1 | MODULE trcrad |
---|
2 | !!====================================================================== |
---|
3 | !! *** MODULE trcrad *** |
---|
4 | !! Ocean passive tracers: correction of negative concentrations |
---|
5 | !!====================================================================== |
---|
6 | #if defined key_passivetrc |
---|
7 | !!---------------------------------------------------------------------- |
---|
8 | !! trc_rad : correction of negative concentrations |
---|
9 | !!---------------------------------------------------------------------- |
---|
10 | !! * Modules used |
---|
11 | USE oce_trc ! ocean dynamics and tracers variables |
---|
12 | USE trc ! ocean passive tracers variables |
---|
13 | USE lib_mpp |
---|
14 | USE prtctl_trc ! Print control for debbuging |
---|
15 | |
---|
16 | IMPLICIT NONE |
---|
17 | PRIVATE |
---|
18 | |
---|
19 | !! * Routine accessibility |
---|
20 | PUBLIC trc_rad ! routine called by trcstp.F90 |
---|
21 | !! * Substitutions |
---|
22 | # include "passivetrc_substitute.h90" |
---|
23 | !!---------------------------------------------------------------------- |
---|
24 | !! OPA 9.0 , LODYC-IPSL (2003) |
---|
25 | !!---------------------------------------------------------------------- |
---|
26 | CONTAINS |
---|
27 | |
---|
28 | SUBROUTINE trc_rad( kt ) |
---|
29 | !!---------------------------------------------------------------------- |
---|
30 | !! *** ROUTINE trc_rad *** |
---|
31 | !! |
---|
32 | !! ** Purpose : "crappy" routine to correct artificial negative |
---|
33 | !! concentrations due to isopycnal scheme |
---|
34 | !! |
---|
35 | !! ** Method : Set negative concentrations to zero |
---|
36 | !! compute the corresponding mass added to the tracers |
---|
37 | !! and remove it when possible |
---|
38 | !! |
---|
39 | !! History : |
---|
40 | !! 8.2 ! 01-01 (O. Aumont & E. Kestenare) Original code |
---|
41 | !! 9.0 ! 04-03 (C. Ethe) free form F90 |
---|
42 | !!---------------------------------------------------------------------- |
---|
43 | !! * Arguments |
---|
44 | INTEGER, INTENT( in ) :: kt ! ocean time-step index |
---|
45 | |
---|
46 | !! * Local declarations |
---|
47 | INTEGER :: ji, jj, jk, jn ! dummy loop indices |
---|
48 | #if defined key_trc_pisces |
---|
49 | REAL(wp) :: zvolk, trcorb, trmasb ,trcorn, trmasn |
---|
50 | #endif |
---|
51 | CHARACTER (len=22) :: charout |
---|
52 | !!---------------------------------------------------------------------- |
---|
53 | |
---|
54 | IF( kt == nittrc000 ) THEN |
---|
55 | IF(lwp) WRITE(numout,*) |
---|
56 | IF(lwp) WRITE(numout,*) 'trc_rad : Correct artificial negative concentrations ' |
---|
57 | IF(lwp) WRITE(numout,*) '~~~~~~~ ' |
---|
58 | ENDIF |
---|
59 | |
---|
60 | |
---|
61 | #if defined key_trc_lobster1 || defined key_cfc |
---|
62 | DO jn = 1, jptra |
---|
63 | DO jk = 1, jpkm1 |
---|
64 | DO jj = 1, jpj |
---|
65 | DO ji = 1, jpi |
---|
66 | trn(ji,jj,jk,jn) = MAX( 0. , trn(ji,jj,jk,jn) ) |
---|
67 | trb(ji,jj,jk,jn) = MAX( 0. , trb(ji,jj,jk,jn) ) |
---|
68 | END DO |
---|
69 | END DO |
---|
70 | END DO |
---|
71 | END DO |
---|
72 | |
---|
73 | #elif defined key_trc_pisces |
---|
74 | DO jn = 1, jptra |
---|
75 | trcorb = 0. |
---|
76 | trmasb = 0. |
---|
77 | trcorn = 0. |
---|
78 | trmasn = 0. |
---|
79 | DO jk = 1, jpkm1 |
---|
80 | DO jj = 1, jpj |
---|
81 | DO ji = 1, jpi |
---|
82 | zvolk = e1t(ji,jj) * e2t(ji,jj) * fse3t(ji,jj,jk) & |
---|
83 | #if defined key_off_degrad |
---|
84 | & * facvol(ji,jj,jk) & |
---|
85 | #endif |
---|
86 | & * tmask(ji,jj,jk) |
---|
87 | |
---|
88 | trcorb = trcorb + MIN( 0., trb(ji,jj,jk,jn) ) * zvolk |
---|
89 | trcorn = trcorn + MIN( 0., trn(ji,jj,jk,jn) ) * zvolk |
---|
90 | |
---|
91 | trb(ji,jj,jk,jn) = MAX( 0. , trb(ji,jj,jk,jn) ) |
---|
92 | trn(ji,jj,jk,jn) = MAX( 0. , trn(ji,jj,jk,jn) ) |
---|
93 | |
---|
94 | trmasb = trmasb + trb(ji,jj,jk,jn) * zvolk |
---|
95 | trmasn = trmasn + trn(ji,jj,jk,jn) * zvolk |
---|
96 | END DO |
---|
97 | END DO |
---|
98 | END DO |
---|
99 | |
---|
100 | IF( lk_mpp ) THEN |
---|
101 | CALL mpp_sum( trcorb ) ! sum over the global domain |
---|
102 | CALL mpp_sum( trcorn ) ! sum over the global domain |
---|
103 | CALL mpp_sum( trmasb ) ! sum over the global domain |
---|
104 | CALL mpp_sum( trmasn ) ! sum over the global domain |
---|
105 | ENDIF |
---|
106 | |
---|
107 | IF( trcorb /= 0 ) THEN |
---|
108 | DO jk = 1, jpkm1 |
---|
109 | DO jj = 1, jpj |
---|
110 | DO ji = 1, jpi |
---|
111 | trb(ji,jj,jk,jn) = MAX( 0. , trb(ji,jj,jk,jn) ) |
---|
112 | trb(ji,jj,jk,jn) = trb(ji,jj,jk,jn) * ( 1. + trcorb/trmasb ) * tmask(ji,jj,jk) |
---|
113 | END DO |
---|
114 | END DO |
---|
115 | END DO |
---|
116 | ENDIF |
---|
117 | |
---|
118 | IF( trcorn /= 0) THEN |
---|
119 | DO jk = 1, jpkm1 |
---|
120 | DO jj = 1, jpj |
---|
121 | DO ji = 1, jpi |
---|
122 | trn(ji,jj,jk,jn) = MAX( 0. , trn(ji,jj,jk,jn) ) |
---|
123 | trn(ji,jj,jk,jn) = trn(ji,jj,jk,jn) * ( 1. + trcorn/trmasn ) * tmask(ji,jj,jk) |
---|
124 | END DO |
---|
125 | END DO |
---|
126 | END DO |
---|
127 | ENDIF |
---|
128 | |
---|
129 | END DO |
---|
130 | |
---|
131 | #endif |
---|
132 | |
---|
133 | IF(ln_ctl) THEN ! print mean trends (used for debugging) |
---|
134 | WRITE(charout, FMT="('rad')") |
---|
135 | CALL prt_ctl_trc_info(charout) |
---|
136 | CALL prt_ctl_trc(tab4d=trn, mask=tmask, clinfo=ctrcnm) |
---|
137 | ENDIF |
---|
138 | |
---|
139 | |
---|
140 | END SUBROUTINE trc_rad |
---|
141 | |
---|
142 | #else |
---|
143 | !!---------------------------------------------------------------------- |
---|
144 | !! Dummy module : NO passive tracer |
---|
145 | !!---------------------------------------------------------------------- |
---|
146 | CONTAINS |
---|
147 | SUBROUTINE trc_rad (kt ) ! Empty routine |
---|
148 | INTEGER, INTENT(in) :: kt |
---|
149 | WRITE(*,*) 'trc_rad: You should not have seen this print! error?', kt |
---|
150 | END SUBROUTINE trc_rad |
---|
151 | #endif |
---|
152 | |
---|
153 | !!====================================================================== |
---|
154 | END MODULE trcrad |
---|