[274] | 1 | CCC$Header$ |
---|
| 2 | CCC TOP 1.0 , LOCEAN-IPSL (2005) |
---|
| 3 | C This software is governed by CeCILL licence see modipsl/doc/NEMO_CeCILL.txt |
---|
| 4 | C --------------------------------------------------------------------------- |
---|
[186] | 5 | CDIR$ LIST |
---|
| 6 | SUBROUTINE p4zche |
---|
| 7 | #if defined key_passivetrc && defined key_trc_pisces |
---|
| 8 | CCC--------------------------------------------------------------------- |
---|
| 9 | CCC |
---|
| 10 | CCC ROUTINE p4zche : PISCES MODEL |
---|
| 11 | CCC ***************************** |
---|
| 12 | CCC |
---|
| 13 | CCC PURPOSE. |
---|
| 14 | CCC -------- |
---|
| 15 | CCC *P4ZCHE* SETS CHEMICAL CONSTANTS |
---|
| 16 | CCC |
---|
| 17 | CCC |
---|
| 18 | CC EXTERNALS. |
---|
| 19 | CC ---------- |
---|
| 20 | CC rhop |
---|
| 21 | CC |
---|
| 22 | CC MODIFICATIONS: |
---|
| 23 | CC -------------- |
---|
| 24 | CC original : 1988 E. Maier-Reimer |
---|
| 25 | CC additions : 1998 O. Aumont |
---|
| 26 | CC modifications : 1999 C. Le Quere |
---|
| 27 | CC modifications : 2004 O. Aumont |
---|
| 28 | CC---------------------------------------------------------------------- |
---|
| 29 | CC parameters and commons |
---|
| 30 | CC ====================== |
---|
| 31 | CDIR$ NOLIST |
---|
| 32 | USE oce_trc |
---|
| 33 | USE trp_trc |
---|
| 34 | USE sms |
---|
| 35 | IMPLICIT NONE |
---|
| 36 | CDIR$ list |
---|
| 37 | CC---------------------------------------------------------------------- |
---|
| 38 | CC local declarations |
---|
| 39 | CC ================== |
---|
| 40 | C |
---|
| 41 | INTEGER ji, jj, jk |
---|
| 42 | REAL tkel, sal, rrr, qtt |
---|
| 43 | REAL pres, tc, cl, cpexp |
---|
| 44 | REAL akb, temzer, cek0, oxy |
---|
| 45 | REAL zsqrt, ztr, zlogt |
---|
| 46 | REAL zqtt, qtt2, sal15 |
---|
| 47 | REAL ckb, ck1, ck2, ckw, ak1, ak2, aksp0 |
---|
| 48 | CC---------------------------------------------------------------------- |
---|
| 49 | CC statement functions |
---|
| 50 | CC =================== |
---|
| 51 | CDIR$ NOLIST |
---|
| 52 | #include "domzgr_substitute.h90" |
---|
| 53 | CDIR$ LIST |
---|
| 54 | C |
---|
| 55 | C* 1. CHEMICAL CONSTANTS - SURFACE LAYER |
---|
| 56 | C --------------------------------------- |
---|
| 57 | temzer = 273.16 |
---|
| 58 | C |
---|
| 59 | C vertical slab |
---|
| 60 | C ============= |
---|
| 61 | C |
---|
| 62 | DO jj = 1,jpj |
---|
| 63 | DO ji = 1,jpi |
---|
| 64 | C |
---|
| 65 | C* 1.1 SET ABSOLUTE TEMPERATURE |
---|
| 66 | C ------------------------------ |
---|
| 67 | C |
---|
| 68 | tkel = tn(ji,jj,1)+temzer |
---|
| 69 | qtt = tkel*0.01 |
---|
| 70 | qtt2=qtt*qtt |
---|
| 71 | sal = sn(ji,jj,1) + (1.-tmask(ji,jj,1))*35. |
---|
| 72 | zqtt=log(qtt) |
---|
| 73 | C |
---|
| 74 | C* 1.2 LN(K0) OF SOLUBILITY OF CO2 (EQ. 12, WEISS, 1974) |
---|
| 75 | C ------------------------------------------------------- |
---|
| 76 | C |
---|
| 77 | cek0 = c00+c01/qtt+c02*zqtt+sal*(c03+c04*qtt+c05*qtt2) |
---|
| 78 | C |
---|
| 79 | C* 1.3 LN(K0) OF SOLUBILITY OF O2 and N2 (EQ. 4, WEISS, 1970) |
---|
| 80 | C ------------------------------------------------------------ |
---|
| 81 | C |
---|
| 82 | oxy = ox0+ox1/qtt+ox2*zqtt+sal*(ox3+ox4*qtt+ox5*qtt2) |
---|
| 83 | C |
---|
| 84 | C* 1.4 SET CHEMICAL CHEMICAL CONSTANTS |
---|
| 85 | C -------------------------------------- |
---|
| 86 | C |
---|
| 87 | chemc(ji,jj,1) = exp(cek0)*1.E-6 |
---|
| 88 | C |
---|
| 89 | C* 1.5 O2 SOLUBILITY IN SEAWATER (WEISS, 1970, CF. EQ. 4) |
---|
| 90 | C --------------------------------------------------------- |
---|
| 91 | C |
---|
| 92 | chemc(ji,jj,3) = exp(oxy)*oxyco |
---|
| 93 | C |
---|
| 94 | ENDDO |
---|
| 95 | END DO |
---|
| 96 | C |
---|
| 97 | C* 2 CHEMICAL CONSTANTS - DEEP OCEAN |
---|
| 98 | C ------------------------------------- |
---|
| 99 | C |
---|
| 100 | DO jk = 1,jpk |
---|
| 101 | C |
---|
| 102 | C* 2.1 APPROX. SEAWATER PRESSURE AT U-POINT DEPTH (BAR) |
---|
| 103 | C ------------------------------------------------------ |
---|
| 104 | C |
---|
| 105 | DO jj=1,jpj |
---|
| 106 | DO ji = 1,jpi |
---|
| 107 | C |
---|
| 108 | C* 2.2 SET [H+] (FIRST GUESS) |
---|
| 109 | C ---------------------------- |
---|
| 110 | C |
---|
| 111 | pres = 1.025e-1*fsdept(ji,jj,jk) |
---|
| 112 | hi(ji,jj,jk) = 1.E-7 |
---|
| 113 | C |
---|
| 114 | C* 2.3 SET ABSOLUTE TEMPERATURE |
---|
| 115 | C ------------------------------ |
---|
| 116 | C |
---|
| 117 | tkel = tn(ji,jj,jk)+temzer |
---|
| 118 | qtt = tkel*0.01 |
---|
| 119 | sal = sn(ji,jj,jk) + (1.-tmask(ji,jj,jk))*35. |
---|
| 120 | zsqrt = sqrt(sal) |
---|
| 121 | sal15 = zsqrt*sal |
---|
| 122 | zlogt = log(tkel) |
---|
| 123 | ztr = 1./tkel |
---|
| 124 | C |
---|
| 125 | C* 2.4 CHLORINITY (WOOSTER ET AL., 1969) |
---|
| 126 | C --------------------------------------- |
---|
| 127 | C |
---|
| 128 | cl = sal*salchl |
---|
| 129 | C |
---|
| 130 | C* 2.5 LN(K0) OF SOLUBILITY OF CO2 (EQ. 12, WEISS, 1974) |
---|
| 131 | C ------------------------------------------------------- |
---|
| 132 | C |
---|
| 133 | cek0 = c00+c01/qtt+c02*log(qtt)+ |
---|
| 134 | & sal*(c03+c04*qtt+c05*qtt*qtt) |
---|
| 135 | C |
---|
| 136 | C COEFFICIENT OCMIP |
---|
| 137 | C ------------------ |
---|
| 138 | C |
---|
| 139 | ckb = (cb0+cb1*zsqrt+cb2*sal+cb3*sal15+cb4*sal*sal)*ztr |
---|
| 140 | $ +(cb5+cb6*zsqrt+cb7*sal)+ |
---|
| 141 | $ (cb8+cb9*zsqrt+cb10*sal)*zlogt+cb11*zsqrt*tkel |
---|
| 142 | ck1 = c10*ztr+c11+c12*zlogt+(c13*ztr+c14)*zsqrt+ |
---|
| 143 | $ c15*sal+c16*sal15+log(1.+c17*sal) |
---|
| 144 | ck2 = c20*ztr+c21+c22*zlogt+(c23*ztr+c24)*zsqrt+c25*sal |
---|
| 145 | $ +c26*sal15+log(1.+c27*sal) |
---|
| 146 | C |
---|
| 147 | C* 2.6 PKW (H2O) (DICKSON AND RILEY, 1979) |
---|
| 148 | C ----------------------------------------- |
---|
| 149 | C |
---|
| 150 | ckw = cw0*ztr+cw1+cw2*zlogt+(cw3*ztr+cw4+cw5*zlogt)* |
---|
| 151 | $ zsqrt+cw6*sal |
---|
| 152 | C |
---|
| 153 | C* 2.7 K1, K2 OF CARBONIC ACID, KB OF BORIC ACID, KW (H2O) (LIT.?) |
---|
| 154 | C ----------------------------------------------------------------- |
---|
| 155 | C |
---|
| 156 | ak1 = exp(ck1) |
---|
| 157 | ak2 = exp(ck2) |
---|
| 158 | akb = exp(ckb) |
---|
| 159 | akw3(ji,jj,jk) = exp(ckw) |
---|
| 160 | C |
---|
| 161 | C*2.8 APPARENT SOLUBILITY PRODUCT K'SP OF CALCITE IN SEAWATER |
---|
| 162 | C (S=27-43, T=2-25 DEG C) AT pres =0 (ATMOSPH. PRESSURE) |
---|
| 163 | C (INGLE, 1800, EQ. 6) |
---|
| 164 | C ------------------------------------------------------------- |
---|
| 165 | C |
---|
| 166 | aksp0 = 1.E-7*(akcc1+akcc2*sal**(1./3.)+akcc3*log(sal) |
---|
| 167 | & +akcc4*tkel*tkel) |
---|
| 168 | C |
---|
| 169 | C* 2.9 FORMULA FOR CPEXP AFTER EDMOND AND GIESKES (1970) |
---|
| 170 | C (REFERENCE TO CULBERSON AND PYTKOQICZ (1968) AS MADE |
---|
| 171 | C IN BROECKER ET AL. (1982) IS INCORRECT; HERE RGAS IS |
---|
| 172 | C TAKEN TENFOLD TO CORRECT FOR THE NOTATION OF pres IN |
---|
| 173 | C DBAR INSTEAD OF BAR AND THE EXPRESSION FOR CPEXP IS |
---|
| 174 | C MULTIPLIED BY LN(10.) TO ALLOW USE OF EXP-FUNCTION |
---|
| 175 | C WITH BASIS E IN THE FORMULA FOR AKSPP (CF. EDMOND |
---|
| 176 | C AND GIESKES (1970), P. 1285 AND P. 1286 (THE SMALL |
---|
| 177 | C FORMULA ON P. 1286 IS RIGHT AND CONSISTENT WITH THE |
---|
| 178 | C SIGN IN PARTIAL MOLAR VOLUME CHANGE AS SHOWN ON |
---|
| 179 | C P. 1285)) |
---|
| 180 | C ----------------------------------------------------------- |
---|
| 181 | C |
---|
| 182 | cpexp = pres /(rgas*tkel) |
---|
| 183 | C |
---|
| 184 | C* 2.10 KB OF BORIC ACID, K1,K2 OF CARBONIC ACID PRESSURE |
---|
| 185 | C CORRECTION AFTER CULBERSON AND PYTKOWICZ (1968) |
---|
| 186 | C (CF. BROECKER ET AL., 1982) |
---|
| 187 | C -------------------------------------------------------- |
---|
| 188 | C |
---|
| 189 | tc = tn(ji,jj,jk) + (1.-tmask(ji,jj,jk))*20. |
---|
| 190 | akb3(ji,jj,jk) = akb*exp(cpexp*(devkb-devkbt*tc)) |
---|
| 191 | ak13(ji,jj,jk) = ak1*exp(cpexp*(devk1-devk1t*tc)) |
---|
| 192 | ak23(ji,jj,jk) = ak2*exp(cpexp*(devk2-devk2t*tc)) |
---|
| 193 | C |
---|
| 194 | C 2.11 APPARENT SOLUBILITY PRODUCT K'SP OF CALCITE (OR ARAGONITE) |
---|
| 195 | C AS FUNCTION OF PRESSURE FOLLWING EDMOND AND GIESKES (1970) |
---|
| 196 | C (P. 1285) AND BERNER (1976) |
---|
| 197 | C ----------------------------------------------------------------- |
---|
| 198 | C |
---|
| 199 | aksp(ji,jj,jk) = aksp0*exp(cpexp*(devks-devkst*tc)) |
---|
| 200 | C |
---|
| 201 | C* 2.12 DENSITY OF SEAWATER AND TOTAL BORATE CONCENTR. [MOLES/L] |
---|
| 202 | C --------------------------------------------------------------- |
---|
| 203 | C |
---|
| 204 | rrr = rhop(ji,jj,jk)/1000. |
---|
| 205 | borat(ji,jj,jk) = bor1*rrr*cl*bor2 |
---|
| 206 | C |
---|
| 207 | C 2.13 Iron and SIO3 saturation concentration from ... |
---|
| 208 | C ---------------------------------------------------- |
---|
| 209 | C |
---|
| 210 | sio3eq(ji,jj,jk)=exp(log(10.)*(6.44-968./tkel))*1E-6 |
---|
| 211 | fekeq(ji,jj,jk)=10**(16.27-1565.7/(273.15+tn(ji,jj,jk))) |
---|
| 212 | C |
---|
| 213 | ENDDO |
---|
| 214 | ENDDO |
---|
| 215 | END DO |
---|
| 216 | C |
---|
| 217 | #endif |
---|
| 218 | C |
---|
| 219 | RETURN |
---|
| 220 | END |
---|