1 subroutine da_check_xtoy_adjoint_polaramv (iv, y, adjtest_lhs, pertile_lhs)
3 !-------------------------------------------------------------------------
4 ! Purpose: Adjoint Test for Polar AMVs Obs
5 !-------------------------------------------------------------------------
9 type (iv_type), intent(in) :: iv ! obs. inc. vector (o-b).
10 type (y_type) , intent(inout) :: y ! y = h (xa)
11 real , intent(inout) :: adjtest_lhs, pertile_lhs
13 integer :: n, k ! Loop counter.
15 if (trace_use_dull) call da_trace_entry("da_check_xtoy_adjoint_polaramv")
17 do n=iv%info(polaramv)%n1, iv%info(polaramv)%n2
18 do k=1, iv%info(polaramv)%levels(n)
19 if (iv%info(polaramv)%proc_domain(k,n)) then
20 adjtest_lhs = adjtest_lhs + (y%polaramv(n)%u(k)/typical_u_rms)**2 + (y%polaramv(n)%v(k)/typical_v_rms)**2
24 do k=1, iv%info(polaramv)%levels(n)
25 pertile_lhs = pertile_lhs + &
26 (y%polaramv(n)%u(k)/typical_u_rms)**2 + (y%polaramv(n)%v(k)/typical_v_rms)**2
28 y%polaramv(n)%u(k)= y%polaramv(n)%u(k) / typical_u_rms ** 2
29 y%polaramv(n)%v(k)= y%polaramv(n)%v(k) / typical_v_rms ** 2
33 if (trace_use_dull) call da_trace_exit("da_check_xtoy_adjoint_polaramv")
35 end subroutine da_check_xtoy_adjoint_polaramv