/[MITgcm]/MITgcm_contrib/darwin2/pkg/darwin/darwin_readparams.F
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Revision 1.3 - (show annotations) (download)
Thu Sep 22 19:23:31 2011 UTC (13 years, 10 months ago) by jahn
Branch: MAIN
CVS Tags: ctrb_darwin2_ckpt63l_20120405, ctrb_darwin2_ckpt63f_20111201, ctrb_darwin2_ckpt63o_20120629, ctrb_darwin2_ckpt63c_20111011, ctrb_darwin2_ckpt63i_20120124, ctrb_darwin2_ckpt63m_20120506, ctrb_darwin2_ckpt63e_20111107, ctrb_darwin2_ckpt63j_20120217, ctrb_darwin2_ckpt63g_20111220, ctrb_darwin2_ckpt63h_20111230, ctrb_darwin2_ckpt63p_20120707, ctrb_darwin2_ckpt63d_20111107, ctrb_darwin2_ckpt63q_20120731, ctrb_darwin2_ckpt63n_20120604, ctrb_darwin2_ckpt63k_20120317
Changes since 1.2: +17 -1 lines
add namelist parameters darwin_ironFileUnits darwin_dustFrac

1 C $Header: /u/gcmpack/MITgcm_contrib/darwin2/pkg/darwin/darwin_readparams.F,v 1.2 2011/09/22 19:18:37 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 #ifdef DAR_CALC_ACDOM
80 & ,darwin_Sdom
81 #endif
82 #ifdef DAR_DIAG_ACDOM
83 & ,darwin_diag_acdom_ilam
84 #endif
85 #ifdef DAR_RADTRANS
86 & ,darwin_PAR_ilamLo
87 & ,darwin_PAR_ilamHi
88 & ,darwin_radmodThresh
89 & ,darwin_Dmax
90 & ,darwin_rmus
91 & ,darwin_rmuu
92 & ,darwin_bbw
93 & ,darwin_bbphy
94 & ,darwin_bbmin
95 & ,darwin_radtrans_kmax
96 & ,darwin_radtrans_niter
97 & ,darwin_part_size_P
98 #endif
99 #endif /* WAVEBANDS */
100 #endif /* WAVEBANDS || OASIM */
101
102 #ifdef DAR_DIAG_CHL
103 NAMELIST /DARWIN_CHL/
104 & Geider_Bigalphachl, Geider_smallalphachl,
105 & Geider_Bigchl2cmax, Geider_smallchl2cmax,
106 & Geider_Bigchl2cmin,
107 & Doney_Bmin, Doney_Bmax, Doney_PARstar,
108 & Cloern_A, Cloern_B, Cloern_C, Cloern_chl2cmin
109 #endif
110
111 #ifdef ALLOW_CARBON
112 NAMELIST /DIC_FORCING/
113 & DIC_windFile, DIC_atmospFile,
114 & dic_pCO2, dic_int1, dic_int2, dic_int3, dic_int4
115 #endif
116
117 C Set defaults values for parameters in DARWIN_IO.h
118 darwin_iceFile=' '
119 darwin_ironFile=' '
120 darwin_PARFile=' '
121 darwin_nutWVelFile=' '
122 darwin_PO4_relaxFile=' '
123 darwin_NO3_relaxFile=' '
124 darwin_FeT_relaxFile=' '
125 darwin_Si_relaxFile=' '
126 darwin_PO4_fluxFile=' '
127 darwin_NO3_fluxFile=' '
128 darwin_FeT_fluxFile=' '
129 darwin_Si_fluxFile=' '
130 darwin_waterabsorbFile=' '
131 darwin_phytoabsorbFile=' '
132 darwin_particleabsorbFile=' '
133 darwin_surfacespecFile=' '
134 darwin_acdomFile=' '
135 darwin_oasim_edFile=' '
136 darwin_oasim_esFile=' '
137 darwin_PARunits='Ein/m2/d '
138 darwin_W_to_uEins=1. _d 0/0.2174 _d 0
139 darwin_ironUnits='mol Fe/m2/s '
140 darwin_dustFrac=0.035 _d 0
141 darwin_relaxscale=0. _d 0
142 darwin_seed=0
143 c default periodic forcing to same as for GCHEM
144 darwin_forcingPeriod=gchem_ForcingPeriod
145 darwin_forcingCycle=gchem_ForcingCycle
146
147 #ifdef ALLOW_CARBON
148 DIC_windFile = ' '
149 DIC_atmospFile= ' '
150 dic_int1 = 0
151 dic_int2 = 0
152 dic_int3 = 0
153 dic_int4 = 0
154 dic_pCO2 = 0. _d 0
155 #endif
156
157 #ifdef ALLOW_PAR_DAY
158 darwin_PARavPeriod=86400. _d 0
159 #endif
160
161 #if defined(WAVEBANDS) || defined(OASIM)
162 DO ilam=1,tlam
163 darwin_waves(ilam) = 0
164 ENDDO
165 IF (tlam.EQ.13) THEN
166 darwin_waves(1) = 400
167 darwin_waves(2) = 425
168 darwin_waves(3) = 450
169 darwin_waves(4) = 475
170 darwin_waves(5) = 500
171 darwin_waves(6) = 525
172 darwin_waves(7) = 550
173 darwin_waves(8) = 575
174 darwin_waves(9) = 600
175 darwin_waves(10) = 625
176 darwin_waves(11) = 650
177 darwin_waves(12) = 675
178 darwin_waves(13) = 700
179 ENDIF
180 #endif
181
182 #ifdef WAVEBANDS
183 #ifdef DAR_CALC_ACDOM
184 darwin_Sdom = 0.014 _d 0
185 #endif
186 #ifdef DAR_DIAG_ACDOM
187 c value >= 100 will be converted to index in wavebands_init_fixed
188 darwin_diag_acdom_ilam = 450
189 #endif
190 #ifdef DAR_RADTRANS
191 darwin_PAR_ilamLo = 1
192 darwin_PAR_ilamHi = tlam
193 darwin_radmodThresh = 1 _d -4
194 darwin_Dmax = 500 _d 0
195 darwin_rmus = 1.0/0.83 _d 0
196 darwin_rmuu = 1.0/0.4 _d 0
197 darwin_bbmin = 0.0002 _d 0
198 darwin_bbw = 0.5 _d 0
199 do i=1,tnabp
200 darwin_bbphy(i) = 0 _d 0
201 enddo
202 darwin_radtrans_kmax = Nr
203 darwin_radtrans_niter = 1
204 darwin_part_size_P = 1 _d -15 ! mmol P per particle
205 #endif
206 #endif /* WAVEBANDS */
207
208 C Open and read the data.darwin file
209 _BEGIN_MASTER(myThid)
210 WRITE(msgBuf,'(A)') ' DARWIN_READPARMS: opening data.darwin'
211 CALL PRINT_MESSAGE(msgBuf, standardMessageUnit,
212 & SQUEEZE_RIGHT , 1)
213 CALL OPEN_COPY_DATA_FILE(
214 I 'data.darwin', 'DARWIN_READPARAMS',
215 O iUnit,
216 I myThid )
217 READ(UNIT=iUnit,NML=DARWIN_FORCING)
218 #ifdef ALLOW_PAR_DAY
219 darwin_PARnav = NINT(darwin_PARavPeriod*nsubtime/dTtracerLev(1))
220 #endif
221 C factor for conversion to uEin/m2/s
222 IF ( darwin_PARunits(1:16) .EQ. 'uEin/m2/s ' ) THEN
223 darwin_PARFileConv = 1. _d 0
224 ELSEIF ( darwin_PARunits(1:16) .EQ. 'Ein/m2/d ' ) THEN
225 darwin_PARFileConv = 1. _d 6/86400. _d 0
226 ELSEIF ( darwin_PARunits(1:16) .EQ. 'W/m2 ' ) THEN
227 darwin_PARFileConv = darwin_W_to_uEins
228 ELSE
229 WRITE(msgBuf,'(2A)') 'S/R DARWIN_READPARMS:',
230 & 'darwin_PARunits must be one of Ein/m2/d, uEin/m2/s, W/m2'
231 CALL PRINT_ERROR( msgBuf , 1)
232 STOP 'unknown darwin_PARunits'
233 ENDIF
234
235 C factor for conversion to mmol Fe/m2/s (bioavailable fraction is done later)
236 IF ( darwin_ironUnits(1:16) .EQ. 'mol Fe/m2/s ' ) THEN
237 darwin_ironFileConv = 1000. _d 0
238 ELSEIF ( darwin_ironUnits(1:16) .EQ. 'kg dust/m2/s ' ) THEN
239 darwin_ironFileConv = 1000.*darwin_dustFrac*1000./55.845 _d 0
240 ELSE
241 WRITE(msgBuf,'(2A)') 'S/R DARWIN_READPARMS:',
242 & 'darwin_ironUnits must be one of mol Fe/m2/s, kg dust/m2/s'
243 CALL PRINT_ERROR( msgBuf , 1)
244 STOP 'unknown darwin_Feunits'
245 ENDIF
246
247 #ifdef DAR_DIAG_CHL
248 C default values
249 C Geider: chl:c = max(chl2cmin, chl2cmax/(1+(chl2cmax*alphachl*PARday)/(2*Pcm)))
250 C Pcm = mu*limit*phytoTempFunction
251 Geider_smallalphachl = 2. _d -6 ! mmol C (mg Chl)-1 m2 (uEin)-1
252 Geider_Bigalphachl = 1. _d -6 ! mmol C (mg Chl)-1 m2 (uEin)-1
253 Geider_smallchl2cmax = 0.35 _d 0 ! mg Chl (mmol C)-1
254 Geider_Bigchl2cmax = 0.65 _d 0 ! mg Chl (mmol C)-1
255 Geider_smallchl2cmin = 0.003 _d 0 * 12. _d 0 ! mg Chl a/mmol C
256 Geider_Bigchl2cmin = 0.003 _d 0 * 12. _d 0 ! mg Chl a/mmol C
257
258 C Doney: chl:c = (Bmax - (Bmax-Bmin)*MIN(1,PARday/PARstar))*limit
259 Doney_Bmax = 12. _d 0 / 37. _d 0 ! mg Chl a/mmol C
260 Doney_Bmin = 12. _d 0 / 90. _d 0 ! mg Chl a/mmol C
261 Doney_PARstar = 90. _d 0 / 0.2174 _d 0 ! uEin/m2/s
262
263 C Cloern: chl:c = chl2cmin + A*exp(B*T)*exp(-C*PARday)*limit
264 Cloern_chl2cmin = 0.003 _d 0 * 12. _d 0 ! mg Chl a/mmol C
265 Cloern_A = 0.0154 _d 0 * 12. _d 0 ! mg Chl a/mmol C
266 Cloern_B = 0.050 _d 0 ! (degree C)^{-1}
267 Cloern_C = 0.059 _d 0 * 86400. _d 0 / 1. _d 6 ! m^2 s/uEin
268
269 READ(UNIT=iUnit,NML=DARWIN_CHL)
270 #endif /* DAR_DIAG_CHL */
271
272 #ifdef ALLOW_CARBON
273 READ(UNIT=iUnit,NML=DIC_FORCING)
274 #endif
275
276 #ifdef DAR_RADTRANS
277 #ifndef DAR_NONSPECTRAL_BACKSCATTERING_RATIO
278 DO i=1,tnabp
279 IF ( darwin_bbphy(i) .NE. 0 _d 0 ) THEN
280 WRITE(msgBuf,'(2A)') 'S/R DARWIN_READPARMS:',
281 & 'darwin_bbphy is obsolete.'
282 CALL PRINT_ERROR( msgBuf , 1)
283 WRITE(msgBuf,'(2A)') 'S/R DARWIN_READPARMS:',
284 & 'Backscattering coefficients are now read from'
285 CALL PRINT_ERROR( msgBuf , 1)
286 WRITE(msgBuf,'(2A)') 'S/R DARWIN_READPARMS:',
287 & 'darwin_phytoabsorbFile.'
288 CALL PRINT_ERROR( msgBuf , 1)
289 ENDIF
290 ENDDO
291 #endif
292 #endif
293
294 #if defined(WAVEBANDS) || defined(OASIM)
295 READ(UNIT=iUnit,NML=DARWIN_SPECTRAL_PARM,IOSTAT=errIO)
296 IF ( errIO .LT. 0 ) THEN
297 WRITE(msgBuf,'(A)')
298 & 'S/R DARWIN_READPARMS'
299 CALL PRINT_ERROR( msgBuf , 1)
300 WRITE(msgBuf,'(A)')
301 & 'Error reading darwin package'
302 CALL PRINT_ERROR( msgBuf , 1)
303 WRITE(msgBuf,'(A)')
304 & 'parameter file "data.darwin"'
305 CALL PRINT_ERROR( msgBuf , 1)
306 WRITE(msgBuf,'(A)')
307 & 'Problem in namelist DARWIN_SPECTRAL_PARM'
308 CALL PRINT_ERROR( msgBuf , 1)
309 STOP 'ABNORMAL END: S/R DARWIN_READPARMS'
310 ENDIF
311 #endif
312
313 WRITE(msgBuf,'(A)')
314 & ' DARWIN_READPARMS: finished reading data.darwin'
315 CALL PRINT_MESSAGE(msgBuf, standardMessageUnit,
316 & SQUEEZE_RIGHT , 1)
317
318 C Close the open data file
319 CLOSE(iUnit)
320
321 #if defined(WAVEBANDS) || defined(OASIM)
322 c Quanta conversion
323 planck = 6.6256 _d -34 !Plancks constant J sec
324 c = 2.998 _d 8 !speed of light m/sec
325 hc = 1.0/(planck*c)
326 oavo = 1.0/6.023 _d 23 ! 1/Avogadros number
327 hcoavo = hc*oavo
328 do ilam = 1,tlam
329 rlamm = darwin_waves(ilam)*1 _d -9 !lambda in m
330 WtouEins(ilam) = 1 _d 6*rlamm*hcoavo !Watts to uEin/s conversion
331 enddo
332 #endif
333
334 C-- Print a summary of parameter values:
335 iUnit = standardMessageUnit
336 WRITE(msgBuf,'(A)') '// ==================================='
337 CALL PRINT_MESSAGE( msgBuf, iUnit, SQUEEZE_RIGHT , myThid )
338 WRITE(msgBuf,'(A)') '// darwin parameters '
339 CALL PRINT_MESSAGE( msgBuf, iUnit, SQUEEZE_RIGHT , myThid )
340 WRITE(msgBuf,'(A)') '// ==================================='
341 CALL PRINT_MESSAGE( msgBuf, iUnit, SQUEEZE_RIGHT , myThid )
342 CALL WRITE_0D_I( darwin_seed, INDEX_NONE,
343 & 'darwin_seed =',
344 & ' /* seed for random number generator */')
345
346 WRITE(msgBuf,'(A)') ' -----------------------------------'
347 CALL PRINT_MESSAGE( msgBuf, iUnit, SQUEEZE_RIGHT, myThid )
348
349 #if defined(WAVEBANDS) || defined(OASIM)
350 CALL WRITE_1D_I( darwin_waves, tlam, 0,
351 & 'darwin_waves =',
352 &' /* "central" wavelengths of wavebands */')
353 #endif
354 #ifdef WAVEBANDS
355 #ifdef DAR_CALC_ACDOM
356 CALL WRITE_0D_RL( darwin_Sdom, INDEX_NONE,
357 & 'darwin_Sdom =',
358 &' /* spectral slope for aCDOM */')
359 #endif
360 #ifdef DAR_DIAG_ACDOM
361 CALL WRITE_0D_I( darwin_diag_acdom_ilam, INDEX_NONE,
362 & 'darwin_diag_acdom_ilam =',
363 &' /* waveband to use for aCDOM diagnostic */')
364 #endif
365 #ifdef DAR_RADTRANS
366 CALL WRITE_0D_I( darwin_PAR_ilamLo, INDEX_NONE,
367 & 'darwin_PAR_ilamLo =',
368 &' /* waveband index of PAR lower bound */')
369 CALL WRITE_0D_I( darwin_PAR_ilamHi, INDEX_NONE,
370 & 'darwin_PAR_ilamHi =',
371 &' /* waveband index of PAR upper bound */')
372 CALL WRITE_0D_RL( darwin_radmodThresh, INDEX_NONE,
373 & 'darwin_radmodThresh =',
374 &' /* threshold for calling radmod (W/m2/waveband) */')
375 CALL WRITE_0D_RL( darwin_Dmax, INDEX_NONE,
376 & 'darwin_Dmax =',
377 &' /* depth at which Ed is assumed zero */')
378 CALL WRITE_0D_RL( darwin_rmus, INDEX_NONE,
379 & 'darwin_rmus =',
380 &' /* inverse average cosine of downward diffuse irradiance */')
381 CALL WRITE_0D_RL( darwin_rmuu, INDEX_NONE,
382 & 'darwin_rmuu =',
383 &' /* inverse average cosine of upward diffuse irradiance */')
384 CALL WRITE_0D_RL( darwin_bbw, INDEX_NONE,
385 & 'darwin_bbw =',
386 &' /* backscattering to forward scattering ratio for water */')
387 CALL WRITE_0D_RL( darwin_bbmin, INDEX_NONE,
388 & 'darwin_bbmin =',
389 &' /* minimum backscattering coefficient (1/m) */')
390 CALL WRITE_1D_RL( darwin_bbphy, tnabp, 0,
391 & 'darwin_bbphy =',
392 &' /* backscattering to forward scattering ratio for phyto */')
393 CALL WRITE_0D_I( darwin_radtrans_kmax, INDEX_NONE,
394 & 'darwin_radtrans_kmax =',
395 &' /* deepest level in which to compute irradiances */')
396 CALL WRITE_0D_I( darwin_radtrans_niter, INDEX_NONE,
397 & 'darwin_radtrans_niter =',
398 &' /* number of "radtrans improvement" iterations */')
399 #endif /* DAR_RADTRANS */
400 #endif /* WAVEBANDS */
401
402 WRITE(msgBuf,'(A)') ' ==================================='
403 CALL PRINT_MESSAGE( msgBuf, iUnit, SQUEEZE_RIGHT, myThid )
404
405 _END_MASTER(myThid)
406
407 C Everyone else must wait for the parameters to be loaded
408 _BARRIER
409
410 #endif /* ALLOW_DARWIN */
411
412 RETURN
413 END

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