/[MITgcm]/MITgcm_contrib/dcarroll/highres_darwin/code/darwin_readparams.F
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Revision 1.1 - (hide annotations) (download)
Sun Sep 22 21:23:46 2019 UTC (5 years, 10 months ago) by dcarroll
Branch: MAIN
CVS Tags: HEAD
Initial check in of high resolution Darwin simulation code

1 dcarroll 1.1 C $Header: /u/gcmpack/MITgcm_contrib/ecco_darwin/v4_llc270/code_darwin/darwin_readparams.F,v 1.2 2019/08/26 05:33:09 dcarroll 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     & darwin_dicSurfFluxFile,
63     & darwin_alkSurfFluxFile,
64     & darwin_caSurfFluxFile,
65     #ifdef OASIM
66     & darwin_oasim_edFile, darwin_oasim_esFile,
67     #endif
68     & darwin_relaxscale,
69     & darwin_ForcingPeriod, darwin_ForcingCycle,
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_relaxscale=0. _d 0
138     darwin_seed=0
139     darwin_dicSurfFluxFile=' '
140     darwin_alkSurfFluxFile=' '
141     darwin_caSurfFluxFile=' '
142    
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    
222     #ifdef DAR_DIAG_CHL
223     C default values
224     C Geider: chl:c = max(chl2cmin, chl2cmax/(1+(chl2cmax*alphachl*PARday)/(2*Pcm)))
225     C Pcm = mu*limit*phytoTempFunction
226     Geider_smallalphachl = 2. _d -6 ! mmol C (mg Chl)-1 m2 (uEin)-1
227     Geider_Bigalphachl = 1. _d -6 ! mmol C (mg Chl)-1 m2 (uEin)-1
228     Geider_smallchl2cmax = 0.35 _d 0 ! mg Chl (mmol C)-1
229     Geider_Bigchl2cmax = 0.65 _d 0 ! mg Chl (mmol C)-1
230     Geider_smallchl2cmin = 0.003 _d 0 * 12. _d 0 ! mg Chl a/mmol C
231     Geider_Bigchl2cmin = 0.003 _d 0 * 12. _d 0 ! mg Chl a/mmol C
232    
233     C Doney: chl:c = (Bmax - (Bmax-Bmin)*MIN(1,PARday/PARstar))*limit
234     Doney_Bmax = 12. _d 0 / 37. _d 0 ! mg Chl a/mmol C
235     Doney_Bmin = 12. _d 0 / 90. _d 0 ! mg Chl a/mmol C
236     Doney_PARstar = 90. _d 0 / 0.2174 _d 0 ! uEin/m2/s
237    
238     C Cloern: chl:c = chl2cmin + A*exp(B*T)*exp(-C*PARday)*limit
239     Cloern_chl2cmin = 0.003 _d 0 * 12. _d 0 ! mg Chl a/mmol C
240     Cloern_A = 0.0154 _d 0 * 12. _d 0 ! mg Chl a/mmol C
241     Cloern_B = 0.050 _d 0 ! (degree C)^{-1}
242     Cloern_C = 0.059 _d 0 * 86400. _d 0 / 1. _d 6 ! m^2 s/uEin
243    
244     READ(UNIT=iUnit,NML=DARWIN_CHL)
245     #endif /* DAR_DIAG_CHL */
246    
247     #ifdef ALLOW_CARBON
248     READ(UNIT=iUnit,NML=DIC_FORCING)
249     #endif
250    
251     #ifdef DAR_RADTRANS
252     #ifndef DAR_NONSPECTRAL_BACKSCATTERING_RATIO
253     DO i=1,tnabp
254     IF ( darwin_bbphy(i) .NE. 0 _d 0 ) THEN
255     WRITE(msgBuf,'(2A)') 'S/R DARWIN_READPARMS:',
256     & 'darwin_bbphy is obsolete.'
257     CALL PRINT_ERROR( msgBuf , 1)
258     WRITE(msgBuf,'(2A)') 'S/R DARWIN_READPARMS:',
259     & 'Backscattering coefficients are now read from'
260     CALL PRINT_ERROR( msgBuf , 1)
261     WRITE(msgBuf,'(2A)') 'S/R DARWIN_READPARMS:',
262     & 'darwin_phytoabsorbFile.'
263     CALL PRINT_ERROR( msgBuf , 1)
264     ENDIF
265     ENDDO
266     #endif
267     #endif
268    
269     #if defined(WAVEBANDS) || defined(OASIM)
270     READ(UNIT=iUnit,NML=DARWIN_SPECTRAL_PARM,IOSTAT=errIO)
271     IF ( errIO .LT. 0 ) THEN
272     WRITE(msgBuf,'(A)')
273     & 'S/R DARWIN_READPARMS'
274     CALL PRINT_ERROR( msgBuf , 1)
275     WRITE(msgBuf,'(A)')
276     & 'Error reading darwin package'
277     CALL PRINT_ERROR( msgBuf , 1)
278     WRITE(msgBuf,'(A)')
279     & 'parameter file "data.darwin"'
280     CALL PRINT_ERROR( msgBuf , 1)
281     WRITE(msgBuf,'(A)')
282     & 'Problem in namelist DARWIN_SPECTRAL_PARM'
283     CALL PRINT_ERROR( msgBuf , 1)
284     STOP 'ABNORMAL END: S/R DARWIN_READPARMS'
285     ENDIF
286     #endif
287    
288     WRITE(msgBuf,'(A)')
289     & ' DARWIN_READPARMS: finished reading data.darwin'
290     CALL PRINT_MESSAGE(msgBuf, standardMessageUnit,
291     & SQUEEZE_RIGHT , 1)
292    
293     C Close the open data file
294     CLOSE(iUnit)
295    
296     #if defined(WAVEBANDS) || defined(OASIM)
297     c Quanta conversion
298     planck = 6.6256 _d -34 !Plancks constant J sec
299     c = 2.998 _d 8 !speed of light m/sec
300     hc = 1.0/(planck*c)
301     oavo = 1.0/6.023 _d 23 ! 1/Avogadros number
302     hcoavo = hc*oavo
303     do ilam = 1,tlam
304     rlamm = darwin_waves(ilam)*1 _d -9 !lambda in m
305     WtouEins(ilam) = 1 _d 6*rlamm*hcoavo !Watts to uEin/s conversion
306     enddo
307     #endif
308    
309     C-- Print a summary of parameter values:
310     iUnit = standardMessageUnit
311     WRITE(msgBuf,'(A)') '// ==================================='
312     CALL PRINT_MESSAGE( msgBuf, iUnit, SQUEEZE_RIGHT , myThid )
313     WRITE(msgBuf,'(A)') '// darwin parameters '
314     CALL PRINT_MESSAGE( msgBuf, iUnit, SQUEEZE_RIGHT , myThid )
315     WRITE(msgBuf,'(A)') '// ==================================='
316     CALL PRINT_MESSAGE( msgBuf, iUnit, SQUEEZE_RIGHT , myThid )
317     CALL WRITE_0D_I( darwin_seed, INDEX_NONE,
318     & 'darwin_seed =',
319     & ' /* seed for random number generator */')
320    
321     WRITE(msgBuf,'(A)') ' -----------------------------------'
322     CALL PRINT_MESSAGE( msgBuf, iUnit, SQUEEZE_RIGHT, myThid )
323    
324     #if defined(WAVEBANDS) || defined(OASIM)
325     CALL WRITE_1D_I( darwin_waves, tlam, 0,
326     & 'darwin_waves =',
327     &' /* "central" wavelengths of wavebands */')
328     #endif
329     #ifdef WAVEBANDS
330     #ifdef DAR_CALC_ACDOM
331     CALL WRITE_0D_RL( darwin_Sdom, INDEX_NONE,
332     & 'darwin_Sdom =',
333     &' /* spectral slope for aCDOM */')
334     #endif
335     #ifdef DAR_DIAG_ACDOM
336     CALL WRITE_0D_I( darwin_diag_acdom_ilam, INDEX_NONE,
337     & 'darwin_diag_acdom_ilam =',
338     &' /* waveband to use for aCDOM diagnostic */')
339     #endif
340     #ifdef DAR_RADTRANS
341     CALL WRITE_0D_I( darwin_PAR_ilamLo, INDEX_NONE,
342     & 'darwin_PAR_ilamLo =',
343     &' /* waveband index of PAR lower bound */')
344     CALL WRITE_0D_I( darwin_PAR_ilamHi, INDEX_NONE,
345     & 'darwin_PAR_ilamHi =',
346     &' /* waveband index of PAR upper bound */')
347     CALL WRITE_0D_RL( darwin_radmodThresh, INDEX_NONE,
348     & 'darwin_radmodThresh =',
349     &' /* threshold for calling radmod (W/m2/waveband) */')
350     CALL WRITE_0D_RL( darwin_Dmax, INDEX_NONE,
351     & 'darwin_Dmax =',
352     &' /* depth at which Ed is assumed zero */')
353     CALL WRITE_0D_RL( darwin_rmus, INDEX_NONE,
354     & 'darwin_rmus =',
355     &' /* inverse average cosine of downward diffuse irradiance */')
356     CALL WRITE_0D_RL( darwin_rmuu, INDEX_NONE,
357     & 'darwin_rmuu =',
358     &' /* inverse average cosine of upward diffuse irradiance */')
359     CALL WRITE_0D_RL( darwin_bbw, INDEX_NONE,
360     & 'darwin_bbw =',
361     &' /* backscattering to forward scattering ratio for water */')
362     CALL WRITE_0D_RL( darwin_bbmin, INDEX_NONE,
363     & 'darwin_bbmin =',
364     &' /* minimum backscattering coefficient (1/m) */')
365     CALL WRITE_1D_RL( darwin_bbphy, tnabp, 0,
366     & 'darwin_bbphy =',
367     &' /* backscattering to forward scattering ratio for phyto */')
368     CALL WRITE_0D_I( darwin_radtrans_kmax, INDEX_NONE,
369     & 'darwin_radtrans_kmax =',
370     &' /* deepest level in which to compute irradiances */')
371     CALL WRITE_0D_I( darwin_radtrans_niter, INDEX_NONE,
372     & 'darwin_radtrans_niter =',
373     &' /* number of "radtrans improvement" iterations */')
374     #endif /* DAR_RADTRANS */
375     #endif /* WAVEBANDS */
376    
377     WRITE(msgBuf,'(A)') ' ==================================='
378     CALL PRINT_MESSAGE( msgBuf, iUnit, SQUEEZE_RIGHT, myThid )
379    
380     _END_MASTER(myThid)
381    
382     C Everyone else must wait for the parameters to be loaded
383     _BARRIER
384    
385     #endif /* ALLOW_DARWIN */
386    
387     RETURN
388     END

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