[3443] | 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 ! shared variables between ocean and passive tracers |
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| 17 | USE trc ! passive tracers common variables |
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| 18 | USE sms_pisces ! PISCES Source Minus Sink variables |
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| 19 | USE p4zsink ! vertical flux of particulate matter due to sinking |
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| 20 | USE p4zopt ! optical model |
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| 21 | USE p4zlim ! Co-limitations of differents nutrients |
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| 22 | USE p4zprod ! Growth rate of the 2 phyto groups |
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| 23 | USE p4zmort ! Mortality terms for phytoplankton |
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| 24 | USE p4zmicro ! Sources and sinks of microzooplankton |
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| 25 | USE p4zmeso ! Sources and sinks of mesozooplankton |
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| 26 | USE p4zrem ! Remineralisation of organic matter |
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| 27 | USE p4zfechem |
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| 28 | USE prtctl_trc ! print control for debugging |
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| 29 | USE iom ! I/O manager |
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| 30 | |
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| 31 | IMPLICIT NONE |
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| 32 | PRIVATE |
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| 33 | |
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| 34 | PUBLIC p4z_bio |
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| 35 | |
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| 36 | !!* Substitution |
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| 37 | # include "top_substitute.h90" |
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| 38 | !!---------------------------------------------------------------------- |
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| 39 | !! NEMO/TOP 3.3 , NEMO Consortium (2010) |
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| 40 | !! $Id: p4zbio.F90 3160 2011-11-20 14:27:18Z cetlod $ |
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| 41 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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| 42 | !!---------------------------------------------------------------------- |
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| 43 | |
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| 44 | CONTAINS |
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| 45 | |
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| 46 | SUBROUTINE p4z_bio ( kt, jnt ) |
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| 47 | !!--------------------------------------------------------------------- |
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| 48 | !! *** ROUTINE p4z_bio *** |
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| 49 | !! |
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| 50 | !! ** Purpose : Ecosystem model in the whole ocean: computes the |
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| 51 | !! different interactions between the different compartments |
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| 52 | !! of PISCES |
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| 53 | !! |
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| 54 | !! ** Method : - ??? |
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| 55 | !!--------------------------------------------------------------------- |
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| 56 | INTEGER, INTENT(in) :: kt, jnt |
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| 57 | INTEGER :: ji, jj, jk, jn |
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| 58 | REAL(wp) :: ztra |
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| 59 | #if defined key_kriest |
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| 60 | REAL(wp) :: zcoef1, zcoef2 |
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| 61 | #endif |
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| 62 | CHARACTER (len=25) :: charout |
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| 63 | |
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| 64 | !!--------------------------------------------------------------------- |
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| 65 | ! |
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| 66 | IF( nn_timing == 1 ) CALL timing_start('p4z_bio') |
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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(:,:,:) = 1. |
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| 72 | !!gm the use of nmld should be better here? |
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| 73 | DO jk = 2, jpkm1 |
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| 74 | DO jj = 1, jpj |
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| 75 | DO ji = 1, jpi |
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| 76 | IF( fsdepw(ji,jj,jk+1) > hmld(ji,jj) ) xdiss(ji,jj,jk) = 0.01 |
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| 77 | END DO |
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| 78 | END DO |
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| 79 | END DO |
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| 80 | |
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| 81 | |
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[3531] | 82 | CALL p4z_opt ( kt, jnt ) ! Optic: PAR in the water column |
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[3443] | 83 | CALL p4z_sink ( kt, jnt ) ! vertical flux of particulate organic matter |
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| 84 | CALL p4z_fechem(kt, jnt ) ! Iron chemistry/scavenging |
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[3446] | 85 | CALL p4z_lim ( kt, jnt ) ! co-limitations by the various nutrients |
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[3443] | 86 | CALL p4z_prod ( kt, jnt ) ! phytoplankton growth rate over the global ocean. |
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| 87 | ! ! (for each element : C, Si, Fe, Chl ) |
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| 88 | CALL p4z_rem ( kt, jnt ) ! remineralization terms of organic matter+scavenging of Fe |
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| 89 | CALL p4z_mort ( kt ) ! phytoplankton mortality |
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| 90 | ! ! zooplankton sources/sinks routines |
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[3446] | 91 | CALL p4z_micro( kt, jnt ) ! microzooplankton |
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[3443] | 92 | CALL p4z_meso ( kt, jnt ) ! mesozooplankton |
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| 93 | |
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| 94 | ! ! test if tracers concentrations fall below 0. |
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| 95 | xnegtr(:,:,:) = 1.e0 |
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| 96 | DO jn = jp_pcs0, jp_pcs1 |
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| 97 | DO jk = 1, jpk |
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| 98 | DO jj = 1, jpj |
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| 99 | DO ji = 1, jpi |
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[3494] | 100 | IF( ( trn(ji,jj,jk,jn) + tra(ji,jj,jk,jn) ) < 0.e0 ) THEN |
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| 101 | ztra = ABS( trn(ji,jj,jk,jn) ) / ( ABS( tra(ji,jj,jk,jn) ) + rtrn ) |
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| 102 | |
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| 103 | xnegtr(ji,jj,jk) = MIN( xnegtr(ji,jj,jk), ztra ) |
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[3443] | 104 | ENDIF |
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| 105 | END DO |
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| 106 | END DO |
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| 107 | END DO |
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| 108 | END DO |
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| 109 | ! ! where at least 1 tracer concentration becomes negative |
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| 110 | ! ! |
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| 111 | DO jn = jp_pcs0, jp_pcs1 |
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| 112 | trn(:,:,:,jn) = trn(:,:,:,jn) + xnegtr(:,:,:) * tra(:,:,:,jn) |
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| 113 | END DO |
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| 114 | |
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| 115 | |
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| 116 | tra(:,:,:,:) = 0.e0 |
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| 117 | |
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| 118 | #if defined key_kriest |
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| 119 | ! |
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| 120 | zcoef1 = 1.e0 / xkr_massp |
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| 121 | zcoef2 = 1.e0 / xkr_massp / 1.1 |
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| 122 | DO jk = 1,jpkm1 |
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| 123 | trn(:,:,jk,jpnum) = MAX( trn(:,:,jk,jpnum), trn(:,:,jk,jppoc) * zcoef1 / xnumm(jk) ) |
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| 124 | trn(:,:,jk,jpnum) = MIN( trn(:,:,jk,jpnum), trn(:,:,jk,jppoc) * zcoef2 ) |
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| 125 | END DO |
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| 126 | #endif |
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| 127 | |
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| 128 | ! |
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| 129 | IF(ln_ctl) THEN ! print mean trends (used for debugging) |
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| 130 | WRITE(charout, FMT="('bio ')") |
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| 131 | CALL prt_ctl_trc_info(charout) |
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| 132 | CALL prt_ctl_trc(tab4d=trn, mask=tmask, clinfo=ctrcnm) |
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| 133 | ENDIF |
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| 134 | ! |
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| 135 | IF( nn_timing == 1 ) CALL timing_stop('p4z_bio') |
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| 136 | ! |
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| 137 | END SUBROUTINE p4z_bio |
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| 138 | |
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| 139 | #else |
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| 140 | !!====================================================================== |
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| 141 | !! Dummy module : No PISCES bio-model |
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| 142 | !!====================================================================== |
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| 143 | CONTAINS |
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| 144 | SUBROUTINE p4z_bio ! Empty routine |
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| 145 | END SUBROUTINE p4z_bio |
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| 146 | #endif |
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| 147 | |
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| 148 | !!====================================================================== |
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| 149 | END MODULE p4zbio |
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