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Revision 1.2 - (hide annotations) (download)
Thu Sep 22 19:18:37 2011 UTC (13 years, 9 months ago) by jahn
Branch: MAIN
Changes since 1.1: +18 -2 lines
add namelist parameters darwin_PARunits, darwin_W_to_uEins

1 jahn 1.2 C $Header: /u/gcmpack/MITgcm_contrib/darwin2/pkg/darwin/darwin_readparams.F,v 1.1 2011/04/13 18:56:24 jahn Exp $
2     C $Name: $
3 jahn 1.1
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 jahn 1.2 & darwin_PARunits, darwin_W_to_uEins,
68 jahn 1.1 #ifdef ALLOW_PAR_DAY
69     & darwin_PARavPeriod,
70     #endif
71     & darwin_seed
72    
73     #if defined(WAVEBANDS) || defined(OASIM)
74     NAMELIST /DARWIN_SPECTRAL_PARM/
75     & darwin_waves
76     #ifdef WAVEBANDS
77     #ifdef DAR_CALC_ACDOM
78     & ,darwin_Sdom
79     #endif
80     #ifdef DAR_DIAG_ACDOM
81     & ,darwin_diag_acdom_ilam
82     #endif
83     #ifdef DAR_RADTRANS
84     & ,darwin_PAR_ilamLo
85     & ,darwin_PAR_ilamHi
86     & ,darwin_radmodThresh
87     & ,darwin_Dmax
88     & ,darwin_rmus
89     & ,darwin_rmuu
90     & ,darwin_bbw
91     & ,darwin_bbphy
92     & ,darwin_bbmin
93     & ,darwin_radtrans_kmax
94     & ,darwin_radtrans_niter
95     & ,darwin_part_size_P
96     #endif
97     #endif /* WAVEBANDS */
98     #endif /* WAVEBANDS || OASIM */
99    
100     #ifdef DAR_DIAG_CHL
101     NAMELIST /DARWIN_CHL/
102     & Geider_Bigalphachl, Geider_smallalphachl,
103     & Geider_Bigchl2cmax, Geider_smallchl2cmax,
104     & Geider_Bigchl2cmin,
105     & Doney_Bmin, Doney_Bmax, Doney_PARstar,
106     & Cloern_A, Cloern_B, Cloern_C, Cloern_chl2cmin
107     #endif
108    
109     #ifdef ALLOW_CARBON
110     NAMELIST /DIC_FORCING/
111     & DIC_windFile, DIC_atmospFile,
112     & dic_pCO2, dic_int1, dic_int2, dic_int3, dic_int4
113     #endif
114    
115     C Set defaults values for parameters in DARWIN_IO.h
116     darwin_iceFile=' '
117     darwin_ironFile=' '
118     darwin_PARFile=' '
119     darwin_nutWVelFile=' '
120     darwin_PO4_relaxFile=' '
121     darwin_NO3_relaxFile=' '
122     darwin_FeT_relaxFile=' '
123     darwin_Si_relaxFile=' '
124     darwin_PO4_fluxFile=' '
125     darwin_NO3_fluxFile=' '
126     darwin_FeT_fluxFile=' '
127     darwin_Si_fluxFile=' '
128     darwin_waterabsorbFile=' '
129     darwin_phytoabsorbFile=' '
130     darwin_particleabsorbFile=' '
131     darwin_surfacespecFile=' '
132     darwin_acdomFile=' '
133     darwin_oasim_edFile=' '
134     darwin_oasim_esFile=' '
135 jahn 1.2 darwin_PARunits='Ein/m2/d '
136     darwin_W_to_uEins=1. _d 0/0.2174 _d 0
137 jahn 1.1 darwin_relaxscale=0. _d 0
138     darwin_seed=0
139     c default periodic forcing to same as for GCHEM
140     darwin_forcingPeriod=gchem_ForcingPeriod
141     darwin_forcingCycle=gchem_ForcingCycle
142    
143     #ifdef ALLOW_CARBON
144     DIC_windFile = ' '
145     DIC_atmospFile= ' '
146     dic_int1 = 0
147     dic_int2 = 0
148     dic_int3 = 0
149     dic_int4 = 0
150     dic_pCO2 = 0. _d 0
151     #endif
152    
153     #ifdef ALLOW_PAR_DAY
154     darwin_PARavPeriod=86400. _d 0
155     #endif
156    
157     #if defined(WAVEBANDS) || defined(OASIM)
158     DO ilam=1,tlam
159     darwin_waves(ilam) = 0
160     ENDDO
161     IF (tlam.EQ.13) THEN
162     darwin_waves(1) = 400
163     darwin_waves(2) = 425
164     darwin_waves(3) = 450
165     darwin_waves(4) = 475
166     darwin_waves(5) = 500
167     darwin_waves(6) = 525
168     darwin_waves(7) = 550
169     darwin_waves(8) = 575
170     darwin_waves(9) = 600
171     darwin_waves(10) = 625
172     darwin_waves(11) = 650
173     darwin_waves(12) = 675
174     darwin_waves(13) = 700
175     ENDIF
176     #endif
177    
178     #ifdef WAVEBANDS
179     #ifdef DAR_CALC_ACDOM
180     darwin_Sdom = 0.014 _d 0
181     #endif
182     #ifdef DAR_DIAG_ACDOM
183     c value >= 100 will be converted to index in wavebands_init_fixed
184     darwin_diag_acdom_ilam = 450
185     #endif
186     #ifdef DAR_RADTRANS
187     darwin_PAR_ilamLo = 1
188     darwin_PAR_ilamHi = tlam
189     darwin_radmodThresh = 1 _d -4
190     darwin_Dmax = 500 _d 0
191     darwin_rmus = 1.0/0.83 _d 0
192     darwin_rmuu = 1.0/0.4 _d 0
193     darwin_bbmin = 0.0002 _d 0
194     darwin_bbw = 0.5 _d 0
195     do i=1,tnabp
196     darwin_bbphy(i) = 0 _d 0
197     enddo
198     darwin_radtrans_kmax = Nr
199     darwin_radtrans_niter = 1
200     darwin_part_size_P = 1 _d -15 ! mmol P per particle
201     #endif
202     #endif /* WAVEBANDS */
203    
204     C Open and read the data.darwin file
205     _BEGIN_MASTER(myThid)
206     WRITE(msgBuf,'(A)') ' DARWIN_READPARMS: opening data.darwin'
207     CALL PRINT_MESSAGE(msgBuf, standardMessageUnit,
208     & SQUEEZE_RIGHT , 1)
209     CALL OPEN_COPY_DATA_FILE(
210     I 'data.darwin', 'DARWIN_READPARAMS',
211     O iUnit,
212     I myThid )
213     READ(UNIT=iUnit,NML=DARWIN_FORCING)
214     #ifdef ALLOW_PAR_DAY
215     darwin_PARnav = NINT(darwin_PARavPeriod*nsubtime/dTtracerLev(1))
216     #endif
217 jahn 1.2 C factor for conversion to uEin/m2/s
218     IF ( darwin_PARunits(1:16) .EQ. 'uEin/m2/s ' ) THEN
219     darwin_PARFileConv = 1. _d 0
220     ELSEIF ( darwin_PARunits(1:16) .EQ. 'Ein/m2/d ' ) THEN
221     darwin_PARFileConv = 1. _d 6/86400. _d 0
222     ELSEIF ( darwin_PARunits(1:16) .EQ. 'W/m2 ' ) THEN
223     darwin_PARFileConv = darwin_W_to_uEins
224     ELSE
225     WRITE(msgBuf,'(2A)') 'S/R DARWIN_READPARMS:',
226     & 'darwin_PARunits must be one of Ein/m2/d, uEin/m2/s, W/m2'
227     CALL PRINT_ERROR( msgBuf , 1)
228     STOP 'unknown darwin_PARunits'
229     ENDIF
230 jahn 1.1
231     #ifdef DAR_DIAG_CHL
232     C default values
233     C Geider: chl:c = max(chl2cmin, chl2cmax/(1+(chl2cmax*alphachl*PARday)/(2*Pcm)))
234     C Pcm = mu*limit*phytoTempFunction
235     Geider_smallalphachl = 2. _d -6 ! mmol C (mg Chl)-1 m2 (uEin)-1
236     Geider_Bigalphachl = 1. _d -6 ! mmol C (mg Chl)-1 m2 (uEin)-1
237     Geider_smallchl2cmax = 0.35 _d 0 ! mg Chl (mmol C)-1
238     Geider_Bigchl2cmax = 0.65 _d 0 ! mg Chl (mmol C)-1
239     Geider_smallchl2cmin = 0.003 _d 0 * 12. _d 0 ! mg Chl a/mmol C
240     Geider_Bigchl2cmin = 0.003 _d 0 * 12. _d 0 ! mg Chl a/mmol C
241    
242     C Doney: chl:c = (Bmax - (Bmax-Bmin)*MIN(1,PARday/PARstar))*limit
243     Doney_Bmax = 12. _d 0 / 37. _d 0 ! mg Chl a/mmol C
244     Doney_Bmin = 12. _d 0 / 90. _d 0 ! mg Chl a/mmol C
245     Doney_PARstar = 90. _d 0 / 0.2174 _d 0 ! uEin/m2/s
246    
247     C Cloern: chl:c = chl2cmin + A*exp(B*T)*exp(-C*PARday)*limit
248     Cloern_chl2cmin = 0.003 _d 0 * 12. _d 0 ! mg Chl a/mmol C
249     Cloern_A = 0.0154 _d 0 * 12. _d 0 ! mg Chl a/mmol C
250     Cloern_B = 0.050 _d 0 ! (degree C)^{-1}
251     Cloern_C = 0.059 _d 0 * 86400. _d 0 / 1. _d 6 ! m^2 s/uEin
252    
253     READ(UNIT=iUnit,NML=DARWIN_CHL)
254     #endif /* DAR_DIAG_CHL */
255    
256     #ifdef ALLOW_CARBON
257     READ(UNIT=iUnit,NML=DIC_FORCING)
258     #endif
259    
260     #ifdef DAR_RADTRANS
261     #ifndef DAR_NONSPECTRAL_BACKSCATTERING_RATIO
262     DO i=1,tnabp
263     IF ( darwin_bbphy(i) .NE. 0 _d 0 ) THEN
264     WRITE(msgBuf,'(2A)') 'S/R DARWIN_READPARMS:',
265     & 'darwin_bbphy is obsolete.'
266     CALL PRINT_ERROR( msgBuf , 1)
267     WRITE(msgBuf,'(2A)') 'S/R DARWIN_READPARMS:',
268     & 'Backscattering coefficients are now read from'
269     CALL PRINT_ERROR( msgBuf , 1)
270     WRITE(msgBuf,'(2A)') 'S/R DARWIN_READPARMS:',
271     & 'darwin_phytoabsorbFile.'
272     CALL PRINT_ERROR( msgBuf , 1)
273     ENDIF
274     ENDDO
275     #endif
276     #endif
277    
278     #if defined(WAVEBANDS) || defined(OASIM)
279     READ(UNIT=iUnit,NML=DARWIN_SPECTRAL_PARM,IOSTAT=errIO)
280     IF ( errIO .LT. 0 ) THEN
281     WRITE(msgBuf,'(A)')
282     & 'S/R DARWIN_READPARMS'
283     CALL PRINT_ERROR( msgBuf , 1)
284     WRITE(msgBuf,'(A)')
285     & 'Error reading darwin package'
286     CALL PRINT_ERROR( msgBuf , 1)
287     WRITE(msgBuf,'(A)')
288     & 'parameter file "data.darwin"'
289     CALL PRINT_ERROR( msgBuf , 1)
290     WRITE(msgBuf,'(A)')
291     & 'Problem in namelist DARWIN_SPECTRAL_PARM'
292     CALL PRINT_ERROR( msgBuf , 1)
293     STOP 'ABNORMAL END: S/R DARWIN_READPARMS'
294     ENDIF
295     #endif
296    
297     WRITE(msgBuf,'(A)')
298     & ' DARWIN_READPARMS: finished reading data.darwin'
299     CALL PRINT_MESSAGE(msgBuf, standardMessageUnit,
300     & SQUEEZE_RIGHT , 1)
301    
302     C Close the open data file
303     CLOSE(iUnit)
304    
305     #if defined(WAVEBANDS) || defined(OASIM)
306     c Quanta conversion
307     planck = 6.6256 _d -34 !Plancks constant J sec
308     c = 2.998 _d 8 !speed of light m/sec
309     hc = 1.0/(planck*c)
310     oavo = 1.0/6.023 _d 23 ! 1/Avogadros number
311     hcoavo = hc*oavo
312     do ilam = 1,tlam
313     rlamm = darwin_waves(ilam)*1 _d -9 !lambda in m
314     WtouEins(ilam) = 1 _d 6*rlamm*hcoavo !Watts to uEin/s conversion
315     enddo
316     #endif
317    
318     C-- Print a summary of parameter values:
319     iUnit = standardMessageUnit
320     WRITE(msgBuf,'(A)') '// ==================================='
321     CALL PRINT_MESSAGE( msgBuf, iUnit, SQUEEZE_RIGHT , myThid )
322     WRITE(msgBuf,'(A)') '// darwin parameters '
323     CALL PRINT_MESSAGE( msgBuf, iUnit, SQUEEZE_RIGHT , myThid )
324     WRITE(msgBuf,'(A)') '// ==================================='
325     CALL PRINT_MESSAGE( msgBuf, iUnit, SQUEEZE_RIGHT , myThid )
326     CALL WRITE_0D_I( darwin_seed, INDEX_NONE,
327     & 'darwin_seed =',
328     & ' /* seed for random number generator */')
329    
330     WRITE(msgBuf,'(A)') ' -----------------------------------'
331     CALL PRINT_MESSAGE( msgBuf, iUnit, SQUEEZE_RIGHT, myThid )
332    
333     #if defined(WAVEBANDS) || defined(OASIM)
334     CALL WRITE_1D_I( darwin_waves, tlam, 0,
335     & 'darwin_waves =',
336     &' /* "central" wavelengths of wavebands */')
337     #endif
338     #ifdef WAVEBANDS
339     #ifdef DAR_CALC_ACDOM
340     CALL WRITE_0D_RL( darwin_Sdom, INDEX_NONE,
341     & 'darwin_Sdom =',
342     &' /* spectral slope for aCDOM */')
343     #endif
344     #ifdef DAR_DIAG_ACDOM
345     CALL WRITE_0D_I( darwin_diag_acdom_ilam, INDEX_NONE,
346     & 'darwin_diag_acdom_ilam =',
347     &' /* waveband to use for aCDOM diagnostic */')
348     #endif
349     #ifdef DAR_RADTRANS
350     CALL WRITE_0D_I( darwin_PAR_ilamLo, INDEX_NONE,
351     & 'darwin_PAR_ilamLo =',
352     &' /* waveband index of PAR lower bound */')
353     CALL WRITE_0D_I( darwin_PAR_ilamHi, INDEX_NONE,
354     & 'darwin_PAR_ilamHi =',
355     &' /* waveband index of PAR upper bound */')
356     CALL WRITE_0D_RL( darwin_radmodThresh, INDEX_NONE,
357     & 'darwin_radmodThresh =',
358     &' /* threshold for calling radmod (W/m2/waveband) */')
359     CALL WRITE_0D_RL( darwin_Dmax, INDEX_NONE,
360     & 'darwin_Dmax =',
361     &' /* depth at which Ed is assumed zero */')
362     CALL WRITE_0D_RL( darwin_rmus, INDEX_NONE,
363     & 'darwin_rmus =',
364     &' /* inverse average cosine of downward diffuse irradiance */')
365     CALL WRITE_0D_RL( darwin_rmuu, INDEX_NONE,
366     & 'darwin_rmuu =',
367     &' /* inverse average cosine of upward diffuse irradiance */')
368     CALL WRITE_0D_RL( darwin_bbw, INDEX_NONE,
369     & 'darwin_bbw =',
370     &' /* backscattering to forward scattering ratio for water */')
371     CALL WRITE_0D_RL( darwin_bbmin, INDEX_NONE,
372     & 'darwin_bbmin =',
373     &' /* minimum backscattering coefficient (1/m) */')
374     CALL WRITE_1D_RL( darwin_bbphy, tnabp, 0,
375     & 'darwin_bbphy =',
376     &' /* backscattering to forward scattering ratio for phyto */')
377     CALL WRITE_0D_I( darwin_radtrans_kmax, INDEX_NONE,
378     & 'darwin_radtrans_kmax =',
379     &' /* deepest level in which to compute irradiances */')
380     CALL WRITE_0D_I( darwin_radtrans_niter, INDEX_NONE,
381     & 'darwin_radtrans_niter =',
382     &' /* number of "radtrans improvement" iterations */')
383     #endif /* DAR_RADTRANS */
384     #endif /* WAVEBANDS */
385    
386     WRITE(msgBuf,'(A)') ' ==================================='
387     CALL PRINT_MESSAGE( msgBuf, iUnit, SQUEEZE_RIGHT, myThid )
388    
389     _END_MASTER(myThid)
390    
391     C Everyone else must wait for the parameters to be loaded
392     _BARRIER
393    
394     #endif /* ALLOW_DARWIN */
395    
396     RETURN
397     END

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