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 (iv_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 (trace_use_dull) call da_trace_entry("da_calculate_grady_bogus")
16 
17    do n=1, iv%info(bogus)%nlocal
18       if (iv%bogus(n)%slp%qc < obs_qc_pointer) then
19          re%bogus(n)%slp = 0.0
20       end if
21 
22       jo_grad_y%bogus(n)%slp = -re%bogus(n)%slp / (iv%bogus(n)%slp%error * iv%bogus(n)%slp%error)
23 
24       do k=1, iv%info(bogus)%levels(n)
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) / (iv%bogus(n)%u(k)%error * iv%bogus(n)%u(k)%error)
31          jo_grad_y%bogus(n)%v(k) = -re%bogus(n)%v(k) / (iv%bogus(n)%v(k)%error * iv%bogus(n)%v(k)%error)
32          jo_grad_y%bogus(n)%t(k) = -re%bogus(n)%t(k) / (iv%bogus(n)%t(k)%error * iv%bogus(n)%t(k)%error)
33          jo_grad_y%bogus(n)%q(k) = -re%bogus(n)%q(k) / (iv%bogus(n)%q(k)%error * iv%bogus(n)%q(k)%error)
34       end do
35    end do
36    
37    if (trace_use_dull) call da_trace_exit("da_calculate_grady_bogus")
38 
39 end subroutine da_calculate_grady_bogus
40 
41