[341] | 1 | |
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[719] | 2 | CCC $Header$ |
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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 p4zlys |
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[772] | 8 | #if defined key_top && defined key_pisces |
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[186] | 9 | CCC--------------------------------------------------------------------- |
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| 10 | CCC |
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| 11 | CCC ROUTINE p4zlys : PISCES MODEL |
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| 12 | CCC ***************************** |
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| 13 | CCC |
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| 14 | CCC |
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| 15 | CCC PURPOSE. |
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| 16 | CCC -------- |
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| 17 | CCC *P4ZLYS* CALCULATES DEGREE OF CACO3 SATURATION IN THE WATER |
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| 18 | CCC COLUMN, DISSOLUTION/PRECIPITATION OF CACO3 AND LOSS |
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| 19 | CCC OF CACO3 TO THE CACO3 SEDIMENT POOL. |
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| 20 | CC |
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| 21 | CC EXTERNALS. |
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| 22 | CC ---------- |
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| 23 | CC NONE. |
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| 24 | CC |
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| 25 | CC MODIFICATIONS: |
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| 26 | CC -------------- |
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| 27 | CC original : 1988-07 E. MAIER-REIMER MPI HAMBURG |
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| 28 | CC additions : 1998 O. Aumont |
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| 29 | CC modifications : 1999 C. Le Quere |
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| 30 | CC modifications : 2004 O. Aumont |
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| 31 | CC --------------------------------------------------------------------------- |
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| 32 | CC parameters and commons |
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| 33 | CC ====================== |
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| 34 | CDIR$ NOLIST |
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| 35 | USE oce_trc |
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| 36 | USE trp_trc |
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| 37 | USE sms |
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| 38 | IMPLICIT NONE |
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| 39 | CDIR$ LIST |
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| 40 | CC---------------------------------------------------------------------- |
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| 41 | CC local declarations |
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| 42 | CC ================== |
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| 43 | C |
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| 44 | INTEGER ji, jj, jk, jn |
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| 45 | REAL zbot, zalk, zdic, zph, remco3, ah2 |
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[617] | 46 | REAL dispot, zfact, zalka |
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| 47 | REAL omegaca, excess, excess0 |
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| 48 | REAL co3(jpi,jpj,jpk) |
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[186] | 49 | C |
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| 50 | C |
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| 51 | C* 1.1 BEGIN OF ITERATION |
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| 52 | C ------------------------ |
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| 53 | C |
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| 54 | DO jn = 1,5 |
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| 55 | C |
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| 56 | C* 1.2 COMPUTE [CO3--] and [H+] CONCENTRATIONS |
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| 57 | C ------------------------------------------- |
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| 58 | C |
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[339] | 59 | DO jk = 1,jpkm1 |
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| 60 | DO jj=1,jpj |
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| 61 | DO ji = 1, jpi |
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[186] | 62 | C |
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| 63 | C* 1.3 SET DUMMY VARIABLE FOR TOTAL BORATE |
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| 64 | C ----------------------------------------- |
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| 65 | C |
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[339] | 66 | zbot = borat(ji,jj,jk) |
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| 67 | zfact=rhop(ji,jj,jk)/1000.+rtrn |
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[186] | 68 | C |
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| 69 | C* 1.4 SET DUMMY VARIABLE FOR [H+] |
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| 70 | C --------------------------------- |
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| 71 | C |
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[339] | 72 | zph = hi(ji,jj,jk)*tmask(ji,jj,jk)/zfact |
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| 73 | & +(1.-tmask(ji,jj,jk))*1.e-9 |
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[186] | 74 | C |
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| 75 | C* 1.5 SET DUMMY VARIABLE FOR [SUM(CO2)]GIVEN |
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| 76 | C ------------------------------------------- |
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| 77 | C |
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[339] | 78 | zdic=trn(ji,jj,jk,jpdic)/zfact |
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| 79 | zalka=trn(ji,jj,jk,jptal)/zfact |
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[186] | 80 | C |
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| 81 | C* 1.6 CALCULATE [ALK]([CO3--], [HCO3-]) |
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| 82 | C ------------------------------------ |
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| 83 | C |
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[339] | 84 | zalk=zalka-(akw3(ji,jj,jk)/zph-zph |
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| 85 | & +zbot/(1.+zph/akb3(ji,jj,jk))) |
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[186] | 86 | C |
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| 87 | C* 2.10 CALCULATE [H+] and [CO3--] |
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| 88 | C ----------------------------------------- |
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| 89 | C |
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[339] | 90 | ah2=sqrt((zdic-zalk)*(zdic-zalk)+ |
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| 91 | & 4.*(zalk*ak23(ji,jj,jk)/ak13(ji,jj,jk)) |
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| 92 | & *(2*zdic-zalk)) |
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[186] | 93 | C |
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[339] | 94 | ah2=0.5*ak13(ji,jj,jk)/zalk*((zdic-zalk)+ah2) |
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| 95 | co3(ji,jj,jk) = zalk/(2.+ah2/ak23(ji,jj,jk))*zfact |
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| 96 | |
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| 97 | hi(ji,jj,jk) = ah2*zfact |
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[186] | 98 | C |
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[339] | 99 | ENDDO |
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| 100 | ENDDO |
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| 101 | END DO |
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[186] | 102 | C |
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| 103 | END DO |
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| 104 | C |
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| 105 | C --------------------------------------------------------- |
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| 106 | C* 2. CALCULATE DEGREE OF CACO3 SATURATION AND CORRESPONDING |
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| 107 | C DISSOLOUTION AND PRECIPITATION OF CACO3 (BE AWARE OF |
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| 108 | C MGCO3) |
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| 109 | C --------------------------------------------------------- |
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| 110 | C |
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| 111 | DO jk = 1,jpkm1 |
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| 112 | DO jj = 1,jpj |
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| 113 | DO ji = 1, jpi |
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| 114 | C |
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| 115 | C* 2.1 DEVIATION OF [CO3--] FROM SATURATION VALUE |
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| 116 | C ------------------------------------------------ |
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| 117 | C |
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[617] | 118 | omegaca = ( calcon * co3(ji,jj,jk) )/aksp(ji,jj,jk) |
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| 119 | |
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[186] | 120 | C |
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| 121 | C* 2.2 SET DEGREE OF UNDER-/SUPERSATURATION |
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| 122 | C ------------------------------------------ |
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| 123 | C |
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[617] | 124 | excess0 = max(0.,(1.-omegaca)) |
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| 125 | excess = excess0**nca |
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| 126 | |
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[186] | 127 | C |
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| 128 | C* 2.3 AMOUNT CACO3 (12C) THAT RE-ENTERS SOLUTION |
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| 129 | C (ACCORDING TO THIS FORMULATION ALSO SOME PARTICULATE |
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| 130 | C CACO3 GETS DISSOLVED EVEN IN THE CASE OF OVERSATURATION) |
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| 131 | C -------------------------------------------------------------- |
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| 132 | C |
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[617] | 133 | dispot = kdca * excess * trn(ji,jj,jk,jpcal) |
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[186] | 134 | # if defined key_off_degrad |
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[339] | 135 | & *facvol(ji,jj,jk) |
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[186] | 136 | # endif |
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[617] | 137 | |
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[186] | 138 | C |
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| 139 | C* 2.4 CHANGE OF [CO3--] , [ALK], PARTICULATE [CACO3], |
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| 140 | C AND [SUM(CO2)] DUE TO CACO3 DISSOLUTION/PRECIPITATION |
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| 141 | C ----------------------------------------------------------- |
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| 142 | C |
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| 143 | remco3=dispot/rmoss |
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| 144 | co3(ji,jj,jk) = co3(ji,jj,jk)+ |
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[339] | 145 | & remco3*rfact |
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[186] | 146 | tra(ji,jj,jk,jptal) = tra(ji,jj,jk,jptal)+ |
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[339] | 147 | & 2.*remco3 |
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[186] | 148 | tra(ji,jj,jk,jpcal) = tra(ji,jj,jk,jpcal)- |
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[339] | 149 | & remco3 |
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[186] | 150 | tra(ji,jj,jk,jpdic) = tra(ji,jj,jk,jpdic)+ |
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[339] | 151 | & remco3 |
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[186] | 152 | C |
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| 153 | ENDDO |
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| 154 | ENDDO |
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| 155 | END DO |
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| 156 | |
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| 157 | # if defined key_trc_dia3d |
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[339] | 158 | trc3d(:,:,:,1) = rhop(:,:,:) |
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[186] | 159 | trc3d(:,:,:,2) = co3(:,:,:) |
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| 160 | trc3d(:,:,:,3) = aksp(:,:,:)/calcon |
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| 161 | # endif |
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| 162 | |
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| 163 | C |
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| 164 | #endif |
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| 165 | RETURN |
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| 166 | END |
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