[935] | 1 | MODULE p4zbio |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE p4zbio *** |
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| 4 | !! TOP : PISCES bio-model |
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| 5 | !!====================================================================== |
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| 6 | !! History : 1.0 ! 2004 (O. Aumont) Original code |
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| 7 | !! 2.0 ! 2007-12 (C. Ethe, G. Madec) F90 |
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| 8 | !!---------------------------------------------------------------------- |
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| 9 | #if defined key_pisces |
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| 10 | !!---------------------------------------------------------------------- |
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| 11 | !! 'key_pisces' PISCES bio-model |
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| 12 | !!---------------------------------------------------------------------- |
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| 13 | !! p4z_bio : computes the interactions between the different |
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| 14 | !! compartments of PISCES |
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| 15 | !!---------------------------------------------------------------------- |
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| 16 | USE oce_trc ! |
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| 17 | USE trp_trc ! |
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| 18 | USE sms ! |
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| 19 | USE p4zsink ! |
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| 20 | USE p4zopt ! |
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| 21 | USE p4zlim ! |
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| 22 | USE p4zprod ! |
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| 23 | USE p4zmort ! |
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| 24 | USE p4zmicro ! |
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| 25 | USE p4zmeso ! |
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| 26 | USE p4zrem ! |
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| 27 | USE prtctl_trc |
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| 28 | |
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| 29 | IMPLICIT NONE |
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| 30 | PRIVATE |
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| 31 | |
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| 32 | PUBLIC p4z_bio ! called in p4zprg.F90 |
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| 33 | |
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| 34 | !! * Shared module variables |
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| 35 | REAL(wp), PUBLIC, DIMENSION(jpi,jpj,jpk) :: & !: |
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| 36 | xnegtr ! Array used to indicate negative tracer values |
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| 37 | |
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| 38 | |
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| 39 | !!* Substitution |
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| 40 | # include "domzgr_substitute.h90" |
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| 41 | !!---------------------------------------------------------------------- |
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| 42 | !! NEMO/TOP 2.0 , LOCEAN-IPSL (2007) |
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| 43 | !! $Header:$ |
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| 44 | !! Software governed by the CeCILL licence (modipsl/doc/NEMO_CeCILL.txt) |
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| 45 | !!---------------------------------------------------------------------- |
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| 46 | |
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| 47 | CONTAINS |
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| 48 | |
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| 49 | SUBROUTINE p4z_bio ( kt, jnt ) |
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| 50 | !!--------------------------------------------------------------------- |
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| 51 | !! *** ROUTINE p4z_bio *** |
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| 52 | !! |
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| 53 | !! ** Purpose : Ecosystem model in the whole ocean: computes the |
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| 54 | !! different interactions between the different compartments |
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| 55 | !! of PISCES |
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| 56 | !! |
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| 57 | !! ** Method : - ??? |
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| 58 | !!--------------------------------------------------------------------- |
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| 59 | INTEGER, INTENT(in) :: kt, jnt |
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| 60 | INTEGER :: ji, jj, jk, jn |
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| 61 | #if defined key_kriest |
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| 62 | REAL(wp) :: zcoef1, zcoef2 |
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| 63 | #endif |
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| 64 | CHARACTER (len=25) :: charout |
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| 65 | |
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| 66 | !!--------------------------------------------------------------------- |
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| 67 | |
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| 68 | ! ASSIGN THE SHEAR RATE THAT IS USED FOR AGGREGATION |
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| 69 | ! OF PHYTOPLANKTON AND DETRITUS |
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| 70 | |
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| 71 | xdiss(:,:,:) = 0.01 |
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| 72 | |
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| 73 | !!gm the use of nmld should be better here? |
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| 74 | DO jk = 1, jpkm1 |
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| 75 | DO jj = 1, jpj |
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| 76 | DO ji = 1, jpi |
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| 77 | IF( fsdepw(ji,jj,jk+1) .le. hmld(ji,jj) ) xdiss(ji,jj,jk) = 1.e0 |
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| 78 | END DO |
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| 79 | END DO |
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| 80 | END DO |
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| 81 | |
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| 82 | |
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| 83 | CALL p4z_sink ( kt, jnt ) ! vertical flux of particulate organic matter |
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| 84 | |
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| 85 | CALL p4z_opt ( kt, jnt ) ! Optic: PAR in the water column |
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| 86 | |
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| 87 | CALL p4z_lim ( kt, jnt ) ! co-limitations by the various nutrients |
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| 88 | |
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| 89 | CALL p4z_prod ( kt, jnt ) ! phytoplankton growth rate over the global ocean. |
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| 90 | ! ! (for each element : C, Si, Fe, Chl ) |
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| 91 | |
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| 92 | CALL p4z_rem ( kt, jnt ) ! remineralization terms of organic matter+scavenging of Fe |
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| 93 | |
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| 94 | CALL p4z_mort ( kt, jnt ) ! phytoplankton mortality |
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| 95 | |
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| 96 | ! ! zooplankton sources/sinks routines |
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| 97 | CALL p4z_micro( kt, jnt ) ! microzooplankton |
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| 98 | CALL p4z_meso ( kt, jnt ) ! mesozooplankton |
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| 99 | |
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| 100 | |
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| 101 | ! ! test if tracers concentrations fall below 0. |
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| 102 | xnegtr(:,:,:) = 1.e0 |
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| 103 | DO jn = jp_pcs0, jp_pcs1 |
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| 104 | DO jk = 1, jpk |
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| 105 | DO jj = 1, jpj |
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| 106 | DO ji = 1, jpi |
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| 107 | IF( ( trn(ji,jj,jk,jn) + tra(ji,jj,jk,jn) ) < 0.e0 ) xnegtr(ji,jj,jk) = 0.e0 |
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| 108 | END DO |
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| 109 | END DO |
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| 110 | END DO |
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| 111 | END DO |
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| 112 | ! ! where at least 1 tracer concentration becomes negative |
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| 113 | ! ! all tracer tendancy are set to zero (i.e. trn = trb) |
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| 114 | DO jn = jp_pcs0, jp_pcs1 |
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| 115 | trn(:,:,:,jn) = trn(:,:,:,jn) + xnegtr(:,:,:) * tra(:,:,:,jn) |
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| 116 | END DO |
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| 117 | |
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| 118 | |
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| 119 | tra(:,:,:,:) = 0.e0 |
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| 120 | |
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| 121 | #if defined key_kriest |
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| 122 | ! |
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| 123 | zcoef1 = 1.e0 / xkr_massp |
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| 124 | zcoef2 = 1.e0 / xkr_massp / 1.1 |
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| 125 | DO jk = 1,jpkm1 |
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| 126 | trn(:,:,jk,jpnum) = MAX( trn(:,:,jk,jpnum), trn(:,:,jk,jppoc) * zcoef1 / xnumm(jk) ) |
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| 127 | trn(:,:,jk,jpnum) = MIN( trn(:,:,jk,jpnum), trn(:,:,jk,jppoc) * zcoef2 ) |
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| 128 | END DO |
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| 129 | #endif |
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| 130 | |
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| 131 | |
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| 132 | # if defined key_trc_dia3d && defined key_kriest |
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| 133 | !!gm potential bug hard coded index on trc3d |
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| 134 | trc3d(:,:,:,11) = tra(:,:,:,jpcal) * xnegtr(:,:,:) * 1.e3 * rfact2r |
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| 135 | # endif |
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| 136 | ! |
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| 137 | IF(ln_ctl) THEN ! print mean trends (used for debugging) |
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| 138 | WRITE(charout, FMT="('bio ')") |
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| 139 | CALL prt_ctl_trc_info(charout) |
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| 140 | CALL prt_ctl_trc(tab4d=trn, mask=tmask, clinfo=ctrcnm) |
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| 141 | ENDIF |
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| 142 | ! |
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| 143 | END SUBROUTINE p4z_bio |
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| 144 | |
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| 145 | #else |
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| 146 | !!====================================================================== |
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| 147 | !! Dummy module : No PISCES bio-model |
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| 148 | !!====================================================================== |
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| 149 | CONTAINS |
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| 150 | SUBROUTINE p4z_bio ! Empty routine |
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| 151 | END SUBROUTINE p4z_bio |
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| 152 | #endif |
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| 153 | |
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| 154 | !!====================================================================== |
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| 155 | END MODULE p4zbio |
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