1 | MODULE trcsms_my_trc |
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2 | !!====================================================================== |
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3 | !! *** MODULE trcsms_my_trc *** |
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4 | !! TOP : Main module of the MY_TRC tracers |
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5 | !!====================================================================== |
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6 | !! History : 2.0 ! 2007-12 (C. Ethe, G. Madec) Original code |
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7 | !!---------------------------------------------------------------------- |
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8 | #if defined key_my_trc |
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9 | !!---------------------------------------------------------------------- |
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10 | !! 'key_my_trc' CFC tracers |
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11 | !!---------------------------------------------------------------------- |
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12 | !! trc_sms_my_trc : MY_TRC model main routine |
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13 | !! trc_sms_my_trc_alloc : allocate arrays specific to MY_TRC sms |
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14 | !!---------------------------------------------------------------------- |
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15 | USE par_trc ! TOP parameters |
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16 | USE oce_trc ! Ocean variables |
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17 | USE trc ! TOP variables |
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18 | USE trd_oce |
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19 | USE trdtrc |
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20 | |
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21 | IMPLICIT NONE |
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22 | PRIVATE |
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23 | |
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24 | PUBLIC trc_sms_my_trc ! called by trcsms.F90 module |
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25 | PUBLIC trc_sms_my_trc_alloc ! called by trcini_my_trc.F90 module |
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26 | |
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27 | INTEGER , PUBLIC :: nl_age ! T level surrounding age_depth |
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28 | INTEGER , PUBLIC :: nla_age ! T level wholly above age_depth |
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29 | INTEGER , PUBLIC :: nlb_age ! T level wholly below age_depth |
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30 | |
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31 | REAL(wp), PUBLIC :: rryear !: recip number of seconds in one year |
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32 | REAL(wp), PUBLIC :: age_depth = 10. !: depth over which age tracer reset to zero |
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33 | REAL(wp), PUBLIC :: age_kill_rate = -1./7200. !: recip of relaxation timescale (s) for age tracer shallower than age_depth |
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34 | REAL(wp), PUBLIC :: frac_kill_age !: fraction of level nl_age above age_depth where it is relaxed towards zero |
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35 | REAL(wp), PUBLIC :: frac_add_age !: fraction of level nl_age below age_depth where it is incremented |
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36 | |
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37 | |
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38 | ! Defined HERE the arrays specific to MY_TRC sms and ALLOCATE them in trc_sms_my_trc_alloc |
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39 | |
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40 | !!---------------------------------------------------------------------- |
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41 | !! NEMO/TOP 3.3 , NEMO Consortium (2010) |
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42 | !! $Id$ |
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43 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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44 | !!---------------------------------------------------------------------- |
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45 | CONTAINS |
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46 | |
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47 | SUBROUTINE trc_sms_my_trc( kt ) |
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48 | !!---------------------------------------------------------------------- |
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49 | !! *** trc_sms_my_trc *** |
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50 | !! |
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51 | !! ** Purpose : main routine of MY_TRC model |
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52 | !! |
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53 | !! ** Method : - |
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54 | !!---------------------------------------------------------------------- |
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55 | ! |
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56 | INTEGER, INTENT(in) :: kt ! ocean time-step index |
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57 | INTEGER :: jn, jk ! dummy loop index |
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58 | REAL(wp), POINTER, DIMENSION(:,:,:) :: ztrmyt |
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59 | !!---------------------------------------------------------------------- |
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60 | ! |
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61 | IF( nn_timing == 1 ) CALL timing_start('trc_sms_my_trc') |
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62 | ! |
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63 | IF(lwp) WRITE(numout,*) |
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64 | IF(lwp) WRITE(numout,*) ' trc_sms_my_trc: MY_TRC model' |
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65 | IF(lwp) WRITE(numout,*) ' ~~~~~~~~~~~~~~' |
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66 | |
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67 | IF( l_trdtrc ) CALL wrk_alloc( jpi, jpj, jpk, ztrmyt ) |
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68 | |
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69 | DO jk = 1, nla_age |
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70 | tra(:,:,jk,jpmyt1) = age_kill_rate * trb(:,:,jk,jpmyt1) |
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71 | ENDDO |
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72 | ! |
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73 | tra(:,:,nl_age,jpmyt1) = frac_kill_age * age_kill_rate * trb(:,:,nl_age,jpmyt1) & |
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74 | & + frac_add_age * rryear * tmask(:,:,nl_age) |
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75 | ! |
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76 | DO jk = nlb_age, jpk |
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77 | tra(:,:,jk,jpmyt1) = tmask(:,:,jk) * rryear |
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78 | ENDDO |
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79 | ! |
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80 | IF( l_trdtrc ) THEN ! Save the trends in the ixed layer |
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81 | DO jn = jp_myt0, jp_myt1 |
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82 | ztrmyt(:,:,:) = tra(:,:,:,jn) |
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83 | CALL trd_trc( ztrmyt, jn, jptra_sms, kt ) ! save trends |
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84 | END DO |
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85 | CALL wrk_dealloc( jpi, jpj, jpk, ztrmyt ) |
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86 | END IF |
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87 | ! |
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88 | IF( nn_timing == 1 ) CALL timing_stop('trc_sms_my_trc') |
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89 | ! |
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90 | END SUBROUTINE trc_sms_my_trc |
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91 | |
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92 | |
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93 | INTEGER FUNCTION trc_sms_my_trc_alloc() |
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94 | !!---------------------------------------------------------------------- |
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95 | !! *** ROUTINE trc_sms_my_trc_alloc *** |
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96 | !!---------------------------------------------------------------------- |
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97 | ! |
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98 | ! ALLOCATE here the arrays specific to MY_TRC |
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99 | ! ALLOCATE( tab(...) , STAT=trc_sms_my_trc_alloc ) |
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100 | trc_sms_my_trc_alloc = 0 ! set to zero if no array to be allocated |
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101 | ! |
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102 | IF( trc_sms_my_trc_alloc /= 0 ) CALL ctl_warn('trc_sms_my_trc_alloc : failed to allocate arrays') |
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103 | ! |
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104 | END FUNCTION trc_sms_my_trc_alloc |
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105 | |
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106 | |
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107 | #else |
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108 | !!---------------------------------------------------------------------- |
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109 | !! Dummy module No MY_TRC model |
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110 | !!---------------------------------------------------------------------- |
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111 | CONTAINS |
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112 | SUBROUTINE trc_sms_my_trc( kt ) ! Empty routine |
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113 | INTEGER, INTENT( in ) :: kt |
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114 | WRITE(*,*) 'trc_sms_my_trc: You should not have seen this print! error?', kt |
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115 | END SUBROUTINE trc_sms_my_trc |
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116 | #endif |
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117 | |
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118 | !!====================================================================== |
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119 | END MODULE trcsms_my_trc |
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