da_residual_airsr.inc

1 subroutine da_residual_airsr(oi, y, re,                        &
2                                         np_missing, np_bad_data,          &
3                                         np_obs_used, np_available)
4 
5    !----------------------------------------------------------------------
6    ! Purpose: Calculates residual at AIRS retrieval locations                   
7    !----------------------------------------------------------------------
8 
9    implicit none
10 
11    type (ob_type), intent(in)        :: oi     ! Innovation vector (O-B).
12    type (y_type) , intent(in)        :: y      ! y = H (xa)
13    type (y_type) , intent(inout)     :: re     ! Residual structure.
14 
15    integer       , intent(inout)     :: np_available, np_obs_used,          &
16                                         np_missing  , np_bad_data
17 
18    type (bad_data_type)              :: n_obs_bad
19    integer                           :: n, k
20 
21    if (oi%num_airsr > 0) then
22       n_obs_bad % t % num = number_type(0, 0, 0)
23       n_obs_bad % q % num = number_type(0, 0, 0)
24 
25       do n=1, oi%num_airsr
26          do k=1, oi%airsr(n)%info%levels
27            np_available = np_available + 4
28 
29            re%airsr(n)%t(k) = da_residual(n, k, y%airsr(n)%t(k), &
30                                       oi%airsr(n)%t(k), n_obs_bad % t)
31            re%airsr(n)%q(k) = da_residual(n, k, y%airsr(n)%q(k), &
32                                       oi%airsr(n)%q(k), n_obs_bad % q)
33          end do
34       end do
35 
36       np_missing = np_missing + n_obs_bad % t % num % miss + &
37                                n_obs_bad % q % num % miss
38       np_bad_data = np_bad_data + n_obs_bad % t % num % bad + &
39                                  n_obs_bad % q % num % bad
40       np_obs_used = np_obs_used + n_obs_bad % t % num % use + &
41                                  n_obs_bad % q % num % use
42 
43    end if
44 
45 end subroutine da_residual_airsr
46 
47