da_calculate_grady_bogus.inc

1 subroutine da_calculate_grady_bogus(iv, re, jo_grad_y)
2 
3    !----------------------------------------------------------------------
4    ! Purpose: Applies obs inverse on re-vector
5    !----------------------------------------------------------------------
6 
7    implicit none
8 
9    type (ob_type), intent(in)     :: iv          ! Innovation vector.
10    type (y_type),  intent(inout)  :: re          ! Residual vector.
11    type (y_type),  intent(inout)  :: jo_grad_y   ! Grad_y(Jo)
12 
13    integer                      :: n, k
14 
15    if (iv%num_bogus > 0) then
16       do n=1, iv%num_bogus
17          if (iv%bogus(n)%slp%qc < obs_qc_pointer) then
18             re%bogus(n)%slp = 0.0
19          end if
20 
21          jo_grad_y%bogus(n)%slp = -re%bogus(n)%slp / &
22             (iv%bogus(n)%slp%error * iv%bogus(n)%slp%error)
23 
24          do k=1, iv%bogus(n)%info%levels
25             if (iv%bogus(n)%u(k)%qc < obs_qc_pointer) re%bogus(n)%u(k) = 0.0
26             if (iv%bogus(n)%v(k)%qc < obs_qc_pointer) re%bogus(n)%v(k) = 0.0
27             if (iv%bogus(n)%t(k)%qc < obs_qc_pointer) re%bogus(n)%t(k) = 0.0
28             if (iv%bogus(n)%q(k)%qc < obs_qc_pointer) re%bogus(n)%q(k) = 0.0
29 
30             jo_grad_y%bogus(n)%u(k) = -re%bogus(n)%u(k) / &
31                                       (iv%bogus(n)%u(k)%error * &
32                                         iv%bogus(n)%u(k)%error)
33             jo_grad_y%bogus(n)%v(k) = -re%bogus(n)%v(k) / &
34                                       (iv%bogus(n)%v(k)%error * &
35                                         iv%bogus(n)%v(k)%error)
36             jo_grad_y%bogus(n)%t(k) = -re%bogus(n)%t(k) / &
37                                       (iv%bogus(n)%t(k)%error * &
38                                         iv%bogus(n)%t(k)%error)
39             jo_grad_y%bogus(n)%q(k) = -re%bogus(n)%q(k) / &
40                                       (iv%bogus(n)%q(k)%error * &
41                                         iv%bogus(n)%q(k)%error)
42          end do
43       end do
44    end if
45 
46 end subroutine da_calculate_grady_bogus
47 
48