[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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[1119] | 17 | USE trc ! |
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[1073] | 18 | USE sms_pisces ! |
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[935] | 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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[1457] | 28 | USE iom |
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| 29 | |
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[935] | 30 | IMPLICIT NONE |
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| 31 | PRIVATE |
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| 32 | |
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[1073] | 33 | PUBLIC p4z_bio |
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[935] | 34 | |
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| 35 | !! * Shared module variables |
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| 36 | REAL(wp), PUBLIC, DIMENSION(jpi,jpj,jpk) :: & !: |
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| 37 | xnegtr ! Array used to indicate negative tracer values |
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| 38 | |
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| 39 | |
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| 40 | !!* Substitution |
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| 41 | # include "domzgr_substitute.h90" |
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| 42 | !!---------------------------------------------------------------------- |
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| 43 | !! NEMO/TOP 2.0 , LOCEAN-IPSL (2007) |
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[1152] | 44 | !! $Id$ |
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[935] | 45 | !! Software governed by the CeCILL licence (modipsl/doc/NEMO_CeCILL.txt) |
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| 46 | !!---------------------------------------------------------------------- |
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| 47 | |
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| 48 | CONTAINS |
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| 49 | |
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| 50 | SUBROUTINE p4z_bio ( kt, jnt ) |
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| 51 | !!--------------------------------------------------------------------- |
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| 52 | !! *** ROUTINE p4z_bio *** |
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| 53 | !! |
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| 54 | !! ** Purpose : Ecosystem model in the whole ocean: computes the |
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| 55 | !! different interactions between the different compartments |
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| 56 | !! of PISCES |
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| 57 | !! |
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| 58 | !! ** Method : - ??? |
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| 59 | !!--------------------------------------------------------------------- |
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| 60 | INTEGER, INTENT(in) :: kt, jnt |
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| 61 | INTEGER :: ji, jj, jk, jn |
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[1289] | 62 | REAL(wp) :: ztra |
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[935] | 63 | #if defined key_kriest |
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| 64 | REAL(wp) :: zcoef1, zcoef2 |
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| 65 | #endif |
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| 66 | CHARACTER (len=25) :: charout |
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| 67 | |
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| 68 | !!--------------------------------------------------------------------- |
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| 69 | |
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| 70 | ! ASSIGN THE SHEAR RATE THAT IS USED FOR AGGREGATION |
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| 71 | ! OF PHYTOPLANKTON AND DETRITUS |
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| 72 | |
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[1289] | 73 | xdiss(:,:,:) = 1. |
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[935] | 74 | !!gm the use of nmld should be better here? |
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[1289] | 75 | DO jk = 2, jpkm1 |
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[935] | 76 | DO jj = 1, jpj |
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| 77 | DO ji = 1, jpi |
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[1289] | 78 | IF( fsdepw(ji,jj,jk+1) > hmld(ji,jj) ) xdiss(ji,jj,jk) = 0.01 |
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[935] | 79 | END DO |
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| 80 | END DO |
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| 81 | END DO |
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| 82 | |
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| 83 | |
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| 84 | CALL p4z_sink ( kt, jnt ) ! vertical flux of particulate organic matter |
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| 85 | CALL p4z_opt ( kt, jnt ) ! Optic: PAR in the water column |
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| 86 | CALL p4z_lim ( kt, jnt ) ! co-limitations by the various nutrients |
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| 87 | CALL p4z_prod ( kt, jnt ) ! phytoplankton growth rate over the global ocean. |
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| 88 | ! ! (for each element : C, Si, Fe, Chl ) |
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| 89 | CALL p4z_rem ( kt, jnt ) ! remineralization terms of organic matter+scavenging of Fe |
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| 90 | CALL p4z_mort ( kt, jnt ) ! phytoplankton mortality |
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| 91 | ! ! zooplankton sources/sinks routines |
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| 92 | CALL p4z_micro( kt, jnt ) ! microzooplankton |
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| 93 | CALL p4z_meso ( kt, jnt ) ! mesozooplankton |
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| 94 | |
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[1289] | 95 | ! ! test if tracers concentrations fall below 0. |
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[935] | 96 | xnegtr(:,:,:) = 1.e0 |
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| 97 | DO jn = jp_pcs0, jp_pcs1 |
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| 98 | DO jk = 1, jpk |
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| 99 | DO jj = 1, jpj |
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| 100 | DO ji = 1, jpi |
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[1289] | 101 | IF( ( trn(ji,jj,jk,jn) + tra(ji,jj,jk,jn) ) < 0.e0 ) THEN |
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| 102 | ztra = ABS( ( trn(ji,jj,jk,jn) - rtrn ) & |
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| 103 | / ( tra(ji,jj,jk,jn) + rtrn ) ) |
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| 104 | xnegtr(ji,jj,jk) = MIN( xnegtr(ji,jj,jk), ztra ) |
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| 105 | ENDIF |
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| 106 | END DO |
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[935] | 107 | END DO |
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| 108 | END DO |
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| 109 | END DO |
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| 110 | ! ! where at least 1 tracer concentration becomes negative |
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[1289] | 111 | ! ! |
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[935] | 112 | DO jn = jp_pcs0, jp_pcs1 |
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| 113 | trn(:,:,:,jn) = trn(:,:,:,jn) + xnegtr(:,:,:) * tra(:,:,:,jn) |
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| 114 | END DO |
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| 115 | |
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| 116 | |
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| 117 | tra(:,:,:,:) = 0.e0 |
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| 118 | |
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| 119 | #if defined key_kriest |
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| 120 | ! |
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| 121 | zcoef1 = 1.e0 / xkr_massp |
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| 122 | zcoef2 = 1.e0 / xkr_massp / 1.1 |
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| 123 | DO jk = 1,jpkm1 |
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| 124 | trn(:,:,jk,jpnum) = MAX( trn(:,:,jk,jpnum), trn(:,:,jk,jppoc) * zcoef1 / xnumm(jk) ) |
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| 125 | trn(:,:,jk,jpnum) = MIN( trn(:,:,jk,jpnum), trn(:,:,jk,jppoc) * zcoef2 ) |
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| 126 | END DO |
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| 127 | #endif |
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| 128 | |
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| 129 | ! |
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| 130 | IF(ln_ctl) THEN ! print mean trends (used for debugging) |
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| 131 | WRITE(charout, FMT="('bio ')") |
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| 132 | CALL prt_ctl_trc_info(charout) |
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| 133 | CALL prt_ctl_trc(tab4d=trn, mask=tmask, clinfo=ctrcnm) |
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| 134 | ENDIF |
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| 135 | ! |
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| 136 | END SUBROUTINE p4z_bio |
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| 137 | |
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| 138 | #else |
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| 139 | !!====================================================================== |
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| 140 | !! Dummy module : No PISCES bio-model |
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| 141 | !!====================================================================== |
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| 142 | CONTAINS |
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| 143 | SUBROUTINE p4z_bio ! Empty routine |
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| 144 | END SUBROUTINE p4z_bio |
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| 145 | #endif |
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| 146 | |
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| 147 | !!====================================================================== |
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| 148 | END MODULE p4zbio |
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