[11222] | 1 | MODULE p4zbc |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE p4sbc *** |
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| 4 | !! TOP : PISCES surface boundary conditions of external inputs of nutrients |
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| 5 | !!====================================================================== |
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| 6 | !! History : 3.5 ! 2012-07 (O. Aumont, C. Ethe) Original code |
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| 7 | !!---------------------------------------------------------------------- |
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| 8 | !! p4z_bc : Read and interpolate time-varying nutrients fluxes |
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| 9 | !! p4z_bc_init : Initialization of p4z_bc |
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| 10 | !!---------------------------------------------------------------------- |
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| 11 | USE oce_trc ! shared variables between ocean and passive tracers |
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| 12 | USE trc ! passive tracers common variables |
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| 13 | USE sms_pisces ! PISCES Source Minus Sink variables |
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| 14 | USE iom ! I/O manager |
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| 15 | USE fldread ! time interpolation |
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| 16 | USE trcbc |
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| 17 | |
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| 18 | IMPLICIT NONE |
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| 19 | PRIVATE |
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| 20 | |
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| 21 | PUBLIC p4z_bc |
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| 22 | PUBLIC p4z_bc_init |
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| 23 | |
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| 24 | LOGICAL , PUBLIC :: ln_ironsed !: boolean for Fe input from sediments |
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| 25 | LOGICAL , PUBLIC :: ln_hydrofe !: boolean for Fe input from hydrothermal vents |
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[15075] | 26 | LOGICAL , PUBLIC :: ln_dust_inp !: boolean for Fe input from hydrothermal vents |
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[11222] | 27 | REAL(wp), PUBLIC :: sedfeinput !: Coastal release of Iron |
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| 28 | REAL(wp), PUBLIC :: icefeinput !: Iron concentration in sea ice |
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| 29 | REAL(wp), PUBLIC :: wdust !: Sinking speed of the dust |
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| 30 | REAL(wp), PUBLIC :: mfrac !: Mineral Content of the dust |
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| 31 | REAL(wp) :: hratio !: Fe:3He ratio assumed for vent iron supply |
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| 32 | REAL(wp) :: distcoast !: Distance off the coast for Iron from sediments |
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| 33 | REAL(wp), PUBLIC :: lgw_rath !: Weak ligand ratio from hydro sources |
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| 34 | |
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| 35 | LOGICAL , PUBLIC :: ll_bc |
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| 36 | LOGICAL , PUBLIC :: ll_dust !: boolean for dust input from the atmosphere |
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| 37 | LOGICAL , PUBLIC :: ll_river !: boolean for river input of nutrients |
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| 38 | LOGICAL , PUBLIC :: ll_ndepo !: boolean for atmospheric deposition of N |
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| 39 | TYPE(FLD), ALLOCATABLE, DIMENSION(:) :: sf_dust ! structure of input dust |
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| 40 | TYPE(FLD), ALLOCATABLE, DIMENSION(:) :: sf_ironsed ! structure of input iron from sediment |
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| 41 | TYPE(FLD), ALLOCATABLE, DIMENSION(:) :: sf_hydrofe ! structure of input iron from sediment |
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| 42 | |
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| 43 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: dust !: dust fields |
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| 44 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: ironsed !: Coastal supply of iron |
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| 45 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: hydrofe !: Hydrothermal vent supply of iron |
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| 46 | |
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| 47 | REAL(wp), PUBLIC :: sedsilfrac, sedcalfrac |
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| 48 | |
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| 49 | !! * Substitutions |
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[12340] | 50 | # include "do_loop_substitute.h90" |
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[13237] | 51 | # include "domzgr_substitute.h90" |
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[11222] | 52 | !!---------------------------------------------------------------------- |
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| 53 | !! NEMO/TOP 4.0 , NEMO Consortium (2018) |
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| 54 | !! $Id: p4zbc.F90 10869 2019-04-15 10:34:03Z cetlod $ |
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| 55 | !! Software governed by the CeCILL license (see ./LICENSE) |
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| 56 | !!---------------------------------------------------------------------- |
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| 57 | CONTAINS |
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| 58 | |
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[12193] | 59 | SUBROUTINE p4z_bc( kt, Kbb, Kmm, Krhs ) |
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[11222] | 60 | !!---------------------------------------------------------------------- |
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| 61 | !! *** routine p4z_bc *** |
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| 62 | !! |
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| 63 | !! ** purpose : read and interpolate the external sources of nutrients |
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| 64 | !! |
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| 65 | !! ** method : read the files and interpolate the appropriate variables |
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| 66 | !! |
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| 67 | !! ** input : external netcdf files |
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| 68 | !! |
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| 69 | !!---------------------------------------------------------------------- |
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[12193] | 70 | INTEGER, INTENT(in) :: kt ! ocean time step |
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| 71 | INTEGER, INTENT(in) :: Kbb, Kmm, Krhs ! time level index |
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[11222] | 72 | ! |
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| 73 | INTEGER :: ji, jj, jk, jl |
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[14385] | 74 | REAL(wp) :: zdep, zwflux, zironice |
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| 75 | REAL(wp) :: zcoef, zwdust, zrivdin, zdustdep, zndep |
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[11222] | 76 | ! |
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| 77 | CHARACTER (len=25) :: charout |
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| 78 | !!--------------------------------------------------------------------- |
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| 79 | ! |
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| 80 | IF( ln_timing ) CALL timing_start('p4z_bc') |
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[14385] | 81 | |
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| 82 | ! Add the external input of nutrients from dust deposition in the water column |
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| 83 | ! The inputs at surface have already been added |
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| 84 | ! ---------------------------------------------------------- |
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[11222] | 85 | IF( ll_dust ) THEN |
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| 86 | ! |
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| 87 | CALL fld_read( kt, 1, sf_dust ) |
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| 88 | dust(:,:) = MAX( rtrn, sf_dust(1)%fnow(:,:,1) ) |
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| 89 | ! |
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[14385] | 90 | ! Iron solubilization of particles in the water column |
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| 91 | ! dust in kg/m2/s ---> 1/55.85 to put in mol/Fe ; wdust in m/d |
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| 92 | ! Dust are supposed to sink at wdust sinking speed. 3% of the iron |
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| 93 | ! in dust is hypothesized to be soluble at a dissolution rate set to |
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| 94 | ! 1/(250 days). The vertical distribution of iron in dust is computed |
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| 95 | ! from a steady state assumption. Parameters are very uncertain and |
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| 96 | ! are estimated from the literature quoted in Raiswell et al. (2011) |
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| 97 | ! ------------------------------------------------------------------- |
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| 98 | |
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| 99 | zwdust = 0.03 / ( wdust / rday ) / ( 250. * rday ) |
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[15075] | 100 | |
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| 101 | ! Atmospheric input of Iron dissolves in the water column |
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| 102 | IF ( ln_trc_sbc(jpfer) ) THEN |
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| 103 | DO_3D( 1, 1, 1, 1, 2, jpkm1 ) |
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| 104 | zdustdep = dust(ji,jj) * zwdust * rfact * EXP( -gdept(ji,jj,jk,Kmm) /( 250. * wdust ) ) |
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| 105 | ! |
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| 106 | tr(ji,jj,jk,jpfer,Krhs) = tr(ji,jj,jk,jpfer,Krhs) + zdustdep * mfrac / mMass_Fe |
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| 107 | END_3D |
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| 108 | |
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| 109 | IF( lk_iomput ) THEN |
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| 110 | ! surface downward dust depo of iron |
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| 111 | jl = n_trc_indsbc(jpfer) |
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| 112 | CALL iom_put( "Irondep", ( rf_trsfac(jl) * sf_trcsbc(jl)%fnow(:,:,1) / rn_sbc_time ) * 1.e+3 * tmask(:,:,1) ) |
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| 113 | |
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| 114 | ENDIF |
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| 115 | |
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| 116 | ENDIF |
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| 117 | |
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| 118 | ! Atmospheric input of PO4 dissolves in the water column |
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| 119 | IF ( ln_trc_sbc(jppo4) ) THEN |
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| 120 | DO_3D( 1, 1, 1, 1, 2, jpkm1 ) |
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| 121 | zdustdep = dust(ji,jj) * zwdust * rfact * EXP( -gdept(ji,jj,jk,Kmm) /( 250. * wdust ) ) |
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| 122 | ! |
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| 123 | tr(ji,jj,jk,jppo4,Krhs) = tr(ji,jj,jk,jppo4,Krhs) + zdustdep * 1.e-3 / mMass_P |
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| 124 | END_3D |
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| 125 | ENDIF |
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| 126 | |
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| 127 | ! Atmospheric input of Si dissolves in the water column |
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| 128 | IF ( ln_trc_sbc(jpsil) ) THEN |
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| 129 | DO_3D( 1, 1, 1, 1, 2, jpkm1 ) |
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| 130 | zdustdep = dust(ji,jj) * zwdust * rfact * EXP( -gdept(ji,jj,jk,Kmm) /( 250. * wdust ) ) |
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| 131 | ! |
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| 132 | tr(ji,jj,jk,jpsil,Krhs) = tr(ji,jj,jk,jpsil,Krhs) + zdustdep * 0.269 / mMass_Si |
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| 133 | END_3D |
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| 134 | ENDIF |
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| 135 | |
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[11222] | 136 | ! |
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| 137 | IF( lk_iomput ) THEN |
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[14385] | 138 | ! dust concentration at surface |
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[14786] | 139 | CALL iom_put( "pdust" , dust(:,:) / ( wdust / rday ) * tmask(:,:,1) ) ! dust concentration at surface |
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[11222] | 140 | ENDIF |
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| 141 | ENDIF |
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| 142 | |
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| 143 | ! ----------------------------------------- |
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[14385] | 144 | ! Add the external input of nutrients from river |
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[11222] | 145 | ! ---------------------------------------------------------- |
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| 146 | IF( ll_river ) THEN |
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| 147 | jl = n_trc_indcbc(jpno3) |
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[13295] | 148 | DO_2D( 1, 1, 1, 1 ) |
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[12340] | 149 | DO jk = 1, nk_rnf(ji,jj) |
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| 150 | zcoef = rn_rfact / ( e1e2t(ji,jj) * h_rnf(ji,jj) * rn_cbc_time ) * tmask(ji,jj,1) |
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| 151 | zrivdin = rf_trcfac(jl) * sf_trccbc(jl)%fnow(ji,jj,1) * zcoef |
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| 152 | tr(ji,jj,jk,jptal,Krhs) = tr(ji,jj,jk,jptal,Krhs) - rno3 * zrivdin * rfact |
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| 153 | ENDDO |
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| 154 | END_2D |
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[11222] | 155 | ENDIF |
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| 156 | |
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| 157 | ! Add the external input of nutrients from nitrogen deposition |
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| 158 | ! ---------------------------------------------------------- |
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| 159 | IF( ll_ndepo ) THEN |
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| 160 | IF( ln_trc_sbc(jpno3) ) THEN |
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| 161 | jl = n_trc_indsbc(jpno3) |
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[14385] | 162 | DO_2D( 1, 1, 1, 1 ) |
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| 163 | zndep = rf_trsfac(jl) * sf_trcsbc(jl)%fnow(ji,jj,1) / e3t(ji,jj,1,Kmm) / rn_sbc_time |
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| 164 | tr(ji,jj,1,jptal,Krhs) = tr(ji,jj,1,jptal,Krhs) - rno3 * zndep * rfact |
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| 165 | END_2D |
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[11222] | 166 | ENDIF |
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| 167 | IF( ln_trc_sbc(jpnh4) ) THEN |
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| 168 | jl = n_trc_indsbc(jpnh4) |
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[14385] | 169 | DO_2D( 1, 1, 1, 1 ) |
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| 170 | zndep = rf_trsfac(jl) * sf_trcsbc(jl)%fnow(ji,jj,1) / e3t(ji,jj,1,Kmm) / rn_sbc_time |
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[14786] | 171 | tr(ji,jj,1,jptal,Krhs) = tr(ji,jj,1,jptal,Krhs) + rno3 * zndep * rfact |
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[14385] | 172 | END_2D |
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[11222] | 173 | ENDIF |
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| 174 | ENDIF |
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| 175 | ! |
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[14385] | 176 | ! Iron input/uptake due to sea ice : Crude parameterization based on |
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| 177 | ! Lancelot et al. Iron concentration in sea-ice is constant and set |
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| 178 | ! in the namelist_pisces (icefeinput). ln_ironice is forced to false |
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| 179 | ! when nn_ice_tr = 1 |
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[11222] | 180 | ! ---------------------------------------------------- |
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| 181 | IF( ln_ironice ) THEN |
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| 182 | ! |
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[14385] | 183 | ! Compute the iron flux between sea ice and sea water |
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| 184 | ! Simple parameterization assuming a fixed constant concentration in |
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| 185 | ! sea-ice (icefeinput) |
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| 186 | ! ------------------------------------------------------------------ |
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[13295] | 187 | DO_2D( 1, 1, 1, 1 ) |
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[14385] | 188 | zdep = rfact / e3t(ji,jj,1,Kmm) |
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| 189 | zwflux = fmmflx(ji,jj) / 1000._wp |
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| 190 | zironice = MAX( -0.99 * tr(ji,jj,1,jpfer,Kbb), -zwflux * icefeinput * zdep ) |
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| 191 | tr(ji,jj,1,jpfer,Krhs) = tr(ji,jj,1,jpfer,Krhs) + zironice |
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[12340] | 192 | END_2D |
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[11222] | 193 | ! |
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[14385] | 194 | ! iron flux from ice |
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| 195 | IF( lk_iomput ) & |
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| 196 | & CALL iom_put( "Ironice", MAX( -0.99 * tr(:,:,1,jpfer,Kbb), (-1.*fmmflx(:,:)/1000._wp )*icefeinput*1.e+3*tmask(:,:,1)) ) |
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[11222] | 197 | ! |
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| 198 | ENDIF |
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| 199 | |
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| 200 | ! Add the external input of iron from sediment mobilization |
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| 201 | ! ------------------------------------------------------ |
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| 202 | IF( ln_ironsed .AND. .NOT.lk_sed ) THEN |
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[12193] | 203 | tr(:,:,:,jpfer,Krhs) = tr(:,:,:,jpfer,Krhs) + ironsed(:,:,:) * rfact |
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[11222] | 204 | ! |
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[12258] | 205 | IF( lk_iomput ) CALL iom_put( "Ironsed", ironsed(:,:,:) * 1.e+3 * tmask(:,:,:) ) |
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[11222] | 206 | ENDIF |
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| 207 | |
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| 208 | ! Add the external input of iron from hydrothermal vents |
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| 209 | ! ------------------------------------------------------ |
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| 210 | IF( ln_hydrofe ) THEN |
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| 211 | CALL fld_read( kt, 1, sf_hydrofe ) |
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| 212 | DO jk = 1, jpk |
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| 213 | hydrofe(:,:,jk) = ( MAX( rtrn, sf_hydrofe(1)%fnow(:,:,jk) ) * hratio ) & |
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[12193] | 214 | & / ( e1e2t(:,:) * e3t(:,:,jk,Kmm) * ryyss + rtrn ) / 1000._wp & |
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[11222] | 215 | & * tmask(:,:,jk) |
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| 216 | ENDDO |
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[12193] | 217 | tr(:,:,:,jpfer,Krhs) = tr(:,:,:,jpfer,Krhs) + hydrofe(:,:,:) * rfact |
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| 218 | IF( ln_ligand ) tr(:,:,:,jplgw,Krhs) = tr(:,:,:,jplgw,Krhs) + ( hydrofe(:,:,:) * lgw_rath ) * rfact |
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[11222] | 219 | ! |
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[12258] | 220 | IF( lk_iomput ) CALL iom_put( "HYDR", hydrofe(:,:,:) * 1.e+3 * tmask(:,:,:) ) ! hydrothermal iron input |
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[11222] | 221 | ENDIF |
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| 222 | IF( ln_timing ) CALL timing_stop('p4z_bc') |
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| 223 | ! |
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| 224 | END SUBROUTINE p4z_bc |
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| 225 | |
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| 226 | |
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[12193] | 227 | SUBROUTINE p4z_bc_init( Kmm ) |
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[11222] | 228 | !!---------------------------------------------------------------------- |
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| 229 | !! *** routine p4z_bc_init *** |
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| 230 | !! |
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| 231 | !! ** purpose : initialization of the external sources of nutrients |
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| 232 | !! |
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| 233 | !! ** method : read the files and compute the budget |
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| 234 | !! called at the first timestep (nittrc000) |
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| 235 | !! |
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| 236 | !! ** input : external netcdf files |
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| 237 | !! |
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| 238 | !!---------------------------------------------------------------------- |
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[12193] | 239 | INTEGER, INTENT( in ) :: Kmm ! time level index |
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[11222] | 240 | INTEGER :: ji, jj, jk, jm |
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| 241 | INTEGER :: ii0, ii1, ij0, ij1 |
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| 242 | INTEGER :: numiron |
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| 243 | INTEGER :: ierr, ierr1, ierr2, ierr3 |
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| 244 | INTEGER :: ios ! Local integer output status for namelist read |
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| 245 | INTEGER :: ik50 ! last level where depth less than 50 m |
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| 246 | REAL(wp) :: zexpide, zdenitide, zmaskt, zsurfc, zsurfp,ze3t, ze3t2, zcslp |
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| 247 | REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: zriver, zcmask |
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| 248 | ! |
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| 249 | CHARACTER(len=100) :: cn_dir ! Root directory for location of ssr files |
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| 250 | TYPE(FLD_N) :: sn_dust, sn_ironsed, sn_hydrofe ! informations about the fields to be read |
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| 251 | !! |
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| 252 | NAMELIST/nampisbc/cn_dir, sn_dust, sn_ironsed, sn_hydrofe, & |
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[15075] | 253 | & ln_ironsed, ln_ironice, ln_hydrofe, ln_dust_inp, & |
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| 254 | & sedfeinput, distcoast, icefeinput, wdust, mfrac, & |
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[11222] | 255 | & hratio, lgw_rath |
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| 256 | !!---------------------------------------------------------------------- |
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| 257 | ! |
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| 258 | IF(lwp) THEN |
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| 259 | WRITE(numout,*) |
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| 260 | WRITE(numout,*) 'p4z_bc_init : initialization of the external sources of nutrients ' |
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| 261 | WRITE(numout,*) '~~~~~~~~~~~~ ' |
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| 262 | ENDIF |
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| 263 | ! !* set file information |
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| 264 | READ ( numnatp_ref, nampisbc, IOSTAT = ios, ERR = 901) |
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[12111] | 265 | 901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'nampisbc in reference namelist' ) |
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[11222] | 266 | READ ( numnatp_cfg, nampisbc, IOSTAT = ios, ERR = 902 ) |
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[12111] | 267 | 902 IF( ios > 0 ) CALL ctl_nam ( ios , 'nampisbc in configuration namelist' ) |
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[11222] | 268 | IF(lwm) WRITE ( numonp, nampisbc ) |
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| 269 | |
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| 270 | |
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| 271 | IF(lwp) THEN |
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| 272 | WRITE(numout,*) ' Namelist : nampissbc ' |
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| 273 | WRITE(numout,*) ' Fe input from sediments ln_ironsed = ', ln_ironsed |
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| 274 | WRITE(numout,*) ' Fe input from seaice ln_ironice = ', ln_ironice |
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| 275 | WRITE(numout,*) ' fe input from hydrothermal vents ln_hydrofe = ', ln_hydrofe |
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| 276 | IF( ln_ironsed ) THEN |
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| 277 | WRITE(numout,*) ' coastal release of iron sedfeinput = ', sedfeinput |
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| 278 | WRITE(numout,*) ' distance off the coast distcoast = ', distcoast |
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| 279 | ENDIF |
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| 280 | IF( ln_ligand ) THEN |
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| 281 | WRITE(numout,*) ' Weak ligand ratio from sed hydro sources lgw_rath = ', lgw_rath |
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| 282 | ENDIF |
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| 283 | IF( ln_ironice ) THEN |
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| 284 | WRITE(numout,*) ' Iron concentration in sea ice icefeinput = ', icefeinput |
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| 285 | ENDIF |
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| 286 | IF( ln_trc_sbc(jpfer) ) THEN |
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| 287 | WRITE(numout,*) ' Mineral Fe content of the dust mfrac = ', mfrac |
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| 288 | WRITE(numout,*) ' sinking speed of the dust wdust = ', wdust |
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| 289 | ENDIF |
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| 290 | IF( ln_hydrofe ) THEN |
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| 291 | WRITE(numout,*) ' Fe to 3He ratio assumed for vent iron supply hratio = ', hratio |
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| 292 | ENDIF |
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| 293 | END IF |
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| 294 | |
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[15075] | 295 | ll_bc = ( ln_trcbc .AND. lltrcbc ) .OR. ln_hydrofe .OR. ln_ironsed .OR. ln_ironice .OR. ln_dust_inp |
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| 296 | ll_dust = ln_dust_inp |
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[11222] | 297 | ll_ndepo = ln_trc_sbc(jpno3) .OR. ln_trc_sbc(jpnh4) |
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| 298 | ll_river = ln_trc_cbc(jpno3) |
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| 299 | |
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| 300 | ! dust input from the atmosphere |
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| 301 | ! ------------------------------ |
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| 302 | IF( ll_dust ) THEN |
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| 303 | ! |
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| 304 | IF(lwp) WRITE(numout,*) ' initialize dust input from atmosphere ' |
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| 305 | IF(lwp) WRITE(numout,*) ' ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ' |
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| 306 | ! |
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| 307 | ALLOCATE( dust(jpi,jpj) ) |
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| 308 | ! |
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| 309 | ALLOCATE( sf_dust(1), STAT=ierr ) !* allocate and fill sf_sst (forcing structure) with sn_sst |
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[14416] | 310 | IF( ierr > 0 ) CALL ctl_stop( 'STOP', 'p4z_bc_init: unable to allocate sf_dust structure' ) |
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[11222] | 311 | ! |
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[14416] | 312 | CALL fld_fill( sf_dust, (/ sn_dust /), cn_dir, 'p4z_bc_init', 'Atmospheric dust deposition', 'nampisbc' ) |
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[11222] | 313 | ALLOCATE( sf_dust(1)%fnow(jpi,jpj,1) ) |
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| 314 | IF( sn_dust%ln_tint ) ALLOCATE( sf_dust(1)%fdta(jpi,jpj,1,2) ) |
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| 315 | ! |
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| 316 | END IF |
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| 317 | |
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| 318 | ! coastal and island masks |
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| 319 | ! ------------------------ |
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| 320 | IF( ln_ironsed ) THEN |
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| 321 | ! |
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| 322 | IF(lwp) WRITE(numout,*) |
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| 323 | IF(lwp) WRITE(numout,*) ' ==>>> ln_ironsed=T , computation of an island mask to enhance coastal supply of iron' |
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| 324 | ! |
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| 325 | ALLOCATE( ironsed(jpi,jpj,jpk) ) ! allocation |
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| 326 | ! |
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| 327 | CALL iom_open ( TRIM( sn_ironsed%clname ), numiron ) |
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| 328 | ALLOCATE( zcmask(jpi,jpj,jpk) ) |
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[13286] | 329 | CALL iom_get ( numiron, jpdom_global, TRIM( sn_ironsed%clvar ), zcmask(:,:,:), 1 ) |
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[11222] | 330 | CALL iom_close( numiron ) |
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| 331 | ! |
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| 332 | ik50 = 5 ! last level where depth less than 50 m |
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| 333 | DO jk = jpkm1, 1, -1 |
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| 334 | IF( gdept_1d(jk) > 50. ) ik50 = jk - 1 |
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| 335 | END DO |
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| 336 | IF(lwp) WRITE(numout,*) |
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| 337 | IF(lwp) WRITE(numout,*) ' Level corresponding to 50m depth ', ik50,' ', gdept_1d(ik50+1) |
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[13295] | 338 | DO_3D( 0, 0, 0, 0, 1, ik50 ) |
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[12340] | 339 | ze3t = e3t_0(ji,jj,jk) |
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| 340 | zsurfc = e1u(ji,jj) * ( 1. - umask(ji ,jj ,jk) ) & |
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| 341 | + e1u(ji,jj) * ( 1. - umask(ji-1,jj ,jk) ) & |
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| 342 | + e2v(ji,jj) * ( 1. - vmask(ji ,jj ,jk) ) & |
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| 343 | + e2v(ji,jj) * ( 1. - vmask(ji ,jj-1,jk) ) |
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| 344 | zsurfp = zsurfc * ze3t / e1e2t(ji,jj) |
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| 345 | ! estimation of the coastal slope : 5 km off the coast |
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| 346 | ze3t2 = ze3t * ze3t |
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| 347 | zcslp = SQRT( ( distcoast*distcoast + ze3t2 ) / ze3t2 ) |
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| 348 | ! |
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| 349 | zcmask(ji,jj,jk) = zcmask(ji,jj,jk) + zcslp * zsurfp |
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| 350 | END_3D |
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[11222] | 351 | ! |
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[13226] | 352 | CALL lbc_lnk( 'p4zbc', zcmask , 'T', 1.0_wp ) ! lateral boundary conditions on cmask (sign unchanged) |
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[11222] | 353 | ! |
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[13295] | 354 | DO_3D( 1, 1, 1, 1, 1, jpk ) |
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[12340] | 355 | zexpide = MIN( 8.,( gdept(ji,jj,jk,Kmm) / 500. )**(-1.5) ) |
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| 356 | zdenitide = -0.9543 + 0.7662 * LOG( zexpide ) - 0.235 * LOG( zexpide )**2 |
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| 357 | zcmask(ji,jj,jk) = zcmask(ji,jj,jk) * MIN( 1., EXP( zdenitide ) / 0.5 ) |
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| 358 | END_3D |
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[11222] | 359 | ! Coastal supply of iron |
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| 360 | ! ------------------------- |
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| 361 | ironsed(:,:,jpk) = 0._wp |
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| 362 | DO jk = 1, jpkm1 |
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| 363 | ironsed(:,:,jk) = sedfeinput * zcmask(:,:,jk) / ( e3t_0(:,:,jk) * rday ) |
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| 364 | END DO |
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| 365 | DEALLOCATE( zcmask) |
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| 366 | ENDIF |
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| 367 | ! |
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| 368 | ! Iron from Hydrothermal vents |
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| 369 | ! ------------------------ |
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| 370 | IF( ln_hydrofe ) THEN |
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| 371 | ! |
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| 372 | IF(lwp) WRITE(numout,*) |
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| 373 | IF(lwp) WRITE(numout,*) ' ==>>> ln_hydrofe=T , Input of iron from hydrothermal vents' |
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| 374 | ! |
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| 375 | ALLOCATE( hydrofe(jpi,jpj,jpk) ) ! allocation |
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| 376 | ! |
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| 377 | ALLOCATE( sf_hydrofe(1), STAT=ierr ) !* allocate and fill sf_sst (forcing structure) with sn_sst |
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[14416] | 378 | IF( ierr > 0 ) CALL ctl_stop( 'STOP', 'p4z_bc_init: unable to allocate sf_hydro structure' ) |
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[11222] | 379 | ! |
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[14416] | 380 | CALL fld_fill( sf_hydrofe, (/ sn_hydrofe /), cn_dir, 'p4z_bc_init', 'Input of iron from hydrothermal vents', 'nampisbc' ) |
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[11222] | 381 | ALLOCATE( sf_hydrofe(1)%fnow(jpi,jpj,jpk) ) |
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| 382 | IF( sn_hydrofe%ln_tint ) ALLOCATE( sf_hydrofe(1)%fdta(jpi,jpj,jpk,2) ) |
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| 383 | ! |
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| 384 | ENDIF |
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| 385 | ! |
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| 386 | END SUBROUTINE p4z_bc_init |
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| 387 | |
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| 388 | !!====================================================================== |
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| 389 | END MODULE p4zbc |
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