/[MITgcm]/MITgcm_contrib/darwin2/pkg/monod/monod_init_fixed.F
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Revision 1.7 - (show annotations) (download)
Thu Jul 26 18:01:22 2012 UTC (13 years ago) by stephd
Branch: MAIN
Changes since 1.6: +6 -3 lines
o bug fix, so denitrification (and remineralization) will not happen when
  NO3 below a critical value (NO3crit)

1 C $Header: /u/gcmpack/MITgcm_contrib/darwin2/pkg/monod/monod_init_fixed.F,v 1.6 2012/07/24 16:01:56 stephd Exp $
2 C $Name: $
3
4 #include "CPP_OPTIONS.h"
5 #include "PTRACERS_OPTIONS.h"
6 #include "DARWIN_OPTIONS.h"
7
8 #ifdef ALLOW_PTRACERS
9 #ifdef ALLOW_MONOD
10
11 c===============================================================================
12 C===============================================================================
13 CStartofinterface
14 SUBROUTINE MONOD_INIT_FIXED(myThid)
15 C =============== Global data ==========================================
16 C === Global variables ===
17 implicit none
18 #include "SIZE.h"
19 #include "EEPARAMS.h"
20 #include "PARAMS.h"
21 #include "GRID.h"
22 #include "DYNVARS.h"
23 #include "GCHEM.h"
24 #include "DARWIN_PARAMS.h"
25 #include "MONOD_SIZE.h"
26 #include "MONOD.h"
27 #include "DARWIN_FLUX.h"
28
29 INTEGER myThid
30 C============== Local variables ============================================
31 C msgBuf - Informational/error meesage buffer
32 CHARACTER*(MAX_LEN_MBUF) msgBuf
33 _RL pday
34 INTEGER i,j,k,bi,bj,nz
35 INTEGER tmp
36 INTEGER prec
37 CHARACTER*(MAX_LEN_MBUF) fn
38 C /--------------------------------------------------------------\
39 C | initialise common block biochemical parameters |
40 C \--------------------------------------------------------------/
41
42 WRITE(msgBuf,'(A)')
43 &'// ======================================================='
44 CALL PRINT_MESSAGE( msgBuf, standardMessageUnit,
45 & SQUEEZE_RIGHT, myThid )
46 WRITE(msgBuf,'(A)') '// Darwin loading parameters'
47 CALL PRINT_MESSAGE( msgBuf, standardMessageUnit,
48 & SQUEEZE_RIGHT, myThid )
49 WRITE(msgBuf,'(A)')
50 &'// ======================================================='
51 CALL PRINT_MESSAGE( msgBuf, standardMessageUnit,
52 & SQUEEZE_RIGHT, myThid )
53
54
55 c ANNA set fixed params for WAVEBANDS
56 #ifdef WAVEBANDS
57 call wavebands_init_fixed(myThid)
58 #endif
59
60 c c define 1 day in seconds
61 pday = 86400.0 _d 0
62
63
64 c attenuation coefficients
65 c ANNA only if not wavebands
66 #ifndef WAVEBANDS
67 k0= 4. _d -2 !atten coefficient water(m^-1)
68 #ifdef GEIDER
69 kc= 4. _d -2 !atten coefficient chl ((mmol chl/m3)-1)
70 #else
71 kc= 4. _d -2*16. _d 0*1. _d 0 !atten coefficient phy((uM m)-1)
72 #endif
73 #endif
74 c ANNA endif
75
76
77 c par parameters
78 parfrac= 0.4 _d 0 !fraction Qsw that is PAR
79 parconv= 1. _d 0/0.2174 _d 0 !conversion from W/m2 to uEin/m2/s
80 c for chl
81 chlpmax=40. _d 0 ! mg Chl/mmolP
82 chlpmin=16. _d 0 ! mg Chl/mmolP
83 istar=90. _d 0 ! w/m2
84 c iron related
85 alpfe= 0.04 _d 0 !solubility of Fe dust
86 scav= 0.4 _d 0/(360. _d 0*86400. _d 0) !iron chem scavenging rate (s-1)
87 ligand_tot=1. _d -3 !total ligand (uM)
88 ligand_stab=2. _d 5 !ligand stability rate ratio
89 freefemax = .4 _d -3 ! max free fe
90
91 #ifdef IRON_SED_SOURCE
92 c iron sediment source
93 depthfesed=1000.0 _d 0 !depth above which to add sediment source
94 fesedflux =1.0 _d 0 * 1.0 _d -3 / (86400.0 _d 0) !iron flux (mmol/m2/s)
95 fesedflux_pcm =0.68 _d 0 * 1.0 _d -3 !iron flux (mmol/m3/s) per
96 c mmol POC/m3/s
97 #endif
98 #ifdef PART_SCAV
99 scav_rat=0.005 _d 0 /(86400.0 _d 0)
100 scav_inter=0.079 _d 0
101 scav_exp=0.58 _d 0
102 #endif
103
104 c depth for denitrification to start
105 depthdenit=185.0 _d 0
106
107 c critical oxygen for O2/NO3 remineralization
108 O2crit = 6.0 _d 0 !(Lipschultz et al 1990, DSR 37, 1513-1541)
109 c ratio of n to p in denitrification process
110 denit_np = 120.0 _d 0
111 c ratio no3 used relative to all n in denitrification process
112 denit_no3 = 104.0 _d 0
113 c critical nitrate below which no denit (or remin) happens
114 no3crit = 1. _d -2
115 c
116 c oxidation rates for ammonium and nitrite
117 c i.e. Knita ... NH4 -> NO2
118 c i.e. Knitb ... NO2 -> NO3
119 Knita = 1.0 _d 0/(.50 _d 0*pday)
120 Knitb = 1.0 _d 0/(10.0 _d 0*pday)
121 c critical light level (muEin/m2/s) after which oxidation starts
122 PAR0 = 10. _d 0
123 c
124 #ifndef GEIDER
125 c set growth days ...small or big organism?
126 Smallgrow = .7 _d 0
127 Biggrow = .4 _d 0
128 Smallgrowrange = 0. _d 0
129 Biggrowrange = 0. _d 0
130 diaz_growfac = 2. _d 0
131 #endif
132 c set mort days ...small or big organism?
133 Smallmort = 10. _d 0
134 Bigmort = 10. _d 0
135 Smallmortrange = 0. _d 0
136 Bigmortrange = 0. _d 0
137 c set export fraction ...small or big organism?
138 Smallexport = 0.2 _d 0
139 Bigexport = 0.5 _d 0
140 c set sinking rates (m/s)... small or big organism?
141 SmallSink = 0.0 _d 0/pday
142 BigSink = 0.5 _d 0/pday !0.5 _d 0/pday
143 c set parameters for light function for phyto growth
144 #ifndef GEIDER
145 smallksatpar = 0.12 _d 0 ! 0.8 _d 0
146 smallksatparstd = 0.20 _d 0 ! 0.3 _d 0
147 smallkinhib = 6.0 _d 0 ! 2.0 _d 0
148 smallkinhibstd = 0.10 _d 0 ! 0.5 _d 0
149 Bigksatpar = 0.12 _d 0 ! 0.35 _d 0
150 Bigksatparstd = 0.06 _d 0 ! 0.1 _d 0
151 Bigkinhib = 1.0 _d 0 ! 0.5 _d 0
152 Bigkinhibstd = 0.05 _d 0 ! 0.1 _d 0
153 #endif
154 #ifdef GEIDER
155 c for Pcm -- should be growth rates, but using old variables
156 c note these are in terms of days - converted to 1/s later
157 Smallgrow = .7 _d 0
158 Biggrow = .4 _d 0
159 Smallgrowrange = 0. _d 0
160 Biggrowrange = 0. _d 0
161 diaz_growfac = 2. _d 0
162 c
163 smallchl2cmax = 0.2 _d 0 !mg Chl (mmol C)
164 smallchl2cmaxrange = 0.3 _d 0 !mg Chl (mmol C)
165 Bigchl2cmax = 0.5 _d 0 !mg Chl (mmol C)
166 Bigchl2cmaxrange = 0.3 _d 0 !mg Chl (mmol C)
167
168 c ANNA_Q units for alpha are same as expected: mmol C (mg chla)-1 (uEin)-1 (m)2
169 c smallalphachl = 1. _d -6 !mmol C (uEin/m-2)-1 (mg Chl)-1
170 c smallalphachlrange = 1. _d -6 !mmol C (uEin/m-2)-1 (mg Chl)-1
171 c Bigalphachl = 6. _d -7 !mmol C (uEin/m-2)-1 (mg Chl)-1
172 c Bigalphachlrange = 4. _d -7 !mmol C (uEin/m-2)-1 (mg Chl)-1
173 c ANNA mQyield vals are from alphachl / aphy_chl which for now is 0.02
174 c ANNA ranges for mQyield are same as alphachl but reduced by factor 100
175 smallmQyield = 5. _d -5 !mmol C (uEin)-1
176 smallmQyieldrange = 1. _d -4 !mmol C (uEin)-1
177 BigmQyield = 3. _d -5 !mmol C (uEin)-1
178 BigmQyieldrange = 4. _d -5 !mmol C (uEin)-1
179
180 c ANNA value of aphy_chl_ave = 0.02 - its the mean of all spectras used as input data
181 aphy_chl_ave = 0.02 _d 0 !m2 (mg chla)-1 (ie. x chla gives absorption m-1)
182
183 c inhib for Prochl?
184 C inhibcoef_geid_val = 1.2 _d 0 !DUMMY VAL
185 inhibcoef_geid_val = 0 _d 0 !DUMMY VAL
186 #ifdef DYNAMIC_CHL
187 acclimtimescl = 1./(60. _d 0 *60. _d 0 *24. _d 0 * 20. _d 0)
188 #endif
189 #endif
190 c
191
192 c set temperature function
193 tempcoeff1 = 1. _d 0/3. _d 0
194 tempcoeff2_small = 0.001 _d 0
195 tempcoeff2_big = 0.0003 _d 0
196 tempcoeff3 = 1.04 _d 0
197 tempmax = 30. _d 0 ! 32. _d 0
198 temprange = 32. _d 0 ! 30. _d 0
199 tempnorm = 0.3 _d 0 ! 1. _d 0
200 tempdecay = 4. _d 0
201 c set phosphate half stauration constants .. small or big organism
202 SmallPsat=0.015 _d 0
203 BigPsat=0.035 _d 0
204 ProcPsat=0.01 _d 0
205 UniDzPsat=0.012 _d 0
206 SmallPsatrange=0.02 _d 0
207 BigPsatrange=0.02 _d 0
208 ProcPsatrange=0.005 _d 0
209 UniDzPsatrange=0.02 _d 0
210 c set NH4/NO2 frac, so that NH4/NO2 can be preferred nitrogen source
211 ksatNH4fac=.50 _d 0
212 ksatNO2fac=1.0 _d 0
213 c set prochl lower half-sat (used only for mutants)
214 prochlPsat=.85 _d 0
215 c ammonia and nitrite inhibition
216 sig1 = 4.6 _d 0
217 sig2 = 4.6 _d 0
218 sig3 = 4.6 _d 0
219 ngrowfac = 1. _d 0
220 ilight = 2. _d 0
221 c set si half sat
222 val_ksatsi=1. _d 0
223 c set nutrient ratios for phyto
224 val_R_SiP_diatom=16.0 _d 0 ! 32 for Fanny's runs
225 val_R_NP=16.0 _d 0
226 val_RFeP=1.0 _d -3
227 val_R_NP_diaz=40.0 _d 0
228 val_RFeP_diaz=30.0 _d 0 * val_RFeP
229 val_R_PC=120.0 _d 0
230 val_R_PICPOC=0.8 _d 0
231 #ifdef OLD_GRAZE
232 c grazing hlaf saturation
233 kgrazesat = 0.1 _d 0
234 c set grazing rates .. small or big organism?
235 GrazeFast = 1.0 _d 0/(5.0 _d 0*pday)
236 GrazeSlow = 1.0 _d 0/(30.0 _d 0*pday)
237 c set grazing effeciency
238 GrazeEffsmall=0.6 _d 0
239 GrazeEffbig =0.2 _d 0
240 c set grazing of diatom factor
241 diatomgraz = 0.8 _d 0
242 coccograz = 0.7 _d 0
243 olargegraz = 0.9 _d 0
244 #else
245 c grazing hlaf saturation
246 c kgrazesat = 0.1 _d 0
247 kgrazesat = 0.1 _d 0
248 c phygrazmin = 1 _d -5
249 phygrazmin = 1 _d -10
250 c set grazing rates .. small or big organism?
251 c GrazeFast = 1.0 _d 0/(5.0 _d 0*pday)
252 GrazeFast = 1.0 _d 0/(2.0 _d 0*pday)
253 c GrazeSlow = 1.0 _d 0/(30.0 _d 0*pday)
254 GrazeSlow = 1.0 _d 0/(7.0 _d 0*pday)
255 c set grazing effeciency
256 GrazeEfflow= 0.2 _d 0
257 GrazeEffmod= 0.5 _d 0
258 GrazeEffhi = 0.7 _d 0
259 c set palatibility
260 palathi = 1.0 _d 0
261 palatlo = 0.2 _d 0
262 c set palatibilty diatom factor
263 diatomgraz = 0.7 _d 0
264 coccograz = 0.6 _d 0
265 olargegraz = 1.0 _d 0
266 c set faction graz to POM
267 ExGrazfracbig = 0.8 _d 0
268 ExGrazfracsmall = 0.8 _d 0
269 c grazing exponential 1= holling 2, 2=holling 3
270 hollexp=1.0 _d 0
271 #endif
272 c set zoo mortality
273 ZoomortSmall = 1.0 _d 0/(30.0 _d 0*pday)
274 ZoomortBig = 1.0 _d 0/(30.0 _d 0*pday)
275 ZoomortSmall2 = 0. _d 0
276 ZoomortBig2 = 0. _d 0
277 c set zoo exportfrac
278 ZooexfacSmall = 0.2 _d 0
279 ZooexfacBig = 0.7 _d 0
280 c minimum phyto (below which grazing and mortality doesn't happen)
281 c phymin = 1 _d -10
282 c phymin = 1 _d -50
283 phymin = 1 _d -20
284 c DOM remin rates
285 Kdop = 1.0 _d 0/(100.0 _d 0*pday)
286 Kdon = 1.0 _d 0/(100.0 _d 0*pday)
287 KdoFe = 1.0 _d 0/(100.0 _d 0*pday)
288 c Particulate detritus remin rates
289 c z* = wx_sink/Kremin_X
290 c for e-folding length scale, z* = 300 m
291 c choose Kremin_X = 1/30 day-1, wx_sink = 10 m day-1
292 Kpremin_P = 1.0 _d 0/(50.0 _d 0*pday)
293 Kpremin_N = Kpremin_P
294 Kpremin_Fe = Kpremin_P
295 Kpremin_Si = 1.0 _d 0/(300.0 _d 0*pday)
296 c sinking rate for particulate matter (m/s)
297 wp_sink = 10.0 _d 0/pday
298 wn_sink = wp_sink
299 wfe_sink = wp_sink
300 wsi_sink = wp_sink
301
302 #ifdef ALLOW_CARBON
303 R_OP = 170 _d 0
304 Kdoc = 1.0 _d 0/(100.0 _d 0*pday)
305 Kpremin_C = 1.0 _d 0/(50.0 _d 0*pday)
306 Kdissc = 1.0 _d 0/(300.0 _d 0*pday)
307 wc_sink = wp_sink
308 wpic_sink = 15.0 _d 0/pday
309 permil = 1. _d 0 / 1024.5 _d 0
310 Pa2Atm = 1.01325 _d 5
311 #endif
312
313 #ifdef ALLOW_CDOM
314 fraccdom=2. _d 0 / 100. _d 0
315 cdomdegrd= 1. _d 0 / (200 _d 0 *pday)
316 cdombleach = 1. _d 0 / (15 _d 0 *pday)
317 PARcdom = 20. _d 0
318 rnp_cdom = 16. _d 0
319 rfep_cdom = 1. _d -3
320 rcp_cdom = 120. _d 0
321 cdomcoeff = .1 _d -1 / 1.d -4
322 #endif
323
324 C make sure we have reserved enough space in Ptracers
325 IF ( nCompZooMax .LT. 4 ) THEN
326 WRITE(msgBuf,'(A,A,I3)')
327 & 'MONOD_INIT_FIXED: ERROR: 4 zooplankton components, but ',
328 & 'nCompZooMax = ', nCompZooMax
329 CALL PRINT_ERROR( msgBuf , 1)
330 STOP 'ABNORMAL END: S/R MONOD_INIT_FIXED'
331 ENDIF
332 DO nz = 1,nzmax
333 iZooP (nz) = iZoo + (nz-1)*strideTypeZoo
334 #ifdef ONLY_P_CYCLE
335 iZooN (nz) = nptot
336 iZooFe(nz) = nptot
337 iZooSi(nz) = nptot
338 #else
339 iZooN (nz) = iZoo + 1*strideCompZoo + (nz-1)*strideTypeZoo
340 iZooFe(nz) = iZoo + 2*strideCompZoo + (nz-1)*strideTypeZoo
341 iZooSi(nz) = iZoo + 3*strideCompZoo + (nz-1)*strideTypeZoo
342 #endif
343 ENDDO
344 #ifdef ALLOW_CARBON
345 DO nz = 1,nzmax
346 iZooC (nz) = iZoC + (nz-1)
347 ENDDO
348 #endif
349
350 #ifdef DAR_DIAG_DIVER
351 c only look at grid point with a minimum biomass
352 diver_thresh0=1 _d -12
353 c diver1 - if any type greater than
354 diver_thresh1=1 _d -8
355 c diver2 - if more than this proportion of total biomass
356 diver_thresh2=1 _d -3
357 c diver3 - fraction of biomass to count
358 diver_thresh3=.999 _d 0
359 c diver4 - fraction of maximum species
360 diver_thresh4=1 _d -5
361 c threshold on total biomass for contributing to Shannon and Simpson ind
362 c (these become large at very small biomass)
363 shannon_thresh = 1 _d -8 ! mmol P m-3
364 #endif
365
366 c set up diagnostics
367 #ifdef ALLOW_MNC
368 IF ( useMNC ) THEN
369 CALL DARWIN_MNC_INIT( myThid )
370 #ifdef ALLOW_CARBON
371 CALL DIC_MNC_INIT( myThid )
372 #endif
373 ENDIF
374 #endif /* ALLOW_MNC */
375
376 COJ set up diagnostics
377 #ifdef ALLOW_DIAGNOSTICS
378 IF ( useDIAGNOSTICS ) THEN
379 CALL MONOD_DIAGNOSTICS_INIT( myThid )
380 #ifdef ALLOW_CARBON
381 CALL DIC_DIAGNOSTICS_INIT( myThid )
382 #endif
383 ENDIF
384 #endif /* ALLOW_DIAGNOSTICS */
385 COJ
386
387
388
389 RETURN
390 END
391 C============================================================================
392 #endif
393 #endif
394

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