[3443] | 1 | MODULE p4zopt |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE p4zopt *** |
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| 4 | !! TOP - PISCES : Compute the light availability in the water column |
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| 5 | !!====================================================================== |
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[9169] | 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 | !! 3.2 ! 2009-04 (C. Ethe, G. Madec) optimisation |
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| 9 | !! 3.4 ! 2011-06 (O. Aumont, C. Ethe) Improve light availability of nano & diat |
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[3443] | 10 | !!---------------------------------------------------------------------- |
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| 11 | !! p4z_opt : light availability in the water column |
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| 12 | !!---------------------------------------------------------------------- |
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| 13 | USE trc ! tracer variables |
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| 14 | USE oce_trc ! tracer-ocean share variables |
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| 15 | USE sms_pisces ! Source Minus Sink of PISCES |
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| 16 | USE iom ! I/O manager |
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[9169] | 17 | USE fldread ! time interpolation |
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[13176] | 18 | USE prtctl ! print control for debugging |
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[3443] | 19 | |
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| 20 | IMPLICIT NONE |
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| 21 | PRIVATE |
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| 22 | |
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| 23 | PUBLIC p4z_opt ! called in p4zbio.F90 module |
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| 24 | PUBLIC p4z_opt_init ! called in trcsms_pisces.F90 module |
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| 25 | PUBLIC p4z_opt_alloc |
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| 26 | |
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| 27 | !! * Shared module variables |
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| 28 | |
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[9169] | 29 | LOGICAL :: ln_varpar ! boolean for variable PAR fraction |
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| 30 | REAL(wp) :: parlux ! Fraction of shortwave as PAR |
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| 31 | REAL(wp) :: xparsw ! parlux/3 |
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| 32 | REAL(wp) :: xsi0r ! 1. /rn_si0 |
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[3443] | 33 | |
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| 34 | TYPE(FLD), ALLOCATABLE, DIMENSION(:) :: sf_par ! structure of input par |
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[7970] | 35 | INTEGER , PARAMETER :: nbtimes = 366 !: maximum number of times record in a file |
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[3443] | 36 | INTEGER :: ntimes_par ! number of time steps in a file |
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[9169] | 37 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: par_varsw ! PAR fraction of shortwave |
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| 38 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: ekb, ekg, ekr ! wavelength (Red-Green-Blue) |
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[3443] | 39 | |
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| 40 | INTEGER :: nksrp ! levels below which the light cannot penetrate ( depth larger than 391 m) |
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| 41 | |
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[9169] | 42 | REAL(wp), DIMENSION(3,61) :: xkrgb ! tabulated attenuation coefficients for RGB absorption |
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[3443] | 43 | |
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[12377] | 44 | !! * Substitutions |
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| 45 | # include "do_loop_substitute.h90" |
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[3443] | 46 | !!---------------------------------------------------------------------- |
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[10067] | 47 | !! NEMO/TOP 4.0 , NEMO Consortium (2018) |
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[10069] | 48 | !! $Id$ |
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[10068] | 49 | !! Software governed by the CeCILL license (see ./LICENSE) |
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[3443] | 50 | !!---------------------------------------------------------------------- |
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| 51 | CONTAINS |
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| 52 | |
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[12377] | 53 | SUBROUTINE p4z_opt( kt, knt, Kbb, Kmm ) |
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[3443] | 54 | !!--------------------------------------------------------------------- |
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| 55 | !! *** ROUTINE p4z_opt *** |
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| 56 | !! |
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| 57 | !! ** Purpose : Compute the light availability in the water column |
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| 58 | !! depending on the depth and the chlorophyll concentration |
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| 59 | !! |
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| 60 | !! ** Method : - ??? |
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| 61 | !!--------------------------------------------------------------------- |
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[5385] | 62 | INTEGER, INTENT(in) :: kt, knt ! ocean time step |
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[12377] | 63 | INTEGER, INTENT(in) :: Kbb, Kmm ! time level indices |
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[3443] | 64 | ! |
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| 65 | INTEGER :: ji, jj, jk |
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| 66 | INTEGER :: irgb |
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[5385] | 67 | REAL(wp) :: zchl |
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[3443] | 68 | REAL(wp) :: zc0 , zc1 , zc2, zc3, z1_dep |
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[9125] | 69 | REAL(wp), ALLOCATABLE, DIMENSION(:,: ) :: zetmp5 |
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| 70 | REAL(wp), DIMENSION(jpi,jpj ) :: zdepmoy, zetmp1, zetmp2, zetmp3, zetmp4 |
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| 71 | REAL(wp), DIMENSION(jpi,jpj ) :: zqsr100, zqsr_corr |
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| 72 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: zpar, ze0, ze1, ze2, ze3, zchl3d |
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[3443] | 73 | !!--------------------------------------------------------------------- |
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| 74 | ! |
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[9169] | 75 | IF( ln_timing ) CALL timing_start('p4z_opt') |
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[3443] | 76 | |
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[9169] | 77 | IF( knt == 1 .AND. ln_varpar ) CALL p4z_opt_sbc( kt ) |
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[3443] | 78 | |
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| 79 | ! Initialisation of variables used to compute PAR |
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| 80 | ! ----------------------------------------------- |
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[7753] | 81 | ze1(:,:,:) = 0._wp |
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| 82 | ze2(:,:,:) = 0._wp |
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| 83 | ze3(:,:,:) = 0._wp |
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[7646] | 84 | ! |
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[3443] | 85 | ! !* attenuation coef. function of Chlorophyll and wavelength (Red-Green-Blue) |
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[9169] | 86 | ! ! -------------------------------------------------------- |
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[12377] | 87 | zchl3d(:,:,:) = tr(:,:,:,jpnch,Kbb) + tr(:,:,:,jpdch,Kbb) |
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| 88 | IF( ln_p5z ) zchl3d(:,:,:) = zchl3d(:,:,:) + tr(:,:,:,jppch,Kbb) |
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[7646] | 89 | ! |
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[12377] | 90 | DO_3D_11_11( 1, jpkm1 ) |
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| 91 | zchl = ( zchl3d(ji,jj,jk) + rtrn ) * 1.e6 |
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| 92 | zchl = MIN( 10. , MAX( 0.05, zchl ) ) |
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| 93 | irgb = NINT( 41 + 20.* LOG10( zchl ) + rtrn ) |
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| 94 | ! |
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| 95 | ekb(ji,jj,jk) = xkrgb(1,irgb) * e3t(ji,jj,jk,Kmm) |
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| 96 | ekg(ji,jj,jk) = xkrgb(2,irgb) * e3t(ji,jj,jk,Kmm) |
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| 97 | ekr(ji,jj,jk) = xkrgb(3,irgb) * e3t(ji,jj,jk,Kmm) |
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| 98 | END_3D |
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[3443] | 99 | ! !* Photosynthetically Available Radiation (PAR) |
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| 100 | ! ! -------------------------------------- |
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[5385] | 101 | IF( l_trcdm2dc ) THEN ! diurnal cycle |
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| 102 | ! |
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[9169] | 103 | zqsr_corr(:,:) = qsr_mean(:,:) / ( 1.-fr_i(:,:) + rtrn ) |
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[5385] | 104 | ! |
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[12377] | 105 | CALL p4z_opt_par( kt, Kmm, zqsr_corr, ze1, ze2, ze3, pqsr100 = zqsr100 ) |
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[6628] | 106 | ! |
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[5385] | 107 | DO jk = 1, nksrp |
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[7753] | 108 | etot_ndcy(:,:,jk) = ze1(:,:,jk) + ze2(:,:,jk) + ze3(:,:,jk) |
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[10362] | 109 | enano (:,:,jk) = 1.85 * ze1(:,:,jk) + 0.69 * ze2(:,:,jk) + 0.46 * ze3(:,:,jk) |
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| 110 | ediat (:,:,jk) = 1.62 * ze1(:,:,jk) + 0.74 * ze2(:,:,jk) + 0.63 * ze3(:,:,jk) |
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[5385] | 111 | END DO |
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[7646] | 112 | IF( ln_p5z ) THEN |
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| 113 | DO jk = 1, nksrp |
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[10362] | 114 | epico (:,:,jk) = 1.94 * ze1(:,:,jk) + 0.66 * ze2(:,:,jk) + 0.4 * ze3(:,:,jk) |
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[7646] | 115 | END DO |
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| 116 | ENDIF |
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[5385] | 117 | ! |
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[9169] | 118 | zqsr_corr(:,:) = qsr(:,:) / ( 1.-fr_i(:,:) + rtrn ) |
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[5385] | 119 | ! |
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[12377] | 120 | CALL p4z_opt_par( kt, Kmm, zqsr_corr, ze1, ze2, ze3 ) |
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[6628] | 121 | ! |
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[5385] | 122 | DO jk = 1, nksrp |
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[7753] | 123 | etot(:,:,jk) = ze1(:,:,jk) + ze2(:,:,jk) + ze3(:,:,jk) |
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[5385] | 124 | END DO |
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| 125 | ! |
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[3443] | 126 | ELSE |
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[5385] | 127 | ! |
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[9169] | 128 | zqsr_corr(:,:) = qsr(:,:) / ( 1.-fr_i(:,:) + rtrn ) |
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[5385] | 129 | ! |
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[12377] | 130 | CALL p4z_opt_par( kt, Kmm, zqsr_corr, ze1, ze2, ze3, pqsr100 = zqsr100 ) |
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[6628] | 131 | ! |
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[7753] | 132 | DO jk = 1, nksrp |
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[12377] | 133 | etot (:,:,jk) = ze1(:,:,jk) + ze2(:,:,jk) + ze3(:,:,jk) |
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[10362] | 134 | enano(:,:,jk) = 1.85 * ze1(:,:,jk) + 0.69 * ze2(:,:,jk) + 0.46 * ze3(:,:,jk) |
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| 135 | ediat(:,:,jk) = 1.62 * ze1(:,:,jk) + 0.74 * ze2(:,:,jk) + 0.63 * ze3(:,:,jk) |
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[5385] | 136 | END DO |
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[7646] | 137 | IF( ln_p5z ) THEN |
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[7753] | 138 | DO jk = 1, nksrp |
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[10362] | 139 | epico(:,:,jk) = 1.94 * ze1(:,:,jk) + 0.66 * ze2(:,:,jk) + 0.4 * ze3(:,:,jk) |
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[7646] | 140 | END DO |
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| 141 | ENDIF |
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[7753] | 142 | etot_ndcy(:,:,:) = etot(:,:,:) |
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[3443] | 143 | ENDIF |
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| 144 | |
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| 145 | |
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| 146 | IF( ln_qsr_bio ) THEN !* heat flux accros w-level (used in the dynamics) |
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| 147 | ! ! ------------------------ |
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[12377] | 148 | CALL p4z_opt_par( kt, Kmm, qsr, ze1, ze2, ze3, pe0=ze0 ) |
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[3443] | 149 | ! |
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[7753] | 150 | etot3(:,:,1) = qsr(:,:) * tmask(:,:,1) |
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[3443] | 151 | DO jk = 2, nksrp + 1 |
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[7753] | 152 | etot3(:,:,jk) = ( ze0(:,:,jk) + ze1(:,:,jk) + ze2(:,:,jk) + ze3(:,:,jk) ) * tmask(:,:,jk) |
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[5385] | 153 | END DO |
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| 154 | ! ! ------------------------ |
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[3443] | 155 | ENDIF |
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| 156 | ! !* Euphotic depth and level |
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[7753] | 157 | neln (:,:) = 1 ! ------------------------ |
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[12377] | 158 | heup (:,:) = gdepw(:,:,2,Kmm) |
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| 159 | heup_01(:,:) = gdepw(:,:,2,Kmm) |
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[3443] | 160 | |
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[12377] | 161 | DO_3D_11_11( 2, nksrp ) |
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| 162 | IF( etot_ndcy(ji,jj,jk) * tmask(ji,jj,jk) >= zqsr100(ji,jj) ) THEN |
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| 163 | neln(ji,jj) = jk+1 ! Euphotic level : 1rst T-level strictly below Euphotic layer |
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| 164 | ! ! nb: ensure the compatibility with nmld_trc definition in trd_mld_trc_zint |
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| 165 | heup(ji,jj) = gdepw(ji,jj,jk+1,Kmm) ! Euphotic layer depth |
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| 166 | ENDIF |
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| 167 | IF( etot_ndcy(ji,jj,jk) * tmask(ji,jj,jk) >= 0.50 ) THEN |
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| 168 | heup_01(ji,jj) = gdepw(ji,jj,jk+1,Kmm) ! Euphotic layer depth (light level definition) |
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| 169 | ENDIF |
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| 170 | END_3D |
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[5385] | 171 | ! |
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[7753] | 172 | heup (:,:) = MIN( 300., heup (:,:) ) |
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| 173 | heup_01(:,:) = MIN( 300., heup_01(:,:) ) |
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| 174 | ! !* mean light over the mixed layer |
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| 175 | zdepmoy(:,:) = 0.e0 ! ------------------------------- |
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| 176 | zetmp1 (:,:) = 0.e0 |
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| 177 | zetmp2 (:,:) = 0.e0 |
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[3443] | 178 | |
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[12377] | 179 | DO_3D_11_11( 1, nksrp ) |
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| 180 | IF( gdepw(ji,jj,jk+1,Kmm) <= hmld(ji,jj) ) THEN |
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| 181 | zetmp1 (ji,jj) = zetmp1 (ji,jj) + etot (ji,jj,jk) * e3t(ji,jj,jk,Kmm) ! remineralisation |
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| 182 | zetmp2 (ji,jj) = zetmp2 (ji,jj) + etot_ndcy(ji,jj,jk) * e3t(ji,jj,jk,Kmm) ! production |
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| 183 | zdepmoy(ji,jj) = zdepmoy(ji,jj) + e3t(ji,jj,jk,Kmm) |
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| 184 | ENDIF |
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| 185 | END_3D |
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[3443] | 186 | ! |
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[7753] | 187 | emoy(:,:,:) = etot(:,:,:) ! remineralisation |
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| 188 | zpar(:,:,:) = etot_ndcy(:,:,:) ! diagnostic : PAR with no diurnal cycle |
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[3443] | 189 | ! |
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[12377] | 190 | DO_3D_11_11( 1, nksrp ) |
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| 191 | IF( gdepw(ji,jj,jk+1,Kmm) <= hmld(ji,jj) ) THEN |
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| 192 | z1_dep = 1. / ( zdepmoy(ji,jj) + rtrn ) |
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| 193 | emoy (ji,jj,jk) = zetmp1(ji,jj) * z1_dep |
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| 194 | zpar (ji,jj,jk) = zetmp2(ji,jj) * z1_dep |
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| 195 | ENDIF |
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| 196 | END_3D |
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[5385] | 197 | ! |
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[10362] | 198 | zdepmoy(:,:) = 0.e0 |
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| 199 | zetmp3 (:,:) = 0.e0 |
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| 200 | zetmp4 (:,:) = 0.e0 |
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| 201 | ! |
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[12377] | 202 | DO_3D_11_11( 1, nksrp ) |
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| 203 | IF( gdepw(ji,jj,jk+1,Kmm) <= MIN(hmld(ji,jj), heup_01(ji,jj)) ) THEN |
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| 204 | zetmp3 (ji,jj) = zetmp3 (ji,jj) + enano (ji,jj,jk) * e3t(ji,jj,jk,Kmm) ! production |
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| 205 | zetmp4 (ji,jj) = zetmp4 (ji,jj) + ediat (ji,jj,jk) * e3t(ji,jj,jk,Kmm) ! production |
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| 206 | zdepmoy(ji,jj) = zdepmoy(ji,jj) + e3t(ji,jj,jk,Kmm) |
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| 207 | ENDIF |
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| 208 | END_3D |
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[10362] | 209 | enanom(:,:,:) = enano(:,:,:) |
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| 210 | ediatm(:,:,:) = ediat(:,:,:) |
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| 211 | ! |
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[12377] | 212 | DO_3D_11_11( 1, nksrp ) |
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| 213 | IF( gdepw(ji,jj,jk+1,Kmm) <= hmld(ji,jj) ) THEN |
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| 214 | z1_dep = 1. / ( zdepmoy(ji,jj) + rtrn ) |
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| 215 | enanom(ji,jj,jk) = zetmp3(ji,jj) * z1_dep |
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| 216 | ediatm(ji,jj,jk) = zetmp4(ji,jj) * z1_dep |
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| 217 | ENDIF |
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| 218 | END_3D |
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[10362] | 219 | ! |
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[7646] | 220 | IF( ln_p5z ) THEN |
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[12276] | 221 | ALLOCATE( zetmp5(jpi,jpj) ) ; zetmp5 (:,:) = 0.e0 |
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[12377] | 222 | DO_3D_11_11( 1, nksrp ) |
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| 223 | IF( gdepw(ji,jj,jk+1,Kmm) <= MIN(hmld(ji,jj), heup_01(ji,jj)) ) THEN |
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| 224 | zetmp5(ji,jj) = zetmp5 (ji,jj) + epico(ji,jj,jk) * e3t(ji,jj,jk,Kmm) ! production |
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| 225 | ENDIF |
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| 226 | END_3D |
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[10362] | 227 | ! |
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| 228 | epicom(:,:,:) = epico(:,:,:) |
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| 229 | ! |
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[12377] | 230 | DO_3D_11_11( 1, nksrp ) |
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| 231 | IF( gdepw(ji,jj,jk+1,Kmm) <= hmld(ji,jj) ) THEN |
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| 232 | z1_dep = 1. / ( zdepmoy(ji,jj) + rtrn ) |
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| 233 | epicom(ji,jj,jk) = zetmp5(ji,jj) * z1_dep |
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| 234 | ENDIF |
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| 235 | END_3D |
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[12276] | 236 | DEALLOCATE( zetmp5 ) |
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[7646] | 237 | ENDIF |
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[12276] | 238 | ! |
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| 239 | IF( lk_iomput .AND. knt == nrdttrc ) THEN |
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| 240 | CALL iom_put( "Heup" , heup(:,: ) * tmask(:,:,1) ) ! euphotic layer deptht |
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| 241 | CALL iom_put( "PARDM", zpar(:,:,:) * tmask(:,:,:) ) ! Photosynthetically Available Radiation |
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| 242 | CALL iom_put( "PAR" , emoy(:,:,:) * tmask(:,:,:) ) ! Photosynthetically Available Radiation |
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[3443] | 243 | ENDIF |
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| 244 | ! |
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[9169] | 245 | IF( ln_timing ) CALL timing_stop('p4z_opt') |
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[3443] | 246 | ! |
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| 247 | END SUBROUTINE p4z_opt |
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| 248 | |
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[9124] | 249 | |
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[12377] | 250 | SUBROUTINE p4z_opt_par( kt, Kmm, pqsr, pe1, pe2, pe3, pe0, pqsr100 ) |
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[3443] | 251 | !!---------------------------------------------------------------------- |
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[5385] | 252 | !! *** routine p4z_opt_par *** |
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[3443] | 253 | !! |
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[5385] | 254 | !! ** purpose : compute PAR of each wavelength (Red-Green-Blue) |
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| 255 | !! for a given shortwave radiation |
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| 256 | !! |
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| 257 | !!---------------------------------------------------------------------- |
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[9169] | 258 | INTEGER , INTENT(in) :: kt ! ocean time-step |
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[12377] | 259 | INTEGER , INTENT(in) :: Kmm ! ocean time-index |
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[9169] | 260 | REAL(wp), DIMENSION(jpi,jpj) , INTENT(in ) :: pqsr ! shortwave |
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| 261 | REAL(wp), DIMENSION(jpi,jpj,jpk), INTENT(inout) :: pe1 , pe2 , pe3 ! PAR ( R-G-B) |
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| 262 | REAL(wp), DIMENSION(jpi,jpj,jpk), INTENT(inout), OPTIONAL :: pe0 ! |
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| 263 | REAL(wp), DIMENSION(jpi,jpj) , INTENT( out), OPTIONAL :: pqsr100 ! |
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| 264 | ! |
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[5385] | 265 | INTEGER :: ji, jj, jk ! dummy loop indices |
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[9169] | 266 | REAL(wp), DIMENSION(jpi,jpj) :: zqsr ! shortwave |
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[5385] | 267 | !!---------------------------------------------------------------------- |
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| 268 | |
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| 269 | ! Real shortwave |
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[7753] | 270 | IF( ln_varpar ) THEN ; zqsr(:,:) = par_varsw(:,:) * pqsr(:,:) |
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| 271 | ELSE ; zqsr(:,:) = xparsw * pqsr(:,:) |
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[5385] | 272 | ENDIF |
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[6945] | 273 | |
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| 274 | ! Light at the euphotic depth |
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[9169] | 275 | IF( PRESENT( pqsr100 ) ) pqsr100(:,:) = 0.01 * 3. * zqsr(:,:) |
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[6945] | 276 | |
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[5385] | 277 | IF( PRESENT( pe0 ) ) THEN ! W-level |
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| 278 | ! |
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[7753] | 279 | pe0(:,:,1) = pqsr(:,:) - 3. * zqsr(:,:) ! ( 1 - 3 * alpha ) * q |
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| 280 | pe1(:,:,1) = zqsr(:,:) |
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| 281 | pe2(:,:,1) = zqsr(:,:) |
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| 282 | pe3(:,:,1) = zqsr(:,:) |
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[5385] | 283 | ! |
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| 284 | DO jk = 2, nksrp + 1 |
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| 285 | DO jj = 1, jpj |
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| 286 | DO ji = 1, jpi |
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[12377] | 287 | pe0(ji,jj,jk) = pe0(ji,jj,jk-1) * EXP( -e3t(ji,jj,jk-1,Kmm) * xsi0r ) |
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[9169] | 288 | pe1(ji,jj,jk) = pe1(ji,jj,jk-1) * EXP( -ekb (ji,jj,jk-1 ) ) |
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| 289 | pe2(ji,jj,jk) = pe2(ji,jj,jk-1) * EXP( -ekg (ji,jj,jk-1 ) ) |
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| 290 | pe3(ji,jj,jk) = pe3(ji,jj,jk-1) * EXP( -ekr (ji,jj,jk-1 ) ) |
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[5385] | 291 | END DO |
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| 292 | ! |
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| 293 | END DO |
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| 294 | ! |
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| 295 | END DO |
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| 296 | ! |
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| 297 | ELSE ! T- level |
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| 298 | ! |
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[7753] | 299 | pe1(:,:,1) = zqsr(:,:) * EXP( -0.5 * ekb(:,:,1) ) |
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| 300 | pe2(:,:,1) = zqsr(:,:) * EXP( -0.5 * ekg(:,:,1) ) |
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| 301 | pe3(:,:,1) = zqsr(:,:) * EXP( -0.5 * ekr(:,:,1) ) |
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[5385] | 302 | ! |
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[12377] | 303 | DO_3D_11_11( 2, nksrp ) |
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| 304 | pe1(ji,jj,jk) = pe1(ji,jj,jk-1) * EXP( -0.5 * ( ekb(ji,jj,jk-1) + ekb(ji,jj,jk) ) ) |
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| 305 | pe2(ji,jj,jk) = pe2(ji,jj,jk-1) * EXP( -0.5 * ( ekg(ji,jj,jk-1) + ekg(ji,jj,jk) ) ) |
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| 306 | pe3(ji,jj,jk) = pe3(ji,jj,jk-1) * EXP( -0.5 * ( ekr(ji,jj,jk-1) + ekr(ji,jj,jk) ) ) |
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| 307 | END_3D |
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[5385] | 308 | ! |
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| 309 | ENDIF |
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| 310 | ! |
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| 311 | END SUBROUTINE p4z_opt_par |
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| 312 | |
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| 313 | |
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| 314 | SUBROUTINE p4z_opt_sbc( kt ) |
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| 315 | !!---------------------------------------------------------------------- |
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| 316 | !! *** routine p4z_opt_sbc *** |
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| 317 | !! |
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[3443] | 318 | !! ** purpose : read and interpolate the variable PAR fraction |
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| 319 | !! of shortwave radiation |
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| 320 | !! |
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| 321 | !! ** method : read the files and interpolate the appropriate variables |
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| 322 | !! |
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| 323 | !! ** input : external netcdf files |
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| 324 | !! |
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| 325 | !!---------------------------------------------------------------------- |
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[9169] | 326 | INTEGER, INTENT(in) :: kt ! ocean time step |
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[9124] | 327 | ! |
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[3443] | 328 | INTEGER :: ji,jj |
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| 329 | REAL(wp) :: zcoef |
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| 330 | !!--------------------------------------------------------------------- |
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| 331 | ! |
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[9124] | 332 | IF( ln_timing ) CALL timing_start('p4z_optsbc') |
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[3443] | 333 | ! |
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| 334 | ! Compute par_varsw at nit000 or only if there is more than 1 time record in par coefficient file |
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| 335 | IF( ln_varpar ) THEN |
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| 336 | IF( kt == nit000 .OR. ( kt /= nit000 .AND. ntimes_par > 1 ) ) THEN |
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| 337 | CALL fld_read( kt, 1, sf_par ) |
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[5385] | 338 | par_varsw(:,:) = ( sf_par(1)%fnow(:,:,1) ) / 3.0 |
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[3443] | 339 | ENDIF |
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| 340 | ENDIF |
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| 341 | ! |
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[9124] | 342 | IF( ln_timing ) CALL timing_stop('p4z_optsbc') |
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[3443] | 343 | ! |
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[5385] | 344 | END SUBROUTINE p4z_opt_sbc |
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[3443] | 345 | |
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[9124] | 346 | |
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[3443] | 347 | SUBROUTINE p4z_opt_init |
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| 348 | !!---------------------------------------------------------------------- |
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| 349 | !! *** ROUTINE p4z_opt_init *** |
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| 350 | !! |
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| 351 | !! ** Purpose : Initialization of tabulated attenuation coef |
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| 352 | !! and of the percentage of PAR in Shortwave |
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| 353 | !! |
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| 354 | !! ** Input : external ascii and netcdf files |
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| 355 | !!---------------------------------------------------------------------- |
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[9169] | 356 | INTEGER :: numpar, ierr, ios ! Local integer |
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[3443] | 357 | ! |
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| 358 | CHARACTER(len=100) :: cn_dir ! Root directory for location of ssr files |
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| 359 | TYPE(FLD_N) :: sn_par ! informations about the fields to be read |
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| 360 | ! |
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| 361 | NAMELIST/nampisopt/cn_dir, sn_par, ln_varpar, parlux |
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| 362 | !!---------------------------------------------------------------------- |
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[9169] | 363 | IF(lwp) THEN |
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| 364 | WRITE(numout,*) |
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| 365 | WRITE(numout,*) 'p4z_opt_init : ' |
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| 366 | WRITE(numout,*) '~~~~~~~~~~~~ ' |
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| 367 | ENDIF |
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[4147] | 368 | READ ( numnatp_ref, nampisopt, IOSTAT = ios, ERR = 901) |
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[11536] | 369 | 901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'nampisopt in reference namelist' ) |
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[4147] | 370 | READ ( numnatp_cfg, nampisopt, IOSTAT = ios, ERR = 902 ) |
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[11536] | 371 | 902 IF( ios > 0 ) CALL ctl_nam ( ios , 'nampisopt in configuration namelist' ) |
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[4624] | 372 | IF(lwm) WRITE ( numonp, nampisopt ) |
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[3443] | 373 | |
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| 374 | IF(lwp) THEN |
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[9169] | 375 | WRITE(numout,*) ' Namelist : nampisopt ' |
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| 376 | WRITE(numout,*) ' PAR as a variable fraction of SW ln_varpar = ', ln_varpar |
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| 377 | WRITE(numout,*) ' Default value for the PAR fraction parlux = ', parlux |
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[3443] | 378 | ENDIF |
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| 379 | ! |
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| 380 | xparsw = parlux / 3.0 |
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[5385] | 381 | xsi0r = 1.e0 / rn_si0 |
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[3443] | 382 | ! |
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| 383 | ! Variable PAR at the surface of the ocean |
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| 384 | ! ---------------------------------------- |
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| 385 | IF( ln_varpar ) THEN |
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[9169] | 386 | IF(lwp) WRITE(numout,*) |
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| 387 | IF(lwp) WRITE(numout,*) ' ==>>> initialize variable par fraction (ln_varpar=T)' |
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[3443] | 388 | ! |
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| 389 | ALLOCATE( par_varsw(jpi,jpj) ) |
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| 390 | ! |
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| 391 | ALLOCATE( sf_par(1), STAT=ierr ) !* allocate and fill sf_sst (forcing structure) with sn_sst |
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| 392 | IF( ierr > 0 ) CALL ctl_stop( 'STOP', 'p4z_opt_init: unable to allocate sf_par structure' ) |
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| 393 | ! |
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| 394 | CALL fld_fill( sf_par, (/ sn_par /), cn_dir, 'p4z_opt_init', 'Variable PAR fraction ', 'nampisopt' ) |
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| 395 | ALLOCATE( sf_par(1)%fnow(jpi,jpj,1) ) |
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| 396 | IF( sn_par%ln_tint ) ALLOCATE( sf_par(1)%fdta(jpi,jpj,1,2) ) |
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| 397 | |
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| 398 | CALL iom_open ( TRIM( sn_par%clname ) , numpar ) |
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[10522] | 399 | ntimes_par = iom_getszuld( numpar ) ! get number of record in file |
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[3443] | 400 | ENDIF |
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| 401 | ! |
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| 402 | CALL trc_oce_rgb( xkrgb ) ! tabulated attenuation coefficients |
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| 403 | nksrp = trc_oce_ext_lev( r_si2, 0.33e2 ) ! max level of light extinction (Blue Chl=0.01) |
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| 404 | ! |
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[4292] | 405 | IF(lwp) WRITE(numout,*) ' level of light extinction = ', nksrp, ' ref depth = ', gdepw_1d(nksrp+1), ' m' |
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[3443] | 406 | ! |
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[7753] | 407 | ekr (:,:,:) = 0._wp |
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| 408 | ekb (:,:,:) = 0._wp |
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| 409 | ekg (:,:,:) = 0._wp |
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| 410 | etot (:,:,:) = 0._wp |
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| 411 | etot_ndcy(:,:,:) = 0._wp |
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| 412 | enano (:,:,:) = 0._wp |
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| 413 | ediat (:,:,:) = 0._wp |
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| 414 | IF( ln_p5z ) epico (:,:,:) = 0._wp |
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| 415 | IF( ln_qsr_bio ) etot3 (:,:,:) = 0._wp |
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[3443] | 416 | ! |
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| 417 | END SUBROUTINE p4z_opt_init |
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| 418 | |
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| 419 | |
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| 420 | INTEGER FUNCTION p4z_opt_alloc() |
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| 421 | !!---------------------------------------------------------------------- |
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| 422 | !! *** ROUTINE p4z_opt_alloc *** |
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| 423 | !!---------------------------------------------------------------------- |
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[7646] | 424 | ! |
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| 425 | ALLOCATE( ekb(jpi,jpj,jpk), ekr(jpi,jpj,jpk), & |
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| 426 | ekg(jpi,jpj,jpk), STAT= p4z_opt_alloc ) |
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| 427 | ! |
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[10425] | 428 | IF( p4z_opt_alloc /= 0 ) CALL ctl_stop( 'STOP', 'p4z_opt_alloc : failed to allocate arrays.' ) |
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[3443] | 429 | ! |
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| 430 | END FUNCTION p4z_opt_alloc |
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| 431 | |
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| 432 | !!====================================================================== |
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[5656] | 433 | END MODULE p4zopt |
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