1 | |
---|
2 | CCC $Header$ |
---|
3 | CCC TOP 1.0 , LOCEAN-IPSL (2005) |
---|
4 | C This software is governed by CeCILL licence see modipsl/doc/NEMO_CeCILL.txt |
---|
5 | C --------------------------------------------------------------------------- |
---|
6 | CDIR$ LIST |
---|
7 | SUBROUTINE p4zche |
---|
8 | #if defined key_passivetrc && defined key_trc_pisces |
---|
9 | CCC--------------------------------------------------------------------- |
---|
10 | CCC |
---|
11 | CCC ROUTINE p4zche : PISCES MODEL |
---|
12 | CCC ***************************** |
---|
13 | CCC |
---|
14 | CCC PURPOSE. |
---|
15 | CCC -------- |
---|
16 | CCC *P4ZCHE* : Sea water chemistry computed following OCMIP protocol |
---|
17 | CCC |
---|
18 | CCC |
---|
19 | CC EXTERNALS. |
---|
20 | CC ---------- |
---|
21 | CC rhop |
---|
22 | CC |
---|
23 | CC MODIFICATIONS: |
---|
24 | CC -------------- |
---|
25 | CC original : 1988 E. Maier-Reimer |
---|
26 | CC additions : 1998 O. Aumont |
---|
27 | CC modifications : 1999 C. Le Quere |
---|
28 | CC modifications : 2004 O. Aumont |
---|
29 | CC modifications : 2006 R. Gangsto |
---|
30 | CC---------------------------------------------------------------------- |
---|
31 | CC parameters and commons |
---|
32 | CC ====================== |
---|
33 | CDIR$ nolist |
---|
34 | USE oce_trc |
---|
35 | USE trp_trc |
---|
36 | USE sms |
---|
37 | IMPLICIT NONE |
---|
38 | #include "domzgr_substitute.h90" |
---|
39 | CDIR$ list |
---|
40 | CC---------------------------------------------------------------------- |
---|
41 | CC local declarations |
---|
42 | CC ================== |
---|
43 | C |
---|
44 | INTEGER ji, jj, jk |
---|
45 | REAL tkel, sal, qtt, zbuf1, zbuf2 |
---|
46 | REAL pres, tc, cl, cpexp, cek0, oxy, cpexp2 |
---|
47 | REAL zsqrt, ztr, zlogt, cek1 |
---|
48 | REAL zqtt, qtt2, sal15, zis, zis2, zisqrt |
---|
49 | REAL ckb, ck1, ck2, ckw, ak1, ak2, akb, aksp0, akw |
---|
50 | REAL ckp1, ckp2, ckp3, cksi, akp1, akp2, akp3, aksi |
---|
51 | REAL st, ft, cks, ckf, aks, akf, aksp1 |
---|
52 | |
---|
53 | C |
---|
54 | C* 1. CHEMICAL CONSTANTS - SURFACE LAYER |
---|
55 | C --------------------------------------- |
---|
56 | C |
---|
57 | DO jj = 1,jpj |
---|
58 | DO ji = 1,jpi |
---|
59 | C |
---|
60 | C* 1.1 SET ABSOLUTE TEMPERATURE |
---|
61 | C ------------------------------ |
---|
62 | C |
---|
63 | tkel = tn(ji,jj,1)+273.16 |
---|
64 | qtt = tkel*0.01 |
---|
65 | qtt2=qtt*qtt |
---|
66 | sal = sn(ji,jj,1) + (1.-tmask(ji,jj,1))*35. |
---|
67 | zqtt=log(qtt) |
---|
68 | C |
---|
69 | C* 1.2 LN(K0) OF SOLUBILITY OF CO2 (EQ. 12, WEISS, 1980) |
---|
70 | C AND FOR THE ATMOSPHERE FOR NON IDEAL GAS |
---|
71 | C ------------------------------------------------------- |
---|
72 | C |
---|
73 | cek0 = c00+c01/qtt+c02*zqtt+sal*(c03+c04*qtt+c05*qtt2) |
---|
74 | cek1 = ca0+ca1/qtt+ca2*zqtt+ca3*qtt2+sal*(ca4 |
---|
75 | & +ca5*qtt+ca6*qtt2) |
---|
76 | C |
---|
77 | C* 1.3 LN(K0) OF SOLUBILITY OF O2 and N2 (EQ. 4, WEISS, 1970) |
---|
78 | C ------------------------------------------------------------ |
---|
79 | C |
---|
80 | oxy = ox0+ox1/qtt+ox2*zqtt+sal*(ox3+ox4*qtt+ox5*qtt2) |
---|
81 | C |
---|
82 | C* 1.4 SET SOLUBILITIES OF O2 AND CO2 |
---|
83 | C ----------------------------------- |
---|
84 | C |
---|
85 | chemc(ji,jj,1) = exp(cek0)*1.E-6*rhop(ji,jj,1)/1000. |
---|
86 | chemc(ji,jj,2) = exp(oxy)*oxyco |
---|
87 | chemc(ji,jj,3) = exp(cek1)*1.E-6*rhop(ji,jj,1)/1000. |
---|
88 | C |
---|
89 | ENDDO |
---|
90 | END DO |
---|
91 | C |
---|
92 | C* 2 CHEMICAL CONSTANTS - DEEP OCEAN |
---|
93 | C ------------------------------------- |
---|
94 | C |
---|
95 | DO jk = 1,jpk |
---|
96 | DO jj = 1,jpj |
---|
97 | DO ji = 1,jpi |
---|
98 | C |
---|
99 | C* 2.1 SET PRESSION |
---|
100 | C ----------------- |
---|
101 | C |
---|
102 | pres = 1.025e-1*fsdept(ji,jj,jk) |
---|
103 | C |
---|
104 | C* 2.2 SET ABSOLUTE TEMPERATURE |
---|
105 | C ------------------------------ |
---|
106 | C |
---|
107 | tkel = tn(ji,jj,jk)+273.16 |
---|
108 | qtt = tkel*0.01 |
---|
109 | sal = sn(ji,jj,jk) + (1.-tmask(ji,jj,jk))*35. |
---|
110 | zsqrt = sqrt(sal) |
---|
111 | sal15 = zsqrt*sal |
---|
112 | zlogt = log(tkel) |
---|
113 | ztr = 1./tkel |
---|
114 | zis = 19.924*sal/(1000.-1.005*sal) |
---|
115 | zis2 = zis*zis |
---|
116 | zisqrt = sqrt(zis) |
---|
117 | tc = tn(ji,jj,jk) + (1.-tmask(ji,jj,jk))*20. |
---|
118 | C |
---|
119 | C* 2.3 CHLORINITY (WOOSTER ET AL., 1969) |
---|
120 | C --------------------------------------- |
---|
121 | C |
---|
122 | cl = sal*salchl |
---|
123 | C |
---|
124 | C* 2.4 TOTAL SULFATE CONCENTR. [MOLES/kg soln] |
---|
125 | C -------------------------------------------- |
---|
126 | C |
---|
127 | st = st1*cl*st2 |
---|
128 | C |
---|
129 | C* 2.5 TOTAL FLUORIDE CONCENTR. [MOLES/kg soln] |
---|
130 | C --------------------------------------------- |
---|
131 | C |
---|
132 | ft = ft1*cl*ft2 |
---|
133 | C |
---|
134 | C* 2.6 DISSOCIATION CONSTANT FOR SULFATES |
---|
135 | C on free H scale (Dickson 1990) |
---|
136 | C ------------------------------------------------------- |
---|
137 | C |
---|
138 | cks=exp(ks1*ztr+ks0+ks2*zlogt+(ks3*ztr+ks4+ks5*zlogt) |
---|
139 | & *zisqrt+(ks6*ztr+ks7+ks8*zlogt)*zis+ks9*ztr*zis |
---|
140 | & *zisqrt+ks10*ztr*zis2+log(ks11+ks12*sal)) |
---|
141 | C |
---|
142 | C* 2.7 DISSOCIATION CONSTANT FOR FLUORIDES |
---|
143 | C on free H scale (Dickson and Riley 79) |
---|
144 | C ------------------------------------------------------- |
---|
145 | C |
---|
146 | ckf=exp(kf1*ztr+kf0+kf2*zisqrt+log(kf3+kf4*sal)) |
---|
147 | |
---|
148 | C |
---|
149 | C* 2.4 DISSOCIATION CONSTANT FOR CARBONATE AND BORATE |
---|
150 | C ------------------------------------------------------- |
---|
151 | C |
---|
152 | ckb = (cb0+cb1*zsqrt+cb2*sal+cb3*sal15+cb4*sal*sal)*ztr |
---|
153 | & +(cb5+cb6*zsqrt+cb7*sal)+ |
---|
154 | & (cb8+cb9*zsqrt+cb10*sal)*zlogt+cb11*zsqrt*tkel |
---|
155 | & +log((1.+st/cks+ft/ckf)/(1.+st/cks)) |
---|
156 | ck1 = c10*ztr+c11+c12*zlogt+c13*sal+c14*sal**2 |
---|
157 | ck2 = c20*ztr+c21+c22*sal+c23*sal**2 |
---|
158 | C |
---|
159 | C* 2.5 PKW (H2O) (DICKSON AND RILEY, 1979) |
---|
160 | C ----------------------------------------- |
---|
161 | C |
---|
162 | ckw = cw0*ztr+cw1+cw2*zlogt+(cw3*ztr+cw4+cw5*zlogt)* |
---|
163 | & zsqrt+cw6*sal |
---|
164 | |
---|
165 | C |
---|
166 | C |
---|
167 | C* 2.10 DISSOCIATION CONSTANT FOR PHOSPHATE AND SILICATE (seawater scale) |
---|
168 | C --------------------------------------------------------------------- |
---|
169 | C |
---|
170 | ckp1 = cp10+cp11*ztr+cp12*zlogt+zsqrt*(cp13*ztr |
---|
171 | & +cp14)+sal*(cp15*ztr+cp16) |
---|
172 | ckp2 = cp20+cp21*ztr+cp22*zlogt+zsqrt*(cp23*ztr |
---|
173 | & +cp24)+sal*(cp25*ztr+cp26) |
---|
174 | ckp3 = cp30+cp31*ztr+zsqrt*(cp32*ztr |
---|
175 | & +cp33)+sal*(cp34*ztr+cp35) |
---|
176 | cksi = cs10+cs11*ztr+cs12*zlogt+zisqrt*(cs13*ztr |
---|
177 | & +cs14)+zis*(cs15*ztr+cs16)+zis2*(cs17*ztr |
---|
178 | & +cs18)+log(1.+cs19*sal) |
---|
179 | & +log(cs20+cs21*sal) |
---|
180 | |
---|
181 | C |
---|
182 | C* 2.6 K1, K2 OF CARBONIC ACID, KB OF BORIC ACID, KW (H2O) (LIT.?) |
---|
183 | C ----------------------------------------------------------------- |
---|
184 | C |
---|
185 | ak1 = 10**(ck1) |
---|
186 | ak2 = 10**(ck2) |
---|
187 | akb = exp(ckb) |
---|
188 | akp1 = exp(ckp1) |
---|
189 | akp2 = exp(ckp2) |
---|
190 | akp3 = exp(ckp3) |
---|
191 | aksi = exp(cksi) |
---|
192 | akw = exp(ckw) |
---|
193 | aksp1 = 10**(aksp0) |
---|
194 | aks = exp(cks) |
---|
195 | akf = exp(ckf) |
---|
196 | |
---|
197 | |
---|
198 | C |
---|
199 | C*2.7 APPARENT SOLUBILITY PRODUCT K'SP OF CALCITE IN SEAWATER |
---|
200 | C (S=27-43, T=2-25 DEG C) AT pres =0 (ATMOSPH. PRESSURE) |
---|
201 | C (MUCCI 1983) |
---|
202 | C ------------------------------------------------------------- |
---|
203 | C |
---|
204 | aksp0 = akcc1+akcc2*tkel+akcc3*ztr+akcc4*log10(tkel)+ |
---|
205 | & (akcc5+akcc6*tkel+ |
---|
206 | & akcc7*ztr)*zsqrt+akcc8*sal+akcc9*sal15 |
---|
207 | |
---|
208 | C |
---|
209 | C* 2.8 FORMULA FOR CPEXP AFTER EDMOND AND GIESKES (1970) |
---|
210 | C (REFERENCE TO CULBERSON AND PYTKOQICZ (1968) AS MADE |
---|
211 | C IN BROECKER ET AL. (1982) IS INCORRECT; HERE RGAS IS |
---|
212 | C TAKEN TENFOLD TO CORRECT FOR THE NOTATION OF pres IN |
---|
213 | C DBAR INSTEAD OF BAR AND THE EXPRESSION FOR CPEXP IS |
---|
214 | C MULTIPLIED BY LN(10.) TO ALLOW USE OF EXP-FUNCTION |
---|
215 | C WITH BASIS E IN THE FORMULA FOR AKSPP (CF. EDMOND |
---|
216 | C AND GIESKES (1970), P. 1285 AND P. 1286 (THE SMALL |
---|
217 | C FORMULA ON P. 1286 IS RIGHT AND CONSISTENT WITH THE |
---|
218 | C SIGN IN PARTIAL MOLAR VOLUME CHANGE AS SHOWN ON |
---|
219 | C P. 1285)) |
---|
220 | C ----------------------------------------------------------- |
---|
221 | C |
---|
222 | cpexp = pres /(rgas*tkel) |
---|
223 | cpexp2 = pres * pres/(rgas*tkel) |
---|
224 | C |
---|
225 | C* 2.9 KB OF BORIC ACID, K1,K2 OF CARBONIC ACID PRESSURE |
---|
226 | C CORRECTION AFTER CULBERSON AND PYTKOWICZ (1968) |
---|
227 | C (CF. BROECKER ET AL., 1982) |
---|
228 | C -------------------------------------------------------- |
---|
229 | C |
---|
230 | zbuf1 = -(devk1(3)+devk2(3)*tc+devk3(3)*tc*tc) |
---|
231 | zbuf2 = 0.5*(devk4(3)+devk5(3)*tc) |
---|
232 | akb3(ji,jj,jk) = akb*exp(zbuf1*cpexp+zbuf2*cpexp2) |
---|
233 | |
---|
234 | zbuf1 = -(devk1(1)+devk2(1)*tc+devk3(1)*tc*tc) |
---|
235 | zbuf2 = 0.5*(devk4(1)+devk5(1)*tc) |
---|
236 | ak13(ji,jj,jk) = ak1*exp(zbuf1*cpexp+zbuf2*cpexp2) |
---|
237 | |
---|
238 | zbuf1 = -(devk1(2)+devk2(2)*tc+devk3(2)*tc*tc) |
---|
239 | zbuf2 = 0.5*(devk4(2)+devk5(2)*tc) |
---|
240 | ak23(ji,jj,jk) = ak2*exp(zbuf1*cpexp+zbuf2*cpexp2) |
---|
241 | |
---|
242 | zbuf1 = -(devk1(4)+devk2(4)*tc+devk3(4)*tc*tc) |
---|
243 | zbuf2 = 0.5*(devk4(4)+devk5(4)*tc) |
---|
244 | akp13(ji,jj,jk) = akp1*exp(zbuf1*cpexp+zbuf2*cpexp2) |
---|
245 | |
---|
246 | zbuf1 = -(devk1(5)+devk2(5)*tc+devk3(5)*tc*tc) |
---|
247 | zbuf2 = 0.5*(devk4(5)+devk5(5)*tc) |
---|
248 | akp23(ji,jj,jk) = akp2*exp(zbuf1*cpexp+zbuf2*cpexp2) |
---|
249 | |
---|
250 | zbuf1 = -(devk1(6)+devk2(6)*tc+devk3(6)*tc*tc) |
---|
251 | zbuf2 = 0.5*(devk4(6)+devk5(6)*tc) |
---|
252 | akp33(ji,jj,jk) = akp3*exp(zbuf1*cpexp+zbuf2*cpexp2) |
---|
253 | |
---|
254 | zbuf1 = -(devk1(7)+devk2(7)*tc+devk3(7)*tc*tc) |
---|
255 | zbuf2 = 0.5*(devk4(7)+devk5(7)*tc) |
---|
256 | akw3(ji,jj,jk) = akw*exp(zbuf1*cpexp+zbuf2*cpexp2) |
---|
257 | |
---|
258 | C Ksi |
---|
259 | C aksi3(ji,jj,jk) = aksi |
---|
260 | C |
---|
261 | C Or using coefficient of borates (cf millero 95+ corrected version html doc co2sys) |
---|
262 | C "deltaVsi and deltaKsi have been estimated from the value of boric acid" |
---|
263 | C |
---|
264 | zbuf1 = -(devk1(3)+devk2(3)*tc+devk3(3)*tc*tc) |
---|
265 | zbuf2 = 0.5*(devk4(3)+devk5(3)*tc) |
---|
266 | aksi3(ji,jj,jk) = aksi*exp(zbuf1*cpexp+zbuf2*cpexp2) |
---|
267 | |
---|
268 | C |
---|
269 | C |
---|
270 | C* 2.15 APPARENT SOLUBILITY PRODUCT K'SP OF CALCITE |
---|
271 | C AS FUNCTION OF PRESSURE FOLLOWING MILLERO |
---|
272 | C (P. 1285) AND BERNER (1976) |
---|
273 | C ------------------------------------------------- |
---|
274 | |
---|
275 | zbuf1 = -(devk1(8)+devk2(8)*tc+devk3(8)*tc*tc) |
---|
276 | zbuf2 = 0.5*(devk4(8)+devk5(8)*tc) |
---|
277 | aksp(ji,jj,jk) = aksp1*exp(zbuf1*cpexp+zbuf2*cpexp2) |
---|
278 | |
---|
279 | C Pressure correction for sulfate and fluoride |
---|
280 | C |
---|
281 | zbuf1 = -(devk1(9)+devk2(9)*tc+devk3(9)*tc*tc) |
---|
282 | zbuf2 = 0.5*(devk4(9)+devk5(9)*tc) |
---|
283 | aks3(ji,jj,jk) = aks*exp(zbuf1*cpexp+zbuf2*cpexp2) |
---|
284 | |
---|
285 | zbuf1 = -(devk1(10)+devk2(10)*tc+devk3(10)*tc*tc) |
---|
286 | zbuf2 = 0.5*(devk4(10)+devk5(10)*tc) |
---|
287 | akf3(ji,jj,jk) = akf*exp(zbuf1*cpexp+zbuf2*cpexp2) |
---|
288 | |
---|
289 | |
---|
290 | C |
---|
291 | C* 2.11 TOTAL BORATE CONCENTR. [MOLES/L] |
---|
292 | C -------------------------------------- |
---|
293 | C |
---|
294 | borat(ji,jj,jk) = bor1*cl*bor2 |
---|
295 | C |
---|
296 | C 2.12 Iron and SIO3 saturation concentration from ... |
---|
297 | C ---------------------------------------------------- |
---|
298 | C |
---|
299 | sio3eq(ji,jj,jk)=exp(log(10.)*(6.44-968./tkel))*1E-6 |
---|
300 | fekeq(ji,jj,jk)=10**(17.27-1565.7/(273.15+tc)) |
---|
301 | C |
---|
302 | ENDDO |
---|
303 | ENDDO |
---|
304 | END DO |
---|
305 | C |
---|
306 | #endif |
---|
307 | C |
---|
308 | RETURN |
---|
309 | END |
---|