da_get_innov_vector_ships.inc

References to this file elsewhere.
1 subroutine da_get_innov_vector_ships( it, grid, ob, iv)
2 
3    !-----------------------------------------------------------------------
4    ! Purpose: TBD     
5    !-----------------------------------------------------------------------
6 
7    implicit none
8 
9    integer,          intent(in)    :: it      ! External iteration.
10    type(domain),     intent(in)    :: grid    ! first guess state.
11    type(y_type),     intent(inout) :: ob      ! Observation structure.
12    type(iv_type),    intent(inout) :: iv      ! O-B structure.
13 
14    integer :: n        ! Loop counter.
15    integer :: i, j, k  ! Index dimension.
16    real    :: dx, dxm  ! Interpolation weights.
17    real    :: dy, dym  ! Interpolation weights.
18    real, allocatable :: model_u(:,:)  ! Model value u at oblocation.
19    real, allocatable :: model_v(:,:)  ! Model value v at oblocation.
20    real, allocatable :: model_t(:,:)  ! Model value t at oblocation.
21    real, allocatable :: model_p(:,:)  ! Model value p at oblocation.
22    real, allocatable :: model_q(:,:)  ! Model value q at oblocation.
23    real, allocatable :: model_hsm(:,:)
24 
25    real    :: v_h(kms:kme)   ! Model value h at ob hor. location.
26    real    :: v_p(kms:kme)   ! Model value p at ob hor. location.
27 
28    real    :: hd, psfcm
29    real    :: ho, to, qo
30    integer :: itu,ituf,itvv,itvvf,itp,itpf,itt,ittf,itqv,itqvf
31    
32    if (trace_use_dull) call da_trace_entry("da_get_innov_vector_ships")
33 
34    allocate (model_u(1,iv%info(ships)%n1:iv%info(ships)%n2))
35    allocate (model_v(1,iv%info(ships)%n1:iv%info(ships)%n2))
36    allocate (model_t(1,iv%info(ships)%n1:iv%info(ships)%n2))
37    allocate (model_p(1,iv%info(ships)%n1:iv%info(ships)%n2))
38    allocate (model_q(1,iv%info(ships)%n1:iv%info(ships)%n2))
39    allocate (model_hsm(1,iv%info(ships)%n1:iv%info(ships)%n2))
40 
41    itu   = 0; itvv    = 0; itp  = 0; itt  = 0; itqv  = 0;
42    ituf  = 0; itvvf   = 0; itpf = 0; ittf = 0; itqvf = 0;
43 
44    if (sfc_assi_options == sfc_assi_options_1) then
45       do n=iv%info(ships)%n1,iv%info(ships)%n2
46 
47          ! [1.1] Get horizontal interpolation weights:
48 
49          i   = iv%info(ships)%i(1,n)
50          j   = iv%info(ships)%j(1,n)
51          dx  = iv%info(ships)%dx(1,n)
52          dy  = iv%info(ships)%dy(1,n)
53          dxm = iv%info(ships)%dxm(1,n)
54          dym = iv%info(ships)%dym(1,n)
55 
56          ! Surface correction
57 
58          iv%ships(n)%p%inv = ob%ships(n)%p
59          iv%ships(n)%t%inv = ob%ships(n)%t
60          iv%ships(n)%q%inv = ob%ships(n)%q
61          iv%ships(n)%u%inv = ob%ships(n)%u
62          iv%ships(n)%v%inv = ob%ships(n)%v
63 
64          if (iv % ships(n) % h > missing_r) then
65             do k=kts,kte
66               v_h(k) = dym*(dxm*grid%xb%h(i,j  ,k) + dx*grid%xb%h(i+1,j  ,k)) &
67                  + dy *(dxm*grid%xb%h(i,j+1,k) + dx*grid%xb%h(i+1,j+1,k))
68             end do
69 
70             hd = v_h(kts) - iv % ships(n) % h
71 
72             if (abs(hd) <= Max_StHeight_Diff .or. anal_type_verify) then
73                if (iv % ships(n) % h < v_h(kts)) then
74                   iv%info(ships)%zk(:,n) = 1.0+1.0e-6
75                   call da_obs_sfc_correction(iv%info(ships), iv%ships(n), n, grid%xb)
76 
77                   ! To keep the original "ob" with no change for multiple 
78                   ! outer-loops use:
79 
80                   ! ob%ships(n)%p = iv%ships(n)%p%inv
81                   ! ob%ships(n)%t = iv%ships(n)%t%inv
82                   ! ob%ships(n)%q = iv%ships(n)%q%inv
83                   ! ob%ships(n)%u = iv%ships(n)%u%inv
84                   ! ob%ships(n)%v = iv%ships(n)%v%inv
85                else
86                   call da_to_zk(iv % ships(n) % h, v_h, v_interp_h, iv%info(ships)%zk(1,n))
87                end if
88             end if
89          else if (ob % ships(n) % p > 1.0) then
90             do k=kts,kte
91               v_p(k) = dym*(dxm*grid%xb%p(i,j  ,k) + dx*grid%xb%p(i+1,j  ,k)) &
92                        + dy *(dxm*grid%xb%p(i,j+1,k) + dx*grid%xb%p(i+1,j+1,k))
93             end do
94 
95             call da_to_zk(ob % ships(n) % p, v_p, v_interp_p, iv%info(ships)%zk(1,n))
96 
97             if (iv%info(ships)%zk(1,n) < 0.0 .and.  .not.anal_type_verify) then
98                iv % ships(n) % p % inv = missing_r
99                iv % ships(n) % p % qc  = missing
100                iv%info(ships)%zk(:,n) = 1.0+1.0e-6
101             end if
102          end if
103       end do
104 
105       call da_convert_zk (iv%info(ships))
106 
107       if (.not.anal_type_verify) then
108          do n=iv%info(ships)%n1,iv%info(ships)%n2
109             if (iv%info(ships)%zk(1,n) < 0.0) then
110                iv % ships(n) % u % qc = missing
111                iv % ships(n) % v % qc = missing
112                iv % ships(n) % t % qc = missing
113                iv % ships(n) % q % qc = missing
114                iv % ships(n) % p % qc = missing
115             end if
116          end do
117       end if
118 
119       ! Interpolate horizontally:
120       call da_interp_lin_3d (grid%xb%u, iv%info(ships), model_u)
121       call da_interp_lin_3d (grid%xb%v, iv%info(ships), model_v)
122       call da_interp_lin_3d (grid%xb%t, iv%info(ships), model_t)
123       call da_interp_lin_3d (grid%xb%q, iv%info(ships), model_q)
124       call da_interp_lin_3d (grid%xb%p, iv%info(ships), model_p)
125 
126    else if (sfc_assi_options == 2) then
127       ! Surface data assmiilation approca 2
128 
129       ! 1.2.1 Surface assmiilation approach 2(10-m u, v, 2-m t, q, and 
130       ! sfc_p)
131 
132       call da_interp_lin_2d (grid%xb%u10,  iv%info(ships), 1, model_u)
133       call da_interp_lin_2d (grid%xb%v10,  iv%info(ships), 1, model_v)
134       call da_interp_lin_2d (grid%xb%t2,   iv%info(ships), 1, model_t)
135       call da_interp_lin_2d (grid%xb%q2,   iv%info(ships), 1, model_q)
136       call da_interp_lin_2d (grid%xb%psfc, iv%info(ships), 1, model_p)
137 
138       do n=iv%info(ships)%n1,iv%info(ships)%n2
139          if (iv%ships(n)%p%qc >= 0) then
140 
141             ! model surface p, t, q, h at observed site:
142 
143             call da_interp_lin_2d_partial (grid%xb%terr, iv%info(ships), 1, n, n, model_hsm(:,n))
144 
145             ho = iv%ships(n)%h
146             to = -888888.0
147             qo = -888888.0
148 
149             if (iv%ships(n)%t%qc >= 0 .and. iv%ships(n)%q%qc >= 0) then
150                to = ob%ships(n)%t
151                qo = ob%ships(n)%q
152                call da_sfc_pre(psfcm, model_p(1,n), model_t(1,n), model_q(1,n), model_hsm(1,n), ho, to, qo)
153             else if (iv%ships(n)%t%qc >= 0 .and. iv%ships(n)%q%qc < 0) then
154                 to = ob%ships(n)%t
155                 call da_sfc_pre(psfcm, model_p(1,n), model_t(1,n), model_q(1,n), model_hsm(1,n), ho, to)
156             else
157                 call da_sfc_pre(psfcm, model_p(1,n), model_t(1,n), model_q(1,n), model_hsm(1,n), ho)
158             end if
159 
160             ! Pressure at the observed height:
161             model_p(1,n) = psfcm
162          end if
163       end do
164    end if
165 
166    do n=iv%info(ships)%n1,iv%info(ships)%n2
167 
168       !-----------------------------------------------------------------------
169       ! [3.0] Fast interpolation:
170       !-----------------------------------------------------------------------
171 
172       if (ob % ships(n) % u > missing_r .AND. iv % ships(n) % u % qc >= obs_qc_pointer) then
173          iv % ships(n) % u % inv = iv%ships(n)%u%inv - model_u(1,n)
174       else
175          iv % ships(n) % u % inv = 0.0
176       end if
177 
178       if (ob % ships(n) % v > missing_r .AND. iv % ships(n) % v % qc >= obs_qc_pointer) then
179          iv % ships(n) % v % inv = iv%ships(n)%v%inv - model_v(1,n)
180       else
181          iv % ships(n) % v % inv = 0.0
182       end if
183 
184       if (ob % ships(n) % p > 0.0 .AND. iv % ships(n) % p % qc >= obs_qc_pointer) then
185          iv % ships(n) % p % inv = iv%ships(n)%p%inv - model_p(1,n)
186       else
187          iv % ships(n) % p % inv = 0.0
188       end if
189 
190       if (ob % ships(n) % t > 0.0 .AND. iv % ships(n) % t % qc >= obs_qc_pointer) then
191          iv % ships(n) % t % inv = iv%ships(n)%t%inv - model_t(1,n)
192       else
193          iv % ships(n) % t % inv = 0.0
194       end if
195 
196       if (ob % ships(n) % q > 0.0 .AND. iv % ships(n) % q % qc >= obs_qc_pointer) then
197          iv % ships(n) % q % inv = iv%ships(n)%q%inv - model_q(1,n)
198       else
199          iv % ships(n) % q % inv = 0.0
200       end if
201    end do
202 
203    !---------------------------------------------------------------------
204    ! [5.0] Perform optional maximum error check:
205    !---------------------------------------------------------------------
206 
207    if (check_max_iv) then
208       call da_check_max_iv_ships(iv, it, itu,ituf,itvv,itvvf,itp,itpf,itt,ittf,itqv,itqvf)
209    end if
210    
211    if (rootproc .and. check_max_iv_print) then
212       write(unit= check_max_iv_unit, fmt ='(A,i5,A)')'For outer iteration ',it, &
213          ', Total Rejections for Ships follows:'
214 
215       write(unit = check_max_iv_unit, fmt = '(/,10(2(A,I6),/))') &
216          'Number of failed u-wind observations:     ',ituf, ' on ',itu,   &
217          'Number of failed v-wind observations:     ',itvvf,' on ',itvv,   &
218          'Number of failed pressure observations:   ',itpf, ' on ',itp,   &
219          'Number of failed temperature observations:',ittf, ' on ',itt,   &
220          'Number of failed mixing ratio observations:',itqvf,' on ',itqv, &
221          'Finally Total Ships rejections ',ituf+itvvf+itpf+ittf+itqvf,' on ',&
222                                            itu +itvv +itp +itt +itqv
223    end if
224 
225    deallocate (model_u)
226    deallocate (model_v)
227    deallocate (model_t)
228    deallocate (model_p)
229    deallocate (model_q)
230    deallocate (model_hsm)
231    
232    if (trace_use_dull) call da_trace_exit("da_get_innov_vector_ships")
233 
234 end subroutine da_get_innov_vector_ships
235 
236