[10227] | 1 | MODULE p4zlim |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE p4zlim *** |
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| 4 | !! TOP : PISCES |
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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 ! 2011-04 (O. Aumont, C. Ethe) Limitation for iron modelled in quota |
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| 9 | !!---------------------------------------------------------------------- |
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| 10 | !! p4z_lim : Compute the nutrients limitation terms |
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| 11 | !! p4z_lim_init : Read the namelist |
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| 12 | !!---------------------------------------------------------------------- |
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| 13 | USE oce_trc ! Shared ocean-passive tracers variables |
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| 14 | USE trc ! Tracers defined |
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| 15 | USE sms_pisces ! PISCES variables |
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| 16 | USE iom ! I/O manager |
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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_lim |
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| 22 | PUBLIC p4z_lim_init |
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| 23 | PUBLIC p4z_lim_alloc |
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| 24 | |
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| 25 | !! * Shared module variables |
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| 26 | REAL(wp), PUBLIC :: concnno3 !: NO3, PO4 half saturation |
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| 27 | REAL(wp), PUBLIC :: concdno3 !: Phosphate half saturation for diatoms |
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| 28 | REAL(wp), PUBLIC :: concnnh4 !: NH4 half saturation for phyto |
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| 29 | REAL(wp), PUBLIC :: concdnh4 !: NH4 half saturation for diatoms |
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| 30 | REAL(wp), PUBLIC :: concnfer !: Iron half saturation for nanophyto |
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| 31 | REAL(wp), PUBLIC :: concdfer !: Iron half saturation for diatoms |
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| 32 | REAL(wp), PUBLIC :: concbno3 !: NO3 half saturation for bacteria |
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| 33 | REAL(wp), PUBLIC :: concbnh4 !: NH4 half saturation for bacteria |
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| 34 | REAL(wp), PUBLIC :: xsizedia !: Minimum size criteria for diatoms |
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| 35 | REAL(wp), PUBLIC :: xsizephy !: Minimum size criteria for nanophyto |
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| 36 | REAL(wp), PUBLIC :: xsizern !: Size ratio for nanophytoplankton |
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| 37 | REAL(wp), PUBLIC :: xsizerd !: Size ratio for diatoms |
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| 38 | REAL(wp), PUBLIC :: xksi1 !: half saturation constant for Si uptake |
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| 39 | REAL(wp), PUBLIC :: xksi2 !: half saturation constant for Si/C |
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| 40 | REAL(wp), PUBLIC :: xkdoc !: 2nd half-sat. of DOC remineralization |
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| 41 | REAL(wp), PUBLIC :: concbfe !: Fe half saturation for bacteria |
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| 42 | REAL(wp), PUBLIC :: oxymin !: half saturation constant for anoxia |
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| 43 | REAL(wp), PUBLIC :: qnfelim !: optimal Fe quota for nanophyto |
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| 44 | REAL(wp), PUBLIC :: qdfelim !: optimal Fe quota for diatoms |
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| 45 | REAL(wp), PUBLIC :: caco3r !: mean rainratio |
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| 46 | |
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| 47 | !!* Phytoplankton limitation terms |
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| 48 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: xnanono3 !: ??? |
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| 49 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: xdiatno3 !: ??? |
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| 50 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: xnanonh4 !: ??? |
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| 51 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: xdiatnh4 !: ??? |
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| 52 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: xnanopo4 !: ??? |
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| 53 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: xdiatpo4 !: ??? |
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| 54 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: xlimphy !: ??? |
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| 55 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: xlimdia !: ??? |
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| 56 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: xlimnfe !: ??? |
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| 57 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: xlimdfe !: ??? |
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| 58 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: xlimsi !: ??? |
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| 59 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: xlimbac !: ?? |
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| 60 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: xlimbacl !: ?? |
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| 61 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: concdfe !: ??? |
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| 62 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: concnfe !: ??? |
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| 63 | |
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| 64 | ! Coefficient for iron limitation |
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| 65 | REAL(wp) :: xcoef1 = 0.0016 / 55.85 |
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| 66 | REAL(wp) :: xcoef2 = 1.21E-5 * 14. / 55.85 / 7.625 * 0.5 * 1.5 |
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| 67 | REAL(wp) :: xcoef3 = 1.15E-4 * 14. / 55.85 / 7.625 * 0.5 |
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| 68 | |
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| 69 | !!---------------------------------------------------------------------- |
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| 70 | !! NEMO/TOP 4.0 , NEMO Consortium (2018) |
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| 71 | !! $Id: p4zlim.F90 10069 2018-08-28 14:12:24Z nicolasmartin $ |
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| 72 | !! Software governed by the CeCILL license (see ./LICENSE) |
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| 73 | !!---------------------------------------------------------------------- |
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| 74 | CONTAINS |
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| 75 | |
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[11949] | 76 | SUBROUTINE p4z_lim( kt, knt, Kbb, Kmm ) |
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[10227] | 77 | !!--------------------------------------------------------------------- |
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| 78 | !! *** ROUTINE p4z_lim *** |
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| 79 | !! |
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| 80 | !! ** Purpose : Compute the co-limitations by the various nutrients |
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| 81 | !! for the various phytoplankton species |
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| 82 | !! |
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| 83 | !! ** Method : - ??? |
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| 84 | !!--------------------------------------------------------------------- |
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| 85 | INTEGER, INTENT(in) :: kt, knt |
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[11949] | 86 | INTEGER, INTENT(in) :: Kbb, Kmm ! time level indices |
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[10227] | 87 | ! |
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| 88 | INTEGER :: ji, jj, jk |
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| 89 | REAL(wp) :: zlim1, zlim2, zlim3, zlim4, zno3, zferlim |
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| 90 | REAL(wp) :: zconcd, zconcd2, zconcn, zconcn2 |
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| 91 | REAL(wp) :: z1_trbdia, z1_trbphy, ztem1, ztem2, zetot1, zetot2 |
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| 92 | REAL(wp) :: zdenom, zratio, zironmin |
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| 93 | REAL(wp) :: zconc1d, zconc1dnh4, zconc0n, zconc0nnh4 |
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| 94 | !!--------------------------------------------------------------------- |
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| 95 | ! |
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| 96 | IF( ln_timing ) CALL timing_start('p4z_lim') |
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| 97 | ! |
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| 98 | DO jk = 1, jpkm1 |
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| 99 | DO jj = 1, jpj |
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| 100 | DO ji = 1, jpi |
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| 101 | |
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| 102 | ! Tuning of the iron concentration to a minimum level that is set to the detection limit |
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| 103 | !------------------------------------- |
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[11949] | 104 | zno3 = tr(ji,jj,jk,jpno3,Kbb) / 40.e-6 |
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[10227] | 105 | zferlim = MAX( 3e-11 * zno3 * zno3, 5e-12 ) |
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| 106 | zferlim = MIN( zferlim, 7e-11 ) |
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[11949] | 107 | tr(ji,jj,jk,jpfer,Kbb) = MAX( tr(ji,jj,jk,jpfer,Kbb), zferlim ) |
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[10227] | 108 | |
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| 109 | ! Computation of a variable Ks for iron on diatoms taking into account |
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| 110 | ! that increasing biomass is made of generally bigger cells |
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| 111 | !------------------------------------------------ |
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[11949] | 112 | zconcd = MAX( 0.e0 , tr(ji,jj,jk,jpdia,Kbb) - xsizedia ) |
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| 113 | zconcd2 = tr(ji,jj,jk,jpdia,Kbb) - zconcd |
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| 114 | zconcn = MAX( 0.e0 , tr(ji,jj,jk,jpphy,Kbb) - xsizephy ) |
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| 115 | zconcn2 = tr(ji,jj,jk,jpphy,Kbb) - zconcn |
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| 116 | z1_trbphy = 1. / ( tr(ji,jj,jk,jpphy,Kbb) + rtrn ) |
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| 117 | z1_trbdia = 1. / ( tr(ji,jj,jk,jpdia,Kbb) + rtrn ) |
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[10227] | 118 | |
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| 119 | concdfe(ji,jj,jk) = MAX( concdfer, ( zconcd2 * concdfer + concdfer * xsizerd * zconcd ) * z1_trbdia ) |
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| 120 | zconc1d = MAX( concdno3, ( zconcd2 * concdno3 + concdno3 * xsizerd * zconcd ) * z1_trbdia ) |
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| 121 | zconc1dnh4 = MAX( concdnh4, ( zconcd2 * concdnh4 + concdnh4 * xsizerd * zconcd ) * z1_trbdia ) |
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| 122 | |
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| 123 | concnfe(ji,jj,jk) = MAX( concnfer, ( zconcn2 * concnfer + concnfer * xsizern * zconcn ) * z1_trbphy ) |
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| 124 | zconc0n = MAX( concnno3, ( zconcn2 * concnno3 + concnno3 * xsizern * zconcn ) * z1_trbphy ) |
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| 125 | zconc0nnh4 = MAX( concnnh4, ( zconcn2 * concnnh4 + concnnh4 * xsizern * zconcn ) * z1_trbphy ) |
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| 126 | |
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| 127 | ! Michaelis-Menten Limitation term for nutrients Small bacteria |
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| 128 | ! ------------------------------------------------------------- |
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[11949] | 129 | zdenom = 1. / ( concbno3 * concbnh4 + concbnh4 * tr(ji,jj,jk,jpno3,Kbb) + concbno3 * tr(ji,jj,jk,jpnh4,Kbb) ) |
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| 130 | xnanono3(ji,jj,jk) = tr(ji,jj,jk,jpno3,Kbb) * concbnh4 * zdenom |
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| 131 | xnanonh4(ji,jj,jk) = tr(ji,jj,jk,jpnh4,Kbb) * concbno3 * zdenom |
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[10227] | 132 | ! |
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| 133 | zlim1 = xnanono3(ji,jj,jk) + xnanonh4(ji,jj,jk) |
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[11949] | 134 | zlim2 = tr(ji,jj,jk,jppo4,Kbb) / ( tr(ji,jj,jk,jppo4,Kbb) + concbnh4 ) |
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| 135 | zlim3 = tr(ji,jj,jk,jpfer,Kbb) / ( concbfe + tr(ji,jj,jk,jpfer,Kbb) ) |
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| 136 | zlim4 = tr(ji,jj,jk,jpdoc,Kbb) / ( xkdoc + tr(ji,jj,jk,jpdoc,Kbb) ) |
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[10227] | 137 | xlimbacl(ji,jj,jk) = MIN( zlim1, zlim2, zlim3 ) |
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| 138 | xlimbac (ji,jj,jk) = MIN( zlim1, zlim2, zlim3 ) * zlim4 |
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| 139 | |
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| 140 | ! Michaelis-Menten Limitation term for nutrients Small flagellates |
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| 141 | ! ----------------------------------------------- |
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[11949] | 142 | zdenom = 1. / ( zconc0n * zconc0nnh4 + zconc0nnh4 * tr(ji,jj,jk,jpno3,Kbb) + zconc0n * tr(ji,jj,jk,jpnh4,Kbb) ) |
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| 143 | xnanono3(ji,jj,jk) = tr(ji,jj,jk,jpno3,Kbb) * zconc0nnh4 * zdenom |
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| 144 | xnanonh4(ji,jj,jk) = tr(ji,jj,jk,jpnh4,Kbb) * zconc0n * zdenom |
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[10227] | 145 | ! |
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| 146 | zlim1 = xnanono3(ji,jj,jk) + xnanonh4(ji,jj,jk) |
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[11949] | 147 | zlim2 = tr(ji,jj,jk,jppo4,Kbb) / ( tr(ji,jj,jk,jppo4,Kbb) + zconc0nnh4 ) |
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| 148 | zratio = tr(ji,jj,jk,jpnfe,Kbb) * z1_trbphy |
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| 149 | zironmin = xcoef1 * tr(ji,jj,jk,jpnch,Kbb) * z1_trbphy + xcoef2 * zlim1 + xcoef3 * xnanono3(ji,jj,jk) |
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[10227] | 150 | zlim3 = MAX( 0.,( zratio - zironmin ) / qnfelim ) |
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| 151 | xnanopo4(ji,jj,jk) = zlim2 |
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| 152 | xlimnfe (ji,jj,jk) = MIN( 1., zlim3 ) |
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| 153 | xlimphy (ji,jj,jk) = MIN( zlim1, zlim2, zlim3 ) |
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| 154 | ! |
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| 155 | ! Michaelis-Menten Limitation term for nutrients Diatoms |
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| 156 | ! ---------------------------------------------- |
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[11949] | 157 | zdenom = 1. / ( zconc1d * zconc1dnh4 + zconc1dnh4 * tr(ji,jj,jk,jpno3,Kbb) + zconc1d * tr(ji,jj,jk,jpnh4,Kbb) ) |
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| 158 | xdiatno3(ji,jj,jk) = tr(ji,jj,jk,jpno3,Kbb) * zconc1dnh4 * zdenom |
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| 159 | xdiatnh4(ji,jj,jk) = tr(ji,jj,jk,jpnh4,Kbb) * zconc1d * zdenom |
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[10227] | 160 | ! |
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| 161 | zlim1 = xdiatno3(ji,jj,jk) + xdiatnh4(ji,jj,jk) |
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[11949] | 162 | zlim2 = tr(ji,jj,jk,jppo4,Kbb) / ( tr(ji,jj,jk,jppo4,Kbb) + zconc1dnh4 ) |
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| 163 | zlim3 = tr(ji,jj,jk,jpsil,Kbb) / ( tr(ji,jj,jk,jpsil,Kbb) + xksi(ji,jj) ) |
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| 164 | zratio = tr(ji,jj,jk,jpdfe,Kbb) * z1_trbdia |
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| 165 | zironmin = xcoef1 * tr(ji,jj,jk,jpdch,Kbb) * z1_trbdia + xcoef2 * zlim1 + xcoef3 * xdiatno3(ji,jj,jk) |
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[10227] | 166 | zlim4 = MAX( 0., ( zratio - zironmin ) / qdfelim ) |
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| 167 | xdiatpo4(ji,jj,jk) = zlim2 |
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| 168 | xlimdfe (ji,jj,jk) = MIN( 1., zlim4 ) |
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| 169 | xlimdia (ji,jj,jk) = MIN( zlim1, zlim2, zlim3, zlim4 ) |
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| 170 | xlimsi (ji,jj,jk) = MIN( zlim1, zlim2, zlim4 ) |
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| 171 | END DO |
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| 172 | END DO |
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| 173 | END DO |
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| 174 | |
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| 175 | ! Compute the fraction of nanophytoplankton that is made of calcifiers |
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| 176 | ! -------------------------------------------------------------------- |
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| 177 | DO jk = 1, jpkm1 |
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| 178 | DO jj = 1, jpj |
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| 179 | DO ji = 1, jpi |
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[11949] | 180 | zlim1 = ( tr(ji,jj,jk,jpno3,Kbb) * concnnh4 + tr(ji,jj,jk,jpnh4,Kbb) * concnno3 ) & |
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| 181 | & / ( concnno3 * concnnh4 + concnnh4 * tr(ji,jj,jk,jpno3,Kbb) + concnno3 * tr(ji,jj,jk,jpnh4,Kbb) ) |
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| 182 | zlim2 = tr(ji,jj,jk,jppo4,Kbb) / ( tr(ji,jj,jk,jppo4,Kbb) + concnnh4 ) |
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| 183 | zlim3 = tr(ji,jj,jk,jpfer,Kbb) / ( tr(ji,jj,jk,jpfer,Kbb) + 5.E-11 ) |
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| 184 | ztem1 = MAX( 0., ts(ji,jj,jk,jp_tem,Kmm) ) |
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| 185 | ztem2 = ts(ji,jj,jk,jp_tem,Kmm) - 10. |
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[10227] | 186 | zetot1 = MAX( 0., etot_ndcy(ji,jj,jk) - 1.) / ( 4. + etot_ndcy(ji,jj,jk) ) |
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| 187 | zetot2 = 30. / ( 30. + etot_ndcy(ji,jj,jk) ) |
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| 188 | |
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| 189 | xfracal(ji,jj,jk) = caco3r * MIN( zlim1, zlim2, zlim3 ) & |
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| 190 | & * ztem1 / ( 0.1 + ztem1 ) & |
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[11949] | 191 | & * MAX( 1., tr(ji,jj,jk,jpphy,Kbb) * 1.e6 / 2. ) & |
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[10227] | 192 | & * zetot1 * zetot2 & |
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| 193 | & * ( 1. + EXP(-ztem2 * ztem2 / 25. ) ) & |
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| 194 | & * MIN( 1., 50. / ( hmld(ji,jj) + rtrn ) ) |
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| 195 | xfracal(ji,jj,jk) = MIN( 0.8 , xfracal(ji,jj,jk) ) |
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| 196 | xfracal(ji,jj,jk) = MAX( 0.02, xfracal(ji,jj,jk) ) |
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| 197 | END DO |
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| 198 | END DO |
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| 199 | END DO |
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| 200 | ! |
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| 201 | DO jk = 1, jpkm1 |
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| 202 | DO jj = 1, jpj |
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| 203 | DO ji = 1, jpi |
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| 204 | ! denitrification factor computed from O2 levels |
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[11949] | 205 | nitrfac(ji,jj,jk) = MAX( 0.e0, 0.4 * ( 6.e-6 - tr(ji,jj,jk,jpoxy,Kbb) ) & |
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| 206 | & / ( oxymin + tr(ji,jj,jk,jpoxy,Kbb) ) ) |
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[10227] | 207 | nitrfac(ji,jj,jk) = MIN( 1., nitrfac(ji,jj,jk) ) |
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| 208 | ! |
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| 209 | ! denitrification factor computed from NO3 levels |
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[11949] | 210 | nitrfac2(ji,jj,jk) = MAX( 0.e0, ( 1.E-6 - tr(ji,jj,jk,jpno3,Kbb) ) & |
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| 211 | & / ( 1.E-6 + tr(ji,jj,jk,jpno3,Kbb) ) ) |
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[10227] | 212 | nitrfac2(ji,jj,jk) = MIN( 1., nitrfac2(ji,jj,jk) ) |
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| 213 | END DO |
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| 214 | END DO |
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| 215 | END DO |
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| 216 | ! |
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| 217 | IF( lk_iomput .AND. knt == nrdttrc ) THEN ! save output diagnostics |
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| 218 | IF( iom_use( "xfracal" ) ) CALL iom_put( "xfracal", xfracal(:,:,:) * tmask(:,:,:) ) ! euphotic layer deptht |
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| 219 | IF( iom_use( "LNnut" ) ) CALL iom_put( "LNnut" , xlimphy(:,:,:) * tmask(:,:,:) ) ! Nutrient limitation term |
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| 220 | IF( iom_use( "LDnut" ) ) CALL iom_put( "LDnut" , xlimdia(:,:,:) * tmask(:,:,:) ) ! Nutrient limitation term |
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| 221 | IF( iom_use( "LNFe" ) ) CALL iom_put( "LNFe" , xlimnfe(:,:,:) * tmask(:,:,:) ) ! Iron limitation term |
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| 222 | IF( iom_use( "LDFe" ) ) CALL iom_put( "LDFe" , xlimdfe(:,:,:) * tmask(:,:,:) ) ! Iron limitation term |
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| 223 | ENDIF |
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| 224 | ! |
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| 225 | IF( ln_timing ) CALL timing_stop('p4z_lim') |
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| 226 | ! |
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| 227 | END SUBROUTINE p4z_lim |
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| 228 | |
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| 229 | |
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| 230 | SUBROUTINE p4z_lim_init |
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| 231 | !!---------------------------------------------------------------------- |
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| 232 | !! *** ROUTINE p4z_lim_init *** |
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| 233 | !! |
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| 234 | !! ** Purpose : Initialization of nutrient limitation parameters |
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| 235 | !! |
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| 236 | !! ** Method : Read the nampislim namelist and check the parameters |
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| 237 | !! called at the first timestep (nittrc000) |
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| 238 | !! |
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| 239 | !! ** input : Namelist nampislim |
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| 240 | !! |
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| 241 | !!---------------------------------------------------------------------- |
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| 242 | INTEGER :: ios ! Local integer |
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| 243 | ! |
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| 244 | NAMELIST/namp4zlim/ concnno3, concdno3, concnnh4, concdnh4, concnfer, concdfer, concbfe, & |
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| 245 | & concbno3, concbnh4, xsizedia, xsizephy, xsizern, xsizerd, & |
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| 246 | & xksi1, xksi2, xkdoc, qnfelim, qdfelim, caco3r, oxymin |
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| 247 | !!---------------------------------------------------------------------- |
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| 248 | ! |
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| 249 | IF(lwp) THEN |
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| 250 | WRITE(numout,*) |
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| 251 | WRITE(numout,*) 'p4z_lim_init : initialization of nutrient limitations' |
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| 252 | WRITE(numout,*) '~~~~~~~~~~~~' |
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| 253 | ENDIF |
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| 254 | ! |
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| 255 | REWIND( numnatp_ref ) ! Namelist nampislim in reference namelist : Pisces nutrient limitation parameters |
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| 256 | READ ( numnatp_ref, namp4zlim, IOSTAT = ios, ERR = 901) |
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[11536] | 257 | 901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namp4zlim in reference namelist' ) |
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[10227] | 258 | REWIND( numnatp_cfg ) ! Namelist nampislim in configuration namelist : Pisces nutrient limitation parameters |
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| 259 | READ ( numnatp_cfg, namp4zlim, IOSTAT = ios, ERR = 902 ) |
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[11536] | 260 | 902 IF( ios > 0 ) CALL ctl_nam ( ios , 'namp4zlim in configuration namelist' ) |
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[10227] | 261 | IF(lwm) WRITE( numonp, namp4zlim ) |
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| 262 | ! |
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| 263 | IF(lwp) THEN ! control print |
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| 264 | WRITE(numout,*) ' Namelist : namp4zlim' |
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| 265 | WRITE(numout,*) ' mean rainratio caco3r = ', caco3r |
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| 266 | WRITE(numout,*) ' NO3 half saturation of nanophyto concnno3 = ', concnno3 |
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| 267 | WRITE(numout,*) ' NO3 half saturation of diatoms concdno3 = ', concdno3 |
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| 268 | WRITE(numout,*) ' NH4 half saturation for phyto concnnh4 = ', concnnh4 |
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| 269 | WRITE(numout,*) ' NH4 half saturation for diatoms concdnh4 = ', concdnh4 |
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| 270 | WRITE(numout,*) ' half saturation constant for Si uptake xksi1 = ', xksi1 |
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| 271 | WRITE(numout,*) ' half saturation constant for Si/C xksi2 = ', xksi2 |
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| 272 | WRITE(numout,*) ' half-sat. of DOC remineralization xkdoc = ', xkdoc |
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| 273 | WRITE(numout,*) ' Iron half saturation for nanophyto concnfer = ', concnfer |
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| 274 | WRITE(numout,*) ' Iron half saturation for diatoms concdfer = ', concdfer |
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| 275 | WRITE(numout,*) ' size ratio for nanophytoplankton xsizern = ', xsizern |
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| 276 | WRITE(numout,*) ' size ratio for diatoms xsizerd = ', xsizerd |
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| 277 | WRITE(numout,*) ' NO3 half saturation of bacteria concbno3 = ', concbno3 |
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| 278 | WRITE(numout,*) ' NH4 half saturation for bacteria concbnh4 = ', concbnh4 |
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| 279 | WRITE(numout,*) ' Minimum size criteria for diatoms xsizedia = ', xsizedia |
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| 280 | WRITE(numout,*) ' Minimum size criteria for nanophyto xsizephy = ', xsizephy |
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| 281 | WRITE(numout,*) ' Fe half saturation for bacteria concbfe = ', concbfe |
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| 282 | WRITE(numout,*) ' halk saturation constant for anoxia oxymin =' , oxymin |
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| 283 | WRITE(numout,*) ' optimal Fe quota for nano. qnfelim = ', qnfelim |
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| 284 | WRITE(numout,*) ' Optimal Fe quota for diatoms qdfelim = ', qdfelim |
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| 285 | ENDIF |
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| 286 | ! |
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| 287 | nitrfac (:,:,:) = 0._wp |
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| 288 | ! |
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| 289 | END SUBROUTINE p4z_lim_init |
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| 290 | |
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| 291 | |
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| 292 | INTEGER FUNCTION p4z_lim_alloc() |
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| 293 | !!---------------------------------------------------------------------- |
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| 294 | !! *** ROUTINE p5z_lim_alloc *** |
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| 295 | !!---------------------------------------------------------------------- |
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[10425] | 296 | USE lib_mpp , ONLY: ctl_stop |
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[10227] | 297 | !!---------------------------------------------------------------------- |
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| 298 | |
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| 299 | !* Biological arrays for phytoplankton growth |
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| 300 | ALLOCATE( xnanono3(jpi,jpj,jpk), xdiatno3(jpi,jpj,jpk), & |
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| 301 | & xnanonh4(jpi,jpj,jpk), xdiatnh4(jpi,jpj,jpk), & |
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| 302 | & xnanopo4(jpi,jpj,jpk), xdiatpo4(jpi,jpj,jpk), & |
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| 303 | & xlimphy (jpi,jpj,jpk), xlimdia (jpi,jpj,jpk), & |
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| 304 | & xlimnfe (jpi,jpj,jpk), xlimdfe (jpi,jpj,jpk), & |
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| 305 | & xlimbac (jpi,jpj,jpk), xlimbacl(jpi,jpj,jpk), & |
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| 306 | & concnfe (jpi,jpj,jpk), concdfe (jpi,jpj,jpk), & |
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| 307 | & xlimsi (jpi,jpj,jpk), STAT=p4z_lim_alloc ) |
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| 308 | ! |
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[10425] | 309 | IF( p4z_lim_alloc /= 0 ) CALL ctl_stop( 'STOP', 'p4z_lim_alloc : failed to allocate arrays.' ) |
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[10227] | 310 | ! |
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| 311 | END FUNCTION p4z_lim_alloc |
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| 312 | |
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| 313 | !!====================================================================== |
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| 314 | END MODULE p4zlim |
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