/[MITgcm]/MITgcm/pkg/thsice/thsice_readparms.F
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Contents of /MITgcm/pkg/thsice/thsice_readparms.F

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Revision 1.10 - (show annotations) (download)
Mon Jul 24 20:30:54 2006 UTC (17 years, 10 months ago) by jmc
Branch: MAIN
CVS Tags: mitgcm_mapl_00, checkpoint58u_post, checkpoint58w_post, checkpoint58r_post, checkpoint58n_post, checkpoint58x_post, checkpoint58t_post, checkpoint58q_post, checkpoint58o_post, checkpoint58v_post, checkpoint58s_post, checkpoint58p_post
Changes since 1.9: +7 -5 lines
add parameter "tempSnowAlb" for temperature transition from cold-snow
    albedo to warm-snow albedo; default = -10.oC is unchanged.

1 C $Header: /u/gcmpack/MITgcm/pkg/thsice/thsice_readparms.F,v 1.9 2006/06/25 22:31:02 jmc Exp $
2 C $Name: $
3
4 #include "THSICE_OPTIONS.h"
5
6 CBOP
7 C !ROUTINE: THSICE_READPARMS
8 C !INTERFACE:
9 SUBROUTINE THSICE_READPARMS( myThid )
10
11 C !DESCRIPTION: \bv
12 C *==========================================================*
13 C | S/R THSICE_READPARMS
14 C | o Routine to initialize THSICE parameters and constants
15 C *==========================================================*
16 C | Initialize Th-Sea-ICE parameters, read in data.ice
17 C *==========================================================*
18 C \ev
19
20 C !USES:
21 IMPLICIT NONE
22
23 C === Global variables ===
24 #include "SIZE.h"
25 #include "EEPARAMS.h"
26 #include "PARAMS.h"
27 #include "GRID.h"
28 #include "THSICE_PARAMS.h"
29 #ifdef ALLOW_MNC
30 #include "MNC_PARAMS.h"
31 #endif
32
33 C !INPUT/OUTPUT PARAMETERS:
34 C === Routine arguments ===
35 INTEGER myThid
36 CEOP
37
38 #ifdef ALLOW_THSICE
39
40 C === Local variables ===
41 C msgBuf - Informational/error message buffer
42 C iUnit - Work variable for IO unit number
43 CHARACTER*(MAX_LEN_MBUF) msgBuf
44 INTEGER iUnit
45
46 C-- Th-Sea-ICE parameter
47 NAMELIST /THSICE_CONST/
48 & rhos, rhoi, rhosw, rhofw,
49 & cpice, cpwater,
50 & kice, ksnow,
51 & transcoef, Lfresh, qsnow,
52 & albColdSnow, albWarmSnow, tempSnowAlb,
53 & albOldSnow, hNewSnowAge, snowAgTime,
54 & albIceMax, albIceMin, hAlbIce, hAlbSnow,
55 & i0, ksolar,
56 & saltice, S_winton, mu_Tf,
57 & Tf0kel,
58 & himin, Terrmax, nitMaxTsf, hiMax, hsMax,
59 & iceMaskmax, iceMaskmin, himin0,
60 & frac_energy, hihig
61
62 NAMELIST /THSICE_PARM01/
63 & startIceModel, stepFwd_oceMxL,
64 & thSIce_deltaT, ocean_deltaT, tauRelax_MxL,
65 & hMxL_default, sMxL_default, vMxL_default,
66 & stressReduction,
67 & thSIce_taveFreq, thSIce_diagFreq, thSIce_monFreq,
68 & thSIce_tave_mnc, thSIce_snapshot_mnc, thSIce_mon_mnc,
69 & thSIce_pickup_read_mnc, thSIce_pickup_write_mnc,
70 & thSIceFract_InitFile, thSIceThick_InitFile,
71 & thSIceSnowH_InitFile, thSIceSnowA_InitFile,
72 & thSIceEnthp_InitFile, thSIceTsurf_InitFile
73
74 _BEGIN_MASTER(myThid)
75
76 WRITE(msgBuf,'(A)') ' THSICE_READPARMS: opening data.ice'
77 CALL PRINT_MESSAGE( msgBuf, standardMessageUnit,
78 & SQUEEZE_RIGHT , 1)
79
80 CALL OPEN_COPY_DATA_FILE(
81 I 'data.ice', 'THSICE_READPARMS',
82 O iUnit,
83 I myThid )
84
85 C-- Default values (constants)
86 rhos = 330. _d 0
87 rhoi = 900. _d 0
88 rhosw = rhoConst
89 rhofw = rhoConstFresh
90 cpice = 2106. _d 0
91 cpwater = HeatCapacity_Cp
92 kice = 2.03 _d 0
93 ksnow = 0.30 _d 0
94 transcoef=0.006 _d 0
95 Lfresh = 3.34 _d 5
96 qsnow = Lfresh
97 albColdSnow= 0.85 _d 0
98 albWarmSnow= 0.70 _d 0
99 tempSnowAlb= -10. _d 0
100 albOldSnow = 0.55 _d 0
101 albIceMax = 0.65 _d 0
102 albIceMin = 0.20 _d 0
103 hAlbIce = 0.50 _d 0
104 hAlbSnow = 0.30 _d 0
105 hNewSnowAge= 2. _d -3
106 snowAgTime = 50. _d 0 * 86400. _d 0
107 i0 = 0.3 _d 0
108 ksolar = 1.5 _d 0
109 saltice = 4. _d 0
110 S_winton = 1. _d 0
111 mu_Tf = 0.054 _d 0
112 Tf0kel = celsius2K
113 himin = 0.01 _d 0
114 Terrmax = 5.0 _d -1
115 nitMaxTsf= 20
116 hiMax = 10. _d 0
117 hsMax = 10. _d 0
118 iceMaskmax = 1. _d 0
119 iceMaskmin = .1 _d 0
120 himin0 = 0.2 _d 0
121 frac_energy= .4 _d 0
122 hihig = 2.5 _d 0
123
124 C-- Default values (parameters)
125 stepFwd_oceMxL = .FALSE.
126 startIceModel = 0
127 thSIce_deltaT = dTtracerLev(1)
128 ocean_deltaT = dTtracerLev(1)
129 tauRelax_MxL = 0. _d 0
130 hMxL_default = 50. _d 0
131 sMxL_default = 35. _d 0
132 vMxL_default = 5. _d -2
133 stressReduction = 1. _d 0
134 IF ( useSEAICE ) stressReduction = 0. _d 0
135 thSIce_taveFreq = taveFreq
136 thSIce_diagFreq = dumpFreq
137 thSIce_monFreq = monitorFreq
138 #ifdef ALLOW_MNC
139 thSIce_tave_mnc = timeave_mnc
140 thSIce_snapshot_mnc = snapshot_mnc
141 thSIce_mon_mnc = monitor_mnc
142 thSIce_pickup_read_mnc = pickup_read_mnc
143 thSIce_pickup_write_mnc = pickup_write_mnc
144 #else
145 thSIce_tave_mnc = .FALSE.
146 thSIce_snapshot_mnc = .FALSE.
147 thSIce_mon_mnc = .FALSE.
148 thSIce_pickup_read_mnc = .FALSE.
149 thSIce_pickup_write_mnc = .FALSE.
150 #endif
151 thSIceFract_InitFile = ' '
152 thSIceThick_InitFile = ' '
153 thSIceSnowH_InitFile = ' '
154 thSIceSnowA_InitFile = ' '
155 thSIceEnthp_InitFile = ' '
156 thSIceTsurf_InitFile = ' '
157
158
159 C-- Read parameters from open data file
160 READ(UNIT=iUnit,NML=THSICE_CONST)
161 WRITE(msgBuf,'(A)') ' THSICE_READPARMS: read THSICE_CONST'
162 CALL PRINT_MESSAGE( msgBuf, standardMessageUnit,
163 & SQUEEZE_RIGHT , 1)
164
165 READ(UNIT=iUnit,NML=THSICE_PARM01)
166 WRITE(msgBuf,'(A)') ' THSICE_READPARMS: read THSICE_PARM01'
167 CALL PRINT_MESSAGE( msgBuf, standardMessageUnit,
168 & SQUEEZE_RIGHT , 1)
169
170 C-- Close the open data file
171 CLOSE(iUnit)
172
173 C- Define other constants (from previous ones):
174 Tmlt1=-mu_Tf*S_winton
175 rhoiw = rhosw - rhoi
176
177 C Set I/O parameters
178 thSIce_tave_mdsio = .TRUE.
179 thSIce_snapshot_mdsio = .TRUE.
180 thSIce_mon_stdio = .TRUE.
181 thSIce_pickup_write_mdsio = .TRUE.
182 #ifdef ALLOW_MNC
183 IF (useMNC) THEN
184 IF ( .NOT.outputTypesInclusive
185 & .AND. thSIce_tave_mnc ) thSIce_tave_mdsio = .FALSE.
186 IF ( .NOT.outputTypesInclusive
187 & .AND. thSIce_snapshot_mnc )
188 & thSIce_snapshot_mdsio = .FALSE.
189 IF ( .NOT.outputTypesInclusive
190 & .AND. thSIce_mon_mnc ) thSIce_mon_stdio = .FALSE.
191 IF ( .NOT.outputTypesInclusive
192 & .AND. thSIce_pickup_write_mnc )
193 & thSIce_pickup_write_mdsio = .FALSE.
194 ENDIF
195 #endif
196
197 C-- Check parameter consistency:
198 IF ( useSEAICE .AND. stressReduction.NE.0. _d 0 ) THEN
199 C-- If useSEAICE=.true., the stress is computed in seaice_model,
200 C-- so that it does not need any further reduction
201 WRITE(msgBuf,'(2A)')
202 & 'THSICE_READPARMS: if useSEAICE, stress will be computed',
203 & ' by SEAICE pkg => no reduction'
204 CALL PRINT_MESSAGE( msgBuf, errorMessageUnit,
205 & SQUEEZE_RIGHT , myThid)
206 WRITE(msgBuf,'(A)')
207 & 'THSICE_READPARMS: WARNING: reset stressReduction to zero'
208 CALL PRINT_MESSAGE( msgBuf, errorMessageUnit,
209 & SQUEEZE_RIGHT , myThid)
210 stressReduction = 0. _d 0
211 ENDIF
212
213 C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----|
214 iUnit = standardMessageUnit
215 c CALL MDSFINDUNIT( iUnit, mythid )
216 c OPEN(iUnit,file='thsice_check_params',status='unknown')
217 WRITE(iUnit,*) 'ThSI: rhos =',rhos
218 WRITE(iUnit,*) 'ThSI: rhoi =',rhoi
219 WRITE(iUnit,*) 'ThSI: rhosw =',rhosw
220 WRITE(iUnit,*) 'ThSI: rhofw =',rhofw
221 WRITE(iUnit,*) 'ThSI: rhoiw =',rhoiw
222 WRITE(iUnit,*) 'ThSI: cpice =',cpice
223 WRITE(iUnit,*) 'ThSI: cpwater =',cpwater
224 WRITE(iUnit,*) 'ThSI: kice =',kice
225 WRITE(iUnit,*) 'ThSI: ksnow =',ksnow
226 WRITE(iUnit,*) 'ThSI: transcoef=',transcoef
227 WRITE(iUnit,*) 'ThSI: Lfresh =',Lfresh
228 WRITE(iUnit,*) 'ThSI: qsnow =',qsnow
229 WRITE(iUnit,*) 'ThSI: albColdSnow=',albColdSnow
230 WRITE(iUnit,*) 'ThSI: albWarmSnow=',albWarmSnow
231 WRITE(iUnit,*) 'ThSI: tempSnowAlb=',tempSnowAlb
232 WRITE(iUnit,*) 'ThSI: albOldSnow =',albOldSnow
233 WRITE(iUnit,*) 'ThSI: hNewSnowAge=',hNewSnowAge
234 WRITE(iUnit,*) 'ThSI: snowAgTime =',snowAgTime
235 WRITE(iUnit,*) 'ThSI: albIceMax =',albIceMax
236 WRITE(iUnit,*) 'ThSI: albIceMin =',albIceMin
237 WRITE(iUnit,*) 'ThSI: hAlbIce =',hAlbIce
238 WRITE(iUnit,*) 'ThSI: hAlbSnow =',hAlbSnow
239 WRITE(iUnit,*) 'ThSI: i0 =',i0
240 WRITE(iUnit,*) 'ThSI: ksolar =',ksolar
241 WRITE(iUnit,*) 'ThSI: saltice =',saltice
242 WRITE(iUnit,*) 'ThSI: S_winton=',S_winton
243 WRITE(iUnit,*) 'ThSI: mu_Tf =',mu_Tf
244 WRITE(iUnit,*) 'ThSI: Tf0kel =',Tf0kel
245 WRITE(iUnit,*) 'ThSI: Tmlt1 =',Tmlt1
246 WRITE(iUnit,*) 'ThSI: himin =',himin
247 WRITE(iUnit,*) 'ThSI: Terrmax =',Terrmax
248 WRITE(iUnit,*) 'ThSI: nitMaxTsf=',nitMaxTsf
249 WRITE(iUnit,*) 'ThSI: hiMax =',hiMax
250 WRITE(iUnit,*) 'ThSI: hsMax =',hsMax
251 WRITE(iUnit,*) 'ThSI: iceMaskmax=',iceMaskmax
252 WRITE(iUnit,*) 'ThSI: iceMaskmin=',iceMaskmin
253 WRITE(iUnit,*) 'ThSI: himin0 =',himin0
254 WRITE(iUnit,*) 'ThSI: frac_energy',frac_energy
255 WRITE(iUnit,*) 'ThSI: hihig =',hihig
256 WRITE(iUnit,*) 'ThSI: stressReduction =',stressReduction
257 WRITE(iUnit,*) 'ThSI: thSIce_deltaT =',thSIce_deltaT
258 WRITE(iUnit,*) 'ThSI: ocean_deltaT =',ocean_deltaT
259 WRITE(iUnit,*) 'ThSI: stepFwd_oceMxL=',stepFwd_oceMxL
260 WRITE(iUnit,*) 'ThSI: tauRelax_MxL =',tauRelax_MxL
261 WRITE(iUnit,*) 'ThSI: hMxL_default =',hMxL_default
262 WRITE(iUnit,*) 'ThSI: sMxL_default =',sMxL_default
263 WRITE(iUnit,*) 'ThSI: vMxL_default =',vMxL_default
264 WRITE(iUnit,*) 'ThSI: thSIce_taveFreq=',thSIce_taveFreq
265 WRITE(iUnit,*) 'ThSI: thSIce_diagFreq=',thSIce_diagFreq
266 WRITE(iUnit,*) 'ThSI: thSIce_monFreq =',thSIce_monFreq
267 WRITE(iUnit,*) 'ThSI: startIceModel =',startIceModel
268 IF (iUnit.NE.standardMessageUnit) CLOSE(iUnit)
269 C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----|
270
271 _END_MASTER(myThid)
272
273 C-- Everyone else must wait for the parameters to be loaded
274 _BARRIER
275
276 #endif /* ALLOW_THSICE */
277
278 RETURN
279 END

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