[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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| 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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| 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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| 17 | USE fldread ! time interpolation |
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| 18 | USE prtctl_trc ! print control for debugging |
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| 19 | |
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| 20 | |
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| 21 | IMPLICIT NONE |
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| 22 | PRIVATE |
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| 23 | |
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| 24 | PUBLIC p4z_opt ! called in p4zbio.F90 module |
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| 25 | PUBLIC p4z_opt_init ! called in trcsms_pisces.F90 module |
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| 26 | PUBLIC p4z_opt_alloc |
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| 27 | |
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| 28 | !! * Shared module variables |
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| 29 | |
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[4147] | 30 | LOGICAL :: ln_varpar !: boolean for variable PAR fraction |
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| 31 | REAL(wp) :: parlux !: Fraction of shortwave as PAR |
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[3443] | 32 | REAL(wp) :: xparsw !: parlux/3 |
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[5385] | 33 | REAL(wp) :: xsi0r !: 1. /rn_si0 |
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[3443] | 34 | |
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| 35 | TYPE(FLD), ALLOCATABLE, DIMENSION(:) :: sf_par ! structure of input par |
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[8841] | 36 | INTEGER , PARAMETER :: nbtimes = 366 !: maximum number of times record in a file |
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[3443] | 37 | INTEGER :: ntimes_par ! number of time steps in a file |
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| 38 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: par_varsw !: PAR fraction of shortwave |
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[7646] | 39 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: ekb, ekg, ekr !: wavelength (Red-Green-Blue) |
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[3443] | 40 | |
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| 41 | INTEGER :: nksrp ! levels below which the light cannot penetrate ( depth larger than 391 m) |
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| 42 | |
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[7646] | 43 | REAL(wp), DIMENSION(3,61) :: xkrgb !: tabulated attenuation coefficients for RGB absorption |
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[3443] | 44 | |
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| 45 | !!---------------------------------------------------------------------- |
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| 46 | !! NEMO/TOP 3.3 , NEMO Consortium (2010) |
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| 47 | !! $Id: p4zopt.F90 3160 2011-11-20 14:27:18Z cetlod $ |
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| 48 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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| 49 | !!---------------------------------------------------------------------- |
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| 50 | CONTAINS |
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| 51 | |
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[5385] | 52 | SUBROUTINE p4z_opt( kt, knt ) |
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[3443] | 53 | !!--------------------------------------------------------------------- |
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| 54 | !! *** ROUTINE p4z_opt *** |
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| 55 | !! |
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| 56 | !! ** Purpose : Compute the light availability in the water column |
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| 57 | !! depending on the depth and the chlorophyll concentration |
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| 58 | !! |
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| 59 | !! ** Method : - ??? |
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| 60 | !!--------------------------------------------------------------------- |
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| 61 | ! |
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[5385] | 62 | INTEGER, INTENT(in) :: kt, knt ! ocean time step |
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[3443] | 63 | ! |
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| 64 | INTEGER :: ji, jj, jk |
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| 65 | INTEGER :: irgb |
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[5385] | 66 | REAL(wp) :: zchl |
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[3443] | 67 | REAL(wp) :: zc0 , zc1 , zc2, zc3, z1_dep |
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[6628] | 68 | REAL(wp), POINTER, DIMENSION(:,: ) :: zdepmoy, zetmp1, zetmp2, zetmp3, zetmp4 |
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[7646] | 69 | REAL(wp), POINTER, DIMENSION(:,: ) :: zetmp5 |
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[6628] | 70 | REAL(wp), POINTER, DIMENSION(:,: ) :: zqsr100, zqsr_corr |
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[7646] | 71 | REAL(wp), POINTER, DIMENSION(:,:,:) :: zpar, ze0, ze1, ze2, ze3, zchl3d |
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[3443] | 72 | !!--------------------------------------------------------------------- |
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| 73 | ! |
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| 74 | IF( nn_timing == 1 ) CALL timing_start('p4z_opt') |
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| 75 | ! |
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| 76 | ! Allocate temporary workspace |
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[7646] | 77 | CALL wrk_alloc( jpi, jpj, zdepmoy, zetmp1, zetmp2, zetmp3, zetmp4 ) |
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| 78 | CALL wrk_alloc( jpi, jpj, zqsr100, zqsr_corr ) |
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| 79 | IF( ln_p5z ) CALL wrk_alloc( jpi, jpj, zetmp5 ) |
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| 80 | CALL wrk_alloc( jpi, jpj, jpk, zpar , ze0, ze1, ze2, ze3, zchl3d ) |
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[3443] | 81 | |
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[5385] | 82 | IF( knt == 1 .AND. ln_varpar ) CALL p4z_opt_sbc( kt ) |
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[3443] | 83 | |
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| 84 | ! Initialisation of variables used to compute PAR |
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| 85 | ! ----------------------------------------------- |
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[7753] | 86 | ze1(:,:,:) = 0._wp |
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| 87 | ze2(:,:,:) = 0._wp |
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| 88 | ze3(:,:,:) = 0._wp |
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[7646] | 89 | ! |
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[3443] | 90 | ! !* attenuation coef. function of Chlorophyll and wavelength (Red-Green-Blue) |
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[7646] | 91 | ! -------------------------------------------------------- |
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[7753] | 92 | zchl3d(:,:,:) = trb(:,:,:,jpnch) + trb(:,:,:,jpdch) |
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| 93 | IF( ln_p5z ) zchl3d(:,:,:) = zchl3d(:,:,:) + trb(:,:,:,jppch) |
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[7646] | 94 | ! |
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| 95 | DO jk = 1, jpkm1 |
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[3443] | 96 | DO jj = 1, jpj |
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| 97 | DO ji = 1, jpi |
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[7646] | 98 | zchl = ( zchl3d(ji,jj,jk) + rtrn ) * 1.e6 |
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[3443] | 99 | zchl = MIN( 10. , MAX( 0.05, zchl ) ) |
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| 100 | irgb = NINT( 41 + 20.* LOG10( zchl ) + rtrn ) |
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| 101 | ! |
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[6140] | 102 | ekb(ji,jj,jk) = xkrgb(1,irgb) * e3t_n(ji,jj,jk) |
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| 103 | ekg(ji,jj,jk) = xkrgb(2,irgb) * e3t_n(ji,jj,jk) |
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| 104 | ekr(ji,jj,jk) = xkrgb(3,irgb) * e3t_n(ji,jj,jk) |
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[3443] | 105 | END DO |
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| 106 | END DO |
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| 107 | END DO |
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| 108 | ! !* Photosynthetically Available Radiation (PAR) |
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| 109 | ! ! -------------------------------------- |
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[5385] | 110 | IF( l_trcdm2dc ) THEN ! diurnal cycle |
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| 111 | ! |
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[7753] | 112 | zqsr_corr(:,:) = qsr_mean(:,:) / ( 1. - fr_i(:,:) + rtrn ) |
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[5385] | 113 | ! |
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[6945] | 114 | CALL p4z_opt_par( kt, zqsr_corr, ze1, ze2, ze3, pqsr100 = zqsr100 ) |
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[6628] | 115 | ! |
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[5385] | 116 | DO jk = 1, nksrp |
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[7753] | 117 | etot_ndcy(:,:,jk) = ze1(:,:,jk) + ze2(:,:,jk) + ze3(:,:,jk) |
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| 118 | enano (:,:,jk) = 2.1 * ze1(:,:,jk) + 0.42 * ze2(:,:,jk) + 0.4 * ze3(:,:,jk) |
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| 119 | ediat (:,:,jk) = 1.6 * ze1(:,:,jk) + 0.69 * ze2(:,:,jk) + 0.7 * ze3(:,:,jk) |
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[5385] | 120 | END DO |
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[7646] | 121 | IF( ln_p5z ) THEN |
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| 122 | DO jk = 1, nksrp |
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[7753] | 123 | epico (:,:,jk) = 2.1 * ze1(:,:,jk) + 0.42 * ze2(:,:,jk) + 0.4 * ze3(:,:,jk) |
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[7646] | 124 | END DO |
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| 125 | ENDIF |
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[5385] | 126 | ! |
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[7753] | 127 | zqsr_corr(:,:) = qsr(:,:) / ( 1. - fr_i(:,:) + rtrn ) |
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[5385] | 128 | ! |
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[6628] | 129 | CALL p4z_opt_par( kt, zqsr_corr, ze1, ze2, ze3 ) |
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| 130 | ! |
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[5385] | 131 | DO jk = 1, nksrp |
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[7753] | 132 | etot(:,:,jk) = ze1(:,:,jk) + ze2(:,:,jk) + ze3(:,:,jk) |
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[5385] | 133 | END DO |
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| 134 | ! |
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[3443] | 135 | ELSE |
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[5385] | 136 | ! |
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[7753] | 137 | zqsr_corr(:,:) = qsr(:,:) / ( 1. - fr_i(:,:) + rtrn ) |
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[5385] | 138 | ! |
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[6945] | 139 | CALL p4z_opt_par( kt, zqsr_corr, ze1, ze2, ze3, pqsr100 = zqsr100 ) |
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[6628] | 140 | ! |
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[7753] | 141 | DO jk = 1, nksrp |
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| 142 | etot (:,:,jk) = ze1(:,:,jk) + ze2(:,:,jk) + ze3(:,:,jk) |
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| 143 | enano(:,:,jk) = 2.1 * ze1(:,:,jk) + 0.42 * ze2(:,:,jk) + 0.4 * ze3(:,:,jk) |
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| 144 | ediat(:,:,jk) = 1.6 * ze1(:,:,jk) + 0.69 * ze2(:,:,jk) + 0.7 * ze3(:,:,jk) |
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[5385] | 145 | END DO |
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[7646] | 146 | IF( ln_p5z ) THEN |
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[7753] | 147 | DO jk = 1, nksrp |
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| 148 | epico(:,:,jk) = 2.1 * ze1(:,:,jk) + 0.42 * ze2(:,:,jk) + 0.4 * ze3(:,:,jk) |
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[7646] | 149 | END DO |
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| 150 | ENDIF |
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[7753] | 151 | etot_ndcy(:,:,:) = etot(:,:,:) |
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[3443] | 152 | ENDIF |
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| 153 | |
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| 154 | |
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| 155 | IF( ln_qsr_bio ) THEN !* heat flux accros w-level (used in the dynamics) |
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| 156 | ! ! ------------------------ |
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[5385] | 157 | CALL p4z_opt_par( kt, qsr, ze1, ze2, ze3, pe0=ze0 ) |
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[3443] | 158 | ! |
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[7753] | 159 | etot3(:,:,1) = qsr(:,:) * tmask(:,:,1) |
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[3443] | 160 | DO jk = 2, nksrp + 1 |
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[7753] | 161 | etot3(:,:,jk) = ( ze0(:,:,jk) + ze1(:,:,jk) + ze2(:,:,jk) + ze3(:,:,jk) ) * tmask(:,:,jk) |
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[5385] | 162 | END DO |
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| 163 | ! ! ------------------------ |
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[3443] | 164 | ENDIF |
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| 165 | ! !* Euphotic depth and level |
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[7753] | 166 | neln (:,:) = 1 ! ------------------------ |
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| 167 | heup (:,:) = gdepw_n(:,:,2) |
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| 168 | heup_01(:,:) = gdepw_n(:,:,2) |
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[3443] | 169 | |
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| 170 | DO jk = 2, nksrp |
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| 171 | DO jj = 1, jpj |
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| 172 | DO ji = 1, jpi |
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[6945] | 173 | IF( etot_ndcy(ji,jj,jk) * tmask(ji,jj,jk) >= zqsr100(ji,jj) ) THEN |
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[3443] | 174 | neln(ji,jj) = jk+1 ! Euphotic level : 1rst T-level strictly below Euphotic layer |
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[5385] | 175 | ! ! nb: ensure the compatibility with nmld_trc definition in trd_mld_trc_zint |
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[6140] | 176 | heup(ji,jj) = gdepw_n(ji,jj,jk+1) ! Euphotic layer depth |
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[3443] | 177 | ENDIF |
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[7646] | 178 | IF( etot_ndcy(ji,jj,jk) * tmask(ji,jj,jk) >= 0.50 ) THEN |
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| 179 | heup_01(ji,jj) = gdepw_n(ji,jj,jk+1) ! Euphotic layer depth (light level definition) |
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| 180 | ENDIF |
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[3443] | 181 | END DO |
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| 182 | END DO |
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| 183 | END DO |
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[5385] | 184 | ! |
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[7753] | 185 | heup (:,:) = MIN( 300., heup (:,:) ) |
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| 186 | heup_01(:,:) = MIN( 300., heup_01(:,:) ) |
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| 187 | ! !* mean light over the mixed layer |
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| 188 | zdepmoy(:,:) = 0.e0 ! ------------------------------- |
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| 189 | zetmp1 (:,:) = 0.e0 |
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| 190 | zetmp2 (:,:) = 0.e0 |
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| 191 | zetmp3 (:,:) = 0.e0 |
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| 192 | zetmp4 (:,:) = 0.e0 |
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[3443] | 193 | |
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| 194 | DO jk = 1, nksrp |
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| 195 | DO jj = 1, jpj |
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| 196 | DO ji = 1, jpi |
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[6140] | 197 | IF( gdepw_n(ji,jj,jk+1) <= hmld(ji,jj) ) THEN |
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| 198 | zetmp1 (ji,jj) = zetmp1 (ji,jj) + etot (ji,jj,jk) * e3t_n(ji,jj,jk) ! remineralisation |
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| 199 | zetmp2 (ji,jj) = zetmp2 (ji,jj) + etot_ndcy(ji,jj,jk) * e3t_n(ji,jj,jk) ! production |
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| 200 | zetmp3 (ji,jj) = zetmp3 (ji,jj) + enano (ji,jj,jk) * e3t_n(ji,jj,jk) ! production |
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| 201 | zetmp4 (ji,jj) = zetmp4 (ji,jj) + ediat (ji,jj,jk) * e3t_n(ji,jj,jk) ! production |
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| 202 | zdepmoy(ji,jj) = zdepmoy(ji,jj) + e3t_n(ji,jj,jk) |
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[3443] | 203 | ENDIF |
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| 204 | END DO |
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| 205 | END DO |
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| 206 | END DO |
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| 207 | ! |
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[7753] | 208 | emoy(:,:,:) = etot(:,:,:) ! remineralisation |
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| 209 | zpar(:,:,:) = etot_ndcy(:,:,:) ! diagnostic : PAR with no diurnal cycle |
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[3443] | 210 | ! |
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| 211 | DO jk = 1, nksrp |
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| 212 | DO jj = 1, jpj |
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| 213 | DO ji = 1, jpi |
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[6140] | 214 | IF( gdepw_n(ji,jj,jk+1) <= hmld(ji,jj) ) THEN |
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[3443] | 215 | z1_dep = 1. / ( zdepmoy(ji,jj) + rtrn ) |
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[5385] | 216 | emoy (ji,jj,jk) = zetmp1(ji,jj) * z1_dep |
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| 217 | zpar (ji,jj,jk) = zetmp2(ji,jj) * z1_dep |
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| 218 | enano(ji,jj,jk) = zetmp3(ji,jj) * z1_dep |
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| 219 | ediat(ji,jj,jk) = zetmp4(ji,jj) * z1_dep |
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[3443] | 220 | ENDIF |
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| 221 | END DO |
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| 222 | END DO |
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| 223 | END DO |
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[5385] | 224 | ! |
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[7646] | 225 | IF( ln_p5z ) THEN |
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[7753] | 226 | zetmp5 (:,:) = 0.e0 |
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[7646] | 227 | DO jk = 1, nksrp |
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| 228 | DO jj = 1, jpj |
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| 229 | DO ji = 1, jpi |
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| 230 | IF( gdepw_n(ji,jj,jk+1) <= hmld(ji,jj) ) THEN |
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| 231 | z1_dep = 1. / ( zdepmoy(ji,jj) + rtrn ) |
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| 232 | zetmp5(ji,jj) = zetmp5 (ji,jj) + epico(ji,jj,jk) * e3t_n(ji,jj,jk) ! production |
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| 233 | epico(ji,jj,jk) = zetmp5(ji,jj) * z1_dep |
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| 234 | ENDIF |
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| 235 | END DO |
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| 236 | END DO |
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| 237 | END DO |
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| 238 | ENDIF |
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[4996] | 239 | IF( lk_iomput ) THEN |
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[5385] | 240 | IF( knt == nrdttrc ) THEN |
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| 241 | IF( iom_use( "Heup" ) ) CALL iom_put( "Heup" , heup(:,: ) * tmask(:,:,1) ) ! euphotic layer deptht |
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| 242 | IF( iom_use( "PARDM" ) ) CALL iom_put( "PARDM", zpar(:,:,:) * tmask(:,:,:) ) ! Photosynthetically Available Radiation |
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| 243 | IF( iom_use( "PAR" ) ) CALL iom_put( "PAR" , emoy(:,:,:) * tmask(:,:,:) ) ! Photosynthetically Available Radiation |
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[3443] | 244 | ENDIF |
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| 245 | ENDIF |
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| 246 | ! |
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[7646] | 247 | CALL wrk_dealloc( jpi, jpj, zdepmoy, zetmp1, zetmp2, zetmp3, zetmp4 ) |
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| 248 | CALL wrk_dealloc( jpi, jpj, zqsr100, zqsr_corr ) |
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| 249 | IF( ln_p5z ) CALL wrk_dealloc( jpi, jpj, zetmp5 ) |
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| 250 | CALL wrk_dealloc( jpi, jpj, jpk, zpar , ze0, ze1, ze2, ze3, zchl3d ) |
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[3443] | 251 | ! |
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| 252 | IF( nn_timing == 1 ) CALL timing_stop('p4z_opt') |
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| 253 | ! |
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| 254 | END SUBROUTINE p4z_opt |
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| 255 | |
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[6945] | 256 | SUBROUTINE p4z_opt_par( kt, pqsr, pe1, pe2, pe3, pe0, pqsr100 ) |
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[3443] | 257 | !!---------------------------------------------------------------------- |
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[5385] | 258 | !! *** routine p4z_opt_par *** |
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[3443] | 259 | !! |
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[5385] | 260 | !! ** purpose : compute PAR of each wavelength (Red-Green-Blue) |
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| 261 | !! for a given shortwave radiation |
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| 262 | !! |
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| 263 | !!---------------------------------------------------------------------- |
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| 264 | !! * arguments |
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| 265 | INTEGER, INTENT(in) :: kt ! ocean time-step |
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| 266 | REAL(wp), DIMENSION(jpi,jpj) , INTENT(in) :: pqsr ! shortwave |
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| 267 | REAL(wp), DIMENSION(jpi,jpj,jpk), INTENT(inout) :: pe1 , pe2 , pe3 ! PAR ( R-G-B) |
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| 268 | REAL(wp), DIMENSION(jpi,jpj,jpk), INTENT(inout), OPTIONAL :: pe0 |
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[6962] | 269 | REAL(wp), DIMENSION(jpi,jpj) , INTENT(out) , OPTIONAL :: pqsr100 |
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[5385] | 270 | !! * local variables |
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| 271 | INTEGER :: ji, jj, jk ! dummy loop indices |
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| 272 | REAL(wp), DIMENSION(jpi,jpj) :: zqsr ! shortwave |
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| 273 | !!---------------------------------------------------------------------- |
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| 274 | |
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| 275 | ! Real shortwave |
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[7753] | 276 | IF( ln_varpar ) THEN ; zqsr(:,:) = par_varsw(:,:) * pqsr(:,:) |
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| 277 | ELSE ; zqsr(:,:) = xparsw * pqsr(:,:) |
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[5385] | 278 | ENDIF |
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[6945] | 279 | |
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| 280 | ! Light at the euphotic depth |
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[7753] | 281 | IF( PRESENT( pqsr100 ) ) pqsr100(:,:) = 0.01 * 3. * zqsr(:,:) |
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[6945] | 282 | |
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[5385] | 283 | IF( PRESENT( pe0 ) ) THEN ! W-level |
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| 284 | ! |
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[7753] | 285 | pe0(:,:,1) = pqsr(:,:) - 3. * zqsr(:,:) ! ( 1 - 3 * alpha ) * q |
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| 286 | pe1(:,:,1) = zqsr(:,:) |
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| 287 | pe2(:,:,1) = zqsr(:,:) |
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| 288 | pe3(:,:,1) = zqsr(:,:) |
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[5385] | 289 | ! |
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| 290 | DO jk = 2, nksrp + 1 |
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| 291 | DO jj = 1, jpj |
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| 292 | DO ji = 1, jpi |
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[6140] | 293 | pe0(ji,jj,jk) = pe0(ji,jj,jk-1) * EXP( -e3t_n(ji,jj,jk-1) * xsi0r ) |
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[5385] | 294 | pe1(ji,jj,jk) = pe1(ji,jj,jk-1) * EXP( -ekb(ji,jj,jk-1 ) ) |
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| 295 | pe2(ji,jj,jk) = pe2(ji,jj,jk-1) * EXP( -ekg(ji,jj,jk-1 ) ) |
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| 296 | pe3(ji,jj,jk) = pe3(ji,jj,jk-1) * EXP( -ekr(ji,jj,jk-1 ) ) |
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| 297 | END DO |
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| 298 | ! |
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| 299 | END DO |
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| 300 | ! |
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| 301 | END DO |
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| 302 | ! |
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| 303 | ELSE ! T- level |
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| 304 | ! |
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[7753] | 305 | pe1(:,:,1) = zqsr(:,:) * EXP( -0.5 * ekb(:,:,1) ) |
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| 306 | pe2(:,:,1) = zqsr(:,:) * EXP( -0.5 * ekg(:,:,1) ) |
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| 307 | pe3(:,:,1) = zqsr(:,:) * EXP( -0.5 * ekr(:,:,1) ) |
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[5385] | 308 | ! |
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| 309 | DO jk = 2, nksrp |
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| 310 | DO jj = 1, jpj |
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| 311 | DO ji = 1, jpi |
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| 312 | 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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| 313 | 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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| 314 | 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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| 315 | END DO |
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| 316 | END DO |
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| 317 | END DO |
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| 318 | ! |
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| 319 | ENDIF |
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| 320 | ! |
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| 321 | END SUBROUTINE p4z_opt_par |
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| 322 | |
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| 323 | |
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| 324 | SUBROUTINE p4z_opt_sbc( kt ) |
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| 325 | !!---------------------------------------------------------------------- |
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| 326 | !! *** routine p4z_opt_sbc *** |
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| 327 | !! |
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[3443] | 328 | !! ** purpose : read and interpolate the variable PAR fraction |
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| 329 | !! of shortwave radiation |
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| 330 | !! |
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| 331 | !! ** method : read the files and interpolate the appropriate variables |
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| 332 | !! |
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| 333 | !! ** input : external netcdf files |
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| 334 | !! |
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| 335 | !!---------------------------------------------------------------------- |
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| 336 | !! * arguments |
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[5385] | 337 | INTEGER , INTENT(in) :: kt ! ocean time step |
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[3443] | 338 | |
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| 339 | !! * local declarations |
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| 340 | INTEGER :: ji,jj |
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| 341 | REAL(wp) :: zcoef |
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| 342 | !!--------------------------------------------------------------------- |
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| 343 | ! |
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| 344 | IF( nn_timing == 1 ) CALL timing_start('p4z_optsbc') |
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| 345 | ! |
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| 346 | ! Compute par_varsw at nit000 or only if there is more than 1 time record in par coefficient file |
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| 347 | IF( ln_varpar ) THEN |
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| 348 | IF( kt == nit000 .OR. ( kt /= nit000 .AND. ntimes_par > 1 ) ) THEN |
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| 349 | CALL fld_read( kt, 1, sf_par ) |
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[5385] | 350 | par_varsw(:,:) = ( sf_par(1)%fnow(:,:,1) ) / 3.0 |
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[3443] | 351 | ENDIF |
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| 352 | ENDIF |
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| 353 | ! |
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| 354 | IF( nn_timing == 1 ) CALL timing_stop('p4z_optsbc') |
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| 355 | ! |
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[5385] | 356 | END SUBROUTINE p4z_opt_sbc |
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[3443] | 357 | |
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| 358 | SUBROUTINE p4z_opt_init |
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| 359 | !!---------------------------------------------------------------------- |
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| 360 | !! *** ROUTINE p4z_opt_init *** |
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| 361 | !! |
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| 362 | !! ** Purpose : Initialization of tabulated attenuation coef |
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| 363 | !! and of the percentage of PAR in Shortwave |
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| 364 | !! |
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| 365 | !! ** Input : external ascii and netcdf files |
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| 366 | !!---------------------------------------------------------------------- |
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| 367 | ! |
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| 368 | INTEGER :: numpar |
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| 369 | INTEGER :: ierr |
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[4147] | 370 | INTEGER :: ios ! Local integer output status for namelist read |
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[3443] | 371 | REAL(wp), DIMENSION(nbtimes) :: zsteps ! times records |
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| 372 | ! |
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| 373 | CHARACTER(len=100) :: cn_dir ! Root directory for location of ssr files |
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| 374 | TYPE(FLD_N) :: sn_par ! informations about the fields to be read |
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| 375 | ! |
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| 376 | NAMELIST/nampisopt/cn_dir, sn_par, ln_varpar, parlux |
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| 377 | |
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| 378 | !!---------------------------------------------------------------------- |
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| 379 | |
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| 380 | IF( nn_timing == 1 ) CALL timing_start('p4z_opt_init') |
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| 381 | |
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[4147] | 382 | REWIND( numnatp_ref ) ! Namelist nampisopt in reference namelist : Pisces attenuation coef. and PAR |
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| 383 | READ ( numnatp_ref, nampisopt, IOSTAT = ios, ERR = 901) |
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| 384 | 901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'nampisopt in reference namelist', lwp ) |
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[3443] | 385 | |
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[4147] | 386 | REWIND( numnatp_cfg ) ! Namelist nampisopt in configuration namelist : Pisces attenuation coef. and PAR |
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| 387 | READ ( numnatp_cfg, nampisopt, IOSTAT = ios, ERR = 902 ) |
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| 388 | 902 IF( ios /= 0 ) CALL ctl_nam ( ios , 'nampisopt in configuration namelist', lwp ) |
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[4624] | 389 | IF(lwm) WRITE ( numonp, nampisopt ) |
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[3443] | 390 | |
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| 391 | IF(lwp) THEN |
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| 392 | WRITE(numout,*) ' ' |
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| 393 | WRITE(numout,*) ' namelist : nampisopt ' |
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| 394 | WRITE(numout,*) ' ~~~~~~~~~~~~~~~~~ ' |
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| 395 | WRITE(numout,*) ' PAR as a variable fraction of SW ln_varpar = ', ln_varpar |
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| 396 | WRITE(numout,*) ' Default value for the PAR fraction parlux = ', parlux |
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| 397 | ENDIF |
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| 398 | ! |
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| 399 | xparsw = parlux / 3.0 |
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[5385] | 400 | xsi0r = 1.e0 / rn_si0 |
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[3443] | 401 | ! |
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| 402 | ! Variable PAR at the surface of the ocean |
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| 403 | ! ---------------------------------------- |
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| 404 | IF( ln_varpar ) THEN |
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| 405 | IF(lwp) WRITE(numout,*) ' initialize variable par fraction ' |
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| 406 | IF(lwp) WRITE(numout,*) ' ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~' |
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| 407 | ! |
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| 408 | ALLOCATE( par_varsw(jpi,jpj) ) |
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| 409 | ! |
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| 410 | ALLOCATE( sf_par(1), STAT=ierr ) !* allocate and fill sf_sst (forcing structure) with sn_sst |
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| 411 | IF( ierr > 0 ) CALL ctl_stop( 'STOP', 'p4z_opt_init: unable to allocate sf_par structure' ) |
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| 412 | ! |
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| 413 | CALL fld_fill( sf_par, (/ sn_par /), cn_dir, 'p4z_opt_init', 'Variable PAR fraction ', 'nampisopt' ) |
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| 414 | ALLOCATE( sf_par(1)%fnow(jpi,jpj,1) ) |
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| 415 | IF( sn_par%ln_tint ) ALLOCATE( sf_par(1)%fdta(jpi,jpj,1,2) ) |
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| 416 | |
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| 417 | CALL iom_open ( TRIM( sn_par%clname ) , numpar ) |
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| 418 | CALL iom_gettime( numpar, zsteps, kntime=ntimes_par) ! get number of record in file |
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| 419 | ENDIF |
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| 420 | ! |
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| 421 | CALL trc_oce_rgb( xkrgb ) ! tabulated attenuation coefficients |
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| 422 | nksrp = trc_oce_ext_lev( r_si2, 0.33e2 ) ! max level of light extinction (Blue Chl=0.01) |
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| 423 | ! |
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[4292] | 424 | IF(lwp) WRITE(numout,*) ' level of light extinction = ', nksrp, ' ref depth = ', gdepw_1d(nksrp+1), ' m' |
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[3443] | 425 | ! |
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[7753] | 426 | ekr (:,:,:) = 0._wp |
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| 427 | ekb (:,:,:) = 0._wp |
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| 428 | ekg (:,:,:) = 0._wp |
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| 429 | etot (:,:,:) = 0._wp |
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| 430 | etot_ndcy(:,:,:) = 0._wp |
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| 431 | enano (:,:,:) = 0._wp |
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| 432 | ediat (:,:,:) = 0._wp |
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| 433 | IF( ln_p5z ) epico (:,:,:) = 0._wp |
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| 434 | IF( ln_qsr_bio ) etot3 (:,:,:) = 0._wp |
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[3443] | 435 | ! |
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| 436 | IF( nn_timing == 1 ) CALL timing_stop('p4z_opt_init') |
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| 437 | ! |
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| 438 | END SUBROUTINE p4z_opt_init |
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| 439 | |
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| 440 | |
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| 441 | INTEGER FUNCTION p4z_opt_alloc() |
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| 442 | !!---------------------------------------------------------------------- |
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| 443 | !! *** ROUTINE p4z_opt_alloc *** |
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| 444 | !!---------------------------------------------------------------------- |
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[7646] | 445 | ! |
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| 446 | ALLOCATE( ekb(jpi,jpj,jpk), ekr(jpi,jpj,jpk), & |
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| 447 | ekg(jpi,jpj,jpk), STAT= p4z_opt_alloc ) |
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| 448 | ! |
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[3443] | 449 | IF( p4z_opt_alloc /= 0 ) CALL ctl_warn('p4z_opt_alloc : failed to allocate arrays.') |
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| 450 | ! |
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| 451 | END FUNCTION p4z_opt_alloc |
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| 452 | |
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| 453 | !!====================================================================== |
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[5656] | 454 | END MODULE p4zopt |
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