1 | MODULE trcstp |
---|
2 | !!====================================================================== |
---|
3 | !! *** MODULE trcstp *** |
---|
4 | !! Time-stepping : time loop of opa for passive tracer |
---|
5 | !!====================================================================== |
---|
6 | !! History : 1.0 ! 2004-03 (C. Ethe) Original |
---|
7 | !!---------------------------------------------------------------------- |
---|
8 | #if defined key_top |
---|
9 | !!---------------------------------------------------------------------- |
---|
10 | !! trc_stp : passive tracer system time-stepping |
---|
11 | !!---------------------------------------------------------------------- |
---|
12 | USE oce_trc ! ocean dynamics and active tracers variables |
---|
13 | USE trc |
---|
14 | USE trctrp ! passive tracers transport |
---|
15 | USE trcsms ! passive tracers sources and sinks |
---|
16 | USE prtctl_trc ! Print control for debbuging |
---|
17 | USE trcdia |
---|
18 | USE trcwri |
---|
19 | USE trcrst |
---|
20 | USE trdmod_trc_oce |
---|
21 | USE trdmld_trc |
---|
22 | USE iom |
---|
23 | USE in_out_manager |
---|
24 | USE trcsub |
---|
25 | |
---|
26 | IMPLICIT NONE |
---|
27 | PRIVATE |
---|
28 | |
---|
29 | PUBLIC trc_stp ! called by step |
---|
30 | |
---|
31 | !! * Substitutions |
---|
32 | # include "domzgr_substitute.h90" |
---|
33 | !!---------------------------------------------------------------------- |
---|
34 | !! NEMO/TOP 3.3 , NEMO Consortium (2010) |
---|
35 | !! $Id$ |
---|
36 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
---|
37 | !!---------------------------------------------------------------------- |
---|
38 | CONTAINS |
---|
39 | |
---|
40 | SUBROUTINE trc_stp( kt ) |
---|
41 | !!------------------------------------------------------------------- |
---|
42 | !! *** ROUTINE trc_stp *** |
---|
43 | !! |
---|
44 | !! ** Purpose : Time loop of opa for passive tracer |
---|
45 | !! |
---|
46 | !! ** Method : |
---|
47 | !! Compute the passive tracers trends |
---|
48 | !! Update the passive tracers |
---|
49 | !!------------------------------------------------------------------- |
---|
50 | INTEGER, INTENT( in ) :: kt ! ocean time-step index |
---|
51 | INTEGER :: jk, jn ! dummy loop indices |
---|
52 | REAL(wp) :: ztrai |
---|
53 | CHARACTER (len=25) :: charout |
---|
54 | !!------------------------------------------------------------------- |
---|
55 | ! |
---|
56 | IF( nn_timing == 1 ) CALL timing_start('trc_stp') |
---|
57 | ! |
---|
58 | IF( kt == nittrc000 .AND. lk_trdmld_trc ) CALL trd_mld_trc_init ! trends: Mixed-layer |
---|
59 | ! |
---|
60 | IF( lk_vvl ) THEN ! update ocean volume due to ssh temporal evolution |
---|
61 | DO jk = 1, jpk |
---|
62 | cvol(:,:,jk) = e1e2t(:,:) * fse3t(:,:,jk) * tmask(:,:,jk) |
---|
63 | END DO |
---|
64 | IF( lk_degrad ) cvol(:,:,:) = cvol(:,:,:) * facvol(:,:,:) ! degrad option: reduction by facvol |
---|
65 | areatot = glob_sum( cvol(:,:,:) ) |
---|
66 | ENDIF |
---|
67 | ! |
---|
68 | IF( nn_dttrc /= 1 ) CALL trc_sub_stp( kt ) ! averaging physical variables for sub-stepping |
---|
69 | |
---|
70 | IF( MOD( kt , nn_dttrc ) == 0 ) THEN ! only every nn_dttrc time step |
---|
71 | ! |
---|
72 | IF(ln_ctl) THEN |
---|
73 | WRITE(charout,FMT="('kt =', I4,' d/m/y =',I2,I2,I4)") kt, nday, nmonth, nyear |
---|
74 | CALL prt_ctl_trc_info(charout) |
---|
75 | ENDIF |
---|
76 | ! |
---|
77 | tra(:,:,:,:) = 0.e0 |
---|
78 | ! |
---|
79 | CALL trc_rst_opn ( kt ) ! Open tracer restart file |
---|
80 | IF( lk_iomput ) THEN ; CALL trc_wri ( kt ) ! output of passive tracers with iom I/O manager |
---|
81 | ELSE ; CALL trc_dia ( kt ) ! output of passive tracers with old I/O manager |
---|
82 | ENDIF |
---|
83 | CALL trc_sms ( kt ) ! tracers: sinks and sources |
---|
84 | CALL trc_trp ( kt ) ! transport of passive tracers |
---|
85 | IF( lrst_trc ) CALL trc_rst_wri ( kt ) ! write tracer restart file |
---|
86 | IF( lk_trdmld_trc ) CALL trd_mld_trc ( kt ) ! trends: Mixed-layer |
---|
87 | ! |
---|
88 | IF( nn_dttrc /= 1 ) CALL trc_sub_reset( kt ) ! resetting physical variables when sub-stepping |
---|
89 | ! |
---|
90 | ENDIF |
---|
91 | ! |
---|
92 | ztrai = 0._wp ! content of all tracers |
---|
93 | DO jn = 1, jptra |
---|
94 | ztrai = ztrai + glob_sum( trn(:,:,:,jn) * cvol(:,:,:) ) |
---|
95 | END DO |
---|
96 | IF( lwp ) WRITE(numstr,9300) kt, ztrai / areatot |
---|
97 | 9300 FORMAT(i10,e18.10) |
---|
98 | ! |
---|
99 | IF( nn_timing == 1 ) CALL timing_stop('trc_stp') |
---|
100 | ! |
---|
101 | END SUBROUTINE trc_stp |
---|
102 | |
---|
103 | #else |
---|
104 | !!---------------------------------------------------------------------- |
---|
105 | !! Default key NO passive tracers |
---|
106 | !!---------------------------------------------------------------------- |
---|
107 | CONTAINS |
---|
108 | SUBROUTINE trc_stp( kt ) ! Empty routine |
---|
109 | WRITE(*,*) 'trc_stp: You should not have seen this print! error?', kt |
---|
110 | END SUBROUTINE trc_stp |
---|
111 | #endif |
---|
112 | |
---|
113 | !!====================================================================== |
---|
114 | END MODULE trcstp |
---|