1 | MODULE trczdf |
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2 | !!============================================================================== |
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3 | !! *** MODULE trczdf *** |
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4 | !! Ocean Passive tracers : vertical diffusive trends |
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5 | !!===================================================================== |
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6 | !! History : 9.0 ! 2005-11 (G. Madec) Original code |
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7 | !! NEMO 3.0 ! 2008-01 (C. Ethe, G. Madec) merge TRC-TRA |
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8 | !! 4.0 ! 2017-04 (G. Madec) remove the explicit case |
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9 | !!---------------------------------------------------------------------- |
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10 | #if defined key_top |
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11 | !!---------------------------------------------------------------------- |
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12 | !! 'key_top' TOP models |
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13 | !!---------------------------------------------------------------------- |
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14 | !! trc_zdf : update the tracer trend with the vertical diffusion |
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15 | !!---------------------------------------------------------------------- |
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16 | USE trc ! ocean passive tracers variables |
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17 | USE oce_trc ! ocean dynamics and active tracers |
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18 | USE trd_oce ! trends: ocean variables |
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19 | USE trazdf ! tracer: vertical diffusion |
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20 | !!gm do we really need this ? |
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21 | USE trcldf ! passive tracers: lateral diffusion |
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22 | !!gm |
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23 | USE trdtra ! trends manager: tracers |
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24 | USE prtctl_trc ! Print control |
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25 | |
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26 | IMPLICIT NONE |
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27 | PRIVATE |
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28 | |
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29 | PUBLIC trc_zdf ! called by step.F90 |
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30 | |
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31 | !!---------------------------------------------------------------------- |
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32 | !! NEMO/TOP 4.0 , NEMO Consortium (2018) |
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33 | !! $Id$ |
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34 | !! Software governed by the CeCILL license (see ./LICENSE) |
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35 | !!---------------------------------------------------------------------- |
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36 | CONTAINS |
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37 | |
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38 | SUBROUTINE trc_zdf( kt, Kbb, Kmm, Krhs, ptr, Kaa ) |
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39 | !!---------------------------------------------------------------------- |
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40 | !! *** ROUTINE trc_zdf *** |
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41 | !! |
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42 | !! ** Purpose : compute the vertical ocean tracer physics using |
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43 | !! an implicit time-stepping scheme. |
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44 | !!--------------------------------------------------------------------- |
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45 | INTEGER , INTENT(in ) :: kt ! ocean time-step index |
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46 | INTEGER , INTENT(in ) :: Kbb, Kmm, Krhs, Kaa ! ocean time level indices |
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47 | REAL(wp), DIMENSION(jpi,jpj,jpk,jptra,jpt), INTENT(inout) :: ptr ! passive tracers and RHS of tracer equation |
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48 | ! |
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49 | INTEGER :: jk, jn |
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50 | CHARACTER (len=22) :: charout |
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51 | REAL(wp), DIMENSION(jpi,jpj,jpk,jptra) :: ztrtrd ! 4D workspace |
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52 | !!--------------------------------------------------------------------- |
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53 | ! |
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54 | IF( ln_timing ) CALL timing_start('trc_zdf') |
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55 | ! |
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56 | IF( l_trdtrc ) ztrtrd(:,:,:,:) = ptr(:,:,:,:,Krhs) |
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57 | ! |
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58 | CALL tra_zdf_imp( kt, nittrc000, 'TRC', rDt_trc, Kbb, Kmm, Krhs, ptr, Kaa, jptra ) ! implicit scheme |
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59 | ! |
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60 | IF( l_trdtrc ) THEN ! save the vertical diffusive trends for further diagnostics |
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61 | DO jn = 1, jptra |
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62 | DO jk = 1, jpkm1 |
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63 | ztrtrd(:,:,jk,jn) = ( ( ptr(:,:,jk,jn,Kaa) - ptr(:,:,jk,jn,Kbb) ) / rDt_trc ) - ztrtrd(:,:,jk,jn) |
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64 | END DO |
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65 | CALL trd_tra( kt, Kmm, Krhs, 'TRC', jn, jptra_zdf, ztrtrd(:,:,:,jn) ) |
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66 | END DO |
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67 | ENDIF |
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68 | ! ! print mean trends (used for debugging) |
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69 | IF( sn_cfctl%l_prttrc ) THEN |
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70 | WRITE(charout, FMT="('zdf ')") |
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71 | CALL prt_ctl_trc_info(charout) |
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72 | CALL prt_ctl_trc( tab4d=tr(:,:,:,:,Kaa), mask=tmask, clinfo=ctrcnm, clinfo2='trd' ) |
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73 | END IF |
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74 | ! |
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75 | IF( ln_timing ) CALL timing_stop('trc_zdf') |
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76 | ! |
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77 | END SUBROUTINE trc_zdf |
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78 | |
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79 | #else |
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80 | !!---------------------------------------------------------------------- |
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81 | !! Default option Empty module |
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82 | !!---------------------------------------------------------------------- |
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83 | CONTAINS |
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84 | SUBROUTINE trc_zdf( kt ) |
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85 | INTEGER, INTENT(in) :: kt |
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86 | WRITE(*,*) 'trc_zdf: You should not have seen this print! error?', kt |
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87 | END SUBROUTINE trc_zdf |
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88 | #endif |
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89 | !!============================================================================== |
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90 | END MODULE trczdf |
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