var/da/da_sound/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 (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_sound")
  16
  17    do n=1, iv%info(sound)%nlocal
  18       do k=1, iv%info(sound)%levels(n)
  19          if (iv%sound(n)%u(k)%qc < obs_qc_pointer) re%sound(n)%u(k) = 0.0
  20          if (iv%sound(n)%v(k)%qc < obs_qc_pointer) re%sound(n)%v(k) = 0.0
  21          if (iv%sound(n)%t(k)%qc < obs_qc_pointer) re%sound(n)%t(k) = 0.0
  22          if (iv%sound(n)%q(k)%qc < obs_qc_pointer) re%sound(n)%q(k) = 0.0
  23
  24          jo_grad_y%sound(n)%u(k) = -re%sound(n)%u(k) / (iv%sound(n)%u(k)%error * iv%sound(n)%u(k)%error)
  25          jo_grad_y%sound(n)%v(k) = -re%sound(n)%v(k) / (iv%sound(n)%v(k)%error * iv%sound(n)%v(k)%error)
  26          jo_grad_y%sound(n)%t(k) = -re%sound(n)%t(k) / (iv%sound(n)%t(k)%error * iv%sound(n)%t(k)%error)
  27          jo_grad_y%sound(n)%q(k) = -re%sound(n)%q(k) / (iv%sound(n)%q(k)%error * iv%sound(n)%q(k)%error)
  28       end do
  29    end do
  30
  31    if (trace_use_dull) call da_trace_exit("da_calculate_grady_sound")
  32
  33 end subroutine da_calculate_grady_sound
  34
  35