[341] | 1 | |
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[726] | 2 | CCC $Header: /home/opalod/NEMOCVSROOT/NEMO/TOP_SRC/SMS/p4zmeso.F,v 1.8 2007/10/12 09:32:52 opalod Exp $ |
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[341] | 3 | CCC TOP 1.0 , LOCEAN-IPSL (2005) |
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| 4 | C This software is governed by CeCILL licence see modipsl/doc/NEMO_CeCILL.txt |
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| 5 | C --------------------------------------------------------------------------- |
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[186] | 6 | CDIR$ LIST |
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| 7 | SUBROUTINE p4zmeso |
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| 8 | #if defined key_passivetrc && defined key_trc_pisces |
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| 9 | CCC--------------------------------------------------------------------- |
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| 10 | CCC |
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| 11 | CCC ROUTINE p4zmeso : PISCES MODEL |
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| 12 | CCC ****************************** |
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| 13 | CCC |
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| 14 | CCC PURPOSE : |
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| 15 | CCC --------- |
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| 16 | CCC Compute the sources/sinks for mesozooplankton |
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| 17 | CCC |
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| 18 | CC METHOD : |
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| 19 | CC ------- |
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| 20 | CC |
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| 21 | CC |
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| 22 | CC INPUT : |
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| 23 | CC ----- |
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| 24 | CC argument |
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| 25 | CC None |
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| 26 | CC common |
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| 27 | CC all the common defined in opa |
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| 28 | CC |
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| 29 | CC |
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| 30 | CC OUTPUT : : no |
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| 31 | CC ------ |
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| 32 | CC |
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| 33 | CC EXTERNAL : |
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| 34 | CC -------- |
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| 35 | CC None |
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| 36 | CC |
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| 37 | CC MODIFICATIONS: |
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| 38 | CC -------------- |
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| 39 | CC original : O. Aumont (2002) |
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| 40 | CC---------------------------------------------------------------------- |
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| 41 | CC parameters and commons |
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| 42 | CC ====================== |
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| 43 | CDIR$ NOLIST |
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| 44 | USE oce_trc |
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| 45 | USE trp_trc |
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| 46 | USE sms |
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| 47 | IMPLICIT NONE |
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| 48 | CDIR$ LIST |
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| 49 | CC---------------------------------------------------------------------- |
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| 50 | CC local declarations |
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| 51 | CC ================== |
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| 52 | INTEGER ji, jj, jk |
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| 53 | REAL compadi,compaph,compapoc,compaz |
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[339] | 54 | REAL zfact,zstep,compam,zdenom,graze2 |
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[186] | 55 | C |
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[339] | 56 | C |
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| 57 | C |
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| 58 | C Time step duration for biology |
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| 59 | C ------------------------------ |
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| 60 | C |
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| 61 | zstep=rfact2/rjjss |
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| 62 | C |
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[186] | 63 | DO jk = 1,jpkm1 |
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| 64 | DO jj = 1,jpj |
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| 65 | DO ji = 1,jpi |
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| 66 | C |
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| 67 | compam=max((trn(ji,jj,jk,jpmes)-1.E-9),0.) |
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[339] | 68 | zfact=zstep*tgfunc(ji,jj,jk)*compam |
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| 69 | # if defined key_off_degrad |
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| 70 | & *facvol(ji,jj,jk) |
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| 71 | # endif |
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[186] | 72 | C |
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| 73 | C Respiration rates of both zooplankton |
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| 74 | C ------------------------------------- |
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| 75 | C |
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[339] | 76 | respz2(ji,jj,jk) = resrat2*zfact |
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| 77 | & *(1.+3.*nitrfac(ji,jj,jk)) |
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[186] | 78 | & *trn(ji,jj,jk,jpmes)/(xkmort+trn(ji,jj,jk,jpmes)) |
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| 79 | C |
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| 80 | C Zooplankton mortality. A square function has been selected with |
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| 81 | C no real reason except that it seems to be more stable and may |
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| 82 | C mimic predation. |
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| 83 | C --------------------------------------------------------------- |
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| 84 | C |
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[339] | 85 | tortz2(ji,jj,jk) = mzrat2*1E6*zfact*trn(ji,jj,jk,jpmes) |
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[186] | 86 | C |
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| 87 | END DO |
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| 88 | END DO |
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| 89 | END DO |
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| 90 | |
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| 91 | DO jk = 1,jpkm1 |
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| 92 | DO jj = 1,jpj |
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| 93 | DO ji = 1,jpi |
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| 94 | C |
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| 95 | compadi = max((trn(ji,jj,jk,jpdia)-1E-8),0.) |
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[339] | 96 | compaz = max((trn(ji,jj,jk,jpzoo)-1.E-8),0.) |
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| 97 | compaph = max((trn(ji,jj,jk,jpphy)-2E-7),0.) |
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| 98 | compapoc=max((trn(ji,jj,jk,jppoc)-1E-8),0.) |
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[186] | 99 | C |
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| 100 | C Microzooplankton grazing |
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| 101 | C ------------------------ |
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| 102 | C |
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| 103 | zdenom=1./(xkgraz2+xprefc*trn(ji,jj,jk,jpdia) |
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| 104 | & +xprefz*trn(ji,jj,jk,jpzoo) |
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| 105 | & +xprefp*trn(ji,jj,jk,jpphy) |
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| 106 | & +xprefpoc*trn(ji,jj,jk,jppoc)) |
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| 107 | |
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[339] | 108 | graze2 = grazrat2*zstep*Tgfunc2(ji,jj,jk)*zdenom |
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[186] | 109 | & *trn(ji,jj,jk,jpmes) |
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[339] | 110 | # if defined key_off_degrad |
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| 111 | & *facvol(ji,jj,jk) |
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| 112 | # endif |
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[186] | 113 | |
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[339] | 114 | grazd(ji,jj,jk) = graze2*xprefc*compadi |
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| 115 | grazz(ji,jj,jk) = graze2*xprefz*compaz |
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| 116 | grazn(ji,jj,jk) = graze2*xprefp*compaph |
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| 117 | grazpoc(ji,jj,jk) = graze2*xprefpoc*compapoc |
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[186] | 118 | |
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| 119 | graznf(ji,jj,jk) = grazn(ji,jj,jk) |
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| 120 | & *trn(ji,jj,jk,jpnfe)/(trn(ji,jj,jk,jpphy)+rtrn) |
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| 121 | |
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| 122 | graznch(ji,jj,jk) = grazn(ji,jj,jk) |
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| 123 | & *trn(ji,jj,jk,jpnch)/(trn(ji,jj,jk,jpphy)+rtrn) |
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| 124 | |
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| 125 | grazs(ji,jj,jk) = grazd(ji,jj,jk) |
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| 126 | & *trn(ji,jj,jk,jpbsi)/(trn(ji,jj,jk,jpdia)+rtrn) |
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| 127 | |
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| 128 | grazf(ji,jj,jk) = grazd(ji,jj,jk) |
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| 129 | & *trn(ji,jj,jk,jpdfe)/(trn(ji,jj,jk,jpdia)+rtrn) |
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| 130 | |
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| 131 | grazdch(ji,jj,jk) = grazd(ji,jj,jk) |
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| 132 | & *trn(ji,jj,jk,jpdch)/(trn(ji,jj,jk,jpdia)+rtrn) |
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| 133 | |
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| 134 | grazpof(ji,jj,jk) = grazpoc(ji,jj,jk) |
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| 135 | & *trn(ji,jj,jk,jpsfe)/(trn(ji,jj,jk,jppoc)+rtrn) |
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| 136 | C |
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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 | |
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| 141 | DO jk = 1,jpkm1 |
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| 142 | DO jj = 1,jpj |
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| 143 | DO ji = 1,jpi |
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| 144 | C |
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| 145 | C Mesozooplankton flux feeding on GOC |
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| 146 | C ---------------------------------- |
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| 147 | C |
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[617] | 148 | #if ! defined key_trc_kriest |
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[339] | 149 | grazffe(ji,jj,jk) = 5E3*zstep*wsbio4(ji,jj,jk) |
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| 150 | & *tgfunc2(ji,jj,jk)*trn(ji,jj,jk,jpgoc)*trn(ji,jj,jk,jpmes) |
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[186] | 151 | # if defined key_off_degrad |
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| 152 | & *facvol(ji,jj,jk) |
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| 153 | # endif |
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| 154 | |
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| 155 | grazfff(ji,jj,jk) = grazffe(ji,jj,jk) |
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| 156 | & *trn(ji,jj,jk,jpbfe)/(trn(ji,jj,jk,jpgoc)+rtrn) |
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[617] | 157 | #else |
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| 158 | C KRIEST3 |
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| 159 | grazffe(ji,jj,jk) = 0.5*1.3E-2/5.5E-7*0.3*zstep*wsbio3(ji,jj,jk) |
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| 160 | & *tgfunc(ji,jj,jk)*trn(ji,jj,jk,jppoc)*trn(ji,jj,jk,jpmes) |
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| 161 | & /(trn(ji,jj,jk,jppoc)*1E7+0.1) |
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| 162 | # if defined key_off_degrad |
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| 163 | & *facvol(ji,jj,jk) |
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| 164 | # endif |
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| 165 | |
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| 166 | |
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| 167 | C grazffe(ji,jj,jk) = 5E3*zstep*wsbio3(ji,jj,jk) |
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| 168 | C & *tgfunc2(ji,jj,jk)*trn(ji,jj,jk,jppoc)*trn(ji,jj,jk,jpmes) |
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| 169 | C# if defined key_off_degrad |
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| 170 | C & *facvol(ji,jj,jk) |
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| 171 | C# endif |
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| 172 | grazfff(ji,jj,jk) = grazffe(ji,jj,jk) |
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| 173 | & *trn(ji,jj,jk,jpsfe)/(trn(ji,jj,jk,jppoc)+rtrn) |
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| 174 | #endif |
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| 175 | |
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| 176 | |
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[186] | 177 | C |
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| 178 | END DO |
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| 179 | END DO |
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| 180 | END DO |
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| 181 | |
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| 182 | DO jk = 1,jpkm1 |
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| 183 | DO jj = 1,jpj |
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| 184 | DO ji = 1,jpi |
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| 185 | C |
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| 186 | C Mesozooplankton efficiency |
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| 187 | C -------------------------- |
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| 188 | C |
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| 189 | grarem2(ji,jj,jk)=(grazd(ji,jj,jk)+grazz(ji,jj,jk) |
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| 190 | & +grazn(ji,jj,jk)+grazpoc(ji,jj,jk)+grazffe(ji,jj,jk)) |
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| 191 | & *(1.-epsher2-unass2) |
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[617] | 192 | #if ! defined key_trc_kriest |
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[186] | 193 | grafer2(ji,jj,jk)=(grazf(ji,jj,jk)+graznf(ji,jj,jk) |
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| 194 | & +grazz(ji,jj,jk)*ferat3+grazpof(ji,jj,jk) |
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| 195 | & +grazfff(ji,jj,jk))*(1.-epsher2-unass2) |
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| 196 | & +epsher2*(grazd(ji,jj,jk)*max( |
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| 197 | & (trn(ji,jj,jk,jpdfe)/(trn(ji,jj,jk,jpdia)+rtrn) |
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| 198 | & -ferat3),0.)+grazn(ji,jj,jk)*max( |
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| 199 | & (trn(ji,jj,jk,jpnfe)/(trn(ji,jj,jk,jpphy)+rtrn) |
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| 200 | & -ferat3),0.)+grazpoc(ji,jj,jk)*max( |
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| 201 | & (trn(ji,jj,jk,jpsfe)/(trn(ji,jj,jk,jppoc)+rtrn) |
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| 202 | & -ferat3),0.)+grazffe(ji,jj,jk)*max( |
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| 203 | & (trn(ji,jj,jk,jpbfe)/(trn(ji,jj,jk,jpgoc)+rtrn) |
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| 204 | & -ferat3),0.)) |
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[617] | 205 | #else |
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| 206 | grafer2(ji,jj,jk)=(grazf(ji,jj,jk)+graznf(ji,jj,jk) |
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| 207 | & +grazz(ji,jj,jk)*ferat3+grazpof(ji,jj,jk) |
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| 208 | & +grazfff(ji,jj,jk))*(1.-epsher2-unass2) |
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| 209 | & +epsher2*(grazd(ji,jj,jk)*max( |
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| 210 | & (trn(ji,jj,jk,jpdfe)/(trn(ji,jj,jk,jpdia)+rtrn) |
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| 211 | & -ferat3),0.)+grazn(ji,jj,jk)*max( |
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| 212 | & (trn(ji,jj,jk,jpnfe)/(trn(ji,jj,jk,jpphy)+rtrn) |
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| 213 | & -ferat3),0.)+grazpoc(ji,jj,jk)*max( |
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| 214 | & (trn(ji,jj,jk,jpsfe)/(trn(ji,jj,jk,jppoc)+rtrn) |
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| 215 | & -ferat3),0.)+grazffe(ji,jj,jk)*max( |
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| 216 | & (trn(ji,jj,jk,jpsfe)/(trn(ji,jj,jk,jppoc)+rtrn) |
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| 217 | & -ferat3),0.)) |
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| 218 | #endif |
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[186] | 219 | grapoc2(ji,jj,jk)=(grazd(ji,jj,jk)+grazz(ji,jj,jk) |
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| 220 | & +grazn(ji,jj,jk)+grazpoc(ji,jj,jk)+grazffe(ji,jj,jk))*unass2 |
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| 221 | |
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| 222 | END DO |
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| 223 | END DO |
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| 224 | END DO |
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| 225 | C |
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| 226 | #endif |
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| 227 | RETURN |
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| 228 | END |
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