[3443] | 1 | MODULE p4zsink |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE p4zsink *** |
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| 4 | !! TOP : PISCES vertical flux of particulate matter due to gravitational sinking |
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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 | !! 3.4 ! 2011-06 (O. Aumont, C. Ethe) Change aggregation formula |
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| 9 | !! 3.5 ! 2012-07 (O. Aumont) Introduce potential time-splitting |
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| 10 | !!---------------------------------------------------------------------- |
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| 11 | #if defined key_pisces |
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| 12 | !!---------------------------------------------------------------------- |
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| 13 | !! p4z_sink : Compute vertical flux of particulate matter due to gravitational sinking |
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| 14 | !! p4z_sink_init : Unitialisation of sinking speed parameters |
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| 15 | !! p4z_sink_alloc : Allocate sinking speed variables |
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| 16 | !!---------------------------------------------------------------------- |
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| 17 | USE oce_trc ! shared variables between ocean and passive tracers |
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| 18 | USE trc ! passive tracers common variables |
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| 19 | USE sms_pisces ! PISCES Source Minus Sink variables |
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| 20 | USE prtctl_trc ! print control for debugging |
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| 21 | USE iom ! I/O manager |
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| 22 | USE lib_mpp |
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| 23 | |
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| 24 | IMPLICIT NONE |
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| 25 | PRIVATE |
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| 26 | |
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| 27 | PUBLIC p4z_sink ! called in p4zbio.F90 |
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| 28 | PUBLIC p4z_sink_init ! called in trcsms_pisces.F90 |
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| 29 | PUBLIC p4z_sink_alloc |
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| 30 | |
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| 31 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: wsbio3 !: POC sinking speed |
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| 32 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: wsbio4 !: GOC sinking speed |
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| 33 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: wscal !: Calcite and BSi sinking speeds |
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| 34 | |
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| 35 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: sinking, sinking2 !: POC sinking fluxes |
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| 36 | ! ! (different meanings depending on the parameterization) |
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| 37 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: sinkcal, sinksil !: CaCO3 and BSi sinking fluxes |
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| 38 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: sinkfer !: Small BFe sinking fluxes |
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| 39 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: sinkfer2 !: Big iron sinking fluxes |
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| 40 | |
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[4996] | 41 | INTEGER :: ik100 |
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[3443] | 42 | |
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| 43 | !!---------------------------------------------------------------------- |
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| 44 | !! NEMO/TOP 3.3 , NEMO Consortium (2010) |
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| 45 | !! $Id: p4zsink.F90 3160 2011-11-20 14:27:18Z cetlod $ |
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| 46 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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| 47 | !!---------------------------------------------------------------------- |
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| 48 | CONTAINS |
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| 49 | |
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| 50 | !!---------------------------------------------------------------------- |
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| 51 | !! 'standard sinking parameterisation' ??? |
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| 52 | !!---------------------------------------------------------------------- |
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| 53 | |
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[5385] | 54 | SUBROUTINE p4z_sink ( kt, knt ) |
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[3443] | 55 | !!--------------------------------------------------------------------- |
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| 56 | !! *** ROUTINE p4z_sink *** |
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| 57 | !! |
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| 58 | !! ** Purpose : Compute vertical flux of particulate matter due to |
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| 59 | !! gravitational sinking |
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| 60 | !! |
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| 61 | !! ** Method : - ??? |
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| 62 | !!--------------------------------------------------------------------- |
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[5385] | 63 | INTEGER, INTENT(in) :: kt, knt |
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[3443] | 64 | INTEGER :: ji, jj, jk, jit |
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| 65 | INTEGER :: iiter1, iiter2 |
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| 66 | REAL(wp) :: zagg1, zagg2, zagg3, zagg4 |
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| 67 | REAL(wp) :: zagg , zaggfe, zaggdoc, zaggdoc2, zaggdoc3 |
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[7041] | 68 | REAL(wp) :: zfact, zwsmax, zmax |
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[3443] | 69 | CHARACTER (len=25) :: charout |
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[4996] | 70 | REAL(wp), POINTER, DIMENSION(:,:,:) :: zw3d |
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| 71 | REAL(wp), POINTER, DIMENSION(:,: ) :: zw2d |
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[3443] | 72 | !!--------------------------------------------------------------------- |
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| 73 | ! |
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| 74 | IF( nn_timing == 1 ) CALL timing_start('p4z_sink') |
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| 75 | ! |
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| 76 | ! Sinking speeds of detritus is increased with depth as shown |
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| 77 | ! by data and from the coagulation theory |
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| 78 | ! ----------------------------------------------------------- |
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| 79 | DO jk = 1, jpkm1 |
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| 80 | DO jj = 1, jpj |
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| 81 | DO ji = 1,jpi |
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| 82 | zmax = MAX( heup(ji,jj), hmld(ji,jj) ) |
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[6140] | 83 | zfact = MAX( 0., gdepw_n(ji,jj,jk+1) - zmax ) / 5000._wp |
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[3443] | 84 | wsbio4(ji,jj,jk) = wsbio2 + ( 200.- wsbio2 ) * zfact |
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| 85 | END DO |
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| 86 | END DO |
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| 87 | END DO |
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| 88 | |
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| 89 | ! limit the values of the sinking speeds to avoid numerical instabilities |
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| 90 | wsbio3(:,:,:) = wsbio |
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| 91 | wscal (:,:,:) = wsbio4(:,:,:) |
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| 92 | ! |
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| 93 | ! OA This is (I hope) a temporary solution for the problem that may |
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| 94 | ! OA arise in specific situation where the CFL criterion is broken |
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| 95 | ! OA for vertical sedimentation of particles. To avoid this, a time |
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| 96 | ! OA splitting algorithm has been coded. A specific maximum |
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| 97 | ! OA iteration number is provided and may be specified in the namelist |
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| 98 | ! OA This is to avoid very large iteration number when explicit free |
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| 99 | ! OA surface is used (for instance). When niter?max is set to 1, |
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| 100 | ! OA this computation is skipped. The crude old threshold method is |
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| 101 | ! OA then applied. This also happens when niter exceeds nitermax. |
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| 102 | IF( MAX( niter1max, niter2max ) == 1 ) THEN |
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| 103 | iiter1 = 1 |
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| 104 | iiter2 = 1 |
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| 105 | ELSE |
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| 106 | iiter1 = 1 |
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| 107 | iiter2 = 1 |
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| 108 | DO jk = 1, jpkm1 |
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| 109 | DO jj = 1, jpj |
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| 110 | DO ji = 1, jpi |
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| 111 | IF( tmask(ji,jj,jk) == 1) THEN |
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[6140] | 112 | zwsmax = 0.5 * e3t_n(ji,jj,jk) / xstep |
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[3443] | 113 | iiter1 = MAX( iiter1, INT( wsbio3(ji,jj,jk) / zwsmax ) ) |
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| 114 | iiter2 = MAX( iiter2, INT( wsbio4(ji,jj,jk) / zwsmax ) ) |
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| 115 | ENDIF |
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| 116 | END DO |
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| 117 | END DO |
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| 118 | END DO |
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| 119 | IF( lk_mpp ) THEN |
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| 120 | CALL mpp_max( iiter1 ) |
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| 121 | CALL mpp_max( iiter2 ) |
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| 122 | ENDIF |
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| 123 | iiter1 = MIN( iiter1, niter1max ) |
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| 124 | iiter2 = MIN( iiter2, niter2max ) |
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| 125 | ENDIF |
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| 126 | |
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| 127 | DO jk = 1,jpkm1 |
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| 128 | DO jj = 1, jpj |
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| 129 | DO ji = 1, jpi |
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| 130 | IF( tmask(ji,jj,jk) == 1 ) THEN |
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[6140] | 131 | zwsmax = 0.5 * e3t_n(ji,jj,jk) / xstep |
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[3443] | 132 | wsbio3(ji,jj,jk) = MIN( wsbio3(ji,jj,jk), zwsmax * FLOAT( iiter1 ) ) |
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| 133 | wsbio4(ji,jj,jk) = MIN( wsbio4(ji,jj,jk), zwsmax * FLOAT( iiter2 ) ) |
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| 134 | ENDIF |
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| 135 | END DO |
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| 136 | END DO |
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| 137 | END DO |
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| 138 | |
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| 139 | ! Initializa to zero all the sinking arrays |
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| 140 | ! ----------------------------------------- |
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| 141 | sinking (:,:,:) = 0.e0 |
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| 142 | sinking2(:,:,:) = 0.e0 |
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| 143 | sinkcal (:,:,:) = 0.e0 |
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| 144 | sinkfer (:,:,:) = 0.e0 |
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| 145 | sinksil (:,:,:) = 0.e0 |
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| 146 | sinkfer2(:,:,:) = 0.e0 |
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| 147 | |
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| 148 | ! Compute the sedimentation term using p4zsink2 for all the sinking particles |
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| 149 | ! ----------------------------------------------------- |
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| 150 | DO jit = 1, iiter1 |
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| 151 | CALL p4z_sink2( wsbio3, sinking , jppoc, iiter1 ) |
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| 152 | CALL p4z_sink2( wsbio3, sinkfer , jpsfe, iiter1 ) |
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| 153 | END DO |
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| 154 | |
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| 155 | DO jit = 1, iiter2 |
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| 156 | CALL p4z_sink2( wsbio4, sinking2, jpgoc, iiter2 ) |
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| 157 | CALL p4z_sink2( wsbio4, sinkfer2, jpbfe, iiter2 ) |
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| 158 | CALL p4z_sink2( wsbio4, sinksil , jpgsi, iiter2 ) |
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| 159 | CALL p4z_sink2( wscal , sinkcal , jpcal, iiter2 ) |
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| 160 | END DO |
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| 161 | |
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| 162 | ! Exchange between organic matter compartments due to coagulation/disaggregation |
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| 163 | ! --------------------------------------------------- |
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| 164 | DO jk = 1, jpkm1 |
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| 165 | DO jj = 1, jpj |
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| 166 | DO ji = 1, jpi |
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| 167 | ! |
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[7041] | 168 | zfact = xstep * xdiss(ji,jj,jk) |
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[3443] | 169 | ! Part I : Coagulation dependent on turbulence |
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[5385] | 170 | zagg1 = 25.9 * zfact * trb(ji,jj,jk,jppoc) * trb(ji,jj,jk,jppoc) |
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| 171 | zagg2 = 4452. * zfact * trb(ji,jj,jk,jppoc) * trb(ji,jj,jk,jpgoc) |
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[3443] | 172 | |
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| 173 | ! Part II : Differential settling |
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| 174 | |
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| 175 | ! Aggregation of small into large particles |
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[7041] | 176 | zagg3 = 47.1 * xstep * trb(ji,jj,jk,jppoc) * trb(ji,jj,jk,jpgoc) |
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| 177 | zagg4 = 3.3 * xstep * trb(ji,jj,jk,jppoc) * trb(ji,jj,jk,jppoc) |
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[3443] | 178 | |
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| 179 | zagg = zagg1 + zagg2 + zagg3 + zagg4 |
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[5385] | 180 | zaggfe = zagg * trb(ji,jj,jk,jpsfe) / ( trb(ji,jj,jk,jppoc) + rtrn ) |
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[3443] | 181 | |
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| 182 | ! Aggregation of DOC to POC : |
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| 183 | ! 1st term is shear aggregation of DOC-DOC |
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| 184 | ! 2nd term is shear aggregation of DOC-POC |
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| 185 | ! 3rd term is differential settling of DOC-POC |
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[5385] | 186 | zaggdoc = ( ( 0.369 * 0.3 * trb(ji,jj,jk,jpdoc) + 102.4 * trb(ji,jj,jk,jppoc) ) * zfact & |
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[7041] | 187 | & + 2.4 * xstep * trb(ji,jj,jk,jppoc) ) * 0.3 * trb(ji,jj,jk,jpdoc) |
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[3443] | 188 | ! transfer of DOC to GOC : |
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| 189 | ! 1st term is shear aggregation |
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| 190 | ! 2nd term is differential settling |
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[7041] | 191 | zaggdoc2 = ( 3.53E3 * zfact + 0.1 * xstep ) * trb(ji,jj,jk,jpgoc) * 0.3 * trb(ji,jj,jk,jpdoc) |
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[3443] | 192 | ! tranfer of DOC to POC due to brownian motion |
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[7041] | 193 | zaggdoc3 = ( 5095. * trb(ji,jj,jk,jppoc) + 114. * 0.3 * trb(ji,jj,jk,jpdoc) ) * xstep * 0.3 * trb(ji,jj,jk,jpdoc) |
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[3443] | 194 | |
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| 195 | ! Update the trends |
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| 196 | tra(ji,jj,jk,jppoc) = tra(ji,jj,jk,jppoc) - zagg + zaggdoc + zaggdoc3 |
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| 197 | tra(ji,jj,jk,jpgoc) = tra(ji,jj,jk,jpgoc) + zagg + zaggdoc2 |
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| 198 | tra(ji,jj,jk,jpsfe) = tra(ji,jj,jk,jpsfe) - zaggfe |
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| 199 | tra(ji,jj,jk,jpbfe) = tra(ji,jj,jk,jpbfe) + zaggfe |
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| 200 | tra(ji,jj,jk,jpdoc) = tra(ji,jj,jk,jpdoc) - zaggdoc - zaggdoc2 - zaggdoc3 |
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| 201 | ! |
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| 202 | END DO |
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| 203 | END DO |
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| 204 | END DO |
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| 205 | |
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[4996] | 206 | |
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| 207 | ! Total carbon export per year |
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[5385] | 208 | IF( iom_use( "tcexp" ) .OR. ( ln_check_mass .AND. kt == nitend .AND. knt == nrdttrc ) ) & |
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[4996] | 209 | & t_oce_co2_exp = glob_sum( ( sinking(:,:,ik100) + sinking2(:,:,ik100) ) * e1e2t(:,:) * tmask(:,:,1) ) |
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[3481] | 210 | ! |
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[4996] | 211 | IF( lk_iomput ) THEN |
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[5385] | 212 | IF( knt == nrdttrc ) THEN |
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[4996] | 213 | CALL wrk_alloc( jpi, jpj, zw2d ) |
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| 214 | CALL wrk_alloc( jpi, jpj, jpk, zw3d ) |
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| 215 | zfact = 1.e+3 * rfact2r ! conversion from mol/l/kt to mol/m3/s |
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| 216 | ! |
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| 217 | IF( iom_use( "EPC100" ) ) THEN |
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| 218 | zw2d(:,:) = ( sinking(:,:,ik100) + sinking2(:,:,ik100) ) * zfact * tmask(:,:,1) ! Export of carbon at 100m |
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| 219 | CALL iom_put( "EPC100" , zw2d ) |
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| 220 | ENDIF |
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| 221 | IF( iom_use( "EPFE100" ) ) THEN |
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| 222 | zw2d(:,:) = ( sinkfer(:,:,ik100) + sinkfer2(:,:,ik100) ) * zfact * tmask(:,:,1) ! Export of iron at 100m |
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| 223 | CALL iom_put( "EPFE100" , zw2d ) |
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| 224 | ENDIF |
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| 225 | IF( iom_use( "EPCAL100" ) ) THEN |
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| 226 | zw2d(:,:) = sinkcal(:,:,ik100) * zfact * tmask(:,:,1) ! Export of calcite at 100m |
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| 227 | CALL iom_put( "EPCAL100" , zw2d ) |
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| 228 | ENDIF |
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| 229 | IF( iom_use( "EPSI100" ) ) THEN |
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| 230 | zw2d(:,:) = sinksil(:,:,ik100) * zfact * tmask(:,:,1) ! Export of bigenic silica at 100m |
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| 231 | CALL iom_put( "EPSI100" , zw2d ) |
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| 232 | ENDIF |
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| 233 | IF( iom_use( "EXPC" ) ) THEN |
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| 234 | zw3d(:,:,:) = ( sinking(:,:,:) + sinking2(:,:,:) ) * zfact * tmask(:,:,:) ! Export of carbon in the water column |
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| 235 | CALL iom_put( "EXPC" , zw3d ) |
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| 236 | ENDIF |
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| 237 | IF( iom_use( "EXPFE" ) ) THEN |
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| 238 | zw3d(:,:,:) = ( sinkfer(:,:,:) + sinkfer2(:,:,:) ) * zfact * tmask(:,:,:) ! Export of iron |
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| 239 | CALL iom_put( "EXPFE" , zw3d ) |
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| 240 | ENDIF |
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| 241 | IF( iom_use( "EXPCAL" ) ) THEN |
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| 242 | zw3d(:,:,:) = sinkcal(:,:,:) * zfact * tmask(:,:,:) ! Export of calcite |
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| 243 | CALL iom_put( "EXPCAL" , zw3d ) |
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| 244 | ENDIF |
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| 245 | IF( iom_use( "EXPSI" ) ) THEN |
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| 246 | zw3d(:,:,:) = sinksil(:,:,:) * zfact * tmask(:,:,:) ! Export of bigenic silica |
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| 247 | CALL iom_put( "EXPSI" , zw3d ) |
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| 248 | ENDIF |
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| 249 | IF( iom_use( "tcexp" ) ) CALL iom_put( "tcexp" , t_oce_co2_exp * zfact ) ! molC/s |
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| 250 | ! |
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| 251 | CALL wrk_dealloc( jpi, jpj, zw2d ) |
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| 252 | CALL wrk_dealloc( jpi, jpj, jpk, zw3d ) |
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| 253 | ENDIF |
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[3443] | 254 | ENDIF |
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| 255 | ! |
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| 256 | IF(ln_ctl) THEN ! print mean trends (used for debugging) |
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| 257 | WRITE(charout, FMT="('sink')") |
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| 258 | CALL prt_ctl_trc_info(charout) |
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| 259 | CALL prt_ctl_trc(tab4d=tra, mask=tmask, clinfo=ctrcnm) |
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| 260 | ENDIF |
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| 261 | ! |
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| 262 | IF( nn_timing == 1 ) CALL timing_stop('p4z_sink') |
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| 263 | ! |
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| 264 | END SUBROUTINE p4z_sink |
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| 265 | |
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| 266 | SUBROUTINE p4z_sink_init |
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| 267 | !!---------------------------------------------------------------------- |
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| 268 | !! *** ROUTINE p4z_sink_init *** |
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| 269 | !!---------------------------------------------------------------------- |
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[4996] | 270 | INTEGER :: jk |
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[3481] | 271 | |
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[4996] | 272 | ik100 = 10 ! last level where depth less than 100 m |
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| 273 | DO jk = jpkm1, 1, -1 |
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| 274 | IF( gdept_1d(jk) > 100. ) ik100 = jk - 1 |
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| 275 | END DO |
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| 276 | IF (lwp) WRITE(numout,*) |
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| 277 | IF (lwp) WRITE(numout,*) ' Level corresponding to 100m depth ', ik100 + 1 |
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| 278 | IF (lwp) WRITE(numout,*) |
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| 279 | ! |
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[3481] | 280 | t_oce_co2_exp = 0._wp |
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| 281 | ! |
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[3443] | 282 | END SUBROUTINE p4z_sink_init |
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| 283 | |
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| 284 | SUBROUTINE p4z_sink2( pwsink, psinkflx, jp_tra, kiter ) |
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| 285 | !!--------------------------------------------------------------------- |
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| 286 | !! *** ROUTINE p4z_sink2 *** |
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| 287 | !! |
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| 288 | !! ** Purpose : Compute the sedimentation terms for the various sinking |
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| 289 | !! particles. The scheme used to compute the trends is based |
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| 290 | !! on MUSCL. |
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| 291 | !! |
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| 292 | !! ** Method : - this ROUTINE compute not exactly the advection but the |
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| 293 | !! transport term, i.e. div(u*tra). |
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| 294 | !!--------------------------------------------------------------------- |
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| 295 | ! |
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| 296 | INTEGER , INTENT(in ) :: jp_tra ! tracer index index |
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| 297 | INTEGER , INTENT(in ) :: kiter ! number of iterations for time-splitting |
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| 298 | REAL(wp), INTENT(in ), DIMENSION(jpi,jpj,jpk) :: pwsink ! sinking speed |
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| 299 | REAL(wp), INTENT(inout), DIMENSION(jpi,jpj,jpk) :: psinkflx ! sinking fluxe |
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| 300 | !! |
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| 301 | INTEGER :: ji, jj, jk, jn |
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| 302 | REAL(wp) :: zigma,zew,zign, zflx, zstep |
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[3494] | 303 | REAL(wp), POINTER, DIMENSION(:,:,:) :: ztraz, zakz, zwsink2, ztrb |
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[3443] | 304 | !!--------------------------------------------------------------------- |
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| 305 | ! |
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| 306 | IF( nn_timing == 1 ) CALL timing_start('p4z_sink2') |
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| 307 | ! |
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| 308 | ! Allocate temporary workspace |
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[3494] | 309 | CALL wrk_alloc( jpi, jpj, jpk, ztraz, zakz, zwsink2, ztrb ) |
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[3443] | 310 | |
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| 311 | zstep = rfact2 / FLOAT( kiter ) / 2. |
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| 312 | |
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| 313 | ztraz(:,:,:) = 0.e0 |
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| 314 | zakz (:,:,:) = 0.e0 |
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[5385] | 315 | ztrb (:,:,:) = trb(:,:,:,jp_tra) |
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[3443] | 316 | |
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| 317 | DO jk = 1, jpkm1 |
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| 318 | zwsink2(:,:,jk+1) = -pwsink(:,:,jk) / rday * tmask(:,:,jk+1) |
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| 319 | END DO |
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| 320 | zwsink2(:,:,1) = 0.e0 |
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| 321 | |
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| 322 | |
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| 323 | ! Vertical advective flux |
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| 324 | DO jn = 1, 2 |
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| 325 | ! first guess of the slopes interior values |
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| 326 | DO jk = 2, jpkm1 |
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[5385] | 327 | ztraz(:,:,jk) = ( trb(:,:,jk-1,jp_tra) - trb(:,:,jk,jp_tra) ) * tmask(:,:,jk) |
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[3443] | 328 | END DO |
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| 329 | ztraz(:,:,1 ) = 0.0 |
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| 330 | ztraz(:,:,jpk) = 0.0 |
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| 331 | |
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| 332 | ! slopes |
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| 333 | DO jk = 2, jpkm1 |
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| 334 | DO jj = 1,jpj |
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| 335 | DO ji = 1, jpi |
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| 336 | zign = 0.25 + SIGN( 0.25, ztraz(ji,jj,jk) * ztraz(ji,jj,jk+1) ) |
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| 337 | zakz(ji,jj,jk) = ( ztraz(ji,jj,jk) + ztraz(ji,jj,jk+1) ) * zign |
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| 338 | END DO |
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| 339 | END DO |
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| 340 | END DO |
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| 341 | |
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| 342 | ! Slopes limitation |
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| 343 | DO jk = 2, jpkm1 |
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| 344 | DO jj = 1, jpj |
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| 345 | DO ji = 1, jpi |
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| 346 | zakz(ji,jj,jk) = SIGN( 1., zakz(ji,jj,jk) ) * & |
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| 347 | & MIN( ABS( zakz(ji,jj,jk) ), 2. * ABS(ztraz(ji,jj,jk+1)), 2. * ABS(ztraz(ji,jj,jk) ) ) |
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| 348 | END DO |
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| 349 | END DO |
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| 350 | END DO |
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| 351 | |
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| 352 | ! vertical advective flux |
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| 353 | DO jk = 1, jpkm1 |
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| 354 | DO jj = 1, jpj |
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| 355 | DO ji = 1, jpi |
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[6140] | 356 | zigma = zwsink2(ji,jj,jk+1) * zstep / e3w_n(ji,jj,jk+1) |
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[3443] | 357 | zew = zwsink2(ji,jj,jk+1) |
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[5385] | 358 | psinkflx(ji,jj,jk+1) = -zew * ( trb(ji,jj,jk,jp_tra) - 0.5 * ( 1 + zigma ) * zakz(ji,jj,jk) ) * zstep |
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[3443] | 359 | END DO |
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| 360 | END DO |
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| 361 | END DO |
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| 362 | ! |
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| 363 | ! Boundary conditions |
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| 364 | psinkflx(:,:,1 ) = 0.e0 |
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| 365 | psinkflx(:,:,jpk) = 0.e0 |
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| 366 | |
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| 367 | DO jk=1,jpkm1 |
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| 368 | DO jj = 1,jpj |
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| 369 | DO ji = 1, jpi |
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[6140] | 370 | zflx = ( psinkflx(ji,jj,jk) - psinkflx(ji,jj,jk+1) ) / e3t_n(ji,jj,jk) |
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[5385] | 371 | trb(ji,jj,jk,jp_tra) = trb(ji,jj,jk,jp_tra) + zflx |
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[3443] | 372 | END DO |
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| 373 | END DO |
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| 374 | END DO |
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| 375 | |
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| 376 | ENDDO |
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| 377 | |
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[3494] | 378 | DO jk = 1,jpkm1 |
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[3443] | 379 | DO jj = 1,jpj |
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| 380 | DO ji = 1, jpi |
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[6140] | 381 | zflx = ( psinkflx(ji,jj,jk) - psinkflx(ji,jj,jk+1) ) / e3t_n(ji,jj,jk) |
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[3494] | 382 | ztrb(ji,jj,jk) = ztrb(ji,jj,jk) + 2. * zflx |
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[3443] | 383 | END DO |
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| 384 | END DO |
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| 385 | END DO |
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| 386 | |
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[5385] | 387 | trb(:,:,:,jp_tra) = ztrb(:,:,:) |
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[3494] | 388 | psinkflx(:,:,:) = 2. * psinkflx(:,:,:) |
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[3443] | 389 | ! |
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[3494] | 390 | CALL wrk_dealloc( jpi, jpj, jpk, ztraz, zakz, zwsink2, ztrb ) |
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[3443] | 391 | ! |
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| 392 | IF( nn_timing == 1 ) CALL timing_stop('p4z_sink2') |
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| 393 | ! |
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| 394 | END SUBROUTINE p4z_sink2 |
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| 395 | |
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| 396 | |
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| 397 | INTEGER FUNCTION p4z_sink_alloc() |
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| 398 | !!---------------------------------------------------------------------- |
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| 399 | !! *** ROUTINE p4z_sink_alloc *** |
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| 400 | !!---------------------------------------------------------------------- |
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| 401 | ALLOCATE( wsbio3 (jpi,jpj,jpk) , wsbio4 (jpi,jpj,jpk) , wscal(jpi,jpj,jpk) , & |
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| 402 | & sinking(jpi,jpj,jpk) , sinking2(jpi,jpj,jpk) , & |
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| 403 | & sinkcal(jpi,jpj,jpk) , sinksil (jpi,jpj,jpk) , & |
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| 404 | & sinkfer2(jpi,jpj,jpk) , & |
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| 405 | & sinkfer(jpi,jpj,jpk) , STAT=p4z_sink_alloc ) |
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| 406 | ! |
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| 407 | IF( p4z_sink_alloc /= 0 ) CALL ctl_warn('p4z_sink_alloc : failed to allocate arrays.') |
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| 408 | ! |
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| 409 | END FUNCTION p4z_sink_alloc |
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| 410 | |
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| 411 | #else |
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| 412 | !!====================================================================== |
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| 413 | !! Dummy module : No PISCES bio-model |
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| 414 | !!====================================================================== |
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| 415 | CONTAINS |
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| 416 | SUBROUTINE p4z_sink ! Empty routine |
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| 417 | END SUBROUTINE p4z_sink |
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| 418 | #endif |
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| 419 | |
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| 420 | !!====================================================================== |
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[5656] | 421 | END MODULE p4zsink |
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