(IUNIT)
do l=1,ntiles
j1 = (npx_in)*(l-1) + 1
j2 = (npx_in)*(l-1) + npx_in
var_in(1:npx_in,1:npx_in,l)=vari(:,j1:j2)
enddo
do l=1,ntiles
call ghost_cubsph_update(var_in, 0, npx_in+1, 0, npx_in+1, 1, ntiles, &
1, l, A_grid)
enddo
call do_c2c_interpolation(var_in, 0, npx_in+1, 0, npx_in+1, 1, ntiles, &
index_c2c, weight_c2c, npx_out, npx_out, var_out)
write(fname2, "('topo_DYN_ave_',i4.4,'x',i5.5,'_interp.data')") (npx_out),ntiles*(npx_out)
open(OUNIT,file=fname2,form='unformatted',status='unknown')
do l=1,ntiles
j1 = (npx_out)*(l-1) + 1
j2 = (npx_out)*(l-1) + npx_out
varo(:,j1:j2)=var_out(:,:,l)
enddo
write(OUNIT) varo
close(OUNIT)
! Do GWD interp
if (npx_out-1 <= 360) then
write(fname1, "('topo_GWD_var_',i4.4,'x',i5.5,'.data')") (npx_in),ntiles*(npx_in)
if (.not. file_exist(fname1)) call mpp_error(FATAL,fname1)
open(IUNIT,file=fname1,form='unformatted',status='old')
read(IUNIT) vari
close(IUNIT)
do l=1,ntiles
j1 = (npx_in)*(l-1) + 1
j2 = (npx_in)*(l-1) + npx_in
var_in(1:npx_in,1:npx_in,l)=vari(:,j1:j2)
enddo
do l=1,ntiles
call ghost_cubsph_update(var_in, 0, npx_in+1, 0, npx_in+1, 1, ntiles, &
1, l, A_grid)
enddo
call do_c2c_interpolation(var_in, 0, npx_in+1, 0, npx_in+1, 1, ntiles, &
index_c2c, weight_c2c, npx_out, npx_out, var_out)
else
var_out(:,:,:) = 0.0
endif
write(fname2, "('topo_GWD_var_',i4.4,'x',i5.5,'.data')") (npx_out),ntiles*(npx_out)
open(OUNIT,file=fname2,form='unformatted',status='unknown')
do l=1,ntiles
j1 = (npx_out)*(l-1) + 1
j2 = (npx_out)*(l-1) + npx_out
varo(:,j1:j2)=var_out(:,:,l)
enddo
write(OUNIT) varo
close(OUNIT)
! Do TRB interp
if (npx_out-1 <= 360) then
write(fname1, "('topo_TRB_var_',i4.4,'x',i5.5,'.data')") (npx_in),ntiles*(npx_in)
if (.not. file_exist(fname1)) call mpp_error(FATAL,fname1)
open(IUNIT,file=fname1,form='unformatted',status='old')
read(IUNIT) vari
close(IUNIT)
do l=1,ntiles
j1 = (npx_in)*(l-1) + 1
j2 = (npx_in)*(l-1) + npx_in
var_in(1:npx_in,1:npx_in,l)=vari(:,j1:j2)
enddo
do l=1,ntiles
call ghost_cubsph_update(var_in, 0, npx_in+1, 0, npx_in+1, 1, ntiles, &
1, l, A_grid)
enddo
call do_c2c_interpolation(var_in, 0, npx_in+1, 0, npx_in+1, 1, ntiles, &
index_c2c, weight_c2c, npx_out, npx_out, var_out)
else
var_out(:,:,:) = 0.0
endif
write(fname2, "('topo_TRB_var_',i4.4,'x',i5.5,'.data')") (npx_out),ntiles*(npx_out)
open(OUNIT,file=fname2,form='unformatted',status='unknown')
do l=1,ntiles
j1 = (npx_out)*(l-1) + 1
j2 = (npx_out)*(l-1) + npx_out
varo(:,j1:j2)=var_out(:,:,l)
enddo
write(OUNIT) varo
close(OUNIT)
deallocate( var_out )
deallocate( var_in )
deallocate( varo )
deallocate( vari )
deallocate( corner_out )
deallocate( corner_in )
deallocate( weight_c2c )
deallocate( index_c2c )
endif ! masterproc
end subroutine cube2cube_gwd_trb
#endif
real function vmax(a,pmin,m,n,z)
IMPLICIT NONE
integer m,n,z, i,j,k
real(REAL4) pmin, pmax
real(REAL8) a(m,n,z)
pmax = a(1,1,1)
pmin = a(1,1,1)
do k=1,z
do j=1,n
do i=1,m
pmax = max(pmax,a(i,j,k))
pmin = min(pmin,a(i,j,k))
enddo
enddo
enddo
vmax = pmax
end function vmax
END