[935] | 1 | MODULE trcini_pisces |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE trcini_pisces *** |
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| 4 | !! TOP : initialisation of the PISCES biochemical model |
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| 5 | !!====================================================================== |
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| 6 | !! History : - ! 1988-07 (E. Maier-Reiner) Original code |
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| 7 | !! - ! 1999-10 (O. Aumont, C. Le Quere) |
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| 8 | !! - ! 2002 (O. Aumont) PISCES |
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| 9 | !! 1.0 ! 2005-03 (O. Aumont, A. El Moussaoui) F90 |
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| 10 | !! 2.0 ! 2007-12 (C. Ethe, G. Madec) from trcini.pisces.h90 |
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| 11 | !!---------------------------------------------------------------------- |
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| 12 | #if defined key_pisces |
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| 13 | !!---------------------------------------------------------------------- |
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| 14 | !! 'key_pisces' PISCES bio-model |
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| 15 | !!---------------------------------------------------------------------- |
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| 16 | !! trc_ini_pisces : PISCES biochemical model initialisation |
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| 17 | !!---------------------------------------------------------------------- |
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| 18 | USE par_trc ! TOP parameters |
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[1073] | 19 | USE sms_pisces ! Source Minus Sink variables |
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[1007] | 20 | USE trc |
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[935] | 21 | USE oce_trc ! ocean variables |
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| 22 | USE p4zche |
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[1007] | 23 | USE lib_mpp |
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[935] | 24 | |
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| 25 | IMPLICIT NONE |
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| 26 | PRIVATE |
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| 27 | |
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| 28 | PUBLIC trc_ini_pisces ! called by trcini.F90 module |
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| 29 | |
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[1007] | 30 | !! * Module variables |
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| 31 | REAL(wp) :: & |
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| 32 | sco2 = 2.312e-3 , & |
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| 33 | alka0 = 2.423e-3 , & |
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| 34 | oxyg0 = 177.6e-6 , & |
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| 35 | po4 = 2.174e-6 , & |
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| 36 | bioma0 = 1.000e-8 , & |
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| 37 | silic1 = 91.65e-6 , & |
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| 38 | no3 = 31.04e-6 * 7.6 |
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[935] | 39 | |
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| 40 | # include "domzgr_substitute.h90" |
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| 41 | # include "top_substitute.h90" |
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| 42 | !!---------------------------------------------------------------------- |
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| 43 | !! NEMO/TOP 2.0 , LOCEAN-IPSL (2007) |
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[1146] | 44 | !! $Id$ |
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[935] | 45 | !! Software governed by the CeCILL licence (modipsl/doc/NEMO_CeCILL.txt) |
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| 46 | !!---------------------------------------------------------------------- |
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| 47 | |
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| 48 | CONTAINS |
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| 49 | |
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| 50 | SUBROUTINE trc_ini_pisces |
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| 51 | !!---------------------------------------------------------------------- |
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| 52 | !! *** ROUTINE trc_ini_pisces *** |
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| 53 | !! |
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| 54 | !! ** Purpose : Initialisation of the PISCES biochemical model |
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| 55 | !!---------------------------------------------------------------------- |
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[1264] | 56 | INTEGER :: ji, jj, jk |
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[1007] | 57 | REAL(wp) :: caralk, bicarb, co3 |
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[935] | 58 | |
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[1007] | 59 | |
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[935] | 60 | !!---------------------------------------------------------------------- |
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| 61 | |
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| 62 | |
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| 63 | IF(lwp) WRITE(numout,*) |
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| 64 | IF(lwp) WRITE(numout,*) ' trc_ini_pisces : PISCES biochemical model initialisation' |
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| 65 | IF(lwp) WRITE(numout,*) ' ~~~~~~~~~~~~~~' |
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| 66 | |
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| 67 | |
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| 68 | ! ! Time-step |
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| 69 | rfact = rdttra(1) * float(ndttrc) ! --------- |
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| 70 | rfactr = 1. / rfact |
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| 71 | rfact2 = rfact / float(nrdttrc) |
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| 72 | rfact2r = 1. / rfact2 |
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| 73 | |
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| 74 | IF(lwp) WRITE(numout,*) ' Tracer time step rfact = ', rfact, ' rdt = ', rdt |
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| 75 | IF(lwp) write(numout,*) ' Biology time step rfact2 = ', rfact2 |
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| 76 | |
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| 77 | |
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[1007] | 78 | |
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[935] | 79 | ! Set biological ratios |
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| 80 | ! --------------------- |
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| 81 | rno3 = (16.+2.) / 122. |
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| 82 | po4r = 1.e0 / 122. |
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| 83 | o2nit = 32. / 122. |
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| 84 | rdenit = 97.6 / 16. |
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| 85 | o2ut = 140. / 122. |
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| 86 | |
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| 87 | CALL p4z_che ! initialize the chemical constants |
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| 88 | |
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| 89 | ndayflxtr = 0 ! Initialize a counter for the computation of chemistry |
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| 90 | |
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[1007] | 91 | ! Initialization of tracer concentration in case of no restart |
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| 92 | !-------------------------------------------------------------- |
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| 93 | IF( .NOT. lrsttr ) THEN |
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| 94 | |
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| 95 | trn(:,:,:,jpdic) = sco2 |
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| 96 | trn(:,:,:,jpdoc) = bioma0 |
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| 97 | trn(:,:,:,jptal) = alka0 |
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| 98 | trn(:,:,:,jpoxy) = oxyg0 |
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| 99 | trn(:,:,:,jpcal) = bioma0 |
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| 100 | trn(:,:,:,jppo4) = po4 / po4r |
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| 101 | trn(:,:,:,jppoc) = bioma0 |
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| 102 | # if ! defined key_kriest |
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| 103 | trn(:,:,:,jpgoc) = bioma0 |
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| 104 | trn(:,:,:,jpbfe) = bioma0 * 5.e-6 |
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| 105 | # else |
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| 106 | trn(:,:,:,jpnum) = bioma0 / ( 6. * xkr_massp ) |
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| 107 | # endif |
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| 108 | trn(:,:,:,jpsil) = silic1 |
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| 109 | trn(:,:,:,jpbsi) = bioma0 * 0.15 |
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| 110 | trn(:,:,:,jpdsi) = bioma0 * 5.e-6 |
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| 111 | trn(:,:,:,jpphy) = bioma0 |
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| 112 | trn(:,:,:,jpdia) = bioma0 |
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| 113 | trn(:,:,:,jpzoo) = bioma0 |
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| 114 | trn(:,:,:,jpmes) = bioma0 |
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| 115 | trn(:,:,:,jpfer) = 0.6E-9 |
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| 116 | trn(:,:,:,jpsfe) = bioma0 * 5.e-6 |
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| 117 | trn(:,:,:,jpdfe) = bioma0 * 5.e-6 |
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| 118 | trn(:,:,:,jpnfe) = bioma0 * 5.e-6 |
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| 119 | trn(:,:,:,jpnch) = bioma0 * 12. / 55. |
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| 120 | trn(:,:,:,jpdch) = bioma0 * 12. / 55. |
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| 121 | trn(:,:,:,jpno3) = no3 |
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| 122 | trn(:,:,:,jpnh4) = bioma0 |
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| 123 | |
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| 124 | ! Initialization of chemical variables of the carbon cycle |
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| 125 | ! -------------------------------------------------------- |
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| 126 | DO jk = 1, jpk |
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| 127 | DO jj = 1, jpj |
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| 128 | DO ji = 1, jpi |
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| 129 | caralk = trn(ji,jj,jk,jptal) - borat(ji,jj,jk) / ( 1. + 1.E-8 / ( rtrn + akb3(ji,jj,jk) ) ) |
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| 130 | co3 = ( caralk - trn(ji,jj,jk,jpdic) ) * tmask(ji,jj,jk) & |
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| 131 | & + 0.5e-3 * ( 1. - tmask(ji,jj,jk) ) |
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| 132 | bicarb = ( 2. * trn(ji,jj,jk,jpdic) - caralk ) |
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| 133 | hi(ji,jj,jk) = ( ak23(ji,jj,jk) * bicarb / co3 ) * tmask(ji,jj,jk) & |
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| 134 | & + 1.e-9 * ( 1. - tmask(ji,jj,jk) ) |
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| 135 | END DO |
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| 136 | END DO |
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| 137 | END DO |
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| 138 | |
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| 139 | ENDIF |
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| 140 | |
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| 141 | |
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| 142 | |
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| 143 | ! initialize the half saturation constant for silicate |
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| 144 | ! ---------------------------------------------------- |
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| 145 | xksi(:,:) = 2.e-6 |
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| 146 | xksimax(:,:) = xksi(:,:) |
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| 147 | |
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| 148 | IF(lwp) WRITE(numout,*) 'Initialization of PISCES tracers done' |
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| 149 | IF(lwp) WRITE(numout,*) ' ' |
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| 150 | |
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[935] | 151 | ! |
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| 152 | END SUBROUTINE trc_ini_pisces |
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| 153 | |
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| 154 | #else |
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| 155 | !!---------------------------------------------------------------------- |
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| 156 | !! Dummy module No PISCES biochemical model |
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| 157 | !!---------------------------------------------------------------------- |
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| 158 | CONTAINS |
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| 159 | SUBROUTINE trc_ini_pisces ! Empty routine |
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| 160 | END SUBROUTINE trc_ini_pisces |
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| 161 | #endif |
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| 162 | |
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| 163 | !!====================================================================== |
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| 164 | END MODULE trcini_pisces |
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