da_calculate_grady_sound.inc

1 subroutine da_calculate_grady_sound(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_sound > 0) then
16       do n=1, iv%num_sound
17          do k=1, iv%sound(n)%info%levels
18             if (iv%sound(n)%u(k)%qc < obs_qc_pointer) re%sound(n)%u(k) = 0.0
19             if (iv%sound(n)%v(k)%qc < obs_qc_pointer) re%sound(n)%v(k) = 0.0
20             if (iv%sound(n)%t(k)%qc < obs_qc_pointer) re%sound(n)%t(k) = 0.0
21             if (iv%sound(n)%q(k)%qc < obs_qc_pointer) re%sound(n)%q(k) = 0.0
22 
23             jo_grad_y%sound(n)%u(k) = -re%sound(n)%u(k) / &
24                                       (iv%sound(n)%u(k)%error * &
25                                         iv%sound(n)%u(k)%error)
26             jo_grad_y%sound(n)%v(k) = -re%sound(n)%v(k) / &
27                                       (iv%sound(n)%v(k)%error * &
28                                         iv%sound(n)%v(k)%error)
29             jo_grad_y%sound(n)%t(k) = -re%sound(n)%t(k) / &
30                                       (iv%sound(n)%t(k)%error * &
31                                         iv%sound(n)%t(k)%error)
32             jo_grad_y%sound(n)%q(k) = -re%sound(n)%q(k) / &
33                                       (iv%sound(n)%q(k)%error * &
34                                         iv%sound(n)%q(k)%error)
35          end do
36       end do
37   end if
38 
39 end subroutine da_calculate_grady_sound
40 
41