| 1 | MODULE trcbbl |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE trcbbl *** |
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| 4 | !! Ocean passive tracers physics : advective and/or diffusive bottom boundary |
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| 5 | !! layer scheme |
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| 6 | !!====================================================================== |
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| 7 | !!============================================================================== |
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| 8 | !! History : OPA ! 1996-06 (L. Mortier) Original code |
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| 9 | !! 8.0 ! 1997-11 (G. Madec) Optimization |
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| 10 | !! NEMO 1.0 ! 2002-08 (G. Madec) free form + modules |
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| 11 | !! - ! 2004-01 (A. de Miranda, G. Madec, J.M. Molines ) add advective bbl |
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| 12 | !! 3.3 ! 2009-11 (G. Madec) merge trabbl and trabbl_adv + style + optimization |
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| 13 | !! - ! 2010-04 (G. Madec) Campin & Goosse advective bbl |
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| 14 | !! - ! 2010-06 (C. Ethe, G. Madec) merge TRA-TRC |
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| 15 | !!---------------------------------------------------------------------- |
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| 16 | #if defined key_top && defined key_trabbl |
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| 17 | !!---------------------------------------------------------------------- |
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| 18 | !! 'key_trabbl diffusive or/and adevective bottom boundary layer |
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| 19 | !!---------------------------------------------------------------------- |
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| 20 | !! trc_bbl : update the tracer trends due to the bottom boundary layer (advective and/or diffusive) |
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| 21 | !!---------------------------------------------------------------------- |
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| 22 | USE oce_trc ! ocean dynamics and active tracers variables |
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| 23 | USE trc ! ocean passive tracers variables |
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| 24 | USE trcnam_trp ! passive tracers transport namelist variables |
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| 25 | USE trabbl ! |
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| 26 | USE prtctl_trc ! Print control for debbuging |
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| 27 | USE trd_oce |
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| 28 | USE trdtra |
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| 29 | |
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| 30 | PUBLIC trc_bbl ! routine called by step.F90 |
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| 31 | |
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| 32 | |
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| 33 | !! * Substitutions |
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| 34 | # include "top_substitute.h90" |
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| 35 | !!---------------------------------------------------------------------- |
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| 36 | !! NEMO/TOP 3.3 , NEMO Consortium (2010) |
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| 37 | !! $Id$ |
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| 38 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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| 39 | !!---------------------------------------------------------------------- |
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| 40 | |
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| 41 | CONTAINS |
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| 42 | |
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| 43 | |
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| 44 | SUBROUTINE trc_bbl( kt ) |
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| 45 | !!---------------------------------------------------------------------- |
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| 46 | !! *** ROUTINE bbl *** |
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| 47 | !! |
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| 48 | !! ** Purpose : Compute the before tracer (t & s) trend associated |
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| 49 | !! with the bottom boundary layer and add it to the general trend |
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| 50 | !! of tracer equations. |
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| 51 | !! |
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| 52 | !!---------------------------------------------------------------------- |
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| 53 | INTEGER, INTENT( in ) :: kt ! ocean time-step |
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| 54 | CHARACTER (len=22) :: charout |
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| 55 | REAL(wp), ALLOCATABLE, DIMENSION(:,:,:,:) :: ztrtrd |
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| 56 | !!---------------------------------------------------------------------- |
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| 57 | ! |
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| 58 | IF( nn_timing == 1 ) CALL timing_start('trc_bbl') |
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| 59 | ! |
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| 60 | IF( .NOT. lk_offline .AND. nn_dttrc == 1 ) THEN |
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| 61 | CALL bbl( kt, nittrc000, 'TRC' ) ! Online coupling with dynamics : Computation of bbl coef and bbl transport |
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| 62 | l_bbl = .FALSE. ! Offline coupling with dynamics : Read bbl coef and bbl transport from input files |
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| 63 | ENDIF |
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| 64 | |
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| 65 | IF( l_trdtrc ) THEN |
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| 66 | ALLOCATE(ztrtrd( jpi, jpj, jpk, jptra )) ! temporary save of trends |
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| 67 | ztrtrd(:,:,:,:) = tra(:,:,:,:) |
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| 68 | ENDIF |
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| 69 | |
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| 70 | !* Diffusive bbl : |
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| 71 | IF( nn_bbl_ldf == 1 ) THEN |
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| 72 | ! |
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| 73 | CALL tra_bbl_dif( trb, tra, jptra ) |
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| 74 | IF( ln_ctl ) THEN |
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| 75 | WRITE(charout, FMT="(' bbl_dif')") ; CALL prt_ctl_trc_info(charout) |
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| 76 | CALL prt_ctl_trc( tab4d=tra, mask=tmask, clinfo=ctrcnm, clinfo2='trd' ) |
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| 77 | ENDIF |
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| 78 | ! |
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| 79 | END IF |
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| 80 | |
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| 81 | !* Advective bbl : bbl upstream advective trends added to the tracer trends |
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| 82 | IF( nn_bbl_adv /= 0 ) THEN |
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| 83 | ! |
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| 84 | CALL tra_bbl_adv( trb, tra, jptra ) |
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| 85 | IF( ln_ctl ) THEN |
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| 86 | WRITE(charout, FMT="(' bbl_adv')") ; CALL prt_ctl_trc_info(charout) |
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| 87 | CALL prt_ctl_trc( tab4d=tra, mask=tmask, clinfo=ctrcnm, clinfo2='trd' ) |
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| 88 | ENDIF |
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| 89 | ! |
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| 90 | END IF |
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| 91 | |
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| 92 | IF( l_trdtrc ) THEN ! save the horizontal diffusive trends for further diagnostics |
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| 93 | DO jn = 1, jptra |
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| 94 | ztrtrd(:,:,:,jn) = tra(:,:,:,jn) - ztrtrd(:,:,:,jn) |
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| 95 | CALL trd_tra( kt, 'TRC', jn, jptra_bbl, ztrtrd(:,:,:,jn) ) |
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| 96 | END DO |
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| 97 | DEALLOCATE(ztrtrd ) ! temporary save of trends |
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| 98 | ENDIF |
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| 99 | ! |
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| 100 | IF( nn_timing == 1 ) CALL timing_stop('trc_bbl') |
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| 101 | ! |
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| 102 | END SUBROUTINE trc_bbl |
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| 103 | |
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| 104 | #else |
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| 105 | !!---------------------------------------------------------------------- |
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| 106 | !! Dummy module : No bottom boundary layer scheme |
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| 107 | !!---------------------------------------------------------------------- |
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| 108 | CONTAINS |
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| 109 | SUBROUTINE trc_bbl( kt ) ! Empty routine |
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| 110 | WRITE(*,*) 'tra_bbl: You should not have seen this print! error?', kt |
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| 111 | END SUBROUTINE trc_bbl |
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| 112 | #endif |
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| 113 | |
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| 114 | !!====================================================================== |
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| 115 | END MODULE trcbbl |
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