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module_initialize_ideal.F
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!IDEAL:MODEL_LAYER:INITIALIZATION
!
! This MODULE holds the routines which are used to perform various initializations
! for the individual domains.
! This MODULE CONTAINS the following routines:
! initialize_field_test - 1. Set different fields to different constant
! values. This is only a test. If the correct
! domain is not found (based upon the "id")
! then a fatal error is issued.
!-----------------------------------------------------------------------
MODULE module_initialize_ideal
USE module_domain
USE module_io_domain
USE module_state_description
USE module_model_constants
USE module_bc
USE module_timing
USE module_configure
USE module_init_utilities
USE module_soil_pre
#ifdef DM_PARALLEL
USE module_dm
#endif
CONTAINS
!-------------------------------------------------------------------
! this is a wrapper for the solver-specific init_domain routines.
! Also dereferences the grid variables and passes them down as arguments.
! This is crucial, since the lower level routines may do message passing
! and this will get fouled up on machines that insist on passing down
! copies of assumed-shape arrays (by passing down as arguments, the
! data are treated as assumed-size -- ie. f77 -- arrays and the copying
! business is avoided). Fie on the F90 designers. Fie and a pox.
! NOTE: Modified to remove all but arrays of rank 4 or more from the
! argument list. Arrays with rank>3 are still problematic due to the
! above-noted fie- and pox-ities. TBH 20061129.
SUBROUTINE init_domain ( grid )
IMPLICIT NONE
! Input data.
TYPE (domain), POINTER :: grid
! Local data.
INTEGER :: idum1, idum2
CALL set_scalar_indices_from_config ( head_grid%id , idum1, idum2 )
CALL init_domain_rk( grid &
!
#include "actual_new_args.inc"
!
)
END SUBROUTINE init_domain
!-------------------------------------------------------------------
SUBROUTINE init_domain_rk ( grid &
!
# include "dummy_new_args.inc"
!
)
IMPLICIT NONE
! Input data.
TYPE (domain), POINTER :: grid
# include "dummy_new_decl.inc"
TYPE (grid_config_rec_type) :: config_flags
! Local data
INTEGER :: &
ids, ide, jds, jde, kds, kde, &
ims, ime, jms, jme, kms, kme, &
its, ite, jts, jte, kts, kte, &
i, j, k, kk
! Local data
INTEGER, PARAMETER :: nl_max = 1000
REAL, DIMENSION(nl_max) :: zk, p_in, theta, rho, u, v, qv, pd_in
INTEGER :: nl_in, icount
INTEGER :: icm,jcm, ii, im1, jj, jm1, loop, error, fid, nxc, nyc, lm
REAL :: u_mean,v_mean, f0, p_surf, p_level, qvf, z_at_v, z_at_u
REAL :: z_scale, xrad, yrad, zrad, rad, delt, cof1, cof2
! REAL, EXTERNAL :: interp_0
REAL :: hm, xa
REAL :: pi, rnd
! stuff from original initialization that has been dropped from the Registry
REAL :: vnu, xnu, xnus, dinit0, cbh, p0_temp, t0_temp, zd, zt
REAL :: qvf1, qvf2, pd_surf, theta_surf
INTEGER :: it
real :: thtmp, ptmp, temp(3)
real :: t_min, t_max, xpos, xposml, xpospl ! used by grav2d_x
LOGICAL :: moisture_init
LOGICAL :: stretch_grid, dry_sounding
character (len=256) :: mminlu2
REAL :: xa1, xal1,pii,hm1 ! data for intercomparison setup from dale
! space for initial jet in b_wave
INTEGER, parameter :: nz_jet=64, ny_jet=80
REAL, DIMENSION(nz_jet, ny_jet) :: u_jet, rho_jet, th_jet, z_jet
! perturbation parameters for b_wave
REAL, PARAMETER :: htbub=8000., radbub=2000000., radz=8000., tpbub=1.0
REAL :: piov2, tp
INTEGER :: icen, jcen
REAL :: B1, B2, B3, B4, B5, sin_arg
REAL :: Nsq, z, z1, z2
INTEGER :: iter_loop
INTEGER :: xs , xe , ys , ye
REAL :: mtn_ht
REAL :: randx ! for LES
INTEGER :: ks, ke, id
LOGICAL, EXTERNAL :: wrf_dm_on_monitor
SELECT CASE ( model_data_order )
CASE ( DATA_ORDER_ZXY )
kds = grid%sd31 ; kde = grid%ed31 ;
ids = grid%sd32 ; ide = grid%ed32 ;
jds = grid%sd33 ; jde = grid%ed33 ;
kms = grid%sm31 ; kme = grid%em31 ;
ims = grid%sm32 ; ime = grid%em32 ;
jms = grid%sm33 ; jme = grid%em33 ;
kts = grid%sp31 ; kte = grid%ep31 ; ! note that tile is entire patch
its = grid%sp32 ; ite = grid%ep32 ; ! note that tile is entire patch
jts = grid%sp33 ; jte = grid%ep33 ; ! note that tile is entire patch
CASE ( DATA_ORDER_XYZ )
ids = grid%sd31 ; ide = grid%ed31 ;
jds = grid%sd32 ; jde = grid%ed32 ;
kds = grid%sd33 ; kde = grid%ed33 ;
ims = grid%sm31 ; ime = grid%em31 ;
jms = grid%sm32 ; jme = grid%em32 ;
kms = grid%sm33 ; kme = grid%em33 ;
its = grid%sp31 ; ite = grid%ep31 ; ! note that tile is entire patch
jts = grid%sp32 ; jte = grid%ep32 ; ! note that tile is entire patch
kts = grid%sp33 ; kte = grid%ep33 ; ! note that tile is entire patch
CASE ( DATA_ORDER_XZY )
ids = grid%sd31 ; ide = grid%ed31 ;
kds = grid%sd32 ; kde = grid%ed32 ;
jds = grid%sd33 ; jde = grid%ed33 ;
ims = grid%sm31 ; ime = grid%em31 ;
kms = grid%sm32 ; kme = grid%em32 ;
jms = grid%sm33 ; jme = grid%em33 ;
its = grid%sp31 ; ite = grid%ep31 ; ! note that tile is entire patch
kts = grid%sp32 ; kte = grid%ep32 ; ! note that tile is entire patch
jts = grid%sp33 ; jte = grid%ep33 ; ! note that tile is entire patch
END SELECT
CALL model_to_grid_config_rec ( grid%id , model_config_rec , config_flags )
ideal_constants: SELECT CASE ( model_config_rec%ideal_case )
CASE ( hill2d_x )
hm = 100.
xa = 5.0
icm = ide/2
xa1 = 5000./500.
xal1 = 4000./500.
pii = 2.*asin(1.0)
hm1 = 250.
! hm1 = 1000.
stretch_grid = .true.
delt = 0.
! z_scale = .40
z_scale = 8000./config_flags%ztop
pi = 2.*asin(1.0)
write(6,*) ' pi is ',pi
nxc = (ide-ids)/2
nyc = (jde-jds)/2
CASE ( quarter_ss, squall2d_x, squall2d_y )
stretch_grid = .true.
delt = 3.
! z_scale = .40
z_scale = 8000./config_flags%ztop
pi = 2.*asin(1.0)
write(6,*) ' pi is ',pi
nxc = (ide-ids)/2
nyc = (jde-jds)/2
CASE (grav2d_x)
stretch_grid = .true.
! z_scale = 1.675
z_scale = 8000./config_flags%ztop
pi = 2.*asin(1.0)
write(6,*) ' pi is ',pi
nxc = (ide-ids)/2
nyc = (jde-jds)/2
CASE (convrad)
stretch_grid = .true.
delt = 1.
! z_scale = .32
z_scale = 8000./config_flags%ztop
pi = 2.*asin(1.0)
write(6,*) ' pi is ',pi
nxc = (ide-ids)/2
nyc = jde/2
icm = ide/2
! lm is the half width of the land in terms of grid points
lm = 25
write(6,*) 'lm,icm-lm,icm+lm = ', lm,icm-lm,icm+lm
CASE (b_wave)
! Note: htbub, radbub, radz, tpbub set above as parameters
piov2 = 2.*atan(1.0)
icen = ide/4
jcen = jde/2
stretch_grid = .true.
delt = 0.
! z_scale = .50
z_scale = 8000./config_flags%ztop
pi = 2.*asin(1.0)
write(6,*) ' pi is ',pi
nxc = (ide-ids)/4
nyc = (jde-jds)/2
CASE (seabreeze2d_x)
stretch_grid = .true.
delt = 6.
! z_scale = .40
z_scale = 8000./config_flags%ztop
pi = 2.*asin(1.0)
write(6,*) ' pi is ',pi
nxc = (ide-ids)/2
nyc = jde/2
icm = ide/2
! lm is the half width of the land in terms of grid points
lm = 25
write(6,*) 'lm,icm-lm,icm+lm = ', lm,icm-lm,icm+lm
CASE (les)
! FOR LES, set stretch to false
stretch_grid = .false.
delt = 3.
! z_scale = .40
z_scale = 8000./config_flags%ztop ! not used if stretch_grid = .false.
pi = 2.*asin(1.0)
write(6,*) ' pi is ',pi
nxc = (ide-ids)/2
nyc = (jde-jds)/2
CASE DEFAULT
WRITE( wrf_err_message , * ) 'Need to choose valid non-zero ideal_case: ideal_case = ', model_config_rec%ideal_case
CALL wrf_error_fatal ( wrf_err_message )
END SELECT ideal_constants
! here we check to see if the boundary conditions are set properly
CALL boundary_condition_check( config_flags, bdyzone, error, grid%id )
moisture_init = .true.
grid%itimestep=0
#ifdef DM_PARALLEL
CALL wrf_dm_bcast_bytes( icm , IWORDSIZE )
CALL wrf_dm_bcast_bytes( jcm , IWORDSIZE )
#endif
ideal_landmap: SELECT CASE ( model_config_rec%ideal_case )
CASE(hill2d_x, quarter_ss, squall2d_x, squall2d_y, grav2d_x)
CALL nl_set_mminlu(1,' ')
CALL nl_set_iswater(1,0)
CALL nl_set_cen_lat(1,40.)
CALL nl_set_cen_lon(1,-105.)
CALL nl_set_truelat1(1,0.)
CALL nl_set_truelat2(1,0.)
CALL nl_set_moad_cen_lat (1,0.)
CALL nl_set_stand_lon (1,0.)
CALL nl_set_pole_lon (1,0.)
CALL nl_set_pole_lat (1,90.)
CALL nl_set_map_proj(1,0)
! here we initialize data that currently is not initialized
! in the input data
DO j = jts, jte
DO i = its, ite
grid%msftx(i,j) = 1.
grid%msfty(i,j) = 1.
grid%msfux(i,j) = 1.
grid%msfuy(i,j) = 1.
grid%msfvx(i,j) = 1.
grid%msfvx_inv(i,j)= 1.
grid%msfvy(i,j) = 1.
grid%sina(i,j) = 0.
grid%cosa(i,j) = 1.
grid%e(i,j) = 0.
grid%f(i,j) = 0.
END DO
END DO
CASE(b_wave)
CALL nl_set_mminlu(1,' ')
CALL nl_set_iswater(1,0)
CALL nl_set_cen_lat(1,40.)
CALL nl_set_cen_lon(1,-105.)
CALL nl_set_truelat1(1,0.)
CALL nl_set_truelat2(1,0.)
CALL nl_set_moad_cen_lat (1,0.)
CALL nl_set_stand_lon (1,0.)
CALL nl_set_pole_lon (1,0.)
CALL nl_set_pole_lat (1,90.)
CALL nl_set_map_proj(1,0)
! here we initialize data that currently is not initialized
! in the input data
DO j = jts, jte
DO i = its, ite
grid%msftx(i,j) = 1.
grid%msfty(i,j) = 1.
grid%msfux(i,j) = 1.
grid%msfuy(i,j) = 1.
grid%msfvx(i,j) = 1.
grid%msfvx_inv(i,j)= 1.
grid%msfvy(i,j) = 1.
grid%sina(i,j) = 0.
grid%cosa(i,j) = 1.
grid%e(i,j) = 0.
grid%f(i,j) = 1.e-04
END DO
END DO
CASE(convrad)
mminlu2 = ' '
mminlu2(1:4) = 'USGS'
CALL nl_set_mminlu(1, mminlu2)
! CALL nl_set_mminlu(1, 'USGS')
CALL nl_set_iswater(1,16)
CALL nl_set_isice(1,3)
CALL nl_set_cen_lat(1,20.)
CALL nl_set_cen_lon(1,-105.)
CALL nl_set_truelat1(1,0.)
CALL nl_set_truelat2(1,0.)
CALL nl_set_moad_cen_lat (1,0.)
CALL nl_set_stand_lon (1,0.)
CALL nl_set_pole_lon (1,0.)
CALL nl_set_pole_lat (1,90.)
CALL nl_set_map_proj(1,0)
! CALL model_to_grid_config_rec(1,model_config_rec,config_flags)
CALL nl_get_iswater(1,grid%iswater)
! here we initialize data that currently is not initialized
! in the input data
DO j = jts, jte
DO i = its, ite
grid%msft(i,j) = 1.
grid%msfu(i,j) = 1.
grid%msfv(i,j) = 1.
grid%msftx(i,j) = 1.
grid%msfty(i,j) = 1.
grid%msfux(i,j) = 1.
grid%msfuy(i,j) = 1.
grid%msfvx(i,j) = 1.
grid%msfvy(i,j) = 1.
grid%msfvx_inv(i,j)= 1.
grid%sina(i,j) = 0.
grid%cosa(i,j) = 1.
grid%e(i,j) = 0.
grid%xlat(i,j) = 10.
grid%f(i,j) = 2.5e-5
grid%xlong(i,j) = 0.
! Hard-wire the ocean-land configuration
! all ocean
! if (i .ge. (icm-lm) .and. i .lt. (icm+lm)) then
! grid%xland(i,j) = 1.
! grid%lu_index(i,j) = 18
!else
grid%xland(i,j) = 2.
grid%lu_index(i,j) = 16
!end if
END DO
END DO
! for Noah LSM, additional variables need to be initialized
convrad_masked_fields : SELECT CASE ( model_config_rec%sf_surface_physics(grid%id) )
CASE (SLABSCHEME)
CASE (LSMSCHEME)
DO j = jts , MIN(jde-1,jte)
DO i = its , MIN(ide-1,ite)
IF (grid%xland(i,j) .lt. 1.5) THEN
grid%vegfra(i,j) = 50.
grid%canwat(i,j) = 0.
grid%ivgtyp(i,j) = 18
grid%isltyp(i,j) = 8
grid%xice(i,j) = 0.
grid%snow(i,j) = 0.
ELSE
grid%vegfra(i,j) = 0.
grid%canwat(i,j) = 0.
grid%ivgtyp(i,j) = 16
grid%isltyp(i,j) = 14
grid%xice(i,j) = 0.
grid%snow(i,j) = 0.
ENDIF
END DO
END DO
CASE (RUCLSMSCHEME)
END SELECT convrad_masked_fields
! Process the soil; note that there are some things hard-wired into share/module_soil_pre.F
CALL process_soil_ideal(grid%xland,grid%xice,grid%vegfra,grid%snow,grid%canwat, &
grid%ivgtyp,grid%isltyp,grid%tslb,grid%smois, &
grid%tsk,grid%tmn,grid%zs,grid%dzs,model_config_rec%num_soil_layers, &
model_config_rec%sf_surface_physics(grid%id), &
ids,ide, jds,jde, kds,kde,&
ims,ime, jms,jme, kms,kme,&
its,ite, jts,jte, kts,kte )
CASE(seabreeze2d_x)
mminlu2 = ' '
mminlu2(1:4) = 'USGS'
CALL nl_set_mminlu(1, mminlu2)
! CALL nl_set_mminlu(1, 'USGS')
CALL nl_set_iswater(1,16)
CALL nl_set_isice(1,3)
CALL nl_set_cen_lat(1,20.)
CALL nl_set_cen_lon(1,-105.)
CALL nl_set_truelat1(1,0.)
CALL nl_set_truelat2(1,0.)
CALL nl_set_moad_cen_lat (1,0.)
CALL nl_set_stand_lon (1,0.)
CALL nl_set_pole_lon (1,0.)
CALL nl_set_pole_lat (1,90.)
CALL nl_set_map_proj(1,0)
! CALL model_to_grid_config_rec(1,model_config_rec,config_flags)
CALL nl_get_iswater(1,grid%iswater)
! here we initialize data that currently is not initialized
! in the input data
DO j = jts, jte
DO i = its, ite
grid%msft(i,j) = 1.
grid%msfu(i,j) = 1.
grid%msfv(i,j) = 1.
grid%msftx(i,j) = 1.
grid%msfty(i,j) = 1.
grid%msfux(i,j) = 1.
grid%msfuy(i,j) = 1.
grid%msfvx(i,j) = 1.
grid%msfvy(i,j) = 1.
grid%msfvx_inv(i,j)= 1.
grid%sina(i,j) = 0.
grid%cosa(i,j) = 1.
grid%e(i,j) = 0.
grid%f(i,j) = 0.
grid%xlat(i,j) = 30.
grid%xlong(i,j) = 0.
! Hard-wire the ocean-land configuration
if (i .ge. (icm-lm) .and. i .lt. (icm+lm)) then
grid%xland(i,j) = 1.
grid%lu_index(i,j) = 18
grid%tsk(i,j) = 280.0
grid%tmn(i,j) = 280.0
else
grid%xland(i,j) = 2.
grid%lu_index(i,j) = 16
grid%tsk(i,j) = 287.0
grid%tmn(i,j) = 280.0
end if
END DO
END DO
! for Noah LSM, additional variables need to be initialized
seabreeze_masked_fields : SELECT CASE ( model_config_rec%sf_surface_physics(grid%id) )
CASE (SLABSCHEME)
CASE (LSMSCHEME)
DO j = jts , MIN(jde-1,jte)
DO i = its , MIN(ide-1,ite)
IF (grid%xland(i,j) .lt. 1.5) THEN
grid%vegfra(i,j) = 50.
grid%canwat(i,j) = 0.
grid%ivgtyp(i,j) = 18
grid%isltyp(i,j) = 8
grid%xice(i,j) = 0.
grid%snow(i,j) = 0.
ELSE
grid%vegfra(i,j) = 0.
grid%canwat(i,j) = 0.
grid%ivgtyp(i,j) = 16
grid%isltyp(i,j) = 14
grid%xice(i,j) = 0.
grid%snow(i,j) = 0.
ENDIF
END DO
END DO
CASE (RUCLSMSCHEME)
END SELECT seabreeze_masked_fields
! Process the soil; note that there are some things hard-wired into share/module_soil_pre.F
CALL process_soil_ideal(grid%xland,grid%xice,grid%vegfra,grid%snow,grid%canwat, &
grid%ivgtyp,grid%isltyp,grid%tslb,grid%smois, &
grid%tsk,grid%tmn,grid%zs,grid%dzs,model_config_rec%num_soil_layers, &
model_config_rec%sf_surface_physics(grid%id), &
ids,ide, jds,jde, kds,kde,&
ims,ime, jms,jme, kms,kme,&
its,ite, jts,jte, kts,kte )
CASE (les)
CALL nl_set_mminlu(1, ' ')
CALL nl_set_iswater(1,0)
CALL nl_set_cen_lat(1,40.)
CALL nl_set_cen_lon(1,-105.)
CALL nl_set_truelat1(1,0.)
CALL nl_set_truelat2(1,0.)
CALL nl_set_moad_cen_lat (1,0.)
CALL nl_set_stand_lon (1,0.)
CALL nl_set_pole_lon (1,0.)
CALL nl_set_pole_lat (1,90.)
CALL nl_set_map_proj(1,0)
! here we initialize data that currently is not initialized
! in the input data
DO j = jts, jte
DO i = its, ite
grid%msftx(i,j) = 1.
grid%msfty(i,j) = 1.
grid%msfux(i,j) = 1.
grid%msfuy(i,j) = 1.
grid%msfvx(i,j) = 1.
grid%msfvx_inv(i,j)= 1.
grid%msfvy(i,j) = 1.
grid%sina(i,j) = 0.
grid%cosa(i,j) = 1.
grid%e(i,j) = 0.
! for LES, include Coriolis force
grid%f(i,j) = 1.e-4
END DO
END DO
END SELECT ideal_landmap
DO j = jts, jte
DO k = kts, kte
DO i = its, ite
grid%ww(i,k,j) = 0.
END DO
END DO
END DO
grid%step_number = 0
! set up the grid
ideal_levels: SELECT CASE ( model_config_rec%ideal_case )
CASE(hill2d_x, quarter_ss, squall2d_x, squall2d_y, grav2d_x, b_wave)
IF (stretch_grid) THEN ! exponential stretch for eta (nearly constant dz)
DO k=1, kde
grid%znw(k) = (exp(-(k-1)/float(kde-1)/z_scale) - exp(-1./z_scale))/ &
(1.-exp(-1./z_scale))
ENDDO
ELSE
DO k=1, kde
grid%znw(k) = 1. - float(k-1)/float(kde-1)
ENDDO
ENDIF
CASE(convrad, seabreeze2d_x)
IF (stretch_grid) THEN ! read eta_levels
DO k=1, kde
grid%znw(k) = model_config_rec%eta_levels(k)
ENDDO
! Check the value of the first and last eta level for our domain,
! then check that the vector of eta levels is only decreasing
IF (model_config_rec%eta_levels(1) .NE. 1.0) THEN
CALL wrf_error_fatal("--- ERROR: the first specified eta_level is not 1.0")
ENDIF
IF (model_config_rec%eta_levels(kde) .NE. 0.0) THEN
CALL wrf_error_fatal("--- ERROR: the last specified eta_level is not 0.0")
ENDIF
DO k=2,kde
IF (model_config_rec%eta_levels(k) .GT. model_config_rec%eta_levels(k-1)) THEN
CALL wrf_error_fatal("--- ERROR: specified eta_levels are not uniformly decreasing from 1.0 to 0.0")
ENDIF
ENDDO
ELSE
DO k=1, kde
grid%znw(k) = 1. - float(k-1)/float(kde-1)
ENDDO
ENDIF
CASE(les)
IF (model_config_rec%eta_levels(1) .EQ. -1) THEN !we do not have eta_levels from namelist
IF (stretch_grid) THEN ! exponential stretch for eta (nearly constant dz)
DO k=1, kde
grid%znw(k) = (exp(-(k-1)/float(kde-1)/z_scale) - exp(-1./z_scale))/ &
(1.-exp(-1./z_scale))
ENDDO
ELSE
DO k=1, kde
grid%znw(k) = 1. - float(k-1)/float(kde-1)
ENDDO
ENDIF
ELSE
CALL wrf_debug(0,"module_initialize_les: vertical nesting is enabled, using eta_levels specified in namelist.input")
ks = 0
DO id=1,grid%id
ks = ks+model_config_rec%e_vert(id)
ENDDO
IF (ks .GT. max_eta) THEN
CALL wrf_error_fatal("too many vertical levels, increase max_eta in frame/module_driver_constants.F")
ENDIF
!Now set the eta_levels to what we specified in the namelist. We've
!packed all the domains' eta_levels into a 'vector' and now we need
!to pull only the section of the vector associated with our domain
!of interest, which is between indicies ks and ke.
IF (grid%id .EQ. 1) THEN
ks = 1
ke = model_config_rec%e_vert(1)
ELSE
id = 1
ks = 1
ke = 0
DO WHILE (grid%id .GT. id)
id = id+1
ks = ks+model_config_rec%e_vert(id-1)
ke = ks+model_config_rec%e_vert(id)
ENDDO
ENDIF
DO k=1,kde
grid%znw(k) = model_config_rec%eta_levels(ks+k-1)
ENDDO
!Check the value of the first and last eta level for our domain,
!then check that the vector of eta levels is only decreasing
IF (grid%znw(1) .NE. 1.0) THEN
CALL wrf_error_fatal("error with specified eta_levels, first level is not 1.0")
ENDIF
IF (grid%znw(kde) .NE. 0.0) THEN
CALL wrf_error_fatal("error with specified eta_levels, last level is not 0.0")
ENDIF
DO k=2,kde
IF (grid%znw(k) .GT. grid%znw(k-1)) THEN
CALL wrf_error_fatal("eta_levels are not uniformly decreasing from 1.0 to 0.0")
ENDIF
ENDDO
ENDIF
END SELECT ideal_levels
DO k=1, kde-1
grid%dnw(k) = grid%znw(k+1) - grid%znw(k)
grid%rdnw(k) = 1./grid%dnw(k)
grid%znu(k) = 0.5*(grid%znw(k+1)+grid%znw(k))
ENDDO
DO k=2, kde-1
grid%dn(k) = 0.5*(grid%dnw(k)+grid%dnw(k-1))
grid%rdn(k) = 1./grid%dn(k)
grid%fnp(k) = .5* grid%dnw(k )/grid%dn(k)
grid%fnm(k) = .5* grid%dnw(k-1)/grid%dn(k)
ENDDO
cof1 = (2.*grid%dn(2)+grid%dn(3))/(grid%dn(2)+grid%dn(3))*grid%dnw(1)/grid%dn(2)
cof2 = grid%dn(2) /(grid%dn(2)+grid%dn(3))*grid%dnw(1)/grid%dn(3)
grid%cf1 = grid%fnp(2) + cof1
grid%cf2 = grid%fnm(2) - cof1 - cof2
grid%cf3 = cof2
grid%cfn = (.5*grid%dnw(kde-1)+grid%dn(kde-1))/grid%dn(kde-1)
grid%cfn1 = -.5*grid%dnw(kde-1)/grid%dn(kde-1)
grid%rdx = 1./config_flags%dx
grid%rdy = 1./config_flags%dy
! get the sounding from the ascii sounding file, first get dry sounding and
! calculate base state
ideal_sounding: SELECT CASE ( model_config_rec%ideal_case )
CASE (b_wave)
write(6,*) ' reading input jet sounding '
call read_input_jet( u_jet, rho_jet, th_jet, z_jet, nz_jet, ny_jet )
write(6,*) ' getting dry sounding for base state '
write(6,*) ' using middle column in jet sounding, j = ',ny_jet/2
dry_sounding = .true.
! debug = .true. ! this will produce print of the sounding (last argument)
CALL get_sounding_b_wave( zk, p_in, pd_in, theta, rho, u, v, qv, dry_sounding, &
nl_max, nl_in, u_jet, rho_jet, th_jet, z_jet, &
nz_jet, ny_jet, ny_jet/2, .true. )
write(6,*) ' returned from reading sounding, nl_in is ',nl_in
! find ptop for the desired ztop (ztop is input from the namelist),
! and find surface pressure
! For the jet, using the middle column for the base state means that
! we will be extrapolating above the highest height data to the south
! of the centerline.
CASE DEFAULT
IF ( wrf_dm_on_monitor() ) THEN
write(6,*) ' getting dry sounding for base state '
dry_sounding = .true.
CALL get_sounding( zk, p_in, pd_in, theta, rho, u, v, qv, dry_sounding, &
nl_max, nl_in, theta_surf)
ENDIF
CALL wrf_dm_bcast_real( zk , nl_max )
CALL wrf_dm_bcast_real( p_in , nl_max )
CALL wrf_dm_bcast_real( pd_in , nl_max )
CALL wrf_dm_bcast_real( theta , nl_max )
CALL wrf_dm_bcast_real( rho , nl_max )
CALL wrf_dm_bcast_real( u , nl_max )
CALL wrf_dm_bcast_real( v , nl_max )
CALL wrf_dm_bcast_real( qv , nl_max )
CALL wrf_dm_bcast_integer ( nl_in , 1 )
write(6,*) ' returned from reading sounding, nl_in is ',nl_in
! find ptop for the desired ztop (ztop is input from the namelist),
! and find surface pressure
END SELECT ideal_sounding
grid%p_top = interp_0( p_in, zk, config_flags%ztop, nl_in )
! Fill in the hybrid coordinate coefficients
DO k=1, kde
IF ( config_flags%hybrid_opt .EQ. 0 ) THEN
grid%c3f(k) = grid%znw(k)
ELSE IF ( config_flags%hybrid_opt .EQ. 1 ) THEN
grid%c3f(k) = grid%znw(k)
ELSE IF ( config_flags%hybrid_opt .EQ. 2 ) THEN
B1 = 2. * grid%etac**2 * ( 1. - grid%etac )
B2 = -grid%etac * ( 4. - 3. * grid%etac - grid%etac**3 )
B3 = 2. * ( 1. - grid%etac**3 )
B4 = - ( 1. - grid%etac**2 )
B5 = (1.-grid%etac)**4
grid%c3f(k) = ( B1 + B2*grid%znw(k) + B3*grid%znw(k)**2 + B4*grid%znw(k)**3 ) / B5
IF ( grid%znw(k) .LT. grid%etac ) THEN
grid%c3f(k) = 0.
END IF
IF ( k .EQ. kds ) THEN
grid%c3f(k) = 1.
ELSE IF ( k .EQ. kde ) THEN
grid%c3f(k) = 0.
END IF
ELSE IF ( config_flags%hybrid_opt .EQ. 3 ) THEN
IF ( grid%znw(k) .GE. grid%etac ) THEN
sin_arg = (1./(1.-grid%etac))*(grid%znw(k)-1.)+1
grid%c3f(k) = (sin(sin_arg*3.14159265358/2.))**2
ELSE
grid%c3f(k) = 0.
END IF
IF ( k .EQ. kds ) THEN
grid%c3f(k) = 1.
ELSE IF ( k .EQ. kds ) THEN
grid%c3f(kde) = 0.
END IF
ELSE
CALL wrf_error_fatal ( 'ERROR: --- hybrid_opt=0 ===> Standard WRF Coordinate; hybrid_opt>=1 ===> Hybrid Vertical Coordinate' )
END IF
END DO
DO k=1, kde
grid%c4f(k) = ( grid%znw(k) - grid%c3f(k) ) * ( p1000mb - grid%p_top )
ENDDO
! Now on half levels, just add up and divide by 2 (for c3h). Use (eta-c3)*(p00-pt) for c4 on half levels.
DO k=1, kde-1
grid%c3h(k) = ( grid%c3f(k+1) + grid%c3f(k) ) * 0.5
grid%c4h(k) = ( grid%znu(k) - grid%c3h(k) ) * ( p1000mb - grid%p_top )
ENDDO
! c1 = d(B)/d(eta). We define c1f as c1 on FULL levels. For a vertical difference,
! we need to use B and eta on half levels. The k-loop ends up referring to the
! full levels, neglecting the top and bottom.
DO k=kds+1, kde-1
grid%c1f(k) = ( grid%c3h(k) - grid%c3h(k-1) ) / ( grid%znu(k) - grid%znu(k-1) )
ENDDO
! The boundary conditions to get the coefficients:
! 1) At k=kts: define d(B)/d(eta) = 1. This gives us the same value of B and d(B)/d(eta)
! when doing the sigma-only B=eta.
! 2) At k=kte: with the new vertical coordinate, define d(B)/d(eta) = 0. The curve B SMOOTHLY
! goes to zero, and at the very top, B continues to SMOOTHLY go to zero. Note that for
! almost all cases of non B=eta, B is ALREADY=ZERO at the top, so this is a reasonable BC to
! assume.
! 3) At k=kte: when trying to mimic the original vertical coordinate, since B = eta, then
! d(B)/d(eta) = 1.
grid%c1f(kds) = 1.
IF ( ( config_flags%hybrid_opt .EQ. 0 ) .OR. ( config_flags%hybrid_opt .EQ. 1 ) ) THEN
grid%c1f(kde) = 1.
ELSE
grid%c1f(kde) = 0.
END IF
! c2 = ( 1. - c1(k) ) * (p00 - pt). There is no vertical differencing, so we can do the
! full kds to kde looping.
DO k=kds, kde
grid%c2f(k) = ( 1. - grid%c1f(k) ) * ( p1000mb - grid%p_top )
END DO
! Now on half levels for c1 and c2. The c1h will result from the full level c3 and full
! level eta differences. The c2 value use the half level c1(k).
DO k=1, kde-1
grid%c1h(k) = ( grid%c3f(k+1) - grid%c3f(k) ) / ( grid%znw(k+1) - grid%znw(k) )
grid%c2h(k) = ( 1. - grid%c1h(k) ) * ( p1000mb - grid%p_top )
END DO
#if 0
DO k=1, kde
grid%c3f(k) = grid%znw(k)
grid%c4f(k) = 0.
grid%c3h(k) = grid%znu(k)
grid%c4h(k) = 0.
grid%c1f(k) = 1.
grid%c2f(k) = 0.
grid%c1h(k) = 1.
grid%c2h(k) = 0.
END DO
#endif
ideal_terrain: SELECT CASE ( model_config_rec%ideal_case )
CASE (hill2d_x)
DO j=jts,jte
DO i=its,ite
grid%ht(i,j) = hm/(1.+(float(i-icm)/xa)**2)
!! grid%ht(i,j) = hm1*exp(-(( float(i-icm)/xa1)**2)) &
!! *( (cos(pii*float(i-icm)/xal1))**2 )
grid%phb(i,1,j) = g*grid%ht(i,j)
grid%php(i,1,j) = 0.
grid%ph0(i,1,j) = grid%phb(i,1,j)
ENDDO
ENDDO
CASE (quarter_ss, convrad, squall2d_x, squall2d_y, grav2d_x, b_wave, seabreeze2d_x)
DO j=jts,jte
DO i=its,ite
grid%ht(i,j) = 0.
grid%phb(i,1,j) = g*grid%ht(i,j)
grid%php(i,1,j) = 0.
grid%ph0(i,1,j) = grid%phb(i,1,j)
ENDDO
ENDDO
CASE (les)
DO j=jts,jte
DO i=its,ite
grid%ht(i,j) = 0.
ENDDO
ENDDO
xs=ide/2 -3
xs=ids -3
xe=xs + 6
ys=jde/2 -3
ye=ys + 6
mtn_ht = 500
#ifdef MTN
DO j=max(ys,jds),min(ye,jde-1)
DO i=max(xs,ids),min(xe,ide-1)
grid%ht(i,j) = mtn_ht * 0.25 * &
( 1. + COS ( 2*pi/(xe-xs) * ( i-xs ) + pi ) ) * &
( 1. + COS ( 2*pi/(ye-ys) * ( j-ys ) + pi ) )
ENDDO
ENDDO
#endif
#ifdef EW_RIDGE
DO j=max(ys,jds),min(ye,jde-1)
DO i=ids,ide
grid%ht(i,j) = mtn_ht * 0.50 * &
( 1. + COS ( 2*pi/(ye-ys) * ( j-ys ) + pi ) )
ENDDO
ENDDO
#endif
#ifdef NS_RIDGE
DO j=jds,jde
DO i=max(xs,ids),min(xe,ide-1)
grid%ht(i,j) = mtn_ht * 0.50 * &
( 1. + COS ( 2*pi/(xe-xs) * ( i-xs ) + pi ) )
ENDDO
ENDDO
#endif
DO j=jts,jte
DO i=its,ite
grid%phb(i,1,j) = g * grid%ht(i,j)
grid%ph0(i,1,j) = g * grid%ht(i,j)
ENDDO
ENDDO
END SELECT ideal_terrain
DO J = jts, jte
DO I = its, ite
p_surf = interp_0( p_in, zk, grid%phb(i,1,j)/g, nl_in )
grid%MUB(i,j) = p_surf-grid%p_top
! this is dry hydrostatic sounding (base state), so given grid%p (coordinate),
! interp theta (from interp) and compute 1/rho from eqn. of state
DO K = 1, kte-1
p_level = grid%c3h(k)*(p_surf - grid%p_top) + grid%c4h(k) + grid%p_top
grid%pb(i,k,j) = p_level
grid%t_init(i,k,j) = interp_0( theta, p_in, p_level, nl_in ) - t0
grid%alb(i,k,j) = (r_d/p1000mb)*(grid%t_init(i,k,j)+t0)*(grid%pb(i,k,j)/p1000mb)**cvpm
ENDDO
! calc hydrostatic balance (alternatively we could interp the geopotential from the
! sounding, but this assures that the base state is in exact hydrostatic balance with
! respect to the model eqns.
DO kk = 2,kte
k=kk - 1
grid%phb(i,kk,j) = grid%phb(i,kk-1,j) - grid%dnw(kk-1)*(grid%c1h(k)*grid%mub(i,j)+grid%c2h(k))*grid%alb(i,kk-1,j)
ENDDO
ENDDO
ENDDO
IF ( wrf_dm_on_monitor() ) THEN
write(6,*) ' ptop is ',grid%p_top
write(6,*) ' base state grid%MUB(1,1), p_surf is ',grid%MUB(1,1),grid%c3f(kts)*grid%MUB(1,1)+grid%c4f(kts)+grid%p_top
ENDIF
! calculate full state for each column - this includes moisture.
write(6,*) ' getting moist sounding for full state '
IF ( model_config_rec%ideal_case .EQ. b_wave )THEN
dry_sounding = .true.
IF (config_flags%mp_physics /= 0) dry_sounding = .false.
ELSE
dry_sounding = .false.
CALL get_sounding( zk, p_in, pd_in, theta, rho, u, v, qv, dry_sounding, &
nl_max, nl_in, theta_surf )
ENDIF
DO J = jts, min(jde-1,jte)