da_ao_stats_gpsref.inc

References to this file elsewhere.
1 subroutine da_ao_stats_gpsref (stats_unit, oi, re)
2 
3    !--------------------------------------------------------------------
4    ! Purpose: Called by da_minimisation/da_write_diagnostics.inc.
5    !--------------------------------------------------------------------
6 
7    implicit none
8 
9    integer,        intent (in)      :: stats_unit    ! Output unit for stats.
10    type (ob_type), intent (in)      :: oi            ! OI
11    type  (y_type), intent (in)      :: re            ! A - O
12 
13    type (stats_gpsref_type)         :: GPSRef
14    integer                          :: ngpsref
15    integer                          :: n, k
16    real                             :: o_minus_b, o_minus_a, sigma_o, sigma_b
17    real                             :: o_minus_b_0, o_minus_a_0, sigma_o_0, sigma_b_0
18 
19    ngpsref = 0
20    num_gpsref_tot = 0
21    o_minus_b_0 = 0.0; o_minus_a_0 = 0.0; sigma_o_0 = 0.0; sigma_b_0 = 0.0
22    
23    GPSRef%maximum%ref = maxmin_type (missing_r, 0, 0)
24    GPSRef%minimum%ref = maxmin_type(-missing_r, 0, 0)
25    GPSRef%average = residual_gpsref1_type(0.0,0.0,0.0,0.0)
26    GPSRef%rms_err = GPSRef%average
27 
28    do n=1, oi%num_GPSRef
29       if (oi%gpsref(n)%loc%proc_domain) then
30          do k=1, oi%gpsref(n)%info%levels
31             call da_stats_calculate (n, k, oi%GPSRef(n)%ref(k)%qc, & 
32                           re%gpsref(n)%ref(k), ngpsref, &
33                           GPSRef%minimum%ref, GPSRef%maximum%ref, &
34                           GPSRef%average%ref, GPSRef%rms_err%ref)
35 
36             if (pseudo_var(1:3) == 'ref' .and. num_pseudo > 0) then
37                o_minus_b = oi%GPSRef(n)%ref(k)%inv
38                o_minus_a = re%gpsref(n)%ref(k)
39                sigma_o   = oi%gpsref(n)%ref(k)%error
40             end if
41          end do
42 
43          if (pseudo_var(1:3) == 'ref' .and. num_pseudo > 0) then
44             ! Calculate equivalent sigma_b using
45             ! O-A=(O-B)*sigma_o/(sigma_o+sigma_b)
46 
47             sigma_b = sqrt ((o_minus_b - o_minus_a) &
48                / o_minus_a) * sigma_o
49             o_minus_b_0 = wrf_dm_sum_real (o_minus_b)
50             o_minus_a_0 = wrf_dm_sum_real (o_minus_a)
51             sigma_o_0 = wrf_dm_sum_real (sigma_o)
52             sigma_b_0 = wrf_dm_sum_real (sigma_b)
53             write (unit=stdout,fmt='(A,F10.2)') &
54                'TEST_COVERAGE_da_ao_stats_gpsref:  o_minus_b_0 = ', o_minus_b_0 
55             write (unit=stdout,fmt='(A,F10.2)') &
56                'TEST_COVERAGE_da_ao_stats_gpsref:  o_minus_a_0 = ', o_minus_a_0
57             write (unit=stdout,fmt='(A,F10.2)') & 
58                'TEST_COVERAGE_da_ao_stats_gpsref:  sigma_o_0 = ', sigma_o_0
59             write (unit=stdout,fmt='(A,F10.2)') &
60                'TEST_COVERAGE_da_ao_stats_gpsref:  sigma_b_0 = ', sigma_b_0
61             if (rootproc) then 
62                write(stats_unit,'(/A,A3,A,f12.3)')  & 
63                            ' Pseudo ', pseudo_var, ' O-B: ', o_minus_b_0 
64                write(stats_unit,' (A,A3,A,f12.3)')  & 
65                            ' Pseudo ', pseudo_var, ' O-A: ', o_minus_a_0 
66                write(stats_unit,' (A,A3,A,f12.3)')  & 
67                            ' Pseudo ', pseudo_var, ' sigma_o: ', sigma_o_0 
68                write(stats_unit,'(A,A3,A,f12.3)')  & 
69                                  ' Pseudo ', pseudo_var, ' sigma_b: ', sigma_b_0
70             end if 
71          end if
72       end if    ! end if (oi%gpsref(n)%loc%proc_domain)
73    end do
74 
75    ! Do inter-processor communication to gather statistics.
76 
77    call da_proc_sum_int (ngpsref)
78    num_gpsref_tot = ngpsref
79     
80    call da_proc_stats_combine(GPSRef%average%ref, GPSRef%rms_err%ref, &
81              GPSRef%minimum%ref%value, GPSRef%maximum%ref%value, &
82              GPSRef%minimum%ref%n, GPSRef%maximum%ref%n, &
83              GPSRef%minimum%ref%l, GPSRef%maximum%ref%l)
84    
85    if (rootproc) then
86       if (ngpsref > 0) then
87          write(unit=stats_unit, fmt='(/a/)') ' Diagnostics of AO for gpsref'
88    
89          call da_print_stats_gpsref(stats_unit, ngpsref, GPSRef)
90       end if
91    end if
92 
93 end subroutine da_ao_stats_gpsref
94 
95