1 | MODULE trcstp |
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2 | !!====================================================================== |
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3 | !! *** MODULE trcstp *** |
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4 | !! Time-stepping : time loop of opa for passive tracer |
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5 | !!====================================================================== |
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6 | !! History : 1.0 ! 2004-03 (C. Ethe) Original |
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7 | !!---------------------------------------------------------------------- |
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8 | #if defined key_top |
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9 | !!---------------------------------------------------------------------- |
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10 | !! trc_stp : passive tracer system time-stepping |
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11 | !!---------------------------------------------------------------------- |
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12 | USE oce_trc ! ocean dynamics and active tracers variables |
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13 | USE trc |
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14 | USE trctrp ! passive tracers transport |
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15 | USE trcsms ! passive tracers sources and sinks |
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16 | USE prtctl_trc ! Print control for debbuging |
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17 | USE trcdia |
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18 | USE trcwri |
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19 | USE trcrst |
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20 | USE trdmod_trc_oce |
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21 | USE trdmld_trc |
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22 | USE iom |
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23 | USE in_out_manager |
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24 | |
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25 | IMPLICIT NONE |
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26 | PRIVATE |
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27 | |
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28 | PUBLIC trc_stp ! called by step |
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29 | |
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30 | !! * Substitutions |
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31 | # include "domzgr_substitute.h90" |
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32 | !!---------------------------------------------------------------------- |
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33 | !! NEMO/TOP 3.3 , NEMO Consortium (2010) |
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34 | !! $Id$ |
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35 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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36 | !!---------------------------------------------------------------------- |
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37 | CONTAINS |
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38 | |
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39 | SUBROUTINE trc_stp( kt ) |
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40 | !!------------------------------------------------------------------- |
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41 | !! *** ROUTINE trc_stp *** |
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42 | !! |
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43 | !! ** Purpose : Time loop of opa for passive tracer |
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44 | !! |
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45 | !! ** Method : |
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46 | !! Compute the passive tracers trends |
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47 | !! Update the passive tracers |
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48 | !!------------------------------------------------------------------- |
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49 | INTEGER, INTENT( in ) :: kt ! ocean time-step index |
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50 | INTEGER :: jk ! |
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51 | CHARACTER (len=25) :: charout |
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52 | !!------------------------------------------------------------------- |
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53 | ! |
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54 | IF( kt == nit000 ) THEN |
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55 | CALL iom_close( numrtr ) ! close input passive tracers restart file |
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56 | IF( lk_trdmld_trc ) CALL trd_mld_trc_init ! trends: Mixed-layer |
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57 | ENDIF |
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58 | ! |
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59 | IF( lk_vvl ) THEN ! update ocean volume due to ssh temporal evolution |
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60 | DO jk = 1, jpk |
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61 | cvol(:,:,jk) = e1e2t(:,:) * fse3t(:,:,jk) * tmask(:,:,jk) |
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62 | END DO |
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63 | IF( lk_degrad ) cvol(:,:,:) = cvol(:,:,:) * facvol(:,:,:) ! degrad option: reduction by facvol |
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64 | areatot = glob_sum( cvol(:,:,:) ) |
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65 | ENDIF |
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66 | ! |
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67 | |
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68 | IF( kt == nit000 ) THEN |
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69 | CALL iom_close( numrtr ) ! close input passive tracers restart file |
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70 | IF( lk_trdmld_trc ) CALL trd_mld_trc_init ! trends: Mixed-layer |
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71 | ENDIF |
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72 | ! |
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73 | IF( MOD( kt - 1 , nn_dttrc ) == 0 ) THEN ! only every nn_dttrc time step |
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74 | ! |
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75 | IF(ln_ctl) THEN |
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76 | WRITE(charout,FMT="('kt =', I4,' d/m/y =',I2,I2,I4)") kt, nday, nmonth, nyear |
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77 | CALL prt_ctl_trc_info(charout) |
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78 | ENDIF |
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79 | ! |
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80 | tra(:,:,:,:) = 0.e0 |
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81 | ! |
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82 | CALL trc_rst_opn( kt ) ! Open tracer restart file |
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83 | IF( lk_iomput ) THEN ; CALL trc_wri ( kt ) ! output of passive tracers with iom I/O manager |
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84 | ELSE ; CALL trc_dia ( kt ) ! output of passive tracers with old I/O manager |
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85 | ENDIF |
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86 | CALL trc_sms( kt ) ! tracers: sinks and sources |
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87 | CALL trc_trp( kt ) ! transport of passive tracers |
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88 | IF( lrst_trc ) CALL trc_rst_wri( kt ) ! write tracer restart file |
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89 | IF( lk_trdmld_trc ) CALL trd_mld_trc( kt ) ! trends: Mixed-layer |
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90 | ! |
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91 | ENDIF |
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92 | |
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93 | END SUBROUTINE trc_stp |
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94 | |
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95 | #else |
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96 | !!---------------------------------------------------------------------- |
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97 | !! Default key NO passive tracers |
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98 | !!---------------------------------------------------------------------- |
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99 | CONTAINS |
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100 | SUBROUTINE trc_stp( kt ) ! Empty routine |
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101 | WRITE(*,*) 'trc_stp: You should not have seen this print! error?', kt |
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102 | END SUBROUTINE trc_stp |
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103 | #endif |
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104 | |
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105 | !!====================================================================== |
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106 | END MODULE trcstp |
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