/[MITgcm]/MITgcm/pkg/dic/dic_readparms.F
ViewVC logotype

Contents of /MITgcm/pkg/dic/dic_readparms.F

Parent Directory Parent Directory | Revision Log Revision Log | View Revision Graph Revision Graph


Revision 1.7 - (show annotations) (download)
Thu Apr 10 01:09:42 2008 UTC (16 years, 2 months ago) by jmc
Branch: MAIN
Changes since 1.6: +7 -3 lines
fix for multi-threaded environment

1 C $Header: /u/gcmpack/MITgcm/pkg/dic/dic_readparms.F,v 1.6 2008/04/09 20:08:14 dfer Exp $
2 C $Name: $
3
4 #include "DIC_OPTIONS.h"
5
6 CBOP
7 C !ROUTINE: DIC_READPARMS
8 C !INTERFACE: ==========================================================
9 SUBROUTINE DIC_READPARMS( myThid )
10
11 C !DESCRIPTION: \bv
12 C *==========================================================*
13 C | S/R DIC_READPARMS
14 C | o Initialise and read dic package parameters
15 C *==========================================================*
16 C \ev
17
18 C !USES:
19 IMPLICIT NONE
20
21 C === Global variables ===
22 #include "SIZE.h"
23 #include "EEPARAMS.h"
24 #include "PARAMS.h"
25 #include "DIC_VARS.h"
26
27 C !INPUT/OUTPUT PARAMETERS:
28 C === Routine arguments ===
29 C myThid :: My Thread Id. number
30 INTEGER myThid
31 CEOP
32
33 #ifdef ALLOW_DIC
34
35 C === Local variables ===
36 C msgBuf :: Informational/error message buffer
37 C iUnit :: Work variable for IO unit number
38 CHARACTER*(MAX_LEN_MBUF) msgBuf
39 INTEGER iUnit
40 INTEGER i,j,bi,bj
41 _RL alphaloc, rain_ratioloc
42
43 C- jmc: Add this local common bloc to fix the multi-threaded version
44 COMMON / DIC_READPARMS_LOCAL /
45 & alphaloc, rain_ratioloc
46
47 C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----|
48
49 C-- Abiotic dic parameters:
50 C permil :: set carbon mol/m3 <---> mol/kg conversion factor
51 C default permil = 1024.5 kg/m3
52 C Pa2Atm :: Conversion factor for atmospheric pressure pLoad (when coupled
53 C to atmospheric model) into Atm. Default assumes pLoad in Pascal
54 C 1 Atm = 1.01325e5 Pa = 1013.25 mb
55
56 NAMELIST /ABIOTIC_PARMS/ permil, Pa2Atm
57
58 #ifdef DIC_BIOTIC
59
60 C-- Biotic dic parameters:
61 C DOPfraction :: fraction of new production going to DOP
62 C KDOPRemin :: DOP remineralization rate (1/s) = 1/(6 month)
63 C KRemin :: remin power law coeff
64 C zcrit :: Minimum Depth (m) over which biological activity
65 C is computed --> determines nlev as the indice of the
66 C first layer deeper than -zcrit
67 C O2crit :: critical oxygen level (mol/m3)
68 C R_OP, R_CP :: stochiometric ratios
69 C R_NP, R_FeP
70 C zca :: scale depth for CaCO3 remineralization (m)
71 CC Parameters for light/nutrient limited bioac
72 C parfrac :: fraction of Qsw that is PAR
73 C k0 :: light attentuation coefficient (1/m)
74 C lit0 :: half saturation light constant (W/m2)
75 C KPO4 :: half saturation phosphate constant (mol/m3)
76 C KFE :: half saturation fe constant (mol/m3)
77 CC Iron chemisty values
78 C alpfe :: solubility of aeolian fe
79 C freefemax :: max solubility of free iron (mol/m3)
80 CC Control variables
81 C KScav :: iron scavenging rate QQ
82 C ligand_stab :: ligand-free iron stability constant (m3/mol)
83 C ligand_tot :: total free ligand (mol/m3)
84 C alpha :: timescale for biological activity
85 C read in alphaloc and filled in 2d array alpha
86 C rain_ratio :: inorganic/organic carbon rain ratio
87 C read in rain_ratioloc and filled in 2d array rain_ratio
88
89 NAMELIST /BIOTIC_PARMS/
90 & DOPfraction, KDOPRemin, KRemin, zcrit,
91 & O2crit, R_OP, R_CP, R_NP, R_FeP, zca,
92 & parfrac, k0, lit0, KPO4, KFE,
93 & alpfe, freefemax,
94 & KScav, ligand_stab, ligand_tot,
95 & alphaloc, rain_ratioloc
96 #endif
97
98 NAMELIST /DIC_FORCING/
99 & DIC_windFile, DIC_atmospFile, DIC_iceFile,
100 & DIC_ironFile, DIC_silicaFile,
101 & DIC_forcingPeriod, DIC_forcingCycle,
102 & dic_int1, dic_int2, dic_int3, dic_int4, dic_pCO2
103
104 C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----|
105
106 _BEGIN_MASTER(myThid)
107
108 permil = 1. _d 0 / 1024.5 _d 0
109 Pa2Atm = 1.01325 _d 5
110 #ifdef DIC_BIOTIC
111 DOPfraction = 0.67 _d 0
112 KDOPRemin = 1. _d 0/(6. _d 0*30. _d 0*86400. _d 0)
113 KRemin = 0.9 _d 0
114 zcrit = 500. _d 0
115 O2crit = 4. _d -3
116 R_OP =-170. _d 0
117 R_CP = 117. _d 0
118 R_NP = 16. _d 0
119 R_FeP = 0.000468 _d 0
120 zca = 3500. _d 0
121 parfrac = 0.4 _d 0
122 k0 = 0.02 _d 0
123 lit0 = 30. _d 0
124 KPO4 = 5. _d -4
125 KFE = 1.2 _d -7
126 alpfe = 0.01 _d 0
127 freefemax = 3. _d -7
128 KScav = 0.19 _d 0/(360. _d 0*86400. _d 0)
129 ligand_stab = 1. _d 8
130 ligand_tot = 1. _d -6
131 alphaloc = 2. _d -3/(360. _d 0 * 86400. _d 0)
132 rain_ratioloc = 7. _d -2
133 #endif
134 DIC_windFile = ' '
135 DIC_atmospFile= ' '
136 DIC_iceFile = ' '
137 DIC_ironFile = ' '
138 DIC_silicaFile= ' '
139 dic_int1 = 0
140 dic_int2 = 0
141 dic_int3 = 0
142 dic_int4 = 0
143 dic_pCO2 = 0. _d 0
144 c default periodic forcing to same as for physics
145 DIC_forcingPeriod = externForcingPeriod
146 DIC_forcingCycle = externForcingCycle
147
148 WRITE(msgBuf,'(A)') ' DIC_READPARMS: opening data.dic'
149 CALL PRINT_MESSAGE( msgBuf, standardMessageUnit,
150 I SQUEEZE_RIGHT, myThid )
151
152 CALL OPEN_COPY_DATA_FILE( 'data.dic', 'DIC_READPARMS',
153 O iUnit, myThid )
154
155 C-- Read parameters from open data file:
156
157 C- Abiotic parameters
158 READ(UNIT=iUnit,NML=ABIOTIC_PARMS)
159
160 #ifdef DIC_BIOTIC
161 C- Biotic parameters
162 READ(UNIT=iUnit,NML=BIOTIC_PARMS)
163 #endif
164
165 C- forcing filenames and parameters
166 READ(UNIT=iUnit,NML=DIC_FORCING)
167
168 WRITE(msgBuf,'(A)')
169 & ' DIC_READPARMS: finished reading data.dic'
170 CALL PRINT_MESSAGE( msgBuf, standardMessageUnit,
171 I SQUEEZE_RIGHT, myThid )
172
173 C-- Close the open data file
174 CLOSE(iUnit)
175
176 C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----|
177 C- derive other parameters:
178
179 #ifdef DIC_BIOTIC
180 QSW_underice = .FALSE.
181 #ifdef USE_QSW_UNDERICE
182 QSW_underice = .TRUE.
183 #elif (defined (USE_QSW))
184 C if using Qsw and seaice, then ice fraction is already
185 C taken into account
186 IF ( useSEAICE ) QSW_underice = .TRUE.
187 IF ( useThSIce ) QSW_underice = .TRUE.
188 #endif
189 #endif /* DIC_BIOTIC */
190
191 C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----|
192 C-- Print out parameter values :
193
194 iUnit = standardMessageUnit
195 WRITE(msgBuf,'(A)') ' '
196 CALL PRINT_MESSAGE(msgBuf,iUnit,SQUEEZE_RIGHT,myThid)
197 WRITE(msgBuf,'(A)') '// ==================================='
198 CALL PRINT_MESSAGE(msgBuf,iUnit,SQUEEZE_RIGHT,myThid)
199 WRITE(msgBuf,'(A)') '// DIC package parameters :'
200 CALL PRINT_MESSAGE(msgBuf,iUnit,SQUEEZE_RIGHT,myThid)
201 WRITE(msgBuf,'(A)') '// ==================================='
202 CALL PRINT_MESSAGE(msgBuf,iUnit,SQUEEZE_RIGHT,myThid)
203
204 C- namelist ABIOTIC_PARMS
205 CALL WRITE_0D_R8( permil, INDEX_NONE,'permil =',
206 & ' /* Ref. density to convert mol/m3 to mol/kg */')
207 CALL WRITE_0D_R8( Pa2Atm, INDEX_NONE,'Pa2Atm =',
208 & ' /* Atmosph. pressure conversion coeff (to Atm) */')
209
210 #ifdef DIC_BIOTIC
211 C- namelist BIOTIC_PARMS
212 CALL WRITE_0D_R8( DOPfraction, INDEX_NONE,'DOPfraction =',
213 & ' /* Fraction of new production going to DOP */')
214 CALL WRITE_0D_R8( KDOPRemin, INDEX_NONE,'KDOPRemin =',
215 & ' /* DOP remineralization rate (1/s) */')
216 CALL WRITE_0D_R8( KRemin, INDEX_NONE,'KRemin =',
217 & ' /* Remin power law coeff. */')
218 CALL WRITE_0D_R8( zcrit, INDEX_NONE,'zcrit =',
219 & ' /* Minimum depth for biological activity (m) */')
220 CALL WRITE_0D_R8( O2crit, INDEX_NONE,'O2crit =',
221 & ' /* Critical oxygen level (mol/m3) */')
222 CALL WRITE_0D_R8( R_OP, INDEX_NONE,'R_OP =',
223 & ' /* Stochiometric ratio R_OP */')
224 CALL WRITE_0D_R8( R_CP, INDEX_NONE,'R_CP =',
225 & ' /* Stochiometric ratio R_CP */')
226 CALL WRITE_0D_R8( R_NP, INDEX_NONE,'R_NP =',
227 & ' /* Stochiometric ratio R_NP */')
228 CALL WRITE_0D_R8( R_FeP, INDEX_NONE,'R_FeP =',
229 & ' /* Stochiometric ratio R_FeP */')
230 CALL WRITE_0D_R8( zca, INDEX_NONE,'zca =',
231 & ' /* Scale depth for CaCO3 remineralization (m) */')
232 CALL WRITE_0D_R8( parfrac, INDEX_NONE,'parfrac =',
233 & ' /* Fraction of Qsw that is PAR */')
234 CALL WRITE_0D_R8( k0, INDEX_NONE,'k0 =',
235 & ' /* Light attentuation coefficient (1/m) */')
236 CALL WRITE_0D_R8( lit0, INDEX_NONE,'lit0 =',
237 & ' /* Half saturation light constant (W/m2) */')
238 CALL WRITE_0D_R8( KPO4, INDEX_NONE,'KPO4 =',
239 & ' /* Half saturation phosphate constant (mol/m3) */')
240 CALL WRITE_0D_R8( KFE, INDEX_NONE,'KFE =',
241 & ' /* Half saturation fe constant (mol/m3) */')
242 CALL WRITE_0D_R8( alpfe, INDEX_NONE,'alpfe =',
243 & ' /* Solubility of aeolian fe */')
244 CALL WRITE_0D_R8( freefemax, INDEX_NONE,'freefemax =',
245 & ' /* Max solubility of free iron (mol/m3) */')
246 CALL WRITE_0D_R8( KScav, INDEX_NONE,'KScav =',
247 & ' /* Iron scavenging rate */')
248 CALL WRITE_0D_R8( ligand_stab, INDEX_NONE,'ligand_stab =',
249 & ' /* Ligand-free iron stability constant (m3/mol) */')
250 CALL WRITE_0D_R8( ligand_tot, INDEX_NONE,'ligand_tot =',
251 & ' /* Total free ligand (mol/m3) */')
252 CALL WRITE_0D_R8( alphaloc, INDEX_NONE,'alphaloc =',
253 & ' /* Timescale for biological activity */')
254 CALL WRITE_0D_R8( rain_ratioloc, INDEX_NONE,'rain_ratioloc =',
255 & ' /* Inorganic/organic carbon rain ratio */')
256
257 CALL WRITE_0D_L( QSW_underice, INDEX_NONE, 'QSW_underice =',
258 & ' /* Flag for Qsw under Sea-Ice (i.e. SI fract included) */')
259 #endif
260
261 C- namelist DIC_FORCING
262 CALL WRITE_0D_C( DIC_windFile, -1, INDEX_NONE, 'DIC_windFile =',
263 & ' /* File name of wind speeds */')
264 CALL WRITE_0D_C( DIC_atmospFile, -1,INDEX_NONE,'DIC_atmospFile=',
265 & ' /* File name of atmospheric pressure*/')
266 CALL WRITE_0D_C( DIC_iceFile, -1, INDEX_NONE, 'DIC_iceFile =',
267 & ' /* File name of seaice fraction */')
268 CALL WRITE_0D_C( DIC_ironFile, -1, INDEX_NONE, 'DIC_ironFile =',
269 & ' /* File name of aeolian iron flux */')
270 CALL WRITE_0D_C( DIC_silicaFile, -1,INDEX_NONE,'DIC_silicaFile=',
271 & ' /* File name of surface silica */')
272 CALL WRITE_0D_R8( DIC_forcingPeriod,
273 & INDEX_NONE,'DIC_forcingPeriod =',
274 & ' /* Periodic forcing parameter specific for DIC (s) */')
275 CALL WRITE_0D_R8( DIC_forcingCycle,
276 & INDEX_NONE,'DIC_forcingCycle =',
277 & ' /* Periodic forcing parameter specific for DIC (s) */')
278 CALL WRITE_0D_I( dic_int1, INDEX_NONE, 'dic_int1 =',
279 & ' /* */')
280 CALL WRITE_0D_I( dic_int2, INDEX_NONE, 'dic_int2 =',
281 & ' /* */')
282 CALL WRITE_0D_I( dic_int3, INDEX_NONE, 'dic_int3 =',
283 & ' /* */')
284 CALL WRITE_0D_I( dic_int4, INDEX_NONE, 'dic_int4 =',
285 & ' /* */')
286 CALL WRITE_0D_R8( dic_pCO2, INDEX_NONE,'dic_pCO2 =',
287 & ' /* Atmospheric pCO2 to be read in data.dic */')
288
289 C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----|
290
291 _END_MASTER(myThid)
292
293 C-- Everyone else must wait for the parameters to be loaded
294 _BARRIER
295
296 #ifdef DIC_BIOTIC
297 DO bj = myByLo(myThid), myByHi(myThid)
298 DO bi = myBxLo(myThid), myBxHi(myThid)
299 DO j=1-Oly,sNy+Oly
300 DO i=1-Olx,sNx+Olx
301 alpha(i,j,bi,bj) = alphaloc
302 rain_ratio(i,j,bi,bj)= rain_ratioloc
303 ENDDO
304 ENDDO
305 ENDDO
306 ENDDO
307 #endif /* DIC_BIOTIC */
308
309 C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----|
310
311 #endif /* ALLOW_DIC */
312
313 RETURN
314 END

  ViewVC Help
Powered by ViewVC 1.1.22