[935] | 1 | MODULE p4zsed |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE p4sed *** |
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| 4 | !! TOP : PISCES Compute loss of organic matter in the sediments |
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| 5 | !!====================================================================== |
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| 6 | !! History : 1.0 ! 2004-03 (O. Aumont) Original code |
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| 7 | !! 2.0 ! 2007-12 (C. Ethe, G. Madec) F90 |
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[2823] | 8 | !! 3.4 ! 2011-06 (O. Aumont, C. Ethe) USE of fldread |
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[935] | 9 | !!---------------------------------------------------------------------- |
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| 10 | #if defined key_pisces |
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| 11 | !!---------------------------------------------------------------------- |
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| 12 | !! 'key_pisces' PISCES bio-model |
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| 13 | !!---------------------------------------------------------------------- |
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| 14 | !! p4z_sed : Compute loss of organic matter in the sediments |
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| 15 | !! p4z_sbc : Read and interpolate time-varying nutrients fluxes |
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| 16 | !! p4z_sed_init : Initialization of p4z_sed |
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| 17 | !!---------------------------------------------------------------------- |
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[2823] | 18 | USE oce_trc ! shared variables between ocean and passive tracers |
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| 19 | USE trc ! passive tracers common variables |
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| 20 | USE sms_pisces ! PISCES Source Minus Sink variables |
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| 21 | USE p4zsink ! vertical flux of particulate matter due to sinking |
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| 22 | USE p4zopt ! optical model |
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| 23 | USE p4zlim ! Co-limitations of differents nutrients |
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| 24 | USE p4zrem ! Remineralisation of organic matter |
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| 25 | USE p4zint ! interpolation and computation of various fields |
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| 26 | USE iom ! I/O manager |
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| 27 | USE fldread ! time interpolation |
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| 28 | USE prtctl_trc ! print control for debugging |
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[935] | 29 | |
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| 30 | |
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[2823] | 31 | |
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[935] | 32 | IMPLICIT NONE |
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| 33 | PRIVATE |
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| 34 | |
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[1073] | 35 | PUBLIC p4z_sed |
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[2528] | 36 | PUBLIC p4z_sed_init |
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[2715] | 37 | PUBLIC p4z_sed_alloc |
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[935] | 38 | |
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| 39 | !! * Shared module variables |
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[2823] | 40 | LOGICAL :: ln_dust = .FALSE. !: boolean for dust input from the atmosphere |
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| 41 | LOGICAL :: ln_river = .FALSE. !: boolean for river input of nutrients |
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| 42 | LOGICAL :: ln_ndepo = .FALSE. !: boolean for atmospheric deposition of N |
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| 43 | LOGICAL :: ln_ironsed = .FALSE. !: boolean for Fe input from sediments |
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[935] | 44 | |
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[2823] | 45 | REAL(wp) :: sedfeinput = 1.E-9_wp !: Coastal release of Iron |
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| 46 | REAL(wp) :: dustsolub = 0.014_wp !: Solubility of the dust |
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| 47 | REAL(wp) :: wdust = 2.0_wp !: Sinking speed of the dust |
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| 48 | REAL(wp) :: nitrfix = 1E-7_wp !: Nitrogen fixation rate |
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| 49 | REAL(wp) :: diazolight = 50._wp !: Nitrogen fixation sensitivty to light |
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| 50 | REAL(wp) :: concfediaz = 1.E-10_wp !: Fe half-saturation Cste for diazotrophs |
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[935] | 51 | |
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[2823] | 52 | |
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[935] | 53 | !! * Module variables |
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[2715] | 54 | REAL(wp) :: ryyss !: number of seconds per year |
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[2823] | 55 | REAL(wp) :: r1_ryyss !: inverse of ryyss |
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[2715] | 56 | REAL(wp) :: rmtss !: number of seconds per month |
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[2823] | 57 | REAL(wp) :: r1_rday !: inverse of rday |
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| 58 | LOGICAL :: ll_sbc |
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[1735] | 59 | |
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[2823] | 60 | TYPE(FLD), ALLOCATABLE, DIMENSION(:) :: sf_dust ! structure of input dust |
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| 61 | TYPE(FLD), ALLOCATABLE, DIMENSION(:) :: sf_riverdic ! structure of input riverdic |
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| 62 | TYPE(FLD), ALLOCATABLE, DIMENSION(:) :: sf_riverdoc ! structure of input riverdoc |
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| 63 | TYPE(FLD), ALLOCATABLE, DIMENSION(:) :: sf_ndepo ! structure of input nitrogen deposition |
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| 64 | TYPE(FLD), ALLOCATABLE, DIMENSION(:) :: sf_ironsed ! structure of input iron from sediment |
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[2715] | 65 | |
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[2823] | 66 | INTEGER , PARAMETER :: nbtimes = 365 !: maximum number of times record in a file |
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| 67 | INTEGER :: ntimes_dust, ntimes_riv, ntimes_ndep ! number of time steps in a file |
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[2715] | 68 | |
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| 69 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: dust !: dust fields |
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| 70 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: rivinp, cotdep !: river input fields |
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| 71 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: nitdep !: atmospheric N deposition |
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| 72 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: ironsed !: Coastal supply of iron |
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| 73 | |
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[935] | 74 | REAL(wp) :: sumdepsi, rivalkinput, rivpo4input, nitdepinput |
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| 75 | |
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| 76 | !!* Substitution |
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[1503] | 77 | # include "top_substitute.h90" |
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[935] | 78 | !!---------------------------------------------------------------------- |
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[2528] | 79 | !! NEMO/TOP 3.3 , NEMO Consortium (2010) |
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[1180] | 80 | !! $Header:$ |
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[2528] | 81 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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[935] | 82 | !!---------------------------------------------------------------------- |
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| 83 | |
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| 84 | CONTAINS |
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| 85 | |
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[2715] | 86 | |
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[2528] | 87 | SUBROUTINE p4z_sed( kt, jnt ) |
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[935] | 88 | !!--------------------------------------------------------------------- |
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| 89 | !! *** ROUTINE p4z_sed *** |
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| 90 | !! |
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| 91 | !! ** Purpose : Compute loss of organic matter in the sediments. This |
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| 92 | !! is by no way a sediment model. The loss is simply |
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| 93 | !! computed to balance the inout from rivers and dust |
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| 94 | !! |
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| 95 | !! ** Method : - ??? |
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| 96 | !!--------------------------------------------------------------------- |
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[2823] | 97 | USE wrk_nemo, ONLY: wrk_in_USE, wrk_not_released |
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| 98 | USE wrk_nemo, ONLY: zsidep => wrk_2d_11 |
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| 99 | USE wrk_nemo, ONLY: zwork1 => wrk_2d_12, zwork2 => wrk_2d_13, zwork3 => wrk_2d_14 |
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[2715] | 100 | USE wrk_nemo, ONLY: znitrpot => wrk_3d_2, zirondep => wrk_3d_3 |
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| 101 | ! |
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[935] | 102 | INTEGER, INTENT(in) :: kt, jnt ! ocean time step |
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[2528] | 103 | INTEGER :: ji, jj, jk, ikt |
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[1180] | 104 | #if ! defined key_sed |
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[935] | 105 | REAL(wp) :: zsumsedsi, zsumsedpo4, zsumsedcal |
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[2528] | 106 | REAL(wp) :: zrivalk, zrivsil, zrivpo4 |
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[1180] | 107 | #endif |
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[2823] | 108 | REAL(wp) :: zdenitot, znitrpottot, zlim, zfact, zfactcal |
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| 109 | REAL(wp) :: zsiloss, zcaloss, zwsbio3, zwsbio4, zwscal, zdep |
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[935] | 110 | CHARACTER (len=25) :: charout |
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| 111 | !!--------------------------------------------------------------------- |
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| 112 | |
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[2823] | 113 | IF( ( wrk_in_USE(2, 11,12,13,14) ) .OR. ( wrk_in_USE(3, 2,3) ) ) THEN |
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[2715] | 114 | CALL ctl_stop('p4z_sed: requested workspace arrays unavailable') ; RETURN |
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| 115 | END IF |
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| 116 | |
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[2823] | 117 | IF( jnt == 1 .AND. ll_sbc ) CALL p4z_sbc( kt ) |
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[935] | 118 | |
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[2823] | 119 | zirondep(:,:,:) = 0.e0 ! Initialisation of variables USEd to compute deposition |
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| 120 | zsidep (:,:) = 0.e0 |
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| 121 | |
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[935] | 122 | ! Iron and Si deposition at the surface |
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| 123 | ! ------------------------------------- |
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| 124 | DO jj = 1, jpj |
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| 125 | DO ji = 1, jpi |
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[2823] | 126 | zdep = rfact2 / fse3t(ji,jj,1) |
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| 127 | zirondep(ji,jj,1) = ( dustsolub * dust(ji,jj) / ( 55.85 * rmtss ) + 3.e-10 * r1_ryyss ) * zdep |
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| 128 | zsidep (ji,jj) = 8.8 * 0.075 * dust(ji,jj) * zdep / ( 28.1 * rmtss ) |
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[935] | 129 | END DO |
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| 130 | END DO |
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| 131 | |
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| 132 | ! Iron solubilization of particles in the water column |
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| 133 | ! ---------------------------------------------------- |
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| 134 | DO jk = 2, jpkm1 |
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[2823] | 135 | zirondep(:,:,jk) = dust(:,:) / ( wdust * 55.85 * rmtss ) * rfact2 * 1.e-4 * EXP( -fsdept(:,:,jk) / 1000. ) |
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[935] | 136 | END DO |
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| 137 | |
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| 138 | ! Add the external input of nutrients, carbon and alkalinity |
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| 139 | ! ---------------------------------------------------------- |
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| 140 | trn(:,:,1,jppo4) = trn(:,:,1,jppo4) + rivinp(:,:) * rfact2 |
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| 141 | trn(:,:,1,jpno3) = trn(:,:,1,jpno3) + (rivinp(:,:) + nitdep(:,:)) * rfact2 |
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| 142 | trn(:,:,1,jpfer) = trn(:,:,1,jpfer) + rivinp(:,:) * 3.e-5 * rfact2 |
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| 143 | trn(:,:,1,jpsil) = trn(:,:,1,jpsil) + zsidep (:,:) + cotdep(:,:) * rfact2 / 6. |
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| 144 | trn(:,:,1,jpdic) = trn(:,:,1,jpdic) + rivinp(:,:) * 2.631 * rfact2 |
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| 145 | trn(:,:,1,jptal) = trn(:,:,1,jptal) + (cotdep(:,:) - rno3*(rivinp(:,:) + nitdep(:,:) ) ) * rfact2 |
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| 146 | |
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| 147 | |
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| 148 | ! Add the external input of iron which is 3D distributed |
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| 149 | ! (dust, river and sediment mobilization) |
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| 150 | ! ------------------------------------------------------ |
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| 151 | DO jk = 1, jpkm1 |
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[1457] | 152 | trn(:,:,jk,jpfer) = trn(:,:,jk,jpfer) + zirondep(:,:,jk) + ironsed(:,:,jk) * rfact2 |
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[935] | 153 | END DO |
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| 154 | |
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[1180] | 155 | #if ! defined key_sed |
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[935] | 156 | ! Loss of biogenic silicon, Caco3 organic carbon in the sediments. |
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| 157 | ! First, the total loss is computed. |
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| 158 | ! The factor for calcite comes from the alkalinity effect |
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| 159 | ! ------------------------------------------------------------- |
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| 160 | DO jj = 1, jpj |
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| 161 | DO ji = 1, jpi |
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[2528] | 162 | ikt = mbkt(ji,jj) |
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[935] | 163 | # if defined key_kriest |
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[2823] | 164 | zwork1(ji,jj) = trn(ji,jj,ikt,jpdsi) * wscal (ji,jj,ikt) |
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| 165 | zwork2(ji,jj) = trn(ji,jj,ikt,jppoc) * wsbio3(ji,jj,ikt) |
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[935] | 166 | # else |
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[2823] | 167 | zwork1(ji,jj) = trn(ji,jj,ikt,jpdsi) * wsbio4(ji,jj,ikt) |
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| 168 | zwork2(ji,jj) = trn(ji,jj,ikt,jpgoc) * wsbio4(ji,jj,ikt) + trn(ji,jj,ikt,jppoc) * wsbio3(ji,jj,ikt) |
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[935] | 169 | # endif |
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[2823] | 170 | ! For calcite, burial efficiency is made a function of saturation |
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| 171 | zfactcal = MIN( excess(ji,jj,ikt), 0.2 ) |
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| 172 | zfactcal = MIN( 1., 1.3 * ( 0.2 - zfactcal ) / ( 0.4 - zfactcal ) ) |
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| 173 | zwork3(ji,jj) = trn(ji,jj,ikt,jpcal) * wscal (ji,jj,ikt) * 2.e0 * zfactcal |
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[935] | 174 | END DO |
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| 175 | END DO |
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[2823] | 176 | zsumsedsi = glob_sum( zwork1(:,:) * e1e2t(:,:) ) * r1_rday |
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| 177 | zsumsedpo4 = glob_sum( zwork2(:,:) * e1e2t(:,:) ) * r1_rday |
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| 178 | zsumsedcal = glob_sum( zwork3(:,:) * e1e2t(:,:) ) * r1_rday |
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[1180] | 179 | #endif |
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| 180 | |
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[2823] | 181 | ! THEN this loss is scaled at each bottom grid cell for |
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[935] | 182 | ! equilibrating the total budget of silica in the ocean. |
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| 183 | ! Thus, the amount of silica lost in the sediments equal |
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| 184 | ! the supply at the surface (dust+rivers) |
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| 185 | ! ------------------------------------------------------ |
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[2823] | 186 | #if ! defined key_sed |
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| 187 | zrivsil = 1._wp - ( sumdepsi + rivalkinput * r1_ryyss / 6. ) / zsumsedsi |
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| 188 | zrivpo4 = 1._wp - ( rivpo4input * r1_ryyss ) / zsumsedpo4 |
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| 189 | #endif |
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[935] | 190 | |
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| 191 | DO jj = 1, jpj |
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| 192 | DO ji = 1, jpi |
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[2823] | 193 | ikt = mbkt(ji,jj) |
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| 194 | zdep = xstep / fse3t(ji,jj,ikt) |
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| 195 | zwsbio4 = wsbio4(ji,jj,ikt) * zdep |
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| 196 | zwscal = wscal (ji,jj,ikt) * zdep |
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[2528] | 197 | # if defined key_kriest |
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[2823] | 198 | zsiloss = trn(ji,jj,ikt,jpdsi) * zwsbio4 |
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[935] | 199 | # else |
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[2823] | 200 | zsiloss = trn(ji,jj,ikt,jpdsi) * zwscal |
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[935] | 201 | # endif |
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[2823] | 202 | zcaloss = trn(ji,jj,ikt,jpcal) * zwscal |
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| 203 | ! |
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| 204 | trn(ji,jj,ikt,jpdsi) = trn(ji,jj,ikt,jpdsi) - zsiloss |
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| 205 | trn(ji,jj,ikt,jpcal) = trn(ji,jj,ikt,jpcal) - zcaloss |
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| 206 | #if ! defined key_sed |
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| 207 | trn(ji,jj,ikt,jpsil) = trn(ji,jj,ikt,jpsil) + zsiloss * zrivsil |
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| 208 | zfactcal = MIN( excess(ji,jj,ikt), 0.2 ) |
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| 209 | zfactcal = MIN( 1., 1.3 * ( 0.2 - zfactcal ) / ( 0.4 - zfactcal ) ) |
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| 210 | zrivalk = 1._wp - ( rivalkinput * r1_ryyss ) * zfactcal / zsumsedcal |
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| 211 | trn(ji,jj,ikt,jptal) = trn(ji,jj,ikt,jptal) + zcaloss * zrivalk * 2.0 |
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| 212 | trn(ji,jj,ikt,jpdic) = trn(ji,jj,ikt,jpdic) + zcaloss * zrivalk |
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| 213 | #endif |
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[935] | 214 | END DO |
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| 215 | END DO |
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| 216 | |
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| 217 | DO jj = 1, jpj |
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| 218 | DO ji = 1, jpi |
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[2823] | 219 | ikt = mbkt(ji,jj) |
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| 220 | zdep = xstep / fse3t(ji,jj,ikt) |
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| 221 | zwsbio4 = wsbio4(ji,jj,ikt) * zdep |
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| 222 | zwsbio3 = wsbio3(ji,jj,ikt) * zdep |
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| 223 | # if ! defined key_kriest |
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| 224 | trn(ji,jj,ikt,jpgoc) = trn(ji,jj,ikt,jpgoc) - trn(ji,jj,ikt,jpgoc) * zwsbio4 |
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| 225 | trn(ji,jj,ikt,jppoc) = trn(ji,jj,ikt,jppoc) - trn(ji,jj,ikt,jppoc) * zwsbio3 |
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| 226 | trn(ji,jj,ikt,jpbfe) = trn(ji,jj,ikt,jpbfe) - trn(ji,jj,ikt,jpbfe) * zwsbio4 |
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| 227 | trn(ji,jj,ikt,jpsfe) = trn(ji,jj,ikt,jpsfe) - trn(ji,jj,ikt,jpsfe) * zwsbio3 |
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| 228 | #if ! defined key_sed |
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| 229 | trn(ji,jj,ikt,jpdoc) = trn(ji,jj,ikt,jpdoc) & |
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| 230 | & + ( trn(ji,jj,ikt,jpgoc) * zwsbio4 + trn(ji,jj,ikt,jppoc) * zwsbio3 ) * zrivpo4 |
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| 231 | #endif |
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| 232 | |
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[935] | 233 | # else |
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[2823] | 234 | trn(ji,jj,ikt,jpnum) = trn(ji,jj,ikt,jpnum) - trn(ji,jj,ikt,jpnum) * zwsbio4 |
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| 235 | trn(ji,jj,ikt,jppoc) = trn(ji,jj,ikt,jppoc) - trn(ji,jj,ikt,jppoc) * zwsbio3 |
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| 236 | trn(ji,jj,ikt,jpsfe) = trn(ji,jj,ikt,jpsfe) - trn(ji,jj,ikt,jpsfe) * zwsbio3 |
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| 237 | #if ! defined key_sed |
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| 238 | trn(ji,jj,ikt,jpdoc) = trn(ji,jj,ikt,jpdoc) & |
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| 239 | & + ( trn(ji,jj,ikt,jpnum) * zwsbio4 + trn(ji,jj,ikt,jppoc) * zwsbio3 ) * zrivpo4 |
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| 240 | #endif |
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| 241 | |
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[935] | 242 | # endif |
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| 243 | END DO |
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| 244 | END DO |
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| 245 | |
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[2823] | 246 | |
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[935] | 247 | ! Nitrogen fixation (simple parameterization). The total gain |
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| 248 | ! from nitrogen fixation is scaled to balance the loss by |
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| 249 | ! denitrification |
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| 250 | ! ------------------------------------------------------------- |
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| 251 | |
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[2823] | 252 | zdenitot = glob_sum( ( denitr(:,:,:) * rdenit + denitnh4(:,:,:) * rdenita ) * cvol(:,:,:) * xnegtr(:,:,:) ) |
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[935] | 253 | |
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[1678] | 254 | ! Potential nitrogen fixation dependant on temperature and iron |
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[935] | 255 | ! ------------------------------------------------------------- |
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| 256 | |
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| 257 | !CDIR NOVERRCHK |
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| 258 | DO jk = 1, jpk |
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| 259 | !CDIR NOVERRCHK |
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| 260 | DO jj = 1, jpj |
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| 261 | !CDIR NOVERRCHK |
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| 262 | DO ji = 1, jpi |
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| 263 | zlim = ( 1.- xnanono3(ji,jj,jk) - xnanonh4(ji,jj,jk) ) |
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| 264 | IF( zlim <= 0.2 ) zlim = 0.01 |
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[2823] | 265 | #if defined key_degrad |
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| 266 | zfact = zlim * rfact2 * facvol(ji,jj,jk) |
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| 267 | #else |
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| 268 | zfact = zlim * rfact2 |
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| 269 | #endif |
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| 270 | znitrpot(ji,jj,jk) = MAX( 0.e0, ( 0.6 * tgfunc(ji,jj,jk) - 2.15 ) * r1_rday ) & |
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| 271 | & * zfact * trn(ji,jj,jk,jpfer) / ( concfediaz + trn(ji,jj,jk,jpfer) ) & |
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| 272 | & * ( 1.- EXP( -etot(ji,jj,jk) / diazolight ) ) |
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[935] | 273 | END DO |
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| 274 | END DO |
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| 275 | END DO |
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| 276 | |
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[2528] | 277 | znitrpottot = glob_sum( znitrpot(:,:,:) * cvol(:,:,:) ) |
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[935] | 278 | |
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| 279 | ! Nitrogen change due to nitrogen fixation |
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| 280 | ! ---------------------------------------- |
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| 281 | DO jk = 1, jpk |
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| 282 | DO jj = 1, jpj |
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| 283 | DO ji = 1, jpi |
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[2823] | 284 | zfact = znitrpot(ji,jj,jk) * nitrfix |
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[935] | 285 | trn(ji,jj,jk,jpnh4) = trn(ji,jj,jk,jpnh4) + zfact |
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[2823] | 286 | trn(ji,jj,jk,jptal) = trn(ji,jj,jk,jptal) + rno3 * zfact |
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[935] | 287 | trn(ji,jj,jk,jpoxy) = trn(ji,jj,jk,jpoxy) + zfact * o2nit |
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[2823] | 288 | trn(ji,jj,jk,jppo4) = trn(ji,jj,jk,jppo4) + 30. / 46. * zfact |
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| 289 | ! trn(ji,jj,jk,jppo4) = trn(ji,jj,jk,jppo4) + zfact |
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| 290 | END DO |
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| 291 | END DO |
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[935] | 292 | END DO |
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| 293 | |
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[2528] | 294 | #if defined key_diatrc |
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| 295 | zfact = 1.e+3 * rfact2r |
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[2823] | 296 | #if defined key_iomput |
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| 297 | zwork1(:,:) = ( zirondep(:,:,1) + ironsed(:,:,1) * rfact2 ) * zfact * fse3t(:,:,1) * tmask(:,:,1) |
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| 298 | zwork2(:,:) = znitrpot(:,:,1) * nitrif * zfact * fse3t(:,:,1) * tmask(:,:,1) |
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[2528] | 299 | IF( jnt == nrdttrc ) THEN |
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[2823] | 300 | CALL iom_put( "Irondep", zwork1 ) ! surface downward net flux of iron |
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| 301 | CALL iom_put( "Nfix" , zwork2 ) ! nitrogen fixation at surface |
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[2528] | 302 | ENDIF |
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[2823] | 303 | #else |
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| 304 | trc2d(:,:,jp_pcs0_2d + 11) = zirondep(:,:,1) * zfact * fse3t(:,:,1) * tmask(:,:,1) |
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| 305 | trc2d(:,:,jp_pcs0_2d + 12) = znitrpot(:,:,1) * nitrif * zfact * fse3t(:,:,1) * tmask(:,:,1) |
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[2528] | 306 | #endif |
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[935] | 307 | ! |
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[2823] | 308 | IF(ln_ctl) THEN ! print mean trends (USEd for debugging) |
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| 309 | WRITE(charout, fmt="('sed ')") |
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[935] | 310 | CALL prt_ctl_trc_info(charout) |
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| 311 | CALL prt_ctl_trc(tab4d=trn, mask=tmask, clinfo=ctrcnm) |
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[2823] | 312 | ENDIF |
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[935] | 313 | |
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[2823] | 314 | IF( ( wrk_not_released(2, 11,12,13,14) ) .OR. ( wrk_not_released(3, 2,3) ) ) & |
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[2715] | 315 | & CALL ctl_stop('p4z_sed: failed to release workspace arrays') |
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| 316 | |
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[935] | 317 | END SUBROUTINE p4z_sed |
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| 318 | |
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[2528] | 319 | SUBROUTINE p4z_sbc( kt ) |
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[935] | 320 | !!---------------------------------------------------------------------- |
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[2823] | 321 | !! *** routine p4z_sbc *** |
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[935] | 322 | !! |
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[2823] | 323 | !! ** purpose : read and interpolate the external sources of |
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[935] | 324 | !! nutrients |
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| 325 | !! |
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[2823] | 326 | !! ** method : read the files and interpolate the appropriate variables |
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[935] | 327 | !! |
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| 328 | !! ** input : external netcdf files |
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| 329 | !! |
---|
| 330 | !!---------------------------------------------------------------------- |
---|
| 331 | !! * arguments |
---|
| 332 | INTEGER, INTENT( in ) :: kt ! ocean time step |
---|
| 333 | |
---|
[2823] | 334 | !! * local declarations |
---|
| 335 | INTEGER :: ji,jj |
---|
| 336 | REAL(wp) :: zcoef |
---|
[935] | 337 | |
---|
| 338 | !!--------------------------------------------------------------------- |
---|
| 339 | |
---|
[2823] | 340 | ! Compute dust at nit000 or only if there is more than 1 time record in dust file |
---|
| 341 | IF( ln_dust ) THEN |
---|
| 342 | IF( kt == nit000 .OR. ( kt /= nit000 .AND. ntimes_dust > 1 ) ) THEN |
---|
| 343 | CALL fld_read( kt, 1, sf_dust ) |
---|
| 344 | dust(:,:) = sf_dust(1)%fnow(:,:,1) |
---|
| 345 | ENDIF |
---|
| 346 | ENDIF |
---|
[935] | 347 | |
---|
[2823] | 348 | ! N/P and Si releases due to coastal rivers |
---|
| 349 | ! Compute river at nit000 or only if there is more than 1 time record in river file |
---|
| 350 | ! ----------------------------------------- |
---|
| 351 | IF( ln_river ) THEN |
---|
| 352 | IF( kt == nit000 .OR. ( kt /= nit000 .AND. ntimes_riv > 1 ) ) THEN |
---|
| 353 | CALL fld_read( kt, 1, sf_riverdic ) |
---|
| 354 | CALL fld_read( kt, 1, sf_riverdoc ) |
---|
| 355 | DO jj = 1, jpj |
---|
| 356 | DO ji = 1, jpi |
---|
| 357 | zcoef = ryyss * cvol(ji,jj,1) |
---|
| 358 | cotdep(ji,jj) = sf_riverdic(1)%fnow(ji,jj,1) * 1E9 / ( 12. * zcoef + rtrn ) |
---|
| 359 | rivinp(ji,jj) = ( sf_riverdic(1)%fnow(ji,jj,1) + sf_riverdoc(1)%fnow(ji,jj,1) ) * 1E9 / ( 31.6* zcoef + rtrn ) |
---|
| 360 | END DO |
---|
| 361 | END DO |
---|
| 362 | ENDIF |
---|
| 363 | ENDIF |
---|
[935] | 364 | |
---|
[2823] | 365 | ! Compute N deposition at nit000 or only if there is more than 1 time record in N deposition file |
---|
| 366 | IF( ln_ndepo ) THEN |
---|
| 367 | IF( kt == nit000 .OR. ( kt /= nit000 .AND. ntimes_ndep > 1 ) ) THEN |
---|
| 368 | CALL fld_read( kt, 1, sf_ndepo ) |
---|
| 369 | DO jj = 1, jpj |
---|
| 370 | DO ji = 1, jpi |
---|
| 371 | nitdep(ji,jj) = 7.6 * sf_ndepo(1)%fnow(ji,jj,1) / ( 14E6 * ryyss * fse3t(ji,jj,1) + rtrn ) |
---|
| 372 | END DO |
---|
| 373 | END DO |
---|
| 374 | ENDIF |
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[935] | 375 | ENDIF |
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[2823] | 376 | ! |
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[935] | 377 | END SUBROUTINE p4z_sbc |
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| 378 | |
---|
| 379 | |
---|
| 380 | SUBROUTINE p4z_sed_init |
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| 381 | |
---|
| 382 | !!---------------------------------------------------------------------- |
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[2823] | 383 | !! *** routine p4z_sed_init *** |
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[935] | 384 | !! |
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[2823] | 385 | !! ** purpose : initialization of the external sources of nutrients |
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[935] | 386 | !! |
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[2823] | 387 | !! ** method : read the files and compute the budget |
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| 388 | !! called at the first timestep (nit000) |
---|
[935] | 389 | !! |
---|
| 390 | !! ** input : external netcdf files |
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| 391 | !! |
---|
| 392 | !!---------------------------------------------------------------------- |
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[2774] | 393 | ! |
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[2823] | 394 | INTEGER :: ji, jj, jk, jm |
---|
| 395 | INTEGER :: numdust, numriv, numiron, numdepo |
---|
| 396 | INTEGER :: ierr, ierr1, ierr2, ierr3 |
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| 397 | REAL(wp) :: zexpide, zdenitide, zmaskt |
---|
| 398 | REAL(wp), DIMENSION(nbtimes) :: zsteps ! times records |
---|
| 399 | REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: zdust, zndepo, zriverdic, zriverdoc, zcmask |
---|
[2774] | 400 | ! |
---|
[2823] | 401 | CHARACTER(len=100) :: cn_dir ! Root directory for location of ssr files |
---|
| 402 | TYPE(FLD_N) :: sn_dust, sn_riverdoc, sn_riverdic, sn_ndepo, sn_ironsed ! informations about the fields to be read |
---|
| 403 | NAMELIST/nampissed/cn_dir, sn_dust, sn_riverdic, sn_riverdoc, sn_ndepo, sn_ironsed, & |
---|
| 404 | & ln_dust, ln_river, ln_ndepo, ln_ironsed, & |
---|
| 405 | & sedfeinput, dustsolub, wdust, nitrfix, diazolight, concfediaz |
---|
[2774] | 406 | !!---------------------------------------------------------------------- |
---|
[2823] | 407 | ! ! number of seconds per year and per month |
---|
| 408 | ryyss = nyear_len(1) * rday |
---|
| 409 | rmtss = ryyss / raamo |
---|
| 410 | r1_rday = 1. / rday |
---|
| 411 | r1_ryyss = 1. / ryyss |
---|
| 412 | ! !* set file information |
---|
| 413 | cn_dir = './' ! directory in which the model is executed |
---|
| 414 | ! ... default values (NB: frequency positive => hours, negative => months) |
---|
| 415 | ! ! file ! frequency ! variable ! time intep ! clim ! 'yearly' or ! weights ! rotation ! |
---|
| 416 | ! ! name ! (hours) ! name ! (T/F) ! (T/F) ! 'monthly' ! filename ! pairs ! |
---|
| 417 | sn_dust = FLD_N( 'dust' , -1 , 'dust' , .true. , .true. , 'yearly' , '' , '' ) |
---|
| 418 | sn_riverdic = FLD_N( 'river' , -12 , 'riverdic' , .false. , .true. , 'yearly' , '' , '' ) |
---|
| 419 | sn_riverdoc = FLD_N( 'river' , -12 , 'riverdoc' , .false. , .true. , 'yearly' , '' , '' ) |
---|
| 420 | sn_ndepo = FLD_N( 'ndeposition', -12 , 'ndep' , .false. , .true. , 'yearly' , '' , '' ) |
---|
| 421 | sn_ironsed = FLD_N( 'ironsed' , -12 , 'bathy' , .false. , .true. , 'yearly' , '' , '' ) |
---|
[935] | 422 | |
---|
| 423 | |
---|
[2823] | 424 | REWIND( numnatp ) ! read numnat |
---|
| 425 | READ ( numnatp, nampissed ) |
---|
| 426 | |
---|
[935] | 427 | IF(lwp) THEN |
---|
| 428 | WRITE(numout,*) ' ' |
---|
[2823] | 429 | WRITE(numout,*) ' namelist : nampissed ' |
---|
[935] | 430 | WRITE(numout,*) ' ~~~~~~~~~~~~~~~~~ ' |
---|
[2823] | 431 | WRITE(numout,*) ' dust input from the atmosphere ln_dust = ', ln_dust |
---|
| 432 | WRITE(numout,*) ' river input of nutrients ln_river = ', ln_river |
---|
| 433 | WRITE(numout,*) ' atmospheric deposition of n ln_ndepo = ', ln_ndepo |
---|
| 434 | WRITE(numout,*) ' fe input from sediments ln_sedinput = ', ln_ironsed |
---|
| 435 | WRITE(numout,*) ' coastal release of iron sedfeinput = ', sedfeinput |
---|
| 436 | WRITE(numout,*) ' solubility of the dust dustsolub = ', dustsolub |
---|
| 437 | WRITE(numout,*) ' sinking speed of the dust wdust = ', wdust |
---|
| 438 | WRITE(numout,*) ' nitrogen fixation rate nitrfix = ', nitrfix |
---|
| 439 | WRITE(numout,*) ' nitrogen fixation sensitivty to light diazolight = ', diazolight |
---|
| 440 | WRITE(numout,*) ' fe half-saturation cste for diazotrophs concfediaz = ', concfediaz |
---|
| 441 | END IF |
---|
| 442 | |
---|
| 443 | IF( ln_dust .OR. ln_river .OR. ln_ndepo ) THEN |
---|
| 444 | ll_sbc = .TRUE. |
---|
| 445 | ELSE |
---|
| 446 | ll_sbc = .FALSE. |
---|
[935] | 447 | ENDIF |
---|
| 448 | |
---|
[2823] | 449 | ! dust input from the atmosphere |
---|
[935] | 450 | ! ------------------------------ |
---|
[2823] | 451 | IF( ln_dust ) THEN |
---|
| 452 | IF(lwp) WRITE(numout,*) ' initialize dust input from atmosphere ' |
---|
[935] | 453 | IF(lwp) WRITE(numout,*) ' ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ' |
---|
[2823] | 454 | ! |
---|
| 455 | ALLOCATE( sf_dust(1), STAT=ierr ) !* allocate and fill sf_sst (forcing structure) with sn_sst |
---|
| 456 | IF( ierr > 0 ) CALL ctl_stop( 'STOP', 'p4z_sed_init: unable to allocate sf_apr structure' ) |
---|
| 457 | ! |
---|
| 458 | CALL fld_fill( sf_dust, (/ sn_dust /), cn_dir, 'p4z_sed_init', 'Iron from sediment ', 'nampissed' ) |
---|
| 459 | ALLOCATE( sf_dust(1)%fnow(jpi,jpj,1) ) |
---|
| 460 | IF( sn_dust%ln_tint ) ALLOCATE( sf_dust(1)%fdta(jpi,jpj,1,2) ) |
---|
| 461 | ! |
---|
| 462 | ! Get total input dust ; need to compute total atmospheric supply of Si in a year |
---|
| 463 | CALL iom_open ( TRIM( sn_dust%clname ) , numdust ) |
---|
| 464 | CALL iom_gettime( numdust, zsteps, kntime=ntimes_dust) ! get number of record in file |
---|
| 465 | ALLOCATE( zdust(jpi,jpj,ntimes_dust) ) |
---|
| 466 | DO jm = 1, ntimes_dust |
---|
| 467 | CALL iom_get( numdust, jpdom_data, TRIM( sn_dust%clvar ), zdust(:,:,jm), jm ) |
---|
[935] | 468 | END DO |
---|
| 469 | CALL iom_close( numdust ) |
---|
[2823] | 470 | sumdepsi = 0.e0 |
---|
| 471 | DO jm = 1, ntimes_dust |
---|
| 472 | sumdepsi = sumdepsi + glob_sum( zdust(:,:,jm) * e1e2t(:,:) * tmask(:,:,1) ) |
---|
| 473 | ENDDO |
---|
| 474 | sumdepsi = sumdepsi * r1_ryyss * 8.8 * 0.075 / 28.1 |
---|
| 475 | DEALLOCATE( zdust) |
---|
[935] | 476 | ELSE |
---|
[2823] | 477 | dust(:,:) = 0._wp |
---|
| 478 | sumdepsi = 0._wp |
---|
| 479 | END IF |
---|
[935] | 480 | |
---|
[2823] | 481 | ! nutrient input from rivers |
---|
[935] | 482 | ! -------------------------- |
---|
[1511] | 483 | IF( ln_river ) THEN |
---|
[2823] | 484 | ALLOCATE( sf_riverdic(1), STAT=ierr1 ) !* allocate and fill sf_sst (forcing structure) with sn_sst |
---|
| 485 | ALLOCATE( sf_riverdoc(1), STAT=ierr2 ) !* allocate and fill sf_sst (forcing structure) with sn_sst |
---|
| 486 | IF( ierr1 + ierr2 > 0 ) CALL ctl_stop( 'STOP', 'p4z_sed_init: unable to allocate sf_apr structure' ) |
---|
| 487 | ! |
---|
| 488 | CALL fld_fill( sf_riverdic, (/ sn_riverdic /), cn_dir, 'p4z_sed_init', 'Input DOC from river ', 'nampissed' ) |
---|
| 489 | CALL fld_fill( sf_riverdoc, (/ sn_riverdoc /), cn_dir, 'p4z_sed_init', 'Input DOC from river ', 'nampissed' ) |
---|
| 490 | ALLOCATE( sf_riverdic(1)%fnow(jpi,jpj,1) ) |
---|
| 491 | ALLOCATE( sf_riverdoc(1)%fnow(jpi,jpj,1) ) |
---|
| 492 | IF( sn_riverdic%ln_tint ) ALLOCATE( sf_riverdic(1)%fdta(jpi,jpj,1,2) ) |
---|
| 493 | IF( sn_riverdoc%ln_tint ) ALLOCATE( sf_riverdoc(1)%fdta(jpi,jpj,1,2) ) |
---|
| 494 | ! Get total input rivers ; need to compute total river supply in a year |
---|
| 495 | CALL iom_open ( TRIM( sn_riverdic%clname ), numriv ) |
---|
| 496 | CALL iom_gettime( numriv, zsteps, kntime=ntimes_riv) |
---|
| 497 | ALLOCATE( zriverdic(jpi,jpj,ntimes_riv) ) ; ALLOCATE( zriverdoc(jpi,jpj,ntimes_riv) ) |
---|
| 498 | DO jm = 1, ntimes_riv |
---|
| 499 | CALL iom_get( numriv, jpdom_data, TRIM( sn_riverdic%clvar ), zriverdic(:,:,jm), jm ) |
---|
| 500 | CALL iom_get( numriv, jpdom_data, TRIM( sn_riverdoc%clvar ), zriverdoc(:,:,jm), jm ) |
---|
| 501 | END DO |
---|
[935] | 502 | CALL iom_close( numriv ) |
---|
[2823] | 503 | ! N/P and Si releases due to coastal rivers |
---|
| 504 | ! ----------------------------------------- |
---|
| 505 | rivpo4input = 0._wp |
---|
| 506 | rivalkinput = 0._wp |
---|
| 507 | DO jm = 1, ntimes_riv |
---|
| 508 | rivpo4input = rivpo4input + glob_sum( ( zriverdic(:,:,jm) + zriverdoc(:,:,jm) ) * tmask(:,:,1) ) |
---|
| 509 | rivalkinput = rivalkinput + glob_sum( zriverdic(:,:,jm) * tmask(:,:,1) ) |
---|
| 510 | END DO |
---|
| 511 | rivpo4input = rivpo4input * 1E9 / 31.6_wp |
---|
| 512 | rivalkinput = rivalkinput * 1E9 / 12._wp |
---|
| 513 | DEALLOCATE( zriverdic) ; DEALLOCATE( zriverdoc) |
---|
[935] | 514 | ELSE |
---|
[2823] | 515 | rivinp(:,:) = 0._wp |
---|
| 516 | cotdep(:,:) = 0._wp |
---|
| 517 | rivpo4input = 0._wp |
---|
| 518 | rivalkinput = 0._wp |
---|
| 519 | END IF |
---|
[935] | 520 | |
---|
[2823] | 521 | ! nutrient input from dust |
---|
[935] | 522 | ! ------------------------ |
---|
[1511] | 523 | IF( ln_ndepo ) THEN |
---|
[2823] | 524 | IF(lwp) WRITE(numout,*) ' initialize the nutrient input by dust from ndeposition.orca.nc' |
---|
[935] | 525 | IF(lwp) WRITE(numout,*) ' ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~' |
---|
[2823] | 526 | ALLOCATE( sf_ndepo(1), STAT=ierr3 ) !* allocate and fill sf_sst (forcing structure) with sn_sst |
---|
| 527 | IF( ierr3 > 0 ) CALL ctl_stop( 'STOP', 'p4z_sed_init: unable to allocate sf_apr structure' ) |
---|
| 528 | ! |
---|
| 529 | CALL fld_fill( sf_ndepo, (/ sn_ndepo /), cn_dir, 'p4z_sed_init', 'Iron from sediment ', 'nampissed' ) |
---|
| 530 | ALLOCATE( sf_ndepo(1)%fnow(jpi,jpj,1) ) |
---|
| 531 | IF( sn_ndepo%ln_tint ) ALLOCATE( sf_ndepo(1)%fdta(jpi,jpj,1,2) ) |
---|
| 532 | ! |
---|
| 533 | ! Get total input dust ; need to compute total atmospheric supply of N in a year |
---|
| 534 | CALL iom_open ( TRIM( sn_ndepo%clname ), numdepo ) |
---|
| 535 | CALL iom_gettime( numdepo, zsteps, kntime=ntimes_ndep) |
---|
| 536 | ALLOCATE( zndepo(jpi,jpj,ntimes_ndep) ) |
---|
| 537 | DO jm = 1, ntimes_ndep |
---|
| 538 | CALL iom_get( numdepo, jpdom_data, TRIM( sn_ndepo%clvar ), zndepo(:,:,jm), jm ) |
---|
| 539 | END DO |
---|
| 540 | CALL iom_close( numdepo ) |
---|
| 541 | nitdepinput = 0._wp |
---|
| 542 | DO jm = 1, ntimes_ndep |
---|
| 543 | nitdepinput = nitdepinput + glob_sum( zndepo(:,:,jm) * e1e2t(:,:) * tmask(:,:,1) ) |
---|
| 544 | ENDDO |
---|
| 545 | nitdepinput = nitdepinput * 7.6 / 14E6 |
---|
| 546 | DEALLOCATE( zndepo) |
---|
[935] | 547 | ELSE |
---|
[2823] | 548 | nitdep(:,:) = 0._wp |
---|
| 549 | nitdepinput = 0._wp |
---|
[935] | 550 | ENDIF |
---|
| 551 | |
---|
[2823] | 552 | ! coastal and island masks |
---|
[935] | 553 | ! ------------------------ |
---|
[2823] | 554 | IF( ln_ironsed ) THEN |
---|
| 555 | IF(lwp) WRITE(numout,*) ' computation of an island mask to enhance coastal supply of iron' |
---|
[935] | 556 | IF(lwp) WRITE(numout,*) ' ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~' |
---|
[2823] | 557 | CALL iom_open ( TRIM( sn_ironsed%clname ), numiron ) |
---|
| 558 | ALLOCATE( zcmask(jpi,jpj,jpk) ) |
---|
| 559 | CALL iom_get ( numiron, jpdom_data, TRIM( sn_ironsed%clvar ), zcmask(:,:,:), 1 ) |
---|
| 560 | CALL iom_close( numiron ) |
---|
[935] | 561 | ! |
---|
| 562 | DO jk = 1, 5 |
---|
| 563 | DO jj = 2, jpjm1 |
---|
[1503] | 564 | DO ji = fs_2, fs_jpim1 |
---|
[935] | 565 | IF( tmask(ji,jj,jk) /= 0. ) THEN |
---|
| 566 | zmaskt = tmask(ji+1,jj,jk) * tmask(ji-1,jj,jk) * tmask(ji,jj+1,jk) & |
---|
| 567 | & * tmask(ji,jj-1,jk) * tmask(ji,jj,jk+1) |
---|
[2774] | 568 | IF( zmaskt == 0. ) zcmask(ji,jj,jk ) = MAX( 0.1, zcmask(ji,jj,jk) ) |
---|
[2823] | 569 | END IF |
---|
[935] | 570 | END DO |
---|
| 571 | END DO |
---|
| 572 | END DO |
---|
[2823] | 573 | CALL lbc_lnk( zcmask , 'T', 1. ) ! lateral boundary conditions on cmask (sign unchanged) |
---|
[935] | 574 | DO jk = 1, jpk |
---|
| 575 | DO jj = 1, jpj |
---|
| 576 | DO ji = 1, jpi |
---|
[2823] | 577 | zexpide = MIN( 8.,( fsdept(ji,jj,jk) / 500. )**(-1.5) ) |
---|
| 578 | zdenitide = -0.9543 + 0.7662 * LOG( zexpide ) - 0.235 * LOG( zexpide )**2 |
---|
| 579 | zcmask(ji,jj,jk) = zcmask(ji,jj,jk) * MIN( 1., EXP( zdenitide ) / 0.5 ) |
---|
[935] | 580 | END DO |
---|
| 581 | END DO |
---|
| 582 | END DO |
---|
[2823] | 583 | ! Coastal supply of iron |
---|
| 584 | ! ------------------------- |
---|
| 585 | ironsed(:,:,jpk) = 0._wp |
---|
| 586 | DO jk = 1, jpkm1 |
---|
| 587 | ironsed(:,:,jk) = sedfeinput * zcmask(:,:,jk) / ( fse3t(:,:,jk) * rday ) |
---|
| 588 | END DO |
---|
| 589 | DEALLOCATE( zcmask) |
---|
[935] | 590 | ELSE |
---|
[2823] | 591 | ironsed(:,:,:) = 0._wp |
---|
[935] | 592 | ENDIF |
---|
[2823] | 593 | ! |
---|
| 594 | IF(lwp) THEN |
---|
| 595 | WRITE(numout,*) |
---|
| 596 | WRITE(numout,*) ' Total input of elements from river supply' |
---|
| 597 | WRITE(numout,*) ' ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~' |
---|
| 598 | WRITE(numout,*) ' N Supply : ', rivpo4input/7.6*1E3/1E12*14.,' TgN/yr' |
---|
| 599 | WRITE(numout,*) ' Si Supply : ', rivalkinput/6.*1E3/1E12*32.,' TgSi/yr' |
---|
| 600 | WRITE(numout,*) ' Alk Supply : ', rivalkinput*1E3/1E12,' Teq/yr' |
---|
| 601 | WRITE(numout,*) ' DIC Supply : ', rivpo4input*2.631*1E3*12./1E12,'TgC/yr' |
---|
| 602 | WRITE(numout,*) |
---|
| 603 | WRITE(numout,*) ' Total input of elements from atmospheric supply' |
---|
| 604 | WRITE(numout,*) ' ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~' |
---|
| 605 | WRITE(numout,*) ' N Supply : ', nitdepinput/7.6*1E3/1E12*14.,' TgN/yr' |
---|
| 606 | WRITE(numout,*) |
---|
| 607 | ENDIF |
---|
| 608 | ! |
---|
[935] | 609 | END SUBROUTINE p4z_sed_init |
---|
| 610 | |
---|
[2715] | 611 | INTEGER FUNCTION p4z_sed_alloc() |
---|
| 612 | !!---------------------------------------------------------------------- |
---|
| 613 | !! *** ROUTINE p4z_sed_alloc *** |
---|
| 614 | !!---------------------------------------------------------------------- |
---|
| 615 | |
---|
[2823] | 616 | ALLOCATE( dust (jpi,jpj), rivinp(jpi,jpj) , cotdep(jpi,jpj), & |
---|
| 617 | & nitdep(jpi,jpj), ironsed(jpi,jpj,jpk), STAT=p4z_sed_alloc ) |
---|
[2715] | 618 | |
---|
| 619 | IF( p4z_sed_alloc /= 0 ) CALL ctl_warn('p4z_sed_alloc : failed to allocate arrays.') |
---|
| 620 | |
---|
| 621 | END FUNCTION p4z_sed_alloc |
---|
[935] | 622 | #else |
---|
| 623 | !!====================================================================== |
---|
| 624 | !! Dummy module : No PISCES bio-model |
---|
| 625 | !!====================================================================== |
---|
| 626 | CONTAINS |
---|
| 627 | SUBROUTINE p4z_sed ! Empty routine |
---|
| 628 | END SUBROUTINE p4z_sed |
---|
| 629 | #endif |
---|
| 630 | |
---|
| 631 | !!====================================================================== |
---|
| 632 | END MODULE p4zsed |
---|