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( 1:jpi, 1:jpj, 1:jpk, 1: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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