| 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 | #if ! defined key_bfm |
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| 14 | USE trc |
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| 15 | USE trctrp ! passive tracers transport |
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| 16 | USE trcsms ! passive tracers sources and sinks |
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| 17 | USE prtctl_trc ! Print control for debbuging |
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| 18 | USE trcdia |
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| 19 | USE trcwri |
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| 20 | USE trcrst |
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| 21 | USE trdmod_trc_oce |
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| 22 | USE trdmld_trc |
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| 23 | #else |
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| 24 | USE api_bfm, ONLY: bio_calc |
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| 25 | USE par_bfm |
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| 26 | #ifdef key_obc |
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| 27 | USE trcobcdta_bfm |
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| 28 | #endif |
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| 29 | #endif |
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| 30 | USE iom |
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| 31 | USE in_out_manager |
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| 32 | |
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| 33 | IMPLICIT NONE |
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| 34 | PRIVATE |
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| 35 | |
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| 36 | PUBLIC trc_stp ! called by step |
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| 37 | |
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| 38 | !!---------------------------------------------------------------------- |
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| 39 | !! NEMO/TOP 3.3 , NEMO Consortium (2010) |
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| 40 | !! $Id$ |
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| 41 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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| 42 | !!---------------------------------------------------------------------- |
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| 43 | CONTAINS |
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| 44 | |
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| 45 | SUBROUTINE trc_stp( kt ) |
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| 46 | !!------------------------------------------------------------------- |
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| 47 | !! *** ROUTINE trc_stp *** |
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| 48 | !! |
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| 49 | !! ** Purpose : Time loop of opa for passive tracer |
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| 50 | !! |
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| 51 | !! ** Method : |
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| 52 | !! Compute the passive tracers trends |
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| 53 | !! Update the passive tracers |
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| 54 | !!------------------------------------------------------------------- |
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| 55 | INTEGER, INTENT( in ) :: kt ! ocean time-step index |
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| 56 | CHARACTER (len=25) :: charout |
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| 57 | !!------------------------------------------------------------------- |
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| 58 | |
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| 59 | #if defined key_bfm |
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| 60 | !--------------------------------------------- |
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| 61 | ! Check the main BFM flag |
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| 62 | !--------------------------------------------- |
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| 63 | IF (bio_calc) THEN |
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| 64 | |
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| 65 | CALL trc_bfm( kt ) ! main call to BFM |
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| 66 | |
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| 67 | CALL trc_trp_bfm( kt ) ! transport of BFM tracers |
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| 68 | |
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| 69 | CALL trc_dia_bfm( kt ) ! diagnostic output for BFM |
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| 70 | END IF |
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| 71 | #else |
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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 | IF( kt == nit000 .AND. lk_trdmld_trc ) & |
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| 83 | & CALL trd_mld_trc_init ! trends: Mixed-layer |
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| 84 | CALL trc_rst_opn( kt ) ! Open tracer restart file |
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| 85 | IF( lk_iomput ) THEN ; CALL trc_wri( kt ) ! output of passive tracers |
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| 86 | ELSE ; CALL trc_dia( kt ) |
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| 87 | ENDIF |
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| 88 | CALL trc_sms( kt ) ! tracers: sink and source |
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| 89 | CALL trc_trp( kt ) ! transport of passive tracers |
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| 90 | IF( kt == nit000 ) CALL iom_close( numrtr ) ! close input passive tracers restart file |
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| 91 | IF( lrst_trc ) CALL trc_rst_wri( kt ) ! write tracer restart file |
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| 92 | IF( lk_trdmld_trc ) CALL trd_mld_trc( kt ) ! trends: Mixed-layer |
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| 93 | ! |
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| 94 | ENDIF |
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| 95 | #endif |
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| 96 | |
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| 97 | END SUBROUTINE trc_stp |
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| 98 | |
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| 99 | #else |
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| 100 | !!---------------------------------------------------------------------- |
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| 101 | !! Default key NO passive tracers |
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| 102 | !!---------------------------------------------------------------------- |
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| 103 | CONTAINS |
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| 104 | SUBROUTINE trc_stp( kt ) ! Empty routine |
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| 105 | WRITE(*,*) 'trc_stp: You should not have seen this print! error?', kt |
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| 106 | END SUBROUTINE trc_stp |
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| 107 | #endif |
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| 108 | |
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| 109 | !!====================================================================== |
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| 110 | END MODULE trcstp |
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