[935] | 1 | MODULE p4zsink |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE p4zsink *** |
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[3294] | 4 | !! TOP : PISCES vertical flux of particulate matter due to gravitational sinking |
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[935] | 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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[3294] | 8 | !! 3.4 ! 2011-06 (O. Aumont, C. Ethe) Change aggregation formula |
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| 9 | !!---------------------------------------------------------------------- |
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[935] | 10 | #if defined key_pisces |
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| 11 | !!---------------------------------------------------------------------- |
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| 12 | !! p4z_sink : Compute vertical flux of particulate matter due to gravitational sinking |
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[3294] | 13 | !! p4z_sink_init : Unitialisation of sinking speed parameters |
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| 14 | !! p4z_sink_alloc : Allocate sinking speed variables |
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[935] | 15 | !!---------------------------------------------------------------------- |
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[3294] | 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 prtctl_trc ! print control for debugging |
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| 20 | USE iom ! I/O manager |
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[3558] | 21 | USE lib_fortran ! Fortran utilities (allows no signed zero when 'key_nosignedzero' defined) |
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[935] | 22 | |
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| 23 | IMPLICIT NONE |
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| 24 | PRIVATE |
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| 25 | |
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[2528] | 26 | PUBLIC p4z_sink ! called in p4zbio.F90 |
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| 27 | PUBLIC p4z_sink_init ! called in trcsms_pisces.F90 |
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[2715] | 28 | PUBLIC p4z_sink_alloc |
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[935] | 29 | |
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[2715] | 30 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: wsbio3 !: POC sinking speed |
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| 31 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: wsbio4 !: GOC sinking speed |
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| 32 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: wscal !: Calcite and BSi sinking speeds |
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[935] | 33 | |
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[2715] | 34 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: sinking, sinking2 !: POC sinking fluxes |
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| 35 | ! ! (different meanings depending on the parameterization) |
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| 36 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: sinkcal, sinksil !: CaCO3 and BSi sinking fluxes |
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| 37 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: sinkfer !: Small BFe sinking fluxes |
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| 38 | #if ! defined key_kriest |
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| 39 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: sinkfer2 !: Big iron sinking fluxes |
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| 40 | #endif |
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[935] | 41 | |
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[2715] | 42 | INTEGER :: iksed = 10 |
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[1457] | 43 | |
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[935] | 44 | #if defined key_kriest |
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[2715] | 45 | REAL(wp) :: xkr_sfact = 250. !: Sinking factor |
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| 46 | REAL(wp) :: xkr_stick = 0.2 !: Stickiness |
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| 47 | REAL(wp) :: xkr_nnano = 2.337 !: Nbr of cell in nano size class |
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| 48 | REAL(wp) :: xkr_ndiat = 3.718 !: Nbr of cell in diatoms size class |
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| 49 | REAL(wp) :: xkr_nmeso = 7.147 !: Nbr of cell in mesozoo size class |
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| 50 | REAL(wp) :: xkr_naggr = 9.877 !: Nbr of cell in aggregates size class |
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[935] | 51 | |
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[2715] | 52 | REAL(wp) :: xkr_frac |
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[935] | 53 | |
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[2715] | 54 | REAL(wp), PUBLIC :: xkr_dnano !: Size of particles in nano pool |
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| 55 | REAL(wp), PUBLIC :: xkr_ddiat !: Size of particles in diatoms pool |
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| 56 | REAL(wp), PUBLIC :: xkr_dmeso !: Size of particles in mesozoo pool |
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| 57 | REAL(wp), PUBLIC :: xkr_daggr !: Size of particles in aggregates pool |
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| 58 | REAL(wp), PUBLIC :: xkr_wsbio_min !: min vertical particle speed |
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| 59 | REAL(wp), PUBLIC :: xkr_wsbio_max !: max vertical particle speed |
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[935] | 60 | |
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[2715] | 61 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:) :: xnumm !: maximum number of particles in aggregates |
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[935] | 62 | #endif |
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| 63 | |
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| 64 | !!* Substitution |
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[1800] | 65 | # include "top_substitute.h90" |
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[935] | 66 | !!---------------------------------------------------------------------- |
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[2528] | 67 | !! NEMO/TOP 3.3 , NEMO Consortium (2010) |
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[1152] | 68 | !! $Id$ |
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[2715] | 69 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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[935] | 70 | !!---------------------------------------------------------------------- |
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| 71 | CONTAINS |
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| 72 | |
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| 73 | #if defined key_kriest |
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[2715] | 74 | !!---------------------------------------------------------------------- |
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| 75 | !! 'key_kriest' ??? |
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| 76 | !!---------------------------------------------------------------------- |
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[935] | 77 | |
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| 78 | SUBROUTINE p4z_sink ( kt, jnt ) |
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| 79 | !!--------------------------------------------------------------------- |
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| 80 | !! *** ROUTINE p4z_sink *** |
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| 81 | !! |
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| 82 | !! ** Purpose : Compute vertical flux of particulate matter due to |
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| 83 | !! gravitational sinking - Kriest parameterization |
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| 84 | !! |
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| 85 | !! ** Method : - ??? |
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| 86 | !!--------------------------------------------------------------------- |
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[2715] | 87 | ! |
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[935] | 88 | INTEGER, INTENT(in) :: kt, jnt |
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[2715] | 89 | ! |
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[935] | 90 | INTEGER :: ji, jj, jk |
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| 91 | REAL(wp) :: zagg1, zagg2, zagg3, zagg4, zagg5, zaggsi, zaggsh |
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| 92 | REAL(wp) :: zagg , zaggdoc, znumdoc |
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| 93 | REAL(wp) :: znum , zeps, zfm, zgm, zsm |
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| 94 | REAL(wp) :: zdiv , zdiv1, zdiv2, zdiv3, zdiv4, zdiv5 |
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| 95 | REAL(wp) :: zval1, zval2, zval3, zval4 |
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[1457] | 96 | REAL(wp) :: zrfact2 |
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[1836] | 97 | INTEGER :: ik1 |
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[935] | 98 | CHARACTER (len=25) :: charout |
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[3294] | 99 | REAL(wp), POINTER, DIMENSION(:,:,:) :: znum3d |
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[935] | 100 | !!--------------------------------------------------------------------- |
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[2715] | 101 | ! |
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[3294] | 102 | IF( nn_timing == 1 ) CALL timing_start('p4z_sink') |
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| 103 | ! |
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| 104 | CALL wrk_alloc( jpi, jpj, jpk, znum3d ) |
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| 105 | ! |
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[2528] | 106 | ! Initialisation of variables used to compute Sinking Speed |
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| 107 | ! --------------------------------------------------------- |
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[935] | 108 | |
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[2715] | 109 | znum3d(:,:,:) = 0.e0 |
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| 110 | zval1 = 1. + xkr_zeta |
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| 111 | zval2 = 1. + xkr_zeta + xkr_eta |
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| 112 | zval3 = 1. + xkr_eta |
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[935] | 113 | |
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[2715] | 114 | ! Computation of the vertical sinking speed : Kriest et Evans, 2000 |
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| 115 | ! ----------------------------------------------------------------- |
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[935] | 116 | |
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| 117 | DO jk = 1, jpkm1 |
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| 118 | DO jj = 1, jpj |
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| 119 | DO ji = 1, jpi |
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| 120 | IF( tmask(ji,jj,jk) /= 0.e0 ) THEN |
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| 121 | znum = trn(ji,jj,jk,jppoc) / ( trn(ji,jj,jk,jpnum) + rtrn ) / xkr_massp |
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[2528] | 122 | ! -------------- To avoid sinking speed over 50 m/day ------- |
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[935] | 123 | znum = MIN( xnumm(jk), znum ) |
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| 124 | znum = MAX( 1.1 , znum ) |
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| 125 | znum3d(ji,jj,jk) = znum |
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[2528] | 126 | !------------------------------------------------------------ |
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[935] | 127 | zeps = ( zval1 * znum - 1. )/ ( znum - 1. ) |
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| 128 | zfm = xkr_frac**( 1. - zeps ) |
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| 129 | zgm = xkr_frac**( zval1 - zeps ) |
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| 130 | zdiv = MAX( 1.e-4, ABS( zeps - zval2 ) ) * SIGN( 1., ( zeps - zval2 ) ) |
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| 131 | zdiv1 = zeps - zval3 |
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| 132 | wsbio3(ji,jj,jk) = xkr_wsbio_min * ( zeps - zval1 ) / zdiv & |
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[2715] | 133 | & - xkr_wsbio_max * zgm * xkr_eta / zdiv |
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[935] | 134 | wsbio4(ji,jj,jk) = xkr_wsbio_min * ( zeps-1. ) / zdiv1 & |
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[2715] | 135 | & - xkr_wsbio_max * zfm * xkr_eta / zdiv1 |
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[935] | 136 | IF( znum == 1.1) wsbio3(ji,jj,jk) = wsbio4(ji,jj,jk) |
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| 137 | ENDIF |
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| 138 | END DO |
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| 139 | END DO |
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| 140 | END DO |
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| 141 | |
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[2715] | 142 | wscal(:,:,:) = MAX( wsbio3(:,:,:), 50._wp ) |
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[935] | 143 | |
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[2528] | 144 | ! INITIALIZE TO ZERO ALL THE SINKING ARRAYS |
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| 145 | ! ----------------------------------------- |
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[935] | 146 | |
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| 147 | sinking (:,:,:) = 0.e0 |
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| 148 | sinking2(:,:,:) = 0.e0 |
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| 149 | sinkcal (:,:,:) = 0.e0 |
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| 150 | sinkfer (:,:,:) = 0.e0 |
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| 151 | sinksil (:,:,:) = 0.e0 |
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| 152 | |
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[2528] | 153 | ! Compute the sedimentation term using p4zsink2 for all the sinking particles |
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| 154 | ! ----------------------------------------------------- |
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[935] | 155 | |
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| 156 | CALL p4z_sink2( wsbio3, sinking , jppoc ) |
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| 157 | CALL p4z_sink2( wsbio4, sinking2, jpnum ) |
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| 158 | CALL p4z_sink2( wsbio3, sinkfer , jpsfe ) |
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[3295] | 159 | CALL p4z_sink2( wscal , sinksil , jpgsi ) |
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[935] | 160 | CALL p4z_sink2( wscal , sinkcal , jpcal ) |
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| 161 | |
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[2528] | 162 | ! Exchange between organic matter compartments due to coagulation/disaggregation |
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| 163 | ! --------------------------------------------------- |
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[935] | 164 | |
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| 165 | zval1 = 1. + xkr_zeta |
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| 166 | zval2 = 1. + xkr_eta |
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| 167 | zval3 = 3. + xkr_eta |
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| 168 | zval4 = 4. + xkr_eta |
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| 169 | |
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| 170 | DO jk = 1,jpkm1 |
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| 171 | DO jj = 1,jpj |
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| 172 | DO ji = 1,jpi |
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| 173 | IF( tmask(ji,jj,jk) /= 0.e0 ) THEN |
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| 174 | |
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| 175 | znum = trn(ji,jj,jk,jppoc)/(trn(ji,jj,jk,jpnum)+rtrn) / xkr_massp |
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[2528] | 176 | !-------------- To avoid sinking speed over 50 m/day ------- |
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[935] | 177 | znum = min(xnumm(jk),znum) |
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| 178 | znum = MAX( 1.1,znum) |
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[2528] | 179 | !------------------------------------------------------------ |
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[935] | 180 | zeps = ( zval1 * znum - 1.) / ( znum - 1.) |
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| 181 | zdiv = MAX( 1.e-4, ABS( zeps - zval3) ) * SIGN( 1., zeps - zval3 ) |
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| 182 | zdiv1 = MAX( 1.e-4, ABS( zeps - 4. ) ) * SIGN( 1., zeps - 4. ) |
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| 183 | zdiv2 = zeps - 2. |
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| 184 | zdiv3 = zeps - 3. |
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| 185 | zdiv4 = zeps - zval2 |
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| 186 | zdiv5 = 2.* zeps - zval4 |
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| 187 | zfm = xkr_frac**( 1.- zeps ) |
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| 188 | zsm = xkr_frac**xkr_eta |
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| 189 | |
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[2528] | 190 | ! Part I : Coagulation dependant on turbulence |
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| 191 | ! ---------------------------------------------- |
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[935] | 192 | |
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| 193 | zagg1 = ( 0.163 * trn(ji,jj,jk,jpnum)**2 & |
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| 194 | & * 2.*( (zfm-1.)*(zfm*xkr_mass_max**3-xkr_mass_min**3) & |
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| 195 | & * (zeps-1)/zdiv1 + 3.*(zfm*xkr_mass_max-xkr_mass_min) & |
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| 196 | & * (zfm*xkr_mass_max**2-xkr_mass_min**2) & |
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[3294] | 197 | & * (zeps-1.)**2/(zdiv2*zdiv3)) |
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| 198 | zagg2 = 2*0.163*trn(ji,jj,jk,jpnum)**2*zfm* & |
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[935] | 199 | & ((xkr_mass_max**3+3.*(xkr_mass_max**2 & |
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| 200 | & *xkr_mass_min*(zeps-1.)/zdiv2 & |
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| 201 | & +xkr_mass_max*xkr_mass_min**2*(zeps-1.)/zdiv3) & |
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| 202 | & +xkr_mass_min**3*(zeps-1)/zdiv1) & |
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| 203 | & -zfm*xkr_mass_max**3*(1.+3.*((zeps-1.)/ & |
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[3294] | 204 | & (zeps-2.)+(zeps-1.)/zdiv3)+(zeps-1.)/zdiv1)) |
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[935] | 205 | |
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[3294] | 206 | zagg3 = 0.163*trn(ji,jj,jk,jpnum)**2*zfm**2*8. * xkr_mass_max**3 |
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| 207 | |
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[2528] | 208 | ! Aggregation of small into large particles |
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| 209 | ! Part II : Differential settling |
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| 210 | ! ---------------------------------------------- |
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[935] | 211 | |
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[3294] | 212 | zagg4 = 2.*3.141*0.125*trn(ji,jj,jk,jpnum)**2* & |
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[935] | 213 | & xkr_wsbio_min*(zeps-1.)**2 & |
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| 214 | & *(xkr_mass_min**2*((1.-zsm*zfm)/(zdiv3*zdiv4) & |
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| 215 | & -(1.-zfm)/(zdiv*(zeps-1.)))- & |
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| 216 | & ((zfm*zfm*xkr_mass_max**2*zsm-xkr_mass_min**2) & |
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[3294] | 217 | & *xkr_eta)/(zdiv*zdiv3*zdiv5) ) |
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[935] | 218 | |
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[3294] | 219 | zagg5 = 2.*3.141*0.125*trn(ji,jj,jk,jpnum)**2 & |
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[935] | 220 | & *(zeps-1.)*zfm*xkr_wsbio_min & |
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| 221 | & *(zsm*(xkr_mass_min**2-zfm*xkr_mass_max**2) & |
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| 222 | & /zdiv3-(xkr_mass_min**2-zfm*zsm*xkr_mass_max**2) & |
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[3294] | 223 | & /zdiv) |
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[1264] | 224 | zaggsi = ( zagg4 + zagg5 ) * xstep / 10. |
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[935] | 225 | |
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| 226 | zagg = 0.5 * xkr_stick * ( zaggsh + zaggsi ) |
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| 227 | |
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[2528] | 228 | ! Aggregation of DOC to small particles |
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| 229 | ! -------------------------------------- |
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[935] | 230 | |
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| 231 | zaggdoc = ( 0.4 * trn(ji,jj,jk,jpdoc) & |
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[1264] | 232 | & + 1018. * trn(ji,jj,jk,jppoc) ) * xstep & |
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[3294] | 233 | & * xdiss(ji,jj,jk) * trn(ji,jj,jk,jpdoc) |
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| 234 | |
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[2528] | 235 | # if defined key_degrad |
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[3294] | 236 | zagg1 = zagg1 * facvol(ji,jj,jk) |
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| 237 | zagg2 = zagg2 * facvol(ji,jj,jk) |
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| 238 | zagg3 = zagg3 * facvol(ji,jj,jk) |
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| 239 | zagg4 = zagg4 * facvol(ji,jj,jk) |
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| 240 | zagg5 = zagg5 * facvol(ji,jj,jk) |
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| 241 | zaggdoc = zaggdoc * facvol(ji,jj,jk) |
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[935] | 242 | # endif |
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[3294] | 243 | zaggsh = ( zagg1 + zagg2 + zagg3 ) * rfact2 * xdiss(ji,jj,jk) / 1000. |
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| 244 | zaggsi = ( zagg4 + zagg5 ) * xstep / 10. |
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| 245 | zagg = 0.5 * xkr_stick * ( zaggsh + zaggsi ) |
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| 246 | ! |
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[935] | 247 | znumdoc = trn(ji,jj,jk,jpnum) / ( trn(ji,jj,jk,jppoc) + rtrn ) |
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| 248 | tra(ji,jj,jk,jppoc) = tra(ji,jj,jk,jppoc) + zaggdoc |
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| 249 | tra(ji,jj,jk,jpnum) = tra(ji,jj,jk,jpnum) + zaggdoc * znumdoc - zagg |
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| 250 | tra(ji,jj,jk,jpdoc) = tra(ji,jj,jk,jpdoc) - zaggdoc |
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| 251 | |
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| 252 | ENDIF |
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| 253 | END DO |
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| 254 | END DO |
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| 255 | END DO |
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| 256 | |
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[3294] | 257 | IF( ln_diatrc ) THEN |
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| 258 | ! |
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| 259 | ik1 = iksed + 1 |
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| 260 | zrfact2 = 1.e3 * rfact2r |
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| 261 | IF( jnt == nrdttrc ) THEN |
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| 262 | CALL iom_put( "POCFlx" , sinking (:,:,:) * zrfact2 * tmask(:,:,:) ) ! POC export |
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| 263 | CALL iom_put( "NumFlx" , sinking2 (:,:,:) * zrfact2 * tmask(:,:,:) ) ! Num export |
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| 264 | CALL iom_put( "SiFlx" , sinksil (:,:,:) * zrfact2 * tmask(:,:,:) ) ! Silica export |
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| 265 | CALL iom_put( "CaCO3Flx", sinkcal (:,:,:) * zrfact2 * tmask(:,:,:) ) ! Calcite export |
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| 266 | CALL iom_put( "xnum" , znum3d (:,:,:) * tmask(:,:,:) ) ! Number of particles in aggregats |
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| 267 | CALL iom_put( "W1" , wsbio3 (:,:,:) * tmask(:,:,:) ) ! sinking speed of POC |
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| 268 | CALL iom_put( "W2" , wsbio4 (:,:,:) * tmask(:,:,:) ) ! sinking speed of aggregats |
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| 269 | CALL iom_put( "PMO" , sinking (:,:,ik1) * zrfact2 * tmask(:,:,1) ) ! POC export at 100m |
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| 270 | CALL iom_put( "PMO2" , sinking2(:,:,ik1) * zrfact2 * tmask(:,:,1) ) ! Num export at 100m |
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| 271 | CALL iom_put( "ExpFe1" , sinkfer (:,:,ik1) * zrfact2 * tmask(:,:,1) ) ! Export of iron at 100m |
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| 272 | CALL iom_put( "ExpSi" , sinksil (:,:,ik1) * zrfact2 * tmask(:,:,1) ) ! export of silica at 100m |
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| 273 | CALL iom_put( "ExpCaCO3", sinkcal (:,:,ik1) * zrfact2 * tmask(:,:,1) ) ! export of calcite at 100m |
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| 274 | ENDIF |
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| 275 | # if ! defined key_iomput |
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| 276 | trc2d(:,: ,jp_pcs0_2d + 4) = sinking (:,:,ik1) * zrfact2 * tmask(:,:,1) |
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| 277 | trc2d(:,: ,jp_pcs0_2d + 5) = sinking2(:,:,ik1) * zrfact2 * tmask(:,:,1) |
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| 278 | trc2d(:,: ,jp_pcs0_2d + 6) = sinkfer (:,:,ik1) * zrfact2 * tmask(:,:,1) |
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| 279 | trc2d(:,: ,jp_pcs0_2d + 7) = sinksil (:,:,ik1) * zrfact2 * tmask(:,:,1) |
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| 280 | trc2d(:,: ,jp_pcs0_2d + 8) = sinkcal (:,:,ik1) * zrfact2 * tmask(:,:,1) |
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| 281 | trc3d(:,:,:,jp_pcs0_3d + 11) = sinking (:,:,:) * zrfact2 * tmask(:,:,:) |
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| 282 | trc3d(:,:,:,jp_pcs0_3d + 12) = sinking2(:,:,:) * zrfact2 * tmask(:,:,:) |
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| 283 | trc3d(:,:,:,jp_pcs0_3d + 13) = sinksil (:,:,:) * zrfact2 * tmask(:,:,:) |
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| 284 | trc3d(:,:,:,jp_pcs0_3d + 14) = sinkcal (:,:,:) * zrfact2 * tmask(:,:,:) |
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| 285 | trc3d(:,:,:,jp_pcs0_3d + 15) = znum3d (:,:,:) * tmask(:,:,:) |
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| 286 | trc3d(:,:,:,jp_pcs0_3d + 16) = wsbio3 (:,:,:) * tmask(:,:,:) |
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| 287 | trc3d(:,:,:,jp_pcs0_3d + 17) = wsbio4 (:,:,:) * tmask(:,:,:) |
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| 288 | # endif |
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| 289 | ! |
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| 290 | ENDIF |
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[935] | 291 | ! |
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[2715] | 292 | IF(ln_ctl) THEN ! print mean trends (used for debugging) |
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[935] | 293 | WRITE(charout, FMT="('sink')") |
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| 294 | CALL prt_ctl_trc_info(charout) |
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| 295 | CALL prt_ctl_trc(tab4d=tra, mask=tmask, clinfo=ctrcnm) |
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[2715] | 296 | ENDIF |
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| 297 | ! |
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[3404] | 298 | CALL wrk_dealloc( jpi, jpj, jpk, znum3d ) |
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[2715] | 299 | ! |
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[3294] | 300 | IF( nn_timing == 1 ) CALL timing_stop('p4z_sink') |
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| 301 | ! |
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[935] | 302 | END SUBROUTINE p4z_sink |
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| 303 | |
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[2715] | 304 | |
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[935] | 305 | SUBROUTINE p4z_sink_init |
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| 306 | !!---------------------------------------------------------------------- |
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| 307 | !! *** ROUTINE p4z_sink_init *** |
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| 308 | !! |
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| 309 | !! ** Purpose : Initialization of sinking parameters |
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| 310 | !! Kriest parameterization only |
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| 311 | !! |
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[1119] | 312 | !! ** Method : Read the nampiskrs namelist and check the parameters |
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[2528] | 313 | !! called at the first timestep |
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[935] | 314 | !! |
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[1119] | 315 | !! ** input : Namelist nampiskrs |
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[935] | 316 | !!---------------------------------------------------------------------- |
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| 317 | INTEGER :: jk, jn, kiter |
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| 318 | REAL(wp) :: znum, zdiv |
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| 319 | REAL(wp) :: zws, zwr, zwl,wmax, znummax |
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| 320 | REAL(wp) :: zmin, zmax, zl, zr, xacc |
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[2715] | 321 | ! |
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[1119] | 322 | NAMELIST/nampiskrs/ xkr_sfact, xkr_stick , & |
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[935] | 323 | & xkr_nnano, xkr_ndiat, xkr_nmeso, xkr_naggr |
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| 324 | !!---------------------------------------------------------------------- |
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[2715] | 325 | ! |
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[3294] | 326 | IF( nn_timing == 1 ) CALL timing_start('p4z_sink_init') |
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| 327 | ! |
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| 328 | REWIND( numnatp ) ! read nampiskrs |
---|
| 329 | READ ( numnatp, nampiskrs ) |
---|
[935] | 330 | |
---|
| 331 | IF(lwp) THEN |
---|
| 332 | WRITE(numout,*) |
---|
[1119] | 333 | WRITE(numout,*) ' Namelist : nampiskrs' |
---|
[935] | 334 | WRITE(numout,*) ' Sinking factor xkr_sfact = ', xkr_sfact |
---|
| 335 | WRITE(numout,*) ' Stickiness xkr_stick = ', xkr_stick |
---|
| 336 | WRITE(numout,*) ' Nbr of cell in nano size class xkr_nnano = ', xkr_nnano |
---|
| 337 | WRITE(numout,*) ' Nbr of cell in diatoms size class xkr_ndiat = ', xkr_ndiat |
---|
| 338 | WRITE(numout,*) ' Nbr of cell in mesozoo size class xkr_nmeso = ', xkr_nmeso |
---|
| 339 | WRITE(numout,*) ' Nbr of cell in aggregates size class xkr_naggr = ', xkr_naggr |
---|
[2715] | 340 | ENDIF |
---|
[935] | 341 | |
---|
| 342 | |
---|
[2715] | 343 | ! max and min vertical particle speed |
---|
| 344 | xkr_wsbio_min = xkr_sfact * xkr_mass_min**xkr_eta |
---|
| 345 | xkr_wsbio_max = xkr_sfact * xkr_mass_max**xkr_eta |
---|
| 346 | WRITE(numout,*) ' max and min vertical particle speed ', xkr_wsbio_min, xkr_wsbio_max |
---|
[935] | 347 | |
---|
[2715] | 348 | ! |
---|
| 349 | ! effect of the sizes of the different living pools on particle numbers |
---|
| 350 | ! nano = 2um-20um -> mean size=6.32 um -> ws=2.596 -> xnum=xnnano=2.337 |
---|
| 351 | ! diat and microzoo = 10um-200um -> 44.7 -> 8.732 -> xnum=xndiat=3.718 |
---|
| 352 | ! mesozoo = 200um-2mm -> 632.45 -> 45.14 -> xnum=xnmeso=7.147 |
---|
| 353 | ! aggregates = 200um-10mm -> 1414 -> 74.34 -> xnum=xnaggr=9.877 |
---|
| 354 | ! doc aggregates = 1um |
---|
| 355 | ! ---------------------------------------------------------- |
---|
[935] | 356 | |
---|
[2715] | 357 | xkr_dnano = 1. / ( xkr_massp * xkr_nnano ) |
---|
| 358 | xkr_ddiat = 1. / ( xkr_massp * xkr_ndiat ) |
---|
| 359 | xkr_dmeso = 1. / ( xkr_massp * xkr_nmeso ) |
---|
| 360 | xkr_daggr = 1. / ( xkr_massp * xkr_naggr ) |
---|
[935] | 361 | |
---|
| 362 | !!--------------------------------------------------------------------- |
---|
| 363 | !! 'key_kriest' ??? |
---|
| 364 | !!--------------------------------------------------------------------- |
---|
| 365 | ! COMPUTATION OF THE VERTICAL PROFILE OF MAXIMUM SINKING SPEED |
---|
| 366 | ! Search of the maximum number of particles in aggregates for each k-level. |
---|
| 367 | ! Bissection Method |
---|
| 368 | !-------------------------------------------------------------------- |
---|
| 369 | WRITE(numout,*) |
---|
| 370 | WRITE(numout,*)' kriest : Compute maximum number of particles in aggregates' |
---|
| 371 | |
---|
[2715] | 372 | xacc = 0.001_wp |
---|
[935] | 373 | kiter = 50 |
---|
[2715] | 374 | zmin = 1.10_wp |
---|
[935] | 375 | zmax = xkr_mass_max / xkr_mass_min |
---|
| 376 | xkr_frac = zmax |
---|
| 377 | |
---|
| 378 | DO jk = 1,jpk |
---|
| 379 | zl = zmin |
---|
| 380 | zr = zmax |
---|
[1736] | 381 | wmax = 0.5 * fse3t(1,1,jk) * rday / rfact2 |
---|
[935] | 382 | zdiv = xkr_zeta + xkr_eta - xkr_eta * zl |
---|
| 383 | znum = zl - 1. |
---|
| 384 | zwl = xkr_wsbio_min * xkr_zeta / zdiv & |
---|
| 385 | & - ( xkr_wsbio_max * xkr_eta * znum * & |
---|
| 386 | & xkr_frac**( -xkr_zeta / znum ) / zdiv ) & |
---|
| 387 | & - wmax |
---|
| 388 | |
---|
| 389 | zdiv = xkr_zeta + xkr_eta - xkr_eta * zr |
---|
| 390 | znum = zr - 1. |
---|
| 391 | zwr = xkr_wsbio_min * xkr_zeta / zdiv & |
---|
| 392 | & - ( xkr_wsbio_max * xkr_eta * znum * & |
---|
| 393 | & xkr_frac**( -xkr_zeta / znum ) / zdiv ) & |
---|
| 394 | & - wmax |
---|
[2715] | 395 | iflag: DO jn = 1, kiter |
---|
| 396 | IF ( zwl == 0._wp ) THEN ; znummax = zl |
---|
| 397 | ELSEIF( zwr == 0._wp ) THEN ; znummax = zr |
---|
| 398 | ELSE |
---|
| 399 | znummax = ( zr + zl ) / 2. |
---|
| 400 | zdiv = xkr_zeta + xkr_eta - xkr_eta * znummax |
---|
| 401 | znum = znummax - 1. |
---|
| 402 | zws = xkr_wsbio_min * xkr_zeta / zdiv & |
---|
| 403 | & - ( xkr_wsbio_max * xkr_eta * znum * & |
---|
| 404 | & xkr_frac**( -xkr_zeta / znum ) / zdiv ) & |
---|
| 405 | & - wmax |
---|
| 406 | IF( zws * zwl < 0. ) THEN ; zr = znummax |
---|
| 407 | ELSE ; zl = znummax |
---|
| 408 | ENDIF |
---|
| 409 | zdiv = xkr_zeta + xkr_eta - xkr_eta * zl |
---|
| 410 | znum = zl - 1. |
---|
| 411 | zwl = xkr_wsbio_min * xkr_zeta / zdiv & |
---|
| 412 | & - ( xkr_wsbio_max * xkr_eta * znum * & |
---|
| 413 | & xkr_frac**( -xkr_zeta / znum ) / zdiv ) & |
---|
| 414 | & - wmax |
---|
[935] | 415 | |
---|
[2715] | 416 | zdiv = xkr_zeta + xkr_eta - xkr_eta * zr |
---|
| 417 | znum = zr - 1. |
---|
| 418 | zwr = xkr_wsbio_min * xkr_zeta / zdiv & |
---|
| 419 | & - ( xkr_wsbio_max * xkr_eta * znum * & |
---|
| 420 | & xkr_frac**( -xkr_zeta / znum ) / zdiv ) & |
---|
| 421 | & - wmax |
---|
| 422 | ! |
---|
| 423 | IF ( ABS ( zws ) <= xacc ) EXIT iflag |
---|
| 424 | ! |
---|
| 425 | ENDIF |
---|
| 426 | ! |
---|
| 427 | END DO iflag |
---|
[935] | 428 | |
---|
[2715] | 429 | xnumm(jk) = znummax |
---|
| 430 | WRITE(numout,*) ' jk = ', jk, ' wmax = ', wmax,' xnum max = ', xnumm(jk) |
---|
| 431 | ! |
---|
| 432 | END DO |
---|
| 433 | ! |
---|
[3294] | 434 | IF( nn_timing == 1 ) CALL timing_stop('p4z_sink_init') |
---|
| 435 | ! |
---|
[935] | 436 | END SUBROUTINE p4z_sink_init |
---|
| 437 | |
---|
| 438 | #else |
---|
| 439 | |
---|
| 440 | SUBROUTINE p4z_sink ( kt, jnt ) |
---|
| 441 | !!--------------------------------------------------------------------- |
---|
| 442 | !! *** ROUTINE p4z_sink *** |
---|
| 443 | !! |
---|
| 444 | !! ** Purpose : Compute vertical flux of particulate matter due to |
---|
| 445 | !! gravitational sinking |
---|
| 446 | !! |
---|
| 447 | !! ** Method : - ??? |
---|
| 448 | !!--------------------------------------------------------------------- |
---|
| 449 | INTEGER, INTENT(in) :: kt, jnt |
---|
| 450 | INTEGER :: ji, jj, jk |
---|
| 451 | REAL(wp) :: zagg1, zagg2, zagg3, zagg4 |
---|
[3294] | 452 | REAL(wp) :: zagg , zaggfe, zaggdoc, zaggdoc2, zaggdoc3 |
---|
| 453 | REAL(wp) :: zfact, zwsmax, zmax, zstep |
---|
[935] | 454 | REAL(wp) :: zrfact2 |
---|
[1836] | 455 | INTEGER :: ik1 |
---|
[935] | 456 | CHARACTER (len=25) :: charout |
---|
| 457 | !!--------------------------------------------------------------------- |
---|
[3294] | 458 | ! |
---|
| 459 | IF( nn_timing == 1 ) CALL timing_start('p4z_sink') |
---|
| 460 | ! |
---|
[2528] | 461 | ! Sinking speeds of detritus is increased with depth as shown |
---|
| 462 | ! by data and from the coagulation theory |
---|
| 463 | ! ----------------------------------------------------------- |
---|
[935] | 464 | DO jk = 1, jpkm1 |
---|
| 465 | DO jj = 1, jpj |
---|
[3294] | 466 | DO ji = 1,jpi |
---|
| 467 | ! zmax = MAX( heup(ji,jj), hmld(ji,jj) ) |
---|
| 468 | ! zfact = MAX( 0., fsdepw(ji,jj,jk+1) - zmax ) / 5000._wp |
---|
| 469 | zmax = hmld(ji,jj) |
---|
| 470 | zfact = MAX( 0., fsdepw(ji,jj,jk+1) - zmax ) / 4000._wp |
---|
[935] | 471 | wsbio4(ji,jj,jk) = wsbio2 + ( 200.- wsbio2 ) * zfact |
---|
| 472 | END DO |
---|
| 473 | END DO |
---|
| 474 | END DO |
---|
| 475 | |
---|
[2528] | 476 | ! limit the values of the sinking speeds to avoid numerical instabilities |
---|
[935] | 477 | wsbio3(:,:,:) = wsbio |
---|
[2528] | 478 | ! |
---|
| 479 | ! OA Below, this is garbage. the ideal would be to find a time-splitting |
---|
| 480 | ! OA algorithm that does not increase the computing cost by too much |
---|
| 481 | ! OA In ROMS, I have included a time-splitting procedure. But it is |
---|
| 482 | ! OA too expensive as the loop is computed globally. Thus, a small e3t |
---|
| 483 | ! OA at one place determines the number of subtimesteps globally |
---|
| 484 | ! OA AWFULLY EXPENSIVE !! Not able to find a better approach. Damned !! |
---|
[935] | 485 | |
---|
| 486 | DO jk = 1,jpkm1 |
---|
| 487 | DO jj = 1, jpj |
---|
| 488 | DO ji = 1, jpi |
---|
[1264] | 489 | zwsmax = 0.8 * fse3t(ji,jj,jk) / xstep |
---|
[935] | 490 | wsbio4(ji,jj,jk) = MIN( wsbio4(ji,jj,jk), zwsmax ) |
---|
| 491 | wsbio3(ji,jj,jk) = MIN( wsbio3(ji,jj,jk), zwsmax ) |
---|
| 492 | END DO |
---|
| 493 | END DO |
---|
| 494 | END DO |
---|
| 495 | |
---|
| 496 | wscal(:,:,:) = wsbio4(:,:,:) |
---|
| 497 | |
---|
[2528] | 498 | ! Initializa to zero all the sinking arrays |
---|
| 499 | ! ----------------------------------------- |
---|
[935] | 500 | |
---|
| 501 | sinking (:,:,:) = 0.e0 |
---|
| 502 | sinking2(:,:,:) = 0.e0 |
---|
| 503 | sinkcal (:,:,:) = 0.e0 |
---|
| 504 | sinkfer (:,:,:) = 0.e0 |
---|
| 505 | sinksil (:,:,:) = 0.e0 |
---|
| 506 | sinkfer2(:,:,:) = 0.e0 |
---|
| 507 | |
---|
[2528] | 508 | ! Compute the sedimentation term using p4zsink2 for all the sinking particles |
---|
| 509 | ! ----------------------------------------------------- |
---|
[935] | 510 | |
---|
| 511 | CALL p4z_sink2( wsbio3, sinking , jppoc ) |
---|
| 512 | CALL p4z_sink2( wsbio3, sinkfer , jpsfe ) |
---|
| 513 | CALL p4z_sink2( wsbio4, sinking2, jpgoc ) |
---|
| 514 | CALL p4z_sink2( wsbio4, sinkfer2, jpbfe ) |
---|
[3295] | 515 | CALL p4z_sink2( wsbio4, sinksil , jpgsi ) |
---|
[935] | 516 | CALL p4z_sink2( wscal , sinkcal , jpcal ) |
---|
| 517 | |
---|
[2528] | 518 | ! Exchange between organic matter compartments due to coagulation/disaggregation |
---|
| 519 | ! --------------------------------------------------- |
---|
[935] | 520 | |
---|
| 521 | DO jk = 1, jpkm1 |
---|
| 522 | DO jj = 1, jpj |
---|
| 523 | DO ji = 1, jpi |
---|
[3294] | 524 | ! |
---|
| 525 | zstep = xstep |
---|
[2528] | 526 | # if defined key_degrad |
---|
[3294] | 527 | zstep = zstep * facvol(ji,jj,jk) |
---|
[2528] | 528 | # endif |
---|
| 529 | zfact = zstep * xdiss(ji,jj,jk) |
---|
[1457] | 530 | ! Part I : Coagulation dependent on turbulence |
---|
[3294] | 531 | zagg1 = 354. * zfact * trn(ji,jj,jk,jppoc) * trn(ji,jj,jk,jppoc) |
---|
| 532 | zagg2 = 4452. * zfact * trn(ji,jj,jk,jppoc) * trn(ji,jj,jk,jpgoc) |
---|
[935] | 533 | |
---|
[1457] | 534 | ! Part II : Differential settling |
---|
[935] | 535 | |
---|
[1457] | 536 | ! Aggregation of small into large particles |
---|
[3294] | 537 | zagg3 = 4.7 * zstep * trn(ji,jj,jk,jppoc) * trn(ji,jj,jk,jpgoc) |
---|
| 538 | zagg4 = 0.4 * zstep * trn(ji,jj,jk,jppoc) * trn(ji,jj,jk,jppoc) |
---|
[2528] | 539 | |
---|
[935] | 540 | zagg = zagg1 + zagg2 + zagg3 + zagg4 |
---|
| 541 | zaggfe = zagg * trn(ji,jj,jk,jpsfe) / ( trn(ji,jj,jk,jppoc) + rtrn ) |
---|
| 542 | |
---|
[1457] | 543 | ! Aggregation of DOC to small particles |
---|
[3294] | 544 | zaggdoc = ( 0.83 * trn(ji,jj,jk,jpdoc) + 271. * trn(ji,jj,jk,jppoc) ) * zfact * trn(ji,jj,jk,jpdoc) |
---|
| 545 | zaggdoc2 = 1.07e4 * zfact * trn(ji,jj,jk,jpgoc) * trn(ji,jj,jk,jpdoc) |
---|
| 546 | zaggdoc3 = 0.02 * ( 16706. * trn(ji,jj,jk,jppoc) + 231. * trn(ji,jj,jk,jpdoc) ) * zstep * trn(ji,jj,jk,jpdoc) |
---|
[2528] | 547 | |
---|
[1457] | 548 | ! Update the trends |
---|
[3294] | 549 | tra(ji,jj,jk,jppoc) = tra(ji,jj,jk,jppoc) - zagg + zaggdoc + zaggdoc3 |
---|
[935] | 550 | tra(ji,jj,jk,jpgoc) = tra(ji,jj,jk,jpgoc) + zagg + zaggdoc2 |
---|
| 551 | tra(ji,jj,jk,jpsfe) = tra(ji,jj,jk,jpsfe) - zaggfe |
---|
| 552 | tra(ji,jj,jk,jpbfe) = tra(ji,jj,jk,jpbfe) + zaggfe |
---|
[3294] | 553 | tra(ji,jj,jk,jpdoc) = tra(ji,jj,jk,jpdoc) - zaggdoc - zaggdoc2 - zaggdoc3 |
---|
[1457] | 554 | ! |
---|
[935] | 555 | END DO |
---|
| 556 | END DO |
---|
| 557 | END DO |
---|
| 558 | |
---|
[3294] | 559 | IF( ln_diatrc ) THEN |
---|
| 560 | zrfact2 = 1.e3 * rfact2r |
---|
| 561 | ik1 = iksed + 1 |
---|
| 562 | IF( lk_iomput ) THEN |
---|
| 563 | IF( jnt == nrdttrc ) THEN |
---|
| 564 | CALL iom_put( "EPC100" , ( sinking(:,:,ik1) + sinking2(:,:,ik1) ) * zrfact2 * tmask(:,:,1) ) ! Export of carbon at 100m |
---|
| 565 | CALL iom_put( "EPFE100" , ( sinkfer(:,:,ik1) + sinkfer2(:,:,ik1) ) * zrfact2 * tmask(:,:,1) ) ! Export of iron at 100m |
---|
| 566 | CALL iom_put( "EPCAL100", sinkcal(:,:,ik1) * zrfact2 * tmask(:,:,1) ) ! Export of calcite at 100m |
---|
| 567 | CALL iom_put( "EPSI100" , sinksil(:,:,ik1) * zrfact2 * tmask(:,:,1) ) ! Export of biogenic silica at 100m |
---|
| 568 | ENDIF |
---|
| 569 | ELSE |
---|
| 570 | trc2d(:,:,jp_pcs0_2d + 4) = sinking (:,:,ik1) * zrfact2 * tmask(:,:,1) |
---|
| 571 | trc2d(:,:,jp_pcs0_2d + 5) = sinking2(:,:,ik1) * zrfact2 * tmask(:,:,1) |
---|
| 572 | trc2d(:,:,jp_pcs0_2d + 6) = sinkfer (:,:,ik1) * zrfact2 * tmask(:,:,1) |
---|
| 573 | trc2d(:,:,jp_pcs0_2d + 7) = sinkfer2(:,:,ik1) * zrfact2 * tmask(:,:,1) |
---|
| 574 | trc2d(:,:,jp_pcs0_2d + 8) = sinksil (:,:,ik1) * zrfact2 * tmask(:,:,1) |
---|
| 575 | trc2d(:,:,jp_pcs0_2d + 9) = sinkcal (:,:,ik1) * zrfact2 * tmask(:,:,1) |
---|
| 576 | ENDIF |
---|
[1836] | 577 | ENDIF |
---|
[935] | 578 | ! |
---|
[2715] | 579 | IF(ln_ctl) THEN ! print mean trends (used for debugging) |
---|
[935] | 580 | WRITE(charout, FMT="('sink')") |
---|
| 581 | CALL prt_ctl_trc_info(charout) |
---|
| 582 | CALL prt_ctl_trc(tab4d=tra, mask=tmask, clinfo=ctrcnm) |
---|
[2715] | 583 | ENDIF |
---|
| 584 | ! |
---|
[3294] | 585 | IF( nn_timing == 1 ) CALL timing_stop('p4z_sink') |
---|
| 586 | ! |
---|
[935] | 587 | END SUBROUTINE p4z_sink |
---|
| 588 | |
---|
[2528] | 589 | SUBROUTINE p4z_sink_init |
---|
| 590 | !!---------------------------------------------------------------------- |
---|
| 591 | !! *** ROUTINE p4z_sink_init *** |
---|
| 592 | !!---------------------------------------------------------------------- |
---|
| 593 | END SUBROUTINE p4z_sink_init |
---|
| 594 | |
---|
[935] | 595 | #endif |
---|
| 596 | |
---|
[3294] | 597 | |
---|
| 598 | |
---|
[1073] | 599 | SUBROUTINE p4z_sink2( pwsink, psinkflx, jp_tra ) |
---|
| 600 | !!--------------------------------------------------------------------- |
---|
| 601 | !! *** ROUTINE p4z_sink2 *** |
---|
| 602 | !! |
---|
| 603 | !! ** Purpose : Compute the sedimentation terms for the various sinking |
---|
| 604 | !! particles. The scheme used to compute the trends is based |
---|
| 605 | !! on MUSCL. |
---|
| 606 | !! |
---|
| 607 | !! ** Method : - this ROUTINE compute not exactly the advection but the |
---|
| 608 | !! transport term, i.e. div(u*tra). |
---|
| 609 | !!--------------------------------------------------------------------- |
---|
[2715] | 610 | ! |
---|
[1073] | 611 | INTEGER , INTENT(in ) :: jp_tra ! tracer index index |
---|
| 612 | REAL(wp), INTENT(in ), DIMENSION(jpi,jpj,jpk) :: pwsink ! sinking speed |
---|
| 613 | REAL(wp), INTENT(inout), DIMENSION(jpi,jpj,jpk) :: psinkflx ! sinking fluxe |
---|
| 614 | !! |
---|
| 615 | INTEGER :: ji, jj, jk, jn |
---|
[2528] | 616 | REAL(wp) :: zigma,zew,zign, zflx, zstep |
---|
[3637] | 617 | REAL(wp), POINTER, DIMENSION(:,:,:) :: ztraz, zakz, zwsink2, ztrb |
---|
[1073] | 618 | !!--------------------------------------------------------------------- |
---|
[3294] | 619 | ! |
---|
| 620 | IF( nn_timing == 1 ) CALL timing_start('p4z_sink2') |
---|
| 621 | ! |
---|
| 622 | ! Allocate temporary workspace |
---|
[3637] | 623 | CALL wrk_alloc( jpi, jpj, jpk, ztraz, zakz, zwsink2, ztrb ) |
---|
[1073] | 624 | |
---|
[2528] | 625 | zstep = rfact2 / 2. |
---|
| 626 | |
---|
[1073] | 627 | ztraz(:,:,:) = 0.e0 |
---|
| 628 | zakz (:,:,:) = 0.e0 |
---|
[3637] | 629 | ztrb (:,:,:) = trn(:,:,:,jp_tra) |
---|
[1073] | 630 | |
---|
| 631 | DO jk = 1, jpkm1 |
---|
[3294] | 632 | zwsink2(:,:,jk+1) = -pwsink(:,:,jk) / rday * tmask(:,:,jk+1) |
---|
[1073] | 633 | END DO |
---|
| 634 | zwsink2(:,:,1) = 0.e0 |
---|
[3294] | 635 | IF( lk_degrad ) THEN |
---|
| 636 | zwsink2(:,:,:) = zwsink2(:,:,:) * facvol(:,:,:) |
---|
| 637 | ENDIF |
---|
[1073] | 638 | |
---|
| 639 | |
---|
| 640 | ! Vertical advective flux |
---|
| 641 | DO jn = 1, 2 |
---|
| 642 | ! first guess of the slopes interior values |
---|
| 643 | DO jk = 2, jpkm1 |
---|
| 644 | ztraz(:,:,jk) = ( trn(:,:,jk-1,jp_tra) - trn(:,:,jk,jp_tra) ) * tmask(:,:,jk) |
---|
| 645 | END DO |
---|
| 646 | ztraz(:,:,1 ) = 0.0 |
---|
| 647 | ztraz(:,:,jpk) = 0.0 |
---|
| 648 | |
---|
| 649 | ! slopes |
---|
| 650 | DO jk = 2, jpkm1 |
---|
| 651 | DO jj = 1,jpj |
---|
| 652 | DO ji = 1, jpi |
---|
| 653 | zign = 0.25 + SIGN( 0.25, ztraz(ji,jj,jk) * ztraz(ji,jj,jk+1) ) |
---|
| 654 | zakz(ji,jj,jk) = ( ztraz(ji,jj,jk) + ztraz(ji,jj,jk+1) ) * zign |
---|
| 655 | END DO |
---|
| 656 | END DO |
---|
| 657 | END DO |
---|
| 658 | |
---|
| 659 | ! Slopes limitation |
---|
| 660 | DO jk = 2, jpkm1 |
---|
| 661 | DO jj = 1, jpj |
---|
| 662 | DO ji = 1, jpi |
---|
| 663 | zakz(ji,jj,jk) = SIGN( 1., zakz(ji,jj,jk) ) * & |
---|
| 664 | & MIN( ABS( zakz(ji,jj,jk) ), 2. * ABS(ztraz(ji,jj,jk+1)), 2. * ABS(ztraz(ji,jj,jk) ) ) |
---|
| 665 | END DO |
---|
| 666 | END DO |
---|
| 667 | END DO |
---|
| 668 | |
---|
| 669 | ! vertical advective flux |
---|
| 670 | DO jk = 1, jpkm1 |
---|
| 671 | DO jj = 1, jpj |
---|
| 672 | DO ji = 1, jpi |
---|
[2528] | 673 | zigma = zwsink2(ji,jj,jk+1) * zstep / fse3w(ji,jj,jk+1) |
---|
[1073] | 674 | zew = zwsink2(ji,jj,jk+1) |
---|
[2528] | 675 | psinkflx(ji,jj,jk+1) = -zew * ( trn(ji,jj,jk,jp_tra) - 0.5 * ( 1 + zigma ) * zakz(ji,jj,jk) ) * zstep |
---|
[1073] | 676 | END DO |
---|
| 677 | END DO |
---|
| 678 | END DO |
---|
| 679 | ! |
---|
| 680 | ! Boundary conditions |
---|
| 681 | psinkflx(:,:,1 ) = 0.e0 |
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| 682 | psinkflx(:,:,jpk) = 0.e0 |
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| 683 | |
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| 684 | DO jk=1,jpkm1 |
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| 685 | DO jj = 1,jpj |
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| 686 | DO ji = 1, jpi |
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| 687 | zflx = ( psinkflx(ji,jj,jk) - psinkflx(ji,jj,jk+1) ) / fse3t(ji,jj,jk) |
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| 688 | trn(ji,jj,jk,jp_tra) = trn(ji,jj,jk,jp_tra) + zflx |
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| 689 | END DO |
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| 690 | END DO |
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| 691 | END DO |
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| 692 | |
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| 693 | ENDDO |
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| 694 | |
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| 695 | DO jk=1,jpkm1 |
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| 696 | DO jj = 1,jpj |
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| 697 | DO ji = 1, jpi |
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| 698 | zflx = ( psinkflx(ji,jj,jk) - psinkflx(ji,jj,jk+1) ) / fse3t(ji,jj,jk) |
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[3637] | 699 | ztrb(ji,jj,jk,jp_tra) = ztrb(ji,jj,jk,jp_tra) + 2. * zflx |
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[1073] | 700 | END DO |
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| 701 | END DO |
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| 702 | END DO |
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| 703 | |
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[3637] | 704 | trn (:,:,:,jp_tra) = ztrb(:,:,:,jp_tra) |
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[2715] | 705 | psinkflx(:,:,:) = 2. * psinkflx(:,:,:) |
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[1073] | 706 | ! |
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[3637] | 707 | CALL wrk_dealloc( jpi, jpj, jpk, ztraz, zakz, zwsink2, ztrb ) |
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[2715] | 708 | ! |
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[3294] | 709 | IF( nn_timing == 1 ) CALL timing_stop('p4z_sink2') |
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| 710 | ! |
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[1073] | 711 | END SUBROUTINE p4z_sink2 |
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| 712 | |
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[2715] | 713 | |
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| 714 | INTEGER FUNCTION p4z_sink_alloc() |
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| 715 | !!---------------------------------------------------------------------- |
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| 716 | !! *** ROUTINE p4z_sink_alloc *** |
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| 717 | !!---------------------------------------------------------------------- |
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| 718 | ALLOCATE( wsbio3 (jpi,jpj,jpk) , wsbio4 (jpi,jpj,jpk) , wscal(jpi,jpj,jpk) , & |
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| 719 | & sinking(jpi,jpj,jpk) , sinking2(jpi,jpj,jpk) , & |
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| 720 | & sinkcal(jpi,jpj,jpk) , sinksil (jpi,jpj,jpk) , & |
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| 721 | #if defined key_kriest |
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| 722 | & xnumm(jpk) , & |
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[935] | 723 | #else |
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[2715] | 724 | & sinkfer2(jpi,jpj,jpk) , & |
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| 725 | #endif |
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| 726 | & sinkfer(jpi,jpj,jpk) , STAT=p4z_sink_alloc ) |
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| 727 | ! |
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| 728 | IF( p4z_sink_alloc /= 0 ) CALL ctl_warn('p4z_sink_alloc : failed to allocate arrays.') |
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| 729 | ! |
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| 730 | END FUNCTION p4z_sink_alloc |
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| 731 | |
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| 732 | #else |
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[935] | 733 | !!====================================================================== |
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| 734 | !! Dummy module : No PISCES bio-model |
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| 735 | !!====================================================================== |
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| 736 | CONTAINS |
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| 737 | SUBROUTINE p4z_sink ! Empty routine |
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| 738 | END SUBROUTINE p4z_sink |
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| 739 | #endif |
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| 740 | |
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| 741 | !!====================================================================== |
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| 742 | END MODULE p4zsink |
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