/[MITgcm]/MITgcm_contrib/darwin2/pkg/darwin/darwin_readparams.F
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Revision 1.4 - (show annotations) (download)
Thu Aug 9 21:18:53 2012 UTC (13 years ago) by jahn
Branch: MAIN
CVS Tags: ctrb_darwin2_ckpt63r_20120817
Changes since 1.3: +37 -16 lines
new parameter darwin_wavebands for waveband boundaries

1 C $Header: /u/gcmpack/MITgcm_contrib/darwin2/pkg/darwin/darwin_readparams.F,v 1.3 2011/09/22 19:23:31 jahn Exp $
2 C $Name: $
3
4 #include "DARWIN_OPTIONS.h"
5
6 CBOP
7 C !ROUTINE: DARWIN_READPARMS
8
9 C !INTERFACE: ==========================================================
10 SUBROUTINE DARWIN_READPARMS( myThid )
11
12 C !DESCRIPTION:
13 C Initialize DARWIN parameters, read in data.darwin
14
15 C !USES: ===============================================================
16 IMPLICIT NONE
17 #include "SIZE.h"
18 #include "EEPARAMS.h"
19 #include "PARAMS.h"
20 #include "GCHEM.h"
21 #include "DARWIN_SIZE.h"
22 #include "DARWIN_IO.h"
23 #include "DARWIN_PARAMS.h"
24 #ifdef WAVEBANDS
25 #include "SPECTRAL_SIZE.h"
26 #include "SPECTRAL.h"
27 #include "WAVEBANDS_PARAMS.h"
28 #endif
29
30 C !INPUT PARAMETERS: ===================================================
31 C myThid :: thread number
32 INTEGER myThid
33
34 C !OUTPUT PARAMETERS: ==================================================
35 C none
36
37 #ifdef ALLOW_DARWIN
38
39 C !LOCAL VARIABLES: ====================================================
40 C iUnit :: unit number for I/O
41 C msgBuf :: message buffer
42 INTEGER iUnit,errIO
43 CHARACTER*(MAX_LEN_MBUF) msgBuf
44 #if defined(WAVEBANDS) || defined(OASIM)
45 INTEGER ilam,i
46 _RL planck, c, hc, oavo, hcoavo, rlamm
47 #endif
48 CEOP
49
50 NAMELIST /DARWIN_FORCING/
51 & darwin_iceFile,
52 & darwin_ironFile,
53 & darwin_PARFile,
54 & darwin_nutWVelFile,
55 & darwin_PO4_relaxFile, darwin_NO3_relaxFile,
56 & darwin_FeT_relaxFile, darwin_Si_relaxFile,
57 & darwin_PO4_fluxFile, darwin_NO3_fluxFile,
58 & darwin_FeT_fluxFile, darwin_Si_fluxFile,
59 & darwin_waterabsorbFile, darwin_phytoabsorbFile,
60 & darwin_surfacespecFile, darwin_acdomFile,
61 & darwin_particleabsorbFile,
62 #ifdef OASIM
63 & darwin_oasim_edFile, darwin_oasim_esFile,
64 #endif
65 & darwin_relaxscale,
66 & darwin_ForcingPeriod, darwin_ForcingCycle,
67 & darwin_PARunits, darwin_W_to_uEins,
68 & darwin_ironUnits,
69 & darwin_dustFrac,
70 #ifdef ALLOW_PAR_DAY
71 & darwin_PARavPeriod,
72 #endif
73 & darwin_seed
74
75 #if defined(WAVEBANDS) || defined(OASIM)
76 NAMELIST /DARWIN_SPECTRAL_PARM/
77 & darwin_waves
78 #ifdef WAVEBANDS
79 & ,darwin_wavebands
80 #ifdef DAR_CALC_ACDOM
81 & ,darwin_Sdom
82 #endif
83 #ifdef DAR_DIAG_ACDOM
84 & ,darwin_diag_acdom_ilam
85 #endif
86 #ifdef DAR_RADTRANS
87 & ,darwin_PAR_ilamLo
88 & ,darwin_PAR_ilamHi
89 & ,darwin_radmodThresh
90 & ,darwin_Dmax
91 & ,darwin_rmus
92 & ,darwin_rmuu
93 & ,darwin_bbw
94 & ,darwin_bbphy
95 & ,darwin_bbmin
96 & ,darwin_radtrans_kmax
97 & ,darwin_radtrans_niter
98 & ,darwin_part_size_P
99 #endif
100 #endif /* WAVEBANDS */
101 #endif /* WAVEBANDS || OASIM */
102
103 #ifdef DAR_DIAG_CHL
104 NAMELIST /DARWIN_CHL/
105 & Geider_Bigalphachl, Geider_smallalphachl,
106 & Geider_Bigchl2cmax, Geider_smallchl2cmax,
107 & Geider_Bigchl2cmin,
108 & Doney_Bmin, Doney_Bmax, Doney_PARstar,
109 & Cloern_A, Cloern_B, Cloern_C, Cloern_chl2cmin
110 #endif
111
112 #ifdef ALLOW_CARBON
113 NAMELIST /DIC_FORCING/
114 & DIC_windFile, DIC_atmospFile,
115 & dic_pCO2, dic_int1, dic_int2, dic_int3, dic_int4
116 #endif
117
118 C Set defaults values for parameters in DARWIN_IO.h
119 darwin_iceFile=' '
120 darwin_ironFile=' '
121 darwin_PARFile=' '
122 darwin_nutWVelFile=' '
123 darwin_PO4_relaxFile=' '
124 darwin_NO3_relaxFile=' '
125 darwin_FeT_relaxFile=' '
126 darwin_Si_relaxFile=' '
127 darwin_PO4_fluxFile=' '
128 darwin_NO3_fluxFile=' '
129 darwin_FeT_fluxFile=' '
130 darwin_Si_fluxFile=' '
131 darwin_waterabsorbFile=' '
132 darwin_phytoabsorbFile=' '
133 darwin_particleabsorbFile=' '
134 darwin_surfacespecFile=' '
135 darwin_acdomFile=' '
136 darwin_oasim_edFile=' '
137 darwin_oasim_esFile=' '
138 darwin_PARunits='Ein/m2/d '
139 darwin_W_to_uEins=1. _d 0/0.2174 _d 0
140 darwin_ironUnits='mol Fe/m2/s '
141 darwin_dustFrac=0.035 _d 0
142 darwin_relaxscale=0. _d 0
143 darwin_seed=0
144 c default periodic forcing to same as for GCHEM
145 darwin_forcingPeriod=gchem_ForcingPeriod
146 darwin_forcingCycle=gchem_ForcingCycle
147
148 #ifdef ALLOW_CARBON
149 DIC_windFile = ' '
150 DIC_atmospFile= ' '
151 dic_int1 = 0
152 dic_int2 = 0
153 dic_int3 = 0
154 dic_int4 = 0
155 dic_pCO2 = 0. _d 0
156 #endif
157
158 #ifdef ALLOW_PAR_DAY
159 darwin_PARavPeriod=86400. _d 0
160 #endif
161
162 #if defined(WAVEBANDS) || defined(OASIM)
163 DO ilam=1,tlam
164 darwin_waves(ilam) = 0
165 ENDDO
166 #endif
167
168 #ifdef WAVEBANDS
169 DO ilam=1,tlam+1
170 darwin_wavebands(ilam) = 0
171 ENDDO
172 #ifdef DAR_CALC_ACDOM
173 darwin_Sdom = 0.014 _d 0
174 #endif
175 #ifdef DAR_DIAG_ACDOM
176 c value >= 100 will be converted to index in wavebands_init_fixed
177 darwin_diag_acdom_ilam = 450
178 #endif
179 #ifdef DAR_RADTRANS
180 darwin_PAR_ilamLo = 1
181 darwin_PAR_ilamHi = tlam
182 darwin_radmodThresh = 1 _d -4
183 darwin_Dmax = 500 _d 0
184 darwin_rmus = 1.0/0.83 _d 0
185 darwin_rmuu = 1.0/0.4 _d 0
186 darwin_bbmin = 0.0002 _d 0
187 darwin_bbw = 0.5 _d 0
188 do i=1,tnabp
189 darwin_bbphy(i) = 0 _d 0
190 enddo
191 darwin_radtrans_kmax = Nr
192 darwin_radtrans_niter = 1
193 darwin_part_size_P = 1 _d -15 ! mmol P per particle
194 #endif
195 #endif /* WAVEBANDS */
196
197 C Open and read the data.darwin file
198 _BEGIN_MASTER(myThid)
199 WRITE(msgBuf,'(A)') ' DARWIN_READPARMS: opening data.darwin'
200 CALL PRINT_MESSAGE(msgBuf, standardMessageUnit,
201 & SQUEEZE_RIGHT , 1)
202 CALL OPEN_COPY_DATA_FILE(
203 I 'data.darwin', 'DARWIN_READPARAMS',
204 O iUnit,
205 I myThid )
206 READ(UNIT=iUnit,NML=DARWIN_FORCING)
207 #ifdef ALLOW_PAR_DAY
208 darwin_PARnav = NINT(darwin_PARavPeriod*nsubtime/dTtracerLev(1))
209 #endif
210 C factor for conversion to uEin/m2/s
211 IF ( darwin_PARunits(1:16) .EQ. 'uEin/m2/s ' ) THEN
212 darwin_PARFileConv = 1. _d 0
213 ELSEIF ( darwin_PARunits(1:16) .EQ. 'Ein/m2/d ' ) THEN
214 darwin_PARFileConv = 1. _d 6/86400. _d 0
215 ELSEIF ( darwin_PARunits(1:16) .EQ. 'W/m2 ' ) THEN
216 darwin_PARFileConv = darwin_W_to_uEins
217 ELSE
218 WRITE(msgBuf,'(2A)') 'S/R DARWIN_READPARMS:',
219 & 'darwin_PARunits must be one of Ein/m2/d, uEin/m2/s, W/m2'
220 CALL PRINT_ERROR( msgBuf , 1)
221 STOP 'unknown darwin_PARunits'
222 ENDIF
223
224 C factor for conversion to mmol Fe/m2/s (bioavailable fraction is done later)
225 IF ( darwin_ironUnits(1:16) .EQ. 'mol Fe/m2/s ' ) THEN
226 darwin_ironFileConv = 1000. _d 0
227 ELSEIF ( darwin_ironUnits(1:16) .EQ. 'kg dust/m2/s ' ) THEN
228 darwin_ironFileConv = 1000.*darwin_dustFrac*1000./55.845 _d 0
229 ELSE
230 WRITE(msgBuf,'(2A)') 'S/R DARWIN_READPARMS:',
231 & 'darwin_ironUnits must be one of mol Fe/m2/s, kg dust/m2/s'
232 CALL PRINT_ERROR( msgBuf , 1)
233 STOP 'unknown darwin_Feunits'
234 ENDIF
235
236 #ifdef DAR_DIAG_CHL
237 C default values
238 C Geider: chl:c = max(chl2cmin, chl2cmax/(1+(chl2cmax*alphachl*PARday)/(2*Pcm)))
239 C Pcm = mu*limit*phytoTempFunction
240 Geider_smallalphachl = 2. _d -6 ! mmol C (mg Chl)-1 m2 (uEin)-1
241 Geider_Bigalphachl = 1. _d -6 ! mmol C (mg Chl)-1 m2 (uEin)-1
242 Geider_smallchl2cmax = 0.35 _d 0 ! mg Chl (mmol C)-1
243 Geider_Bigchl2cmax = 0.65 _d 0 ! mg Chl (mmol C)-1
244 Geider_smallchl2cmin = 0.003 _d 0 * 12. _d 0 ! mg Chl a/mmol C
245 Geider_Bigchl2cmin = 0.003 _d 0 * 12. _d 0 ! mg Chl a/mmol C
246
247 C Doney: chl:c = (Bmax - (Bmax-Bmin)*MIN(1,PARday/PARstar))*limit
248 Doney_Bmax = 12. _d 0 / 37. _d 0 ! mg Chl a/mmol C
249 Doney_Bmin = 12. _d 0 / 90. _d 0 ! mg Chl a/mmol C
250 Doney_PARstar = 90. _d 0 / 0.2174 _d 0 ! uEin/m2/s
251
252 C Cloern: chl:c = chl2cmin + A*exp(B*T)*exp(-C*PARday)*limit
253 Cloern_chl2cmin = 0.003 _d 0 * 12. _d 0 ! mg Chl a/mmol C
254 Cloern_A = 0.0154 _d 0 * 12. _d 0 ! mg Chl a/mmol C
255 Cloern_B = 0.050 _d 0 ! (degree C)^{-1}
256 Cloern_C = 0.059 _d 0 * 86400. _d 0 / 1. _d 6 ! m^2 s/uEin
257
258 READ(UNIT=iUnit,NML=DARWIN_CHL)
259 #endif /* DAR_DIAG_CHL */
260
261 #ifdef ALLOW_CARBON
262 READ(UNIT=iUnit,NML=DIC_FORCING)
263 #endif
264
265 #ifdef DAR_RADTRANS
266 #ifndef DAR_NONSPECTRAL_BACKSCATTERING_RATIO
267 DO i=1,tnabp
268 IF ( darwin_bbphy(i) .NE. 0 _d 0 ) THEN
269 WRITE(msgBuf,'(2A)') 'S/R DARWIN_READPARMS:',
270 & 'darwin_bbphy is obsolete.'
271 CALL PRINT_ERROR( msgBuf , 1)
272 WRITE(msgBuf,'(2A)') 'S/R DARWIN_READPARMS:',
273 & 'Backscattering coefficients are now read from'
274 CALL PRINT_ERROR( msgBuf , 1)
275 WRITE(msgBuf,'(2A)') 'S/R DARWIN_READPARMS:',
276 & 'darwin_phytoabsorbFile.'
277 CALL PRINT_ERROR( msgBuf , 1)
278 ENDIF
279 ENDDO
280 #endif
281 #endif
282
283 #if defined(WAVEBANDS) || defined(OASIM)
284 READ(UNIT=iUnit,NML=DARWIN_SPECTRAL_PARM,IOSTAT=errIO)
285 IF ( errIO .LT. 0 ) THEN
286 WRITE(msgBuf,'(A)')
287 & 'S/R DARWIN_READPARMS'
288 CALL PRINT_ERROR( msgBuf , 1)
289 WRITE(msgBuf,'(A)')
290 & 'Error reading darwin package'
291 CALL PRINT_ERROR( msgBuf , 1)
292 WRITE(msgBuf,'(A)')
293 & 'parameter file "data.darwin"'
294 CALL PRINT_ERROR( msgBuf , 1)
295 WRITE(msgBuf,'(A)')
296 & 'Problem in namelist DARWIN_SPECTRAL_PARM'
297 CALL PRINT_ERROR( msgBuf , 1)
298 STOP 'ABNORMAL END: S/R DARWIN_READPARMS'
299 ENDIF
300 #endif
301
302 WRITE(msgBuf,'(A)')
303 & ' DARWIN_READPARMS: finished reading data.darwin'
304 CALL PRINT_MESSAGE(msgBuf, standardMessageUnit,
305 & SQUEEZE_RIGHT , 1)
306
307 C Close the open data file
308 CLOSE(iUnit)
309
310 #if defined(WAVEBANDS) || defined(OASIM)
311 IF ( darwin_waves(1).EQ.0.0 .AND. tlam.EQ.13 ) THEN
312 darwin_waves(1) = 400
313 darwin_waves(2) = 425
314 darwin_waves(3) = 450
315 darwin_waves(4) = 475
316 darwin_waves(5) = 500
317 darwin_waves(6) = 525
318 darwin_waves(7) = 550
319 darwin_waves(8) = 575
320 darwin_waves(9) = 600
321 darwin_waves(10) = 625
322 darwin_waves(11) = 650
323 darwin_waves(12) = 675
324 darwin_waves(13) = 700
325 IF ( darwin_wavebands(1).NE.0.0 ) THEN
326 WRITE(msgBuf,'(2A)') 'DARWIN_READPARMS: ',
327 & 'darwin_wavebands given without darwin_waves.'
328 CALL PRINT_ERROR( msgBuf, myThid )
329 WRITE(msgBuf,'(2A)') 'DARWIN_READPARMS: ',
330 & 'using standard waveband centers 400, 425, ...'
331 CALL PRINT_ERROR( msgBuf, myThid )
332 WRITE(msgBuf,'(2A)') 'DARWIN_READPARMS: ',
333 & 'provide darwin_waves if this is not desired.'
334 CALL PRINT_ERROR( msgBuf, myThid )
335 ENDIF
336 ENDIF
337 c Quanta conversion
338 planck = 6.6256 _d -34 !Plancks constant J sec
339 c = 2.998 _d 8 !speed of light m/sec
340 hc = 1.0/(planck*c)
341 oavo = 1.0/6.023 _d 23 ! 1/Avogadros number
342 hcoavo = hc*oavo
343 do ilam = 1,tlam
344 rlamm = darwin_waves(ilam)*1 _d -9 !lambda in m
345 WtouEins(ilam) = 1 _d 6*rlamm*hcoavo !Watts to uEin/s conversion
346 IF ( rlamm .EQ. 0.0 ) THEN
347 WRITE(msgBuf,'(2A)') 'DARWIN_READPARMS: ',
348 & 'please provide wavelengths in darwin_waves.'
349 CALL PRINT_ERROR( msgBuf, myThid )
350 STOP 'ABNORMAL END: S/R DARWIN_READPARMS'
351 ENDIF
352 enddo
353 #endif
354
355 C-- Print a summary of parameter values:
356 iUnit = standardMessageUnit
357 WRITE(msgBuf,'(A)') '// ==================================='
358 CALL PRINT_MESSAGE( msgBuf, iUnit, SQUEEZE_RIGHT , myThid )
359 WRITE(msgBuf,'(A)') '// darwin parameters '
360 CALL PRINT_MESSAGE( msgBuf, iUnit, SQUEEZE_RIGHT , myThid )
361 WRITE(msgBuf,'(A)') '// ==================================='
362 CALL PRINT_MESSAGE( msgBuf, iUnit, SQUEEZE_RIGHT , myThid )
363 CALL WRITE_0D_I( darwin_seed, INDEX_NONE,
364 & 'darwin_seed =',
365 & ' /* seed for random number generator */')
366
367 WRITE(msgBuf,'(A)') ' -----------------------------------'
368 CALL PRINT_MESSAGE( msgBuf, iUnit, SQUEEZE_RIGHT, myThid )
369
370 #if defined(WAVEBANDS) || defined(OASIM)
371 CALL WRITE_1D_I( darwin_waves, tlam, 0,
372 & 'darwin_waves =',
373 &' /* "central" wavelengths of wavebands */')
374 #endif
375 #ifdef WAVEBANDS
376 #ifdef DAR_CALC_ACDOM
377 CALL WRITE_0D_RL( darwin_Sdom, INDEX_NONE,
378 & 'darwin_Sdom =',
379 &' /* spectral slope for aCDOM */')
380 #endif
381 #ifdef DAR_DIAG_ACDOM
382 CALL WRITE_0D_I( darwin_diag_acdom_ilam, INDEX_NONE,
383 & 'darwin_diag_acdom_ilam =',
384 &' /* waveband to use for aCDOM diagnostic */')
385 #endif
386 #ifdef DAR_RADTRANS
387 CALL WRITE_0D_I( darwin_PAR_ilamLo, INDEX_NONE,
388 & 'darwin_PAR_ilamLo =',
389 &' /* waveband index of PAR lower bound */')
390 CALL WRITE_0D_I( darwin_PAR_ilamHi, INDEX_NONE,
391 & 'darwin_PAR_ilamHi =',
392 &' /* waveband index of PAR upper bound */')
393 CALL WRITE_0D_RL( darwin_radmodThresh, INDEX_NONE,
394 & 'darwin_radmodThresh =',
395 &' /* threshold for calling radmod (W/m2/waveband) */')
396 CALL WRITE_0D_RL( darwin_Dmax, INDEX_NONE,
397 & 'darwin_Dmax =',
398 &' /* depth at which Ed is assumed zero */')
399 CALL WRITE_0D_RL( darwin_rmus, INDEX_NONE,
400 & 'darwin_rmus =',
401 &' /* inverse average cosine of downward diffuse irradiance */')
402 CALL WRITE_0D_RL( darwin_rmuu, INDEX_NONE,
403 & 'darwin_rmuu =',
404 &' /* inverse average cosine of upward diffuse irradiance */')
405 CALL WRITE_0D_RL( darwin_bbw, INDEX_NONE,
406 & 'darwin_bbw =',
407 &' /* backscattering to forward scattering ratio for water */')
408 CALL WRITE_0D_RL( darwin_bbmin, INDEX_NONE,
409 & 'darwin_bbmin =',
410 &' /* minimum backscattering coefficient (1/m) */')
411 CALL WRITE_1D_RL( darwin_bbphy, tnabp, 0,
412 & 'darwin_bbphy =',
413 &' /* backscattering to forward scattering ratio for phyto */')
414 CALL WRITE_0D_I( darwin_radtrans_kmax, INDEX_NONE,
415 & 'darwin_radtrans_kmax =',
416 &' /* deepest level in which to compute irradiances */')
417 CALL WRITE_0D_I( darwin_radtrans_niter, INDEX_NONE,
418 & 'darwin_radtrans_niter =',
419 &' /* number of "radtrans improvement" iterations */')
420 #endif /* DAR_RADTRANS */
421 #endif /* WAVEBANDS */
422
423 WRITE(msgBuf,'(A)') ' ==================================='
424 CALL PRINT_MESSAGE( msgBuf, iUnit, SQUEEZE_RIGHT, myThid )
425
426 _END_MASTER(myThid)
427
428 C Everyone else must wait for the parameters to be loaded
429 _BARRIER
430
431 #endif /* ALLOW_DARWIN */
432
433 RETURN
434 END

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