Merge remote-tracking branch 'origin/release-v4.6.1'
[WRF.git] / var / da / da_transfer_model / da_transfer_xatowrftl.inc
blob9ca92cfb6dd098c7ddedc5cc56472e730a0be581
1 subroutine da_transfer_xatowrftl(grid, config_flags, filnam, timestr)
3    !---------------------------------------------------------------------------
4    !  Purpose: Convert analysis increments into WRFTL increments 
5    !           (following xatowrf, but only keep the increments)
6    !---------------------------------------------------------------------------
8    implicit none
9    
10    type(domain), intent(inout)               :: grid
11    type(grid_config_rec_type), intent(inout) :: config_flags
12    character*4, intent(in) :: filnam
13    character(len=256), intent(in) :: timestr
15 #ifdef VAR4D
17    integer :: i, j, k
18    integer :: is, ie, js, je, ks, ke
19    real    :: sdmd, s1md
20    real    :: rho_cgrid
22 #ifdef A2C
23    real, allocatable, dimension(:,:,:) :: g_press
24 #else
25    real, allocatable, dimension(:,:,:) :: utmp, vtmp, g_press
26 #endif
28    integer ndynopt
30    if (trace_use) call da_trace_entry("da_transfer_xatowrftl")
32    is=grid%xp%its
33    ie=grid%xp%ite
34    js=grid%xp%jts
35    je=grid%xp%jte
36    ks=grid%xp%kts
37    ke=grid%xp%kte
39    allocate (g_press(grid%xp%ims:grid%xp%ime,grid%xp%jms:grid%xp%jme,grid%xp%kms:grid%xp%kme))
41    !---------------------------------------------------------------------------
42    ! [1.0] Get the mixing ratio of moisture first, as it is easy.
43    !---------------------------------------------------------------------------
45    do k=ks,ke
46       do j=js,je
47          do i=is,ie
48             grid%g_moist(i,j,k,P_G_QV)=grid%xa%q(i,j,k)/(1.0-grid%xb%q(i,j,k))**2
49          end do
50       end do
51    end do
53    !---------------------------------------------------------------------------
54    ! [2.0] COMPUTE increments of dry-column air mass per unit area
55    !---------------------------------------------------------------------------
57    do j=js,je
58       do i=is,ie
59          sdmd=0.0
60          s1md=0.0
61          do k=ks,ke
62             sdmd=sdmd+grid%g_moist(i,j,k,P_G_QV)*grid%dnw(k)
63             s1md=s1md+(1.0+grid%moist(i,j,k,P_QV))*grid%dnw(k)
64          end do
65          grid%g_mu_2(i,j)=-(grid%xa%psfc(i,j)+grid%xb%psac(i,j)*sdmd)/s1md
66       end do
67    end do
69    !---------------------------------------------------------------------------
70    ! [3.0] compute pressure increments (for computing theta increments)
71    !---------------------------------------------------------------------------
73    do j=js,je
74       do i=is,ie
75          g_press(i,j,ke+1)=0.0
76          do k=ke,ks,-1
77             g_press(i,j,k)=g_press(i,j,k+1) &
78                -(grid%g_mu_2(i,j)*(1.0+grid%moist(i,j,k,P_QV)) &
79                +(grid%mu_2(i,j)+grid%mub(i,j))*grid%g_moist(i,j,k,P_G_QV))* &
80                grid%dn(k)
81             grid%xa%p(i,j,k)=0.5*(g_press(i,j,k)+g_press(i,j,k+1))
82          end do
83       end do
84    end do
86    !---------------------------------------------------------------------------
87    ! [4.0] convert temperature increments into theta increments
88    !       evaluate also the increments of (1/rho) and geopotential
89    !---------------------------------------------------------------------------
91    do k=ks,ke
92       do j=js,je
93          do i=is,ie
94             grid%g_t_2(i,j,k)=(t0+grid%t_2(i,j,k))* &
95                (grid%xa%t(i,j,k)/grid%xb%t(i,j,k) &
96                         -kappa*grid%xa%p(i,j,k)/grid%xb%p(i,j,k))
97          end do
98       end do
99    end do
100 !  do j=js,je
101 !     do i=is,ie
102 !        grid%g_ph_2(i,j,ks)=0.0
103 !        do k=ks,ke
104 !           rho_cgrid=grid%xb%rho(i,j,k) &
105 !                     *(grid%xa%p(i,j,k)/grid%xb%p(i,j,k) &
106 !                     -grid%xa%t(i,j,k)/grid%xb%t(i,j,k) &
107 !                     -0.61*grid%xa%q(i,j,k)/(1.0+0.61*grid%xb%q(i,j,k)))
108 !           grid%g_ph_2(i,j,k+1)=grid%g_ph_2(i,j,k) &
109 !              -(g_press(i,j,k+1)-g_press(i,j,k) &
110 !              +(grid%ph_2(i,j,k+1)-grid%ph_2(i,j,k))*rho_cgrid) &
111 !              /grid%xb%rho(i,j,k)
112 !        end do
113 !     end do
114 !  end do
116    grid%g_ph_2 = 0.0
118 !  grid%xa%p = 0.0
119    grid%g_p = grid%xa%p
121    deallocate (g_press)
123    !---------------------------------------------------------------------------
124    ! [5.0] convert from a-grid to c-grid
125    !---------------------------------------------------------------------------
127 #ifdef A2C
128   if ((fg_format==fg_format_wrf_arw_regional  .or. &
129        fg_format==fg_format_wrf_arw_global  ) .and. ide == ipe ) then
130      ipe = ipe + 1
131      ide = ide + 1
132   end if
134   if ((fg_format==fg_format_wrf_arw_regional  .or. &
135        fg_format==fg_format_wrf_arw_global  ) .and. jde == jpe ) then
136      jpe = jpe + 1
137      jde = jde + 1
138   end if
140 #ifdef DM_PARALLEL
141 #include "HALO_XA_A.inc"
142 #endif
144 !rizvi's update
145   if ((fg_format==fg_format_wrf_arw_regional  .or. &
146        fg_format==fg_format_wrf_arw_global  ) .and. ide == ipe ) then
147      ipe = ipe - 1
148      ide = ide - 1
149   end if
151   if ((fg_format==fg_format_wrf_arw_regional  .or. &
152        fg_format==fg_format_wrf_arw_global  ) .and. jde == jpe ) then
153      jpe = jpe - 1
154      jde = jde - 1
155   end if
156 !rizvi's update
158    grid%g_u_2 = grid%xa%u
159    grid%g_v_2 = grid%xa%v
161 #else
162 #ifdef DM_PARALLEL
163 #include "HALO_XA_A.inc"
165    allocate ( utmp(grid%xp%ims:grid%xp%ime,grid%xp%jms:grid%xp%jme, grid%xp%kms:grid%xp%kme) )
166    allocate ( vtmp(grid%xp%ims:grid%xp%ime,grid%xp%jms:grid%xp%jme, grid%xp%kms:grid%xp%kme) )
168    utmp = grid%xa%u
169    vtmp = grid%xa%v
171    ! The southern boundary (fill A-GRID boundaries)
172    ! To keep the gradient, A(0) = 2A(1)-A(2)
173    if (js == grid%xp%jds) then
174       vtmp(is:ie,js-1,ks:ke)=2.0*grid%xa%v(is:ie,js  ,ks:ke) &
175                             -    grid%xa%v(is:ie,js+1,ks:ke)
176    end if
178    ! The northern boundary
179    if (je == grid%xp%jde) then
180       vtmp(is:ie,je+1,ks:ke)=2.0*grid%xa%v(is:ie,je  ,ks:ke) &
181                             -    grid%xa%v(is:ie,je-1,ks:ke)
182    end if
184    ! The western boundary (fill A-GRID boundaries)
185    ! To keep the gradient, A(0) = 2A(1)-A(2)
186    if (is == grid%xp%ids) then
187       utmp(is-1,js:je,ks:ke)=2.0*grid%xa%u(is  ,js:je,ks:ke) &
188                             -    grid%xa%u(is+1,js:je,ks:ke)
189    end if
191    ! The eastern boundary
192    if (ie == grid%xp%ide) then
193       utmp(ie+1,js:je,ks:ke)=2.0*grid%xa%u(ie  ,js:je,ks:ke) &
194                             -    grid%xa%u(ie-1,js:je,ks:ke)
195    end if
197    do k=ks,ke
198       do j=js,je
199          do i=is,ie+1
200             grid%g_u_2(i,j,k)=0.5*(utmp(i-1,j  ,k)+utmp(i,j,k))
201          end do
202       end do
203       do j=js,je+1
204          do i=is,ie
205             grid%g_v_2(i,j,k)=0.5*(vtmp(i  ,j-1,k)+vtmp(i,j,k))
206          end do
207       end do
208    end do
211    deallocate (utmp)
212    deallocate (vtmp)
213 #else
215    do k=ks,ke
216       do j=js,je
217          do i=is+1,ie
218             grid%g_u_2(i,j,k)=0.5*(grid%xa%u(i-1,j,k)+grid%xa%u(i,j,k))
219          end do
220       end do
221       do j=js+1,je
222          do i=is,ie
223             grid%g_v_2(i,j,k)=0.5*(grid%xa%v(i,j-1,k)+grid%xa%v(i,j,k))
224          end do
225       end do
226    end do
228    ! To keep the gradient, A(N+1) = 2A(N)-A(N-1)
229    ! and on C-Grid, this will lead to C(N+1)=(A(N)+A(N+1))/2=(3A(N)-A(N-1))/2
231    ! The eastern boundary
232    grid%g_u_2(ie+1,js:je,ks:ke)=(3.0*grid%xa%u(ie,js:je,ks:ke)-grid%xa%u(ie-1,js:je,ks:ke))/2.0
234    ! The northern boundary
235    grid%g_v_2(is:ie,je+1,ks:ke)=(3.0*grid%xa%v(is:ie,je,ks:ke)-grid%xa%v(is:ie,je-1,ks:ke))/2.0
237    ! To keep the gradient, A(0) = 2A(1)-A(2)
238    ! and on C-Grid, this will lead to C(1)=(A(0)+A(1))/2=(3A(1)-A(2))/2
240    ! The western boundary
241    grid%g_u_2(is,js:je,ks:ke)=(3.0*grid%xa%u(is,js:je,ks:ke)-grid%xa%u(is+1,js:je,ks:ke))/2.0
243    ! The southern boundary
244    grid%g_v_2(is:ie,js,ks:ke)=(3.0*grid%xa%v(is:ie,js,ks:ke)-grid%xa%v(is:ie,js+1,ks:ke))/2.0
246 #endif
248 #endif
249    !---------------------------------------------------------------------------
250    ! [6.0] save OTHERinCREMENT 
251    !---------------------------------------------------------------------------
253    do j=js,je
254       do k=ks,ke+1
255          do i=is,ie
256             grid%g_w_2(i,j,k)=grid%xa%w(i,j,k)
257          end do
258       end do
259    end do
261    !if ( config_flags%mp_physics_ad == warmrain_ad ) then
262       if ( f_g_qc .and. cloud_cv_options >= 1 ) then
263          grid%g_moist(is:ie,js:je,ks:ke,p_g_qc) = grid%xa%qcw(is:ie,js:je,ks:ke)
264       end if
265       if ( f_g_qr .and. cloud_cv_options >= 1 ) then
266          grid%g_moist(is:ie,js:je,ks:ke,p_g_qr) = grid%xa%qrn(is:ie,js:je,ks:ke)
267       end if
268       !placeholder
269       !if ( config_flags%mp_physics_ad == icecld_ad ) then
270          if ( f_g_qi .and. cloud_cv_options >= 2 ) then
271             grid%g_moist(is:ie,js:je,ks:ke,p_g_qi) = grid%xa%qci(is:ie,js:je,ks:ke)
272          end if
273          if ( f_g_qs .and. cloud_cv_options >= 2 ) then
274             grid%g_moist(is:ie,js:je,ks:ke,p_g_qs) = grid%xa%qsn(is:ie,js:je,ks:ke)
275          end if
276          if ( f_g_qg .and. cloud_cv_options >= 2 ) then
277             grid%g_moist(is:ie,js:je,ks:ke,p_g_qg) = grid%xa%qgr(is:ie,js:je,ks:ke)
278          end if
279       !end if
280    !end if
282    call da_transfer_wrftl_lbc_t0 ( grid )
284    !---------------------------------------------------------------------------
285    ! [7.0] output
286    !---------------------------------------------------------------------------
288    call kj_swap (grid%g_u_2, model_grid%g_u_2, &
289                  grid%xp%ims, grid%xp%ime, grid%xp%jms, grid%xp%jme, grid%xp%kms, grid%xp%kme)
290    call kj_swap (grid%g_v_2, model_grid%g_v_2, &
291                  grid%xp%ims, grid%xp%ime, grid%xp%jms, grid%xp%jme, grid%xp%kms, grid%xp%kme)
292    call kj_swap (grid%g_w_2, model_grid%g_w_2, &
293                  grid%xp%ims, grid%xp%ime, grid%xp%jms, grid%xp%jme, grid%xp%kms, grid%xp%kme)
294    call kj_swap (grid%g_t_2, model_grid%g_t_2, &
295                  grid%xp%ims, grid%xp%ime, grid%xp%jms, grid%xp%jme, grid%xp%kms, grid%xp%kme)
296    call kj_swap (grid%g_ph_2, model_grid%g_ph_2, &
297                  grid%xp%ims, grid%xp%ime, grid%xp%jms, grid%xp%jme, grid%xp%kms, grid%xp%kme)
298    call kj_swap (grid%g_p, model_grid%g_p, &
299                  grid%xp%ims, grid%xp%ime, grid%xp%jms, grid%xp%jme, grid%xp%kms, grid%xp%kme)
300    model_grid%g_mu_2 = grid%g_mu_2
301    model_grid%g_rainnc  = 0.0
302    model_grid%g_rainncv = 0.0
303    model_grid%g_rainc  = 0.0
304    model_grid%g_raincv = 0.0
306    do i = PARAM_FIRST_SCALAR, num_g_moist
307       call kj_swap (grid%g_moist(:,:,:,i), model_grid%g_moist(:,:,:,i), &
308                     grid%xp%ims, grid%xp%ime, grid%xp%jms, grid%xp%jme, grid%xp%kms, grid%xp%kme)
309    enddo
311    if ( .not. trajectory_io .or. var4d_detail_out ) &
312       call  med_hist_out ( grid , AUXHIST8_ALARM , config_flags )
314    if (trace_use) call da_trace_exit("da_transfer_xatowrftl")
316 #endif
317 end subroutine da_transfer_xatowrftl