| 1 | !!----------------------------------------------------------------- |
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| 2 | !! |
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| 3 | !! ROUTINE trcini.pisces.h90 |
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| 4 | !! ************************ |
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| 5 | !! |
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| 6 | !! PURPOSE : |
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| 7 | !! --------- |
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| 8 | !! Initialisation of PISCES biological and chemical variables |
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| 9 | !! |
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| 10 | !! INPUT : |
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| 11 | !! ----- |
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| 12 | !! common |
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| 13 | !! all the common defined in opa |
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| 14 | !! |
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| 15 | !! |
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| 16 | !! OUTPUT : : no |
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| 17 | !! ------ |
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| 18 | !! |
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| 19 | !! EXTERNAL : |
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| 20 | !! ---------- |
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| 21 | !! p4zche |
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| 22 | !! |
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| 23 | !! MODIFICATIONS: |
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| 24 | !! -------------- |
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| 25 | !! original : 1988-07 E. MAIER-REIMER MPI HAMBURG |
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| 26 | !! additions : 1999-10 O. Aumont and C. Le Quere |
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| 27 | !! additions : 2002 O. Aumont (PISCES) |
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| 28 | !! 03-2005 O. Aumont and A. El Moussaoui F90 |
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| 29 | !!--------------------------------------------------------------------- |
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| 30 | !! TOP 1.0, LOCEAN-IPSL (2005) |
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| 31 | !! $Header$ |
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| 32 | !! This software is governed by the CeCILL licence see modipsl/doc/NEMO_CeCILL.txt |
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| 33 | !!---------------------------------------------------------------------- |
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| 34 | !! local declarations |
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| 35 | !! ================== |
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| 36 | INTEGER :: ichl,iband,mo |
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| 37 | INTEGER , PARAMETER :: jpmois = 12, & |
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| 38 | jpan = 1 |
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| 39 | |
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| 40 | REAL(wp) :: xtoto,expide,denitide,ztra |
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| 41 | REAL(wp) , DIMENSION (jpi,jpj) :: riverdoc,river,ndepo |
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| 42 | CHARACTER (len=34) :: clname |
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| 43 | |
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| 44 | INTEGER :: ipi,ipj,ipk,itime |
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| 45 | INTEGER , DIMENSION (jpmois) :: istep |
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| 46 | INTEGER , DIMENSION (jpan) :: istep0 |
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| 47 | REAL(wp) :: zsecond, zdate0 |
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| 48 | REAL(wp) , DIMENSION (jpi,jpj) :: zlon,zlat |
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| 49 | REAL(wp), DIMENSION (jpk) :: zlev |
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| 50 | INTEGER :: numriv,numdust,numbath,numdep |
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| 51 | |
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| 52 | !! 1. initialization |
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| 53 | !! ----------------- |
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| 54 | |
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| 55 | !! computation of the record length for direct access FILE |
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| 56 | !! this length depend of 512 for the t3d machine |
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| 57 | !! |
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| 58 | rfact = rdttra(1) * float(ndttrc) |
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| 59 | rfactr = 1./rfact |
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| 60 | IF(lwp) WRITE(numout,*) ' Tracer time step=',rfact,' rdt=',rdt |
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| 61 | rfact2= rfact / float(nrdttrc) |
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| 62 | rfact2r = 1./rfact2 |
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| 63 | IF(lwp) write(numout,*) ' Biology time step=',rfact2 |
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| 64 | |
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| 65 | !! INITIALISE DUST INPUT FROM ATMOSPHERE |
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| 66 | !! ------------------------------------- |
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| 67 | |
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| 68 | IF (bdustfer) THEN |
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| 69 | clname='dust.orca.nc' |
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| 70 | CALL flinopen(clname,mig(1),nlci,mjg(1),nlcj,.false.,ipi,ipj,0 & |
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| 71 | & ,zlon,zlat,zlev,itime,istep,zdate0,zsecond,numdust) |
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| 72 | CALL flinget(numdust,'dust',jpidta,jpjdta,0,jpmois,1, & |
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| 73 | & 12,mig(1),nlci,mjg(1),nlcj,dustmo(1:nlci,1:nlcj,:) ) |
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| 74 | CALL flinclo(numdust) |
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| 75 | |
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| 76 | ! Extra-halo initialization in MPP |
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| 77 | IF( lk_mpp ) THEN |
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| 78 | DO ji = nlci+1, jpi |
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| 79 | dustmo(ji,:,:) = dustmo(1,:,:) |
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| 80 | ENDDO |
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| 81 | DO jj = nlcj+1, jpj |
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| 82 | dustmo(:,jj,:)=dustmo(:,1,:) |
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| 83 | ENDDO |
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| 84 | ENDIF |
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| 85 | ELSE |
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| 86 | dustmo(:,:,:)=0. |
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| 87 | ENDIF |
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| 88 | |
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| 89 | !! INITIALISE THE NUTRIENT INPUT BY RIVERS |
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| 90 | !! --------------------------------------- |
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| 91 | |
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| 92 | IF (briver) THEN |
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| 93 | clname='river.orca.nc' |
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| 94 | CALL flinopen(clname,mig(1),nlci,mjg(1),nlcj,.false.,ipi,ipj,0 & |
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| 95 | & ,zlon,zlat,zlev,itime,istep0,zdate0,zsecond,numriv) |
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| 96 | CALL flinget(numriv,'riverdic',jpidta,jpjdta,0,jpan,1, & |
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| 97 | & 1,mig(1),nlci,mjg(1),nlcj,river(1:nlci,1:nlcj) ) |
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| 98 | CALL flinget(numriv,'riverdoc',jpidta,jpjdta,0,jpan,1, & |
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| 99 | & 1,mig(1),nlci,mjg(1),nlcj,riverdoc(1:nlci,1:nlcj) ) |
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| 100 | CALL flinclo(numriv) |
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| 101 | |
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| 102 | ! Extra-halo initialization in MPP |
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| 103 | IF( lk_mpp ) THEN |
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| 104 | DO ji = nlci+1, jpi |
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| 105 | river(ji,:) = river(1,:) |
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| 106 | riverdoc(ji,:) = riverdoc(1,:) |
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| 107 | ENDDO |
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| 108 | DO jj = nlcj+1, jpj |
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| 109 | river(:,jj)=river(:,1) |
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| 110 | riverdoc(:,jj) = riverdoc(:,1) |
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| 111 | ENDDO |
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| 112 | ENDIF |
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| 113 | |
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| 114 | ELSE |
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| 115 | river(:,:)=0. |
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| 116 | riverdoc(:,:)=0. |
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| 117 | endif |
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| 118 | |
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| 119 | !! INITIALISE THE N INPUT BY DUST |
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| 120 | !! --------------------------------------- |
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| 121 | |
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| 122 | IF (bndepo) THEN |
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| 123 | clname='ndeposition.orca.nc' |
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| 124 | CALL flinopen(clname,mig(1),nlci,mjg(1),nlcj,.false.,ipi,ipj,0 & |
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| 125 | & ,zlon,zlat,zlev,itime,istep0,zdate0,zsecond,numdep) |
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| 126 | CALL flinget(numdep,'ndep',jpidta,jpjdta,0,jpan,1, & |
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| 127 | & 1,mig(1),nlci,mjg(1),nlcj,ndepo(1:nlci,1:nlcj) ) |
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| 128 | CALL flinclo(numdep) |
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| 129 | |
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| 130 | ! Extra-halo initialization in MPP |
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| 131 | IF( lk_mpp ) THEN |
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| 132 | DO ji = nlci+1, jpi |
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| 133 | ndepo(ji,:) = ndepo(1,:) |
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| 134 | ENDDO |
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| 135 | DO jj = nlcj+1, jpj |
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| 136 | ndepo(:,jj)=ndepo(:,1) |
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| 137 | ENDDO |
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| 138 | ENDIF |
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| 139 | |
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| 140 | ELSE |
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| 141 | ndepo(:,:)=0. |
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| 142 | ENDIF |
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| 143 | |
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| 144 | !! Computation of the coastal mask. |
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| 145 | !! Computation of an island mask to enhance coastal supply |
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| 146 | !! of iron |
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| 147 | !! ------------------------------------------------------- |
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| 148 | |
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| 149 | IF (bsedinput) THEN |
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| 150 | clname='bathy.orca.nc' |
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| 151 | CALL flinopen(clname,mig(1),nlci,mjg(1),nlcj,.false.,ipi,ipj,ipk & |
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| 152 | & ,zlon,zlat,zlev,itime,istep0,zdate0,zsecond,numbath) |
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| 153 | CALL flinget(numbath,'bathy',jpidta,jpjdta,jpk,jpan,1, & |
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| 154 | & 1,mig(1),nlci,mjg(1),nlcj,cmask(1:nlci,1:nlcj,1:jpk) ) |
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| 155 | CALL flinclo(numbath) |
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| 156 | |
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| 157 | ! Extra-halo initialization in MPP |
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| 158 | IF( lk_mpp ) THEN |
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| 159 | DO ji = nlci+1, jpi |
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| 160 | cmask(ji,:,:) = cmask(1,:,:) |
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| 161 | ENDDO |
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| 162 | DO jj = nlcj+1, jpj |
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| 163 | cmask(:,jj,:)=cmask(:,1,:) |
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| 164 | ENDDO |
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| 165 | ENDIF |
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| 166 | |
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| 167 | DO jk = 1, jpk |
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| 168 | DO jj = 1, jpj |
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| 169 | DO ji = 1, jpi |
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| 170 | expide=min(8.,(fsdept(ji,jj,jk)/500.)**(-1.5)) |
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| 171 | denitide=-0.9543+0.7662*log(expide)-0.235*log(expide)**2 |
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| 172 | cmask(ji,jj,jk)=cmask(ji,jj,jk)*exp(denitide)/0.6858 |
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| 173 | END DO |
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| 174 | END DO |
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| 175 | END DO |
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| 176 | |
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| 177 | ELSE |
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| 178 | cmask(:,:,:)=0. |
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| 179 | ENDIF |
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| 180 | |
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| 181 | !! Computation of the total atmospheric supply of Si |
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| 182 | !! ------------------------------------------------- |
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| 183 | |
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| 184 | sumdepsi=0. |
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| 185 | DO mo=1,12 |
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| 186 | DO jj=2,jpjm1 |
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| 187 | DO ji=2,jpim1 |
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| 188 | sumdepsi=sumdepsi+dustmo(ji,jj,mo)/(12.*rmoss)*8.8 & |
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| 189 | *0.075/28.1*e1t(ji,jj)*e2t(ji,jj)*tmask(ji,jj,1) |
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| 190 | END DO |
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| 191 | END DO |
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| 192 | END DO |
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| 193 | |
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| 194 | IF( lk_mpp ) CALL mpp_sum( sumdepsi ) ! sum over the global domain |
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| 195 | |
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| 196 | !! COMPUTATION OF THE N/P RELEASE DUE TO COASTAL RIVERS |
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| 197 | !! COMPUTATION OF THE Si RELEASE DUE TO COASTAL RIVERS |
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| 198 | !! --------------------------------------------------- |
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| 199 | |
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| 200 | DO jj=1,jpj |
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| 201 | DO ji=1,jpi |
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| 202 | cotdep(ji,jj,1)=river(ji,jj)*1E9/(12.*raass & |
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| 203 | *e1t(ji,jj)*e2t(ji,jj)*fse3t(ji,jj,1)+rtrn)*tmask(ji,jj,1) |
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| 204 | po4dep(ji,jj,1)=(river(ji,jj)+riverdoc(ji,jj))*1E9 & |
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| 205 | /(31.6*raass*e1t(ji,jj)*e2t(ji,jj)*fse3t(ji,jj,1)+rtrn) & |
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| 206 | *tmask(ji,jj,1) |
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| 207 | nitdep(ji,jj,1)=7.6*ndepo(ji,jj)*tmask(ji,jj,1)/(14E6*raass & |
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| 208 | *fse3t(ji,jj,1)+rtrn) |
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| 209 | END DO |
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| 210 | END DO |
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| 211 | |
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| 212 | rivpo4input=0. |
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| 213 | rivalkinput=0. |
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| 214 | rivnitinput=0. |
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| 215 | DO jj=2,jpjm1 |
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| 216 | DO ji=2,jpim1 |
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| 217 | rivpo4input=rivpo4input+po4dep(ji,jj,1)*(e1t(ji,jj)*e2t(ji,jj) & |
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| 218 | *fse3t(ji,jj,1))*tmask(ji,jj,1)*raass |
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| 219 | rivalkinput=rivalkinput+cotdep(ji,jj,1)*(e1t(ji,jj)*e2t(ji,jj) & |
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| 220 | *fse3t(ji,jj,1))*tmask(ji,jj,1)*raass |
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| 221 | rivnitinput=rivnitinput+nitdep(ji,jj,1)*(e1t(ji,jj)*e2t(ji,jj) & |
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| 222 | *fse3t(ji,jj,1))*tmask(ji,jj,1)*raass |
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| 223 | END DO |
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| 224 | END DO |
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| 225 | |
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| 226 | IF( lk_mpp ) THEN |
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| 227 | CALL mpp_sum( rivpo4input ) ! sum over the global domain |
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| 228 | CALL mpp_sum( rivalkinput ) ! sum over the global domain |
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| 229 | CALL mpp_sum( rivnitinput ) ! sum over the global domain |
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| 230 | ENDIF |
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| 231 | |
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| 232 | |
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| 233 | !! Coastal supply of iron |
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| 234 | !! ---------------------- |
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| 235 | |
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| 236 | DO jk=1,jpkm1 |
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| 237 | ironsed(:,:,jk)=sedfeinput*cmask(:,:,jk) & |
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| 238 | /(fse3t(:,:,jk)*rjjss) |
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| 239 | END DO |
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| 240 | !!---------------------------------------------------------------------- |
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| 241 | !! |
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| 242 | !! Initialize biological variables |
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| 243 | !! |
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| 244 | !!---------------------------------------------------------------------- |
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| 245 | |
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| 246 | spocri = 0.003 |
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| 247 | jkopt = 14 |
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| 248 | |
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| 249 | !! Set biological ratios |
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| 250 | !! --------------------- |
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| 251 | |
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| 252 | rno3 = (16.+2.)/122. |
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| 253 | po4r = 1./122. |
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| 254 | o2ut = 172./122. |
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| 255 | o2nit = 32./122. |
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| 256 | rdenit = 97.6/16. |
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| 257 | o2ut = 140./122. |
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| 258 | |
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| 259 | !!---------------------------------------------------------------------- |
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| 260 | !! |
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| 261 | !! Initialize chemical variables |
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| 262 | !! |
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| 263 | !!---------------------------------------------------------------------- |
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| 264 | |
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| 265 | !! set pre-industrial atmospheric [co2] (ppm) and o2/n2 ratio |
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| 266 | !! ---------------------------------------------------------- |
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| 267 | |
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| 268 | atcox = 0.20946 |
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| 269 | |
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| 270 | !! Set lower/upper limits for temperature and salinity |
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| 271 | !! --------------------------------------------------- |
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| 272 | |
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| 273 | salchl = 1./1.80655 |
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| 274 | calcon = 1.03E-2 |
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| 275 | |
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| 276 | !! Set coefficients for apparent solubility equilibrium |
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| 277 | !! of calcite (Ingle, 1800, eq. 6) |
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| 278 | !! ---------------------------------------------------- |
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| 279 | |
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| 280 | akcc1 = -34.452 |
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| 281 | akcc2 = -39.866 |
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| 282 | akcc3 = 110.21 |
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| 283 | akcc4 = -7.5752E-6 |
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| 284 | |
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| 285 | |
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| 286 | !! Set coefficients for seawater pressure correction |
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| 287 | !! ------------------------------------------------- |
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| 288 | |
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| 289 | devk1 = 24.2 |
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| 290 | devk2 = 16.4 |
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| 291 | devkb = 27.5 |
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| 292 | devk1t = 0.085 |
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| 293 | devk2t = 0.04 |
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| 294 | devkbt = 0.095 |
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| 295 | |
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| 296 | devkst = 0.23 |
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| 297 | devks = 35.4 |
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| 298 | |
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| 299 | !! Set universal gas constants |
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| 300 | !! --------------------------- |
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| 301 | |
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| 302 | rgas = 83.143 |
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| 303 | oxyco = 1./22.4144 |
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| 304 | |
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| 305 | !! Set boron constants |
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| 306 | !! ------------------- |
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| 307 | |
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| 308 | bor1 = 0.00023 |
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| 309 | bor2 = 1./10.82 |
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| 310 | |
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| 311 | !! Set volumetric solubility constants for co2 in ml/l (Weiss, 1974) |
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| 312 | !! ----------------------------------------------------------------- |
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| 313 | |
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| 314 | c00 = -58.0931 |
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| 315 | c01 = 90.5069 |
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| 316 | c02 = 22.2940 |
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| 317 | c03 = 0.027766 |
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| 318 | c04 = -0.025888 |
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| 319 | c05 = 0.0050578 |
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| 320 | |
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| 321 | !! Set coeff. for 1. dissoc. of carbonic acid (Edmond and Gieskes, 1970) |
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| 322 | !! --------------------------------------------------------------------- |
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| 323 | |
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| 324 | c10 = -2307.1266 |
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| 325 | c11 = 2.83655 |
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| 326 | c12 = -1.5529413 |
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| 327 | c13 = -4.0484 |
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| 328 | c14 = -0.20760841 |
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| 329 | c15 = 0.08468345 |
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| 330 | c16 = -0.00654208 |
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| 331 | c17 = -0.001005 |
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| 332 | |
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| 333 | !! Set coeff. for 2. dissoc. of carbonic acid (Edmond and Gieskes, 1970) |
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| 334 | !! --------------------------------------------------------------------- |
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| 335 | |
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| 336 | c20 = -3351.6106 |
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| 337 | c21 = -9.226508 |
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| 338 | c22 = -0.2005743 |
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| 339 | c23 = -23.9722 |
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| 340 | c24 = -0.106901773 |
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| 341 | c25 = 0.1130822 |
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| 342 | c26 = -0.00846934 |
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| 343 | c27 = -0.001005 |
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| 344 | |
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| 345 | !! Set coeff. for 1. dissoc. of boric acid (Edmond and Gieskes, 1970) |
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| 346 | !! ------------------------------------------------------------------ |
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| 347 | |
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| 348 | cb0 = -8966.90 |
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| 349 | cb1 = -2890.53 |
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| 350 | cb2 = -77.942 |
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| 351 | cb3 = 1.728 |
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| 352 | cb4 = -0.0996 |
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| 353 | cb5 = 148.0248 |
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| 354 | cb6 = 137.1942 |
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| 355 | cb7 = 1.62142 |
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| 356 | cb8 = -24.4344 |
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| 357 | cb9 = -25.085 |
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| 358 | cb10 = -0.2474 |
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| 359 | cb11 = 0.053105 |
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| 360 | |
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| 361 | !! Set coeff. for dissoc. of water (Dickson and Riley, 1979, |
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| 362 | !! eq. 7, coefficient cw2 corrected from 0.9415 to 0.09415 |
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| 363 | !! after pers. commun. to B. Bacastow, 1988) |
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| 364 | !! --------------------------------------------------------- |
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| 365 | |
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| 366 | cw0 = -13847.26 |
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| 367 | cw1 = 148.9652 |
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| 368 | cw2 = -23.6521 |
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| 369 | cw3 = 118.67 |
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| 370 | cw4 = -5.977 |
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| 371 | cw5 = 1.0495 |
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| 372 | cw6 = -0.01615 |
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| 373 | |
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| 374 | !! Set volumetric solubility constants for o2 in ml/l (Weiss, 1970) |
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| 375 | !! ---------------------------------------------------------------- |
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| 376 | |
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| 377 | ox0 = -58.3877 |
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| 378 | ox1 = 85.8079 |
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| 379 | ox2 = 23.8439 |
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| 380 | ox3 = -0.034892 |
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| 381 | ox4 = 0.015568 |
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| 382 | ox5 = -0.0019387 |
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| 383 | |
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| 384 | !! FROM THE NEW BIOOPTIC MODEL PROPOSED JM ANDRE, WE READ HERE |
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| 385 | !! A PRECOMPUTED ARRAY CORRESPONDING TO THE ATTENUATION COEFFICIENT |
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| 386 | |
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| 387 | open(49,file='kRGB61.txt',form='formatted') |
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| 388 | do ichl=1,61 |
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| 389 | READ(49,*) xtoto,(xkrgb(iband,ichl),iband = 1,3) |
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| 390 | end do |
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| 391 | close(49) |
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| 392 | |
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| 393 | #if defined key_off_degrad |
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| 394 | |
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| 395 | !! Read volume for degraded regions (DEGINIT) |
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| 396 | !! ------------------------------------------ |
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| 397 | |
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| 398 | # if defined key_vpp |
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| 399 | CALL READ3S(902,facvol,jpi,jpj,jpk) |
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| 400 | # else |
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| 401 | READ (902) facvol |
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| 402 | # endif |
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| 403 | #endif |
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| 404 | |
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| 405 | |
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| 406 | !! Call p4zche to initialize the chemical constants |
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| 407 | !! ------------------------------------------------ |
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| 408 | |
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| 409 | CALL p4zche |
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| 410 | |
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| 411 | IF(lwp) WRITE(numout,*) ' Initialisation of PISCES done' |
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