1 | CDIR$ LIST |
---|
2 | SUBROUTINE p4zsed |
---|
3 | #if defined key_passivetrc && defined key_trc_pisces |
---|
4 | CCC--------------------------------------------------------------------- |
---|
5 | CCC |
---|
6 | CCC ROUTINE p4zsed : PISCES MODEL |
---|
7 | CCC ***************************** |
---|
8 | CCC |
---|
9 | CCC PURPOSE : |
---|
10 | CCC --------- |
---|
11 | CCC Compute loss of organic matter in the sediments. This |
---|
12 | CCC is by no way a sediment model. The loss is simply |
---|
13 | CCC computed to balance the inout from rivers and dust |
---|
14 | CCC |
---|
15 | CC INPUT : |
---|
16 | CC ----- |
---|
17 | CC common |
---|
18 | CC all the common defined in opa |
---|
19 | CC |
---|
20 | CC |
---|
21 | CC OUTPUT : : no |
---|
22 | CC ------ |
---|
23 | CC |
---|
24 | CC EXTERNAL : |
---|
25 | CC -------- |
---|
26 | CC None |
---|
27 | CC |
---|
28 | CC MODIFICATIONS: |
---|
29 | CC -------------- |
---|
30 | CC original : 2004 - O. Aumont |
---|
31 | CC---------------------------------------------------------------------- |
---|
32 | CC parameters and commons |
---|
33 | CC ====================== |
---|
34 | USE oce_trc |
---|
35 | USE trp_trc |
---|
36 | USE sms |
---|
37 | IMPLICIT NONE |
---|
38 | CC---------------------------------------------------------------------- |
---|
39 | CC local declarations |
---|
40 | CC ================== |
---|
41 | INTEGER ji, jj, jk, ikt |
---|
42 | REAL sumsedsi,sumsedpo4,sumsedcal |
---|
43 | REAL xconctmp,denitot,nitrpottot,nitrpot(jpi,jpj) |
---|
44 | |
---|
45 | CC |
---|
46 | CC---------------------------------------------------------------------- |
---|
47 | CC statement functions |
---|
48 | CC =================== |
---|
49 | CDIR$ NOLIST |
---|
50 | #include "domzgr_substitute.h90" |
---|
51 | CDIR$ LIST |
---|
52 | C |
---|
53 | C |
---|
54 | C Initialisation of variables used to compute Sinking Speed |
---|
55 | C --------------------------------------------------------- |
---|
56 | C |
---|
57 | sumsedsi = 0. |
---|
58 | sumsedpo4 = 0. |
---|
59 | sumsedcal = 0. |
---|
60 | C |
---|
61 | C Loss of biogenic silicon, Caco3 organic carbon in the sediments. |
---|
62 | C First, the total loss is computed. |
---|
63 | C The factor for calcite comes from the alkalinity effect |
---|
64 | C ------------------------------------------------------------- |
---|
65 | C |
---|
66 | DO jj=2,jpjm1 |
---|
67 | DO ji=2,jpim1 |
---|
68 | ikt=max(mbathy(ji,jj)-1,1) |
---|
69 | sumsedsi=sumsedsi+trn(ji,jj,ikt,jpdsi)*e1t(ji,jj) |
---|
70 | & *e2t(ji,jj)*wsbio4(ji,jj,ikt)/rjjss |
---|
71 | sumsedcal=sumsedcal+trn(ji,jj,ikt,jpcal)*e1t(ji,jj) |
---|
72 | & *e2t(ji,jj)*wsbio4(ji,jj,ikt)*2./rjjss |
---|
73 | sumsedpo4=sumsedpo4+(trn(ji,jj,ikt,jpgoc)*wsbio4(ji,jj,ikt) |
---|
74 | & +trn(ji,jj,ikt,jppoc)*wsbio3(ji,jj,ikt))/rjjss |
---|
75 | & *e1t(ji,jj)*e2t(ji,jj) |
---|
76 | END DO |
---|
77 | END DO |
---|
78 | |
---|
79 | C |
---|
80 | C Then this loss is scaled at each bottom grid cell for |
---|
81 | C equilibrating the total budget of silica in the ocean. |
---|
82 | C Thus, the amount of silica lost in the sediments equal |
---|
83 | C the supply at the surface (dust+rivers) |
---|
84 | C ------------------------------------------------------ |
---|
85 | C |
---|
86 | DO jj=1,jpj |
---|
87 | DO ji=1,jpi |
---|
88 | ikt=max(mbathy(ji,jj)-1,1) |
---|
89 | xconctmp=trn(ji,jj,ikt,jpdsi) |
---|
90 | trn(ji,jj,ikt,jpdsi)=trn(ji,jj,ikt,jpdsi) |
---|
91 | & -xconctmp*wsbio4(ji,jj,ikt) |
---|
92 | & *rfact2/rjjss/fse3t(ji,jj,ikt) |
---|
93 | trn(ji,jj,ikt,jpsil)=trn(ji,jj,ikt,jpsil) |
---|
94 | & +xconctmp*wsbio4(ji,jj,ikt) |
---|
95 | & *rfact2/rjjss/fse3t(ji,jj,ikt)*(1.-(sumdepsi+rivalkinput |
---|
96 | & /raass/6.)/sumsedsi) |
---|
97 | END DO |
---|
98 | END DO |
---|
99 | |
---|
100 | DO jj=1,jpj |
---|
101 | DO ji=1,jpi |
---|
102 | ikt=max(mbathy(ji,jj),1) |
---|
103 | xconctmp=trn(ji,jj,ikt,jpcal) |
---|
104 | trn(ji,jj,ikt,jpcal)=trn(ji,jj,ikt,jpcal) |
---|
105 | & -xconctmp*wsbio4(ji,jj,ikt) |
---|
106 | & *rfact2/rjjss/fse3t(ji,jj,ikt) |
---|
107 | trn(ji,jj,ikt,jptal)=trn(ji,jj,ikt,jptal) |
---|
108 | & +xconctmp*wsbio4(ji,jj,ikt) |
---|
109 | & *rfact2/rjjss/fse3t(ji,jj,ikt)*(1.-(rivalkinput |
---|
110 | & /raass)/sumsedcal)*2. |
---|
111 | trn(ji,jj,ikt,jpdic)=trn(ji,jj,ikt,jpdic) |
---|
112 | & +xconctmp*wsbio4(ji,jj,ikt) |
---|
113 | & *rfact2/rjjss/fse3t(ji,jj,ikt)*(1.-(rivalkinput |
---|
114 | & /raass)/sumsedcal) |
---|
115 | END DO |
---|
116 | END DO |
---|
117 | |
---|
118 | DO jj=1,jpj |
---|
119 | DO ji=1,jpi |
---|
120 | ikt=max(mbathy(ji,jj),1) |
---|
121 | trn(ji,jj,ikt,jpgoc)=trn(ji,jj,ikt,jpgoc) |
---|
122 | & -trn(ji,jj,ikt,jpgoc)*wsbio4(ji,jj,ikt)*rfact2 |
---|
123 | & /fse3t(ji,jj,ikt)/rjjss*rivpo4input/(raass*sumsedpo4) |
---|
124 | trn(ji,jj,ikt,jppoc)=trn(ji,jj,ikt,jppoc) |
---|
125 | & -trn(ji,jj,ikt,jppoc)*wsbio3(ji,jj,ikt)*rfact2 |
---|
126 | & /fse3t(ji,jj,ikt)/rjjss*rivpo4input/(raass*sumsedpo4) |
---|
127 | trn(ji,jj,ikt,jpbfe)=trn(ji,jj,ikt,jpbfe) |
---|
128 | & -trn(ji,jj,ikt,jpbfe)*wsbio4(ji,jj,ikt)*rfact2 |
---|
129 | & /fse3t(ji,jj,ikt)/rjjss*rivpo4input/(raass*sumsedpo4) |
---|
130 | trn(ji,jj,ikt,jpsfe)=trn(ji,jj,ikt,jpsfe) |
---|
131 | & -trn(ji,jj,ikt,jpsfe)*wsbio3(ji,jj,ikt)*rfact2 |
---|
132 | & /fse3t(ji,jj,ikt)/rjjss*rivpo4input/(raass*sumsedpo4) |
---|
133 | END DO |
---|
134 | END DO |
---|
135 | |
---|
136 | C |
---|
137 | C Nitrogen fixation (simple parameterization). The total gain |
---|
138 | C from nitrogen fixation is scaled to balance the loss by |
---|
139 | C denitrification |
---|
140 | C ------------------------------------------------------------- |
---|
141 | C |
---|
142 | denitot=0. |
---|
143 | DO jk=1,jpk-1 |
---|
144 | DO jj=2,jpj-1 |
---|
145 | DO ji=2,jpi-1 |
---|
146 | denitot=denitot+denitr(ji,jj,jk)*rdenit*e1t(ji,jj)*e2t(ji,jj) |
---|
147 | & *fse3t(ji,jj,jk)*tmask(ji,jj,jk) |
---|
148 | END DO |
---|
149 | END DO |
---|
150 | END DO |
---|
151 | C |
---|
152 | C Potential nitrogen fication dependant on temperature |
---|
153 | C and iron |
---|
154 | C ---------------------------------------------------- |
---|
155 | C |
---|
156 | nitrpot(:,:)= 0. |
---|
157 | nitrpottot=0. |
---|
158 | DO jj=2,jpj-1 |
---|
159 | DO ji=2,jpi-1 |
---|
160 | nitrpot(ji,jj)=prmax(ji,jj,1)*max(0.,(0.1*tn(ji,jj,1) |
---|
161 | & -2.))*conc0/(trn(ji,jj,1,jpno3)+conc0)*rfact2 |
---|
162 | & *trn(ji,jj,1,jpfer)/(conc3+trn(ji,jj,1,jpfer)) |
---|
163 | & *trn(ji,jj,1,jppo4)/(conc0+trn(ji,jj,1,jppo4)) |
---|
164 | nitrpottot=nitrpottot+nitrpot(ji,jj)*e1t(ji,jj) |
---|
165 | & *e2t(ji,jj)*tmask(ji,jj,1)*fse3t(ji,jj,1) |
---|
166 | END DO |
---|
167 | END DO |
---|
168 | C |
---|
169 | C Nitrogen change due to nitrogen fixation |
---|
170 | C ---------------------------------------- |
---|
171 | C |
---|
172 | |
---|
173 | |
---|
174 | DO jj=1,jpj |
---|
175 | DO ji=1,jpi |
---|
176 | trn(ji,jj,1,jpnh4)=trn(ji,jj,1,jpnh4)+nitrpot(ji,jj) |
---|
177 | & *(denitot-rivnitinput/raass*rfact2)/(nitrpottot+rtrn) |
---|
178 | trn(ji,jj,1,jpoxy)=trn(ji,jj,1,jpoxy)+nitrpot(ji,jj) |
---|
179 | & *(denitot-rivnitinput/raass*rfact2)/(nitrpottot+rtrn) |
---|
180 | & *o2nit |
---|
181 | END DO |
---|
182 | END DO |
---|
183 | |
---|
184 | |
---|
185 | C |
---|
186 | # if defined key_trc_diaadd |
---|
187 | DO jj = 1,jpj |
---|
188 | DO ji = 1,jpi |
---|
189 | trc2d(ji,jj,13) = nitrpot(ji,jj) |
---|
190 | & *(denitot-rivnitinput/raass*rfact2)/(nitrpottot+rtrn) |
---|
191 | & /rfact2*fse3t(ji,jj,1) |
---|
192 | END DO |
---|
193 | END DO |
---|
194 | # endif |
---|
195 | C |
---|
196 | #endif |
---|
197 | RETURN |
---|
198 | END |
---|
199 | |
---|