| 1 | !!---------------------------------------------------------------------- |
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| 2 | !! *** trcini.pisces.h90 *** |
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| 3 | !!---------------------------------------------------------------------- |
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| 4 | # include "domzgr_substitute.h90" |
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| 5 | # include "passivetrc_substitute.h90" |
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| 6 | CONTAINS |
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| 7 | |
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| 8 | SUBROUTINE trc_ini |
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| 9 | !!----------------------------------------------------------------- |
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| 10 | !! |
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| 11 | !! *** ROUTINE trc_ini *** |
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| 12 | !! |
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| 13 | !! |
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| 14 | !! Purpose : |
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| 15 | !! --------- |
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| 16 | !! Initialisation of PISCES biological and chemical variables |
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| 17 | !! |
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| 18 | !! INPUT : |
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| 19 | !! ----- |
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| 20 | !! common |
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| 21 | !! all the common defined in opa |
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| 22 | !! |
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| 23 | !! |
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| 24 | !! OUTPUT : : no |
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| 25 | !! ------ |
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| 26 | !! |
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| 27 | !! EXTERNAL : |
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| 28 | !! ---------- |
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| 29 | !! p4zche |
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| 30 | !! |
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| 31 | !! MODIFICATIONS: |
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| 32 | !! -------------- |
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| 33 | !! original : 1988-07 E. MAIER-REIMER MPI HAMBURG |
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| 34 | !! additions : 1999-10 O. Aumont and C. Le Quere |
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| 35 | !! additions : 2002 O. Aumont (PISCES) |
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| 36 | !! 03-2005 O. Aumont and A. El Moussaoui F90 |
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| 37 | !!---------------------------------------------------------------------- |
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| 38 | !! TOP 1.0 , LOCEAN-IPSL (2005) |
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| 39 | !! $Header$ |
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| 40 | !! This software is governed by the CeCILL licence see modipsl/doc/NEMO_CeCILL.txt |
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| 41 | !!---------------------------------------------------------------------- |
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| 42 | !!Module used |
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| 43 | USE iom |
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| 44 | |
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| 45 | !! local declarations |
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| 46 | !! ================== |
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| 47 | INTEGER :: ji,jj,jk |
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| 48 | INTEGER :: ichl,iband,jm |
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| 49 | INTEGER , PARAMETER :: jpmois = 12, jpan = 1 |
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| 50 | |
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| 51 | REAL(wp) :: ztoto,expide,denitide,ztra,zmaskt |
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| 52 | REAL(wp) , DIMENSION (jpi,jpj) :: riverdoc,river,ndepo |
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| 53 | |
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| 54 | INTEGER :: numriv,numdust,numbath,numdep |
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| 55 | INTEGER :: numlight = 49 |
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| 56 | |
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| 57 | |
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| 58 | !! 1. initialization |
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| 59 | !! ----------------- |
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| 60 | |
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| 61 | !! computation of the record length for direct access FILE |
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| 62 | !! this length depend of 512 for the t3d machine |
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| 63 | !! |
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| 64 | rfact = rdttra(1) * float(ndttrc) |
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| 65 | rfactr = 1./rfact |
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| 66 | IF(lwp) WRITE(numout,*) ' Tracer time step=',rfact,' rdt=',rdt |
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| 67 | rfact2= rfact / float(nrdttrc) |
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| 68 | rfact2r = 1./rfact2 |
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| 69 | IF(lwp) write(numout,*) ' Biology time step=',rfact2 |
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| 70 | |
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| 71 | |
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| 72 | !! INITIALISE DUST INPUT FROM ATMOSPHERE |
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| 73 | !! ------------------------------------- |
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| 74 | |
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| 75 | IF ( bdustfer ) THEN |
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| 76 | IF(lwp) WRITE(numout,*) ' Initialize dust input from atmosphere ' |
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| 77 | CALL iom_open ( 'dust.orca.nc', numdust ) |
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| 78 | DO jm = 1, jpmois |
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| 79 | CALL iom_get ( numdust, jpdom_data, 'dust', dustmo(:,:,jm), jm ) |
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| 80 | ENDDO |
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| 81 | CALL iom_close( numdust ) |
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| 82 | ELSE |
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| 83 | dustmo(:,:,:) = 0. |
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| 84 | ENDIF |
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| 85 | |
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| 86 | do jm = 1, jpmois |
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| 87 | write(numout,*) ' Mois : ',jm |
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| 88 | write(numout,*) ( ( dustmo(ji,jj,jm), ji=1,jpi,20),jj=1,jpj,20) |
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| 89 | enddo |
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| 90 | |
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| 91 | |
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| 92 | !! INITIALISE THE NUTRIENT INPUT BY RIVERS |
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| 93 | !! --------------------------------------- |
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| 94 | |
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| 95 | IF ( briver ) THEN |
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| 96 | IF(lwp) WRITE(numout,*) ' Initialize the nutrient input by rivers ' |
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| 97 | CALL iom_open ( 'river.orca.nc', numriv ) |
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| 98 | CALL iom_get ( numriv, jpdom_data, 'riverdic', river (:,:), jpan ) |
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| 99 | CALL iom_get ( numriv, jpdom_data, 'riverdoc', riverdoc(:,:), jpan ) |
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| 100 | CALL iom_close( numriv ) |
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| 101 | ELSE |
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| 102 | river (:,:) = 0. |
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| 103 | riverdoc(:,:) = 0. |
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| 104 | endif |
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| 105 | |
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| 106 | !! INITIALISE THE N INPUT BY DUST |
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| 107 | !! --------------------------------------- |
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| 108 | |
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| 109 | IF ( bndepo ) THEN |
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| 110 | IF(lwp) WRITE(numout,*) ' Initialize the nutrient input by dust ' |
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| 111 | CALL iom_open ( 'ndeposition.orca.nc', numdep ) |
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| 112 | CALL iom_get ( numdep, jpdom_data, 'ndep', ndepo(:,:), jpan ) |
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| 113 | CALL iom_close( numdep ) |
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| 114 | ELSE |
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| 115 | ndepo(:,:) = 0. |
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| 116 | ENDIF |
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| 117 | |
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| 118 | !! Computation of the coastal mask. |
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| 119 | !! Computation of an island mask to enhance coastal supply of iron |
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| 120 | !! --------------------------------------------------------------- |
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| 121 | |
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| 122 | IF ( bsedinput ) THEN |
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| 123 | IF(lwp) WRITE(numout,*) ' Computation of an island mask to enhance coastal supply of iron ' |
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| 124 | CALL iom_open ( 'bathy.orca.nc', numbath ) |
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| 125 | CALL iom_get ( numbath, jpdom_data, 'bathy', cmask(:,:,:), jpan ) |
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| 126 | |
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| 127 | DO jk = 1, 5 |
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| 128 | DO jj = 2, jpjm1 |
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| 129 | DO ji = 2, jpim1 |
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| 130 | IF ( tmask(ji,jj,jk) /= 0. ) THEN |
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| 131 | zmaskt = tmask(ji+1,jj,jk) * tmask(ji-1,jj,jk) * tmask(ji,jj+1,jk) & |
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| 132 | & * tmask(ji,jj-1,jk) * tmask(ji,jj,jk+1) |
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| 133 | IF ( zmaskt == 0. ) THEN |
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| 134 | cmask(ji,jj,jk ) = 0.1 |
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| 135 | ENDIF |
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| 136 | ENDIF |
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| 137 | END DO |
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| 138 | END DO |
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| 139 | END DO |
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| 140 | DO jk = 1, jpk |
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| 141 | DO jj = 1, jpj |
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| 142 | DO ji = 1, jpi |
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| 143 | expide = MIN( 8.,( fsdept(ji,jj,jk) / 500. )**(-1.5) ) |
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| 144 | denitide = -0.9543 + 0.7662 * LOG( expide ) - 0.235 * LOG( expide )**2 |
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| 145 | cmask(ji,jj,jk) = cmask(ji,jj,jk) * MIN( 1., EXP( denitide ) / 0.5 ) |
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| 146 | END DO |
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| 147 | END DO |
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| 148 | END DO |
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| 149 | |
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| 150 | CALL iom_close( numbath ) |
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| 151 | ELSE |
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| 152 | cmask(:,:,:) = 0. |
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| 153 | ENDIF |
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| 154 | |
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| 155 | ! Lateral boundary conditions on ( avt, en ) (sign unchanged) |
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| 156 | CALL lbc_lnk( cmask , 'T', 1. ) |
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| 157 | |
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| 158 | !! Computation of the total atmospheric supply of Si |
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| 159 | !! ------------------------------------------------- |
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| 160 | |
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| 161 | sumdepsi = 0. |
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| 162 | DO jm = 1, jpmois |
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| 163 | DO jj = 2, jpjm1 |
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| 164 | DO ji = 2, jpim1 |
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| 165 | sumdepsi = sumdepsi + dustmo(ji,jj,jm)/(12.*rmoss)*8.8 & |
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| 166 | *0.075/28.1*e1t(ji,jj)*e2t(ji,jj)*tmask(ji,jj,1) |
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| 167 | END DO |
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| 168 | END DO |
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| 169 | END DO |
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| 170 | |
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| 171 | IF( lk_mpp ) CALL mpp_sum( sumdepsi ) ! sum over the global domain |
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| 172 | |
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| 173 | !! COMPUTATION OF THE N/P RELEASE DUE TO COASTAL RIVERS |
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| 174 | !! COMPUTATION OF THE Si RELEASE DUE TO COASTAL RIVERS |
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| 175 | !! --------------------------------------------------- |
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| 176 | |
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| 177 | DO jj=1,jpj |
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| 178 | DO ji=1,jpi |
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| 179 | cotdep(ji,jj)=river(ji,jj)*1E9/(12.*raass & |
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| 180 | *e1t(ji,jj)*e2t(ji,jj)*fse3t(ji,jj,1)+rtrn)*tmask(ji,jj,1) |
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| 181 | rivinp(ji,jj)=(river(ji,jj)+riverdoc(ji,jj))*1E9 & |
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| 182 | /(31.6*raass*e1t(ji,jj)*e2t(ji,jj)*fse3t(ji,jj,1)+rtrn) & |
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| 183 | *tmask(ji,jj,1) |
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| 184 | nitdep(ji,jj)=7.6*ndepo(ji,jj)*tmask(ji,jj,1)/(14E6*raass & |
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| 185 | *fse3t(ji,jj,1)+rtrn) |
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| 186 | END DO |
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| 187 | END DO |
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| 188 | ! Lateral boundary conditions on ( cotdep, rivinp, nitdep ) (sign unchanged) |
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| 189 | CALL lbc_lnk( cotdep , 'T', 1. ) ; CALL lbc_lnk( rivinp , 'T', 1. ) ; CALL lbc_lnk( nitdep , 'T', 1. ) |
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| 190 | |
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| 191 | rivpo4input=0. |
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| 192 | rivalkinput=0. |
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| 193 | nitdepinput=0. |
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| 194 | DO jj=2,jpjm1 |
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| 195 | DO ji=2,jpim1 |
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| 196 | rivpo4input=rivpo4input+rivinp(ji,jj)*(e1t(ji,jj)*e2t(ji,jj) & |
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| 197 | *fse3t(ji,jj,1))*tmask(ji,jj,1)*raass |
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| 198 | rivalkinput=rivalkinput+cotdep(ji,jj)*(e1t(ji,jj)*e2t(ji,jj) & |
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| 199 | *fse3t(ji,jj,1))*tmask(ji,jj,1)*raass |
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| 200 | nitdepinput=nitdepinput+nitdep(ji,jj)*(e1t(ji,jj)*e2t(ji,jj) & |
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| 201 | *fse3t(ji,jj,1))*tmask(ji,jj,1)*raass |
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| 202 | END DO |
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| 203 | END DO |
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| 204 | |
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| 205 | IF( lk_mpp ) THEN |
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| 206 | CALL mpp_sum( rivpo4input ) ! sum over the global domain |
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| 207 | CALL mpp_sum( rivalkinput ) ! sum over the global domain |
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| 208 | CALL mpp_sum( nitdepinput ) ! sum over the global domain |
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| 209 | ENDIF |
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| 210 | |
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| 211 | |
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| 212 | !! Coastal supply of iron |
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| 213 | !! ---------------------- |
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| 214 | |
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| 215 | DO jk=1,jpkm1 |
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| 216 | ironsed(:,:,jk)=sedfeinput*cmask(:,:,jk) & |
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| 217 | /(fse3t(:,:,jk)*rjjss) |
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| 218 | END DO |
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| 219 | |
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| 220 | ! Lateral boundary conditions on ( ironsed ) (sign unchanged) |
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| 221 | CALL lbc_lnk( ironsed , 'T', 1. ) |
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| 222 | !!---------------------------------------------------------------------- |
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| 223 | !! |
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| 224 | !! Initialize biological variables |
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| 225 | !! |
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| 226 | !!---------------------------------------------------------------------- |
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| 227 | !! Set biological ratios |
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| 228 | !! --------------------- |
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| 229 | |
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| 230 | rno3 = (16.+2.)/122. |
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| 231 | po4r = 1./122. |
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| 232 | o2nit = 32./122. |
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| 233 | rdenit = 97.6/16. |
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| 234 | o2ut = 140./122. |
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| 235 | |
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| 236 | !!---------------------------------------------------------------------- |
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| 237 | !! |
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| 238 | !! Initialize chemical variables |
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| 239 | !! |
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| 240 | !!---------------------------------------------------------------------- |
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| 241 | |
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| 242 | !! set pre-industrial atmospheric [co2] (ppm) and o2/n2 ratio |
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| 243 | !! ---------------------------------------------------------- |
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| 244 | |
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| 245 | atcox = 0.20946 |
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| 246 | |
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| 247 | !! Set lower/upper limits for temperature and salinity |
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| 248 | !! --------------------------------------------------- |
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| 249 | |
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| 250 | salchl = 1./1.80655 |
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| 251 | calcon = 1.03E-2 |
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| 252 | |
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| 253 | !! Set coefficients for apparent solubility equilibrium |
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| 254 | !! of calcite (Ingle, 1800, eq. 6) |
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| 255 | !! ---------------------------------------------------- |
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| 256 | |
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| 257 | akcc1 = -34.452 |
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| 258 | akcc2 = -39.866 |
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| 259 | akcc3 = 110.21 |
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| 260 | akcc4 = -7.5752E-6 |
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| 261 | |
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| 262 | |
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| 263 | !! Set coefficients for seawater pressure correction |
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| 264 | !! ------------------------------------------------- |
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| 265 | |
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| 266 | devk1(1) = -25.5 |
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| 267 | devk2(1) = 0.1271 |
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| 268 | devk3(1) = 0. |
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| 269 | devk4(1) = -3.08E-3 |
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| 270 | devk5(1) = 0.0877E-3 |
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| 271 | |
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| 272 | devk1(2) = -15.82 |
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| 273 | devk2(2) = -0.0219 |
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| 274 | devk3(2) = 0. |
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| 275 | devk4(2) = 1.13E-3 |
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| 276 | devk5(2) = -0.1475E-3 |
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| 277 | |
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| 278 | devk1(3) = -29.48 |
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| 279 | devk2(3) = 0.1622 |
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| 280 | devk3(3) = 2.608E-3 |
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| 281 | devk4(3) = -2.84E-3 |
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| 282 | devk5(3) = 0. |
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| 283 | |
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| 284 | devk1(4) = -25.60 |
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| 285 | devk2(4) = 0.2324 |
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| 286 | devk3(4) = -3.6246E-3 |
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| 287 | devk4(4) = -5.13E-3 |
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| 288 | devk5(4) = 0.0794E-3 |
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| 289 | |
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| 290 | devkst = 0.23 |
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| 291 | devks = 35.4 |
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| 292 | |
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| 293 | !! Set universal gas constants |
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| 294 | !! --------------------------- |
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| 295 | |
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| 296 | rgas = 83.143 |
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| 297 | oxyco = 1./22.4144 |
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| 298 | |
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| 299 | !! Set boron constants |
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| 300 | !! ------------------- |
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| 301 | |
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| 302 | bor1 = 0.00023 |
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| 303 | bor2 = 1./10.82 |
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| 304 | |
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| 305 | !! Set volumetric solubility constants for co2 in ml/l (Weiss, 1974) |
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| 306 | !! ----------------------------------------------------------------- |
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| 307 | |
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| 308 | c00 = -60.2409 |
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| 309 | c01 = 93.4517 |
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| 310 | c02 = 23.3585 |
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| 311 | c03 = 0.023517 |
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| 312 | c04 = -0.023656 |
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| 313 | c05 = 0.0047036 |
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| 314 | |
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| 315 | ca0 = -162.8301 |
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| 316 | ca1 = 218.2968 |
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| 317 | ca2 = 90.9241 |
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| 318 | ca3 = -1.47696 |
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| 319 | ca4 = 0.025695 |
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| 320 | ca5 = -0.025225 |
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| 321 | ca6 = 0.0049867 |
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| 322 | |
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| 323 | !! Set coeff. for 1. dissoc. of carbonic acid (Edmond and Gieskes, 1970) |
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| 324 | !! --------------------------------------------------------------------- |
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| 325 | |
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| 326 | c10 = -3670.7 |
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| 327 | c11 = 62.008 |
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| 328 | c12 = -9.7944 |
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| 329 | c13 = 0.0118 |
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| 330 | c14 = -0.000116 |
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| 331 | |
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| 332 | !! Set coeff. for 2. dissoc. of carbonic acid (Edmond and Gieskes, 1970) |
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| 333 | !! --------------------------------------------------------------------- |
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| 334 | |
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| 335 | c20 = -1394.7 |
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| 336 | c21 = -4.777 |
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| 337 | c22 = 0.0184 |
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| 338 | c23 = -0.000118 |
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| 339 | |
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| 340 | !! Set coeff. for 1. dissoc. of boric acid (Edmond and Gieskes, 1970) |
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| 341 | !! ------------------------------------------------------------------ |
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| 342 | |
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| 343 | cb0 = -8966.90 |
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| 344 | cb1 = -2890.53 |
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| 345 | cb2 = -77.942 |
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| 346 | cb3 = 1.728 |
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| 347 | cb4 = -0.0996 |
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| 348 | cb5 = 148.0248 |
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| 349 | cb6 = 137.1942 |
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| 350 | cb7 = 1.62142 |
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| 351 | cb8 = -24.4344 |
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| 352 | cb9 = -25.085 |
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| 353 | cb10 = -0.2474 |
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| 354 | cb11 = 0.053105 |
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| 355 | |
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| 356 | !! Set coeff. for dissoc. of water (Dickson and Riley, 1979, |
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| 357 | !! eq. 7, coefficient cw2 corrected from 0.9415 to 0.09415 |
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| 358 | !! after pers. commun. to B. Bacastow, 1988) |
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| 359 | !! --------------------------------------------------------- |
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| 360 | |
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| 361 | cw0 = -13847.26 |
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| 362 | cw1 = 148.9652 |
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| 363 | cw2 = -23.6521 |
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| 364 | cw3 = 118.67 |
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| 365 | cw4 = -5.977 |
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| 366 | cw5 = 1.0495 |
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| 367 | cw6 = -0.01615 |
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| 368 | |
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| 369 | ! |
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| 370 | ! Set coeff. for dissoc. of phosphate (Millero (1974) |
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| 371 | ! --------------------------------------------------- |
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| 372 | ! |
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| 373 | cp10 = 115.525 |
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| 374 | cp11 = -4576.752 |
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| 375 | cp12 = -18.453 |
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| 376 | cp13 = -106.736 |
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| 377 | cp14 = 0.69171 |
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| 378 | cp15 = -0.65643 |
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| 379 | cp16 = -0.01844 |
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| 380 | |
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| 381 | cp20 = 172.0883 |
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| 382 | cp21 = -8814.715 |
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| 383 | cp22 = -27.927 |
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| 384 | cp23 = -160.340 |
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| 385 | cp24 = 1.3566 |
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| 386 | cp25 = 0.37335 |
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| 387 | cp26 = -0.05778 |
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| 388 | |
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| 389 | |
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| 390 | cp30 = -18.141 |
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| 391 | cp31 = -3070.75 |
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| 392 | cp32 = 17.27039 |
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| 393 | cp33 = 2.81197 |
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| 394 | cp34 = -44.99486 |
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| 395 | cp35 = -0.09984 |
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| 396 | ! |
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| 397 | ! Set coeff. for dissoc. of phosphate (Millero (1974) |
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| 398 | ! --------------------------------------------------- |
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| 399 | ! |
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| 400 | cs10 = 117.385 |
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| 401 | cs11 = -8904.2 |
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| 402 | cs12 = -19.334 |
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| 403 | cs13 = -458.79 |
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| 404 | cs14 = 3.5913 |
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| 405 | cs15 = 188.74 |
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| 406 | cs16 = -1.5998 |
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| 407 | cs17 = -12.1652 |
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| 408 | cs18 = 0.07871 |
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| 409 | cs19 = -0.001005 |
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| 410 | |
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| 411 | !! Set volumetric solubility constants for o2 in ml/l (Weiss, 1970) |
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| 412 | !! ---------------------------------------------------------------- |
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| 413 | |
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| 414 | ox0 = -58.3877 |
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| 415 | ox1 = 85.8079 |
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| 416 | ox2 = 23.8439 |
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| 417 | ox3 = -0.034892 |
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| 418 | ox4 = 0.015568 |
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| 419 | ox5 = -0.0019387 |
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| 420 | |
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| 421 | !! FROM THE NEW BIOOPTIC MODEL PROPOSED JM ANDRE, WE READ HERE |
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| 422 | !! A PRECOMPUTED ARRAY CORRESPONDING TO THE ATTENUATION COEFFICIENT |
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| 423 | |
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| 424 | OPEN( numlight, file = 'kRGB61.txt', form = 'formatted') |
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| 425 | DO ichl = 1,61 |
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| 426 | READ(numlight,*) ztoto,(xkrgb(iband,ichl),iband = 1,3) |
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| 427 | END DO |
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| 428 | CLOSE(numlight) |
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| 429 | |
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| 430 | |
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| 431 | !! Call p4zche to initialize the chemical constants |
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| 432 | !! ------------------------------------------------ |
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| 433 | |
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| 434 | CALL p4zche |
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| 435 | !! |
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| 436 | !! Initialize a counter for the computation of chemistry |
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| 437 | !! |
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| 438 | ndayflxtr=0 |
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| 439 | |
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| 440 | IF(lwp) WRITE(numout,*) ' Initialisation of PISCES done' |
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| 441 | |
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| 442 | END SUBROUTINE trc_ini |
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