/[MITgcm]/MITgcm_contrib/shelfice_remeshing/code/shelfice_readparms.F
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Revision 1.2 - (hide annotations) (download)
Fri Aug 7 10:35:32 2015 UTC (9 years, 11 months ago) by dgoldberg
Branch: MAIN
Changes since 1.1: +5 -1 lines
*** empty log message ***

1 dgoldberg 1.1 C $Header: /u/gcmpack/MITgcm/pkg/shelfice/shelfice_readparms.F,v 1.24 2015/04/22 21:33:58 dgoldberg Exp $
2     C $Name: $
3    
4     #include "SHELFICE_OPTIONS.h"
5    
6     CBOP
7     C !ROUTINE: SHELFICE_READPARMS
8    
9     C !INTERFACE: ==========================================================
10     SUBROUTINE SHELFICE_READPARMS( myThid )
11    
12     C !DESCRIPTION:
13     C Initialize SHELFICE parameters, read in data.shelfice
14    
15     C !USES: ===============================================================
16     IMPLICIT NONE
17     #include "SIZE.h"
18     #include "EEPARAMS.h"
19     #include "PARAMS.h"
20     #include "SHELFICE.h"
21     #ifdef ALLOW_COST
22     # include "SHELFICE_COST.h"
23     #endif /* ALLOW_COST */
24     #ifdef ALLOW_MNC
25     # include "MNC_PARAMS.h"
26     #endif
27    
28     C !INPUT PARAMETERS: ===================================================
29     C myThid :: thread number
30     INTEGER myThid
31    
32     C !OUTPUT PARAMETERS: ==================================================
33     C none
34    
35     #ifdef ALLOW_SHELFICE
36    
37     C !LOCAL VARIABLES: ====================================================
38     C iUnit :: unit number for I/O
39     C msgBuf :: message buffer
40     INTEGER iUnit
41     CHARACTER*(MAX_LEN_MBUF) msgBuf
42     CEOP
43    
44     NAMELIST /SHELFICE_PARM01/
45     & SHELFICEheatTransCoeff,
46     & SHELFICEsaltTransCoeff,
47     & SHELFICEMassStepping,
48     & rhoShelfice, SHELFICEkappa,
49     & SHELFICElatentHeat, SHELFICEHeatCapacity_Cp,
50     & SHELFICEDragLinear, SHELFICEDragQuadratic,
51     & SHELFICEthetaSurface,
52     & useISOMIPTD, no_slip_shelfice,
53     & SHELFICEconserve, SHELFICEboundaryLayer,
54     & SHELFICEwriteState,
55     & SHELFICE_dumpFreq,
56     & SHELFICE_taveFreq,
57     & SHELFICE_tave_mnc,
58     & SHELFICE_dump_mnc,
59     & SHELFICEtopoFile,
60     & SHELFICEmassFile, SHELFICEloadAnomalyFile,
61     & SHELFICEMassDynTendFile,
62     & SHELFICEDynMassOnly,
63     & SHELFICEadvDiffHeatFlux,
64     & SHELFICEuseGammaFrict,
65     & SHELFICERemeshFrequency,
66 dgoldberg 1.2 & SHELFICESplitThreshold,
67     & SHELFICEMergeThreshold,
68 dgoldberg 1.1 & shiCdrag, shiZetaN, shiRc,
69     & shiPrandtl, shiSchmidt, shiKinVisc
70     #ifdef ALLOW_COST
71     & , mult_shelfice
72     & , mult_shifwflx, wshifwflx0, shifwflx_errfile
73     #endif
74    
75     C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----|
76    
77     IF ( .NOT.useShelfIce ) THEN
78     C- pkg SHELFICE is not used
79     _BEGIN_MASTER(myThid)
80     C- Track pkg activation status:
81     SHELFICEisOn = .FALSE.
82     C print a (weak) warning if data.shelfice is found
83     CALL PACKAGES_UNUSED_MSG( 'useShelfIce', ' ', ' ' )
84     _END_MASTER(myThid)
85     RETURN
86     ENDIF
87    
88     _BEGIN_MASTER(myThid)
89    
90     C This routine has been called by the main model so we set our
91     C internal flag to indicate we are in business
92     SHELFICEisOn = .TRUE.
93    
94     C Set defaults values for parameters in SHELFICE.h
95     useISOMIPTD = .FALSE.
96     SHELFICEconserve = .FALSE.
97     SHELFICEboundaryLayer = .FALSE.
98     SHELFICEMassStepping = .FALSE.
99     SHELFICEDynMassOnly = .FALSE.
100     SHELFICEtopoFile = ' '
101     SHELFICEmassFile = ' '
102     SHELFICEloadAnomalyFile = ' '
103     SHELFICEMassDynTendFile = ' '
104     SHELFICElatentHeat = 334.0 _d 3
105     SHELFICEHeatCapacity_Cp = 2000.0 _d 0
106     rhoShelfIce = 917.0 _d 0
107     SHELFICEheatTransCoeff = 1.0 _d -04
108     SHELFICEsaltTransCoeff = UNSET_RL
109     SHELFICEkappa = 1.54 _d -06
110     SHELFICEthetaSurface = - 20.0 _d 0
111     no_slip_shelfice = no_slip_bottom
112     SHELFICEDragLinear = bottomDragLinear
113     SHELFICEDragQuadratic = UNSET_RL
114     SHELFICEselectDragQuadr = -1
115     SHELFICEwriteState = .FALSE.
116     SHELFICE_dumpFreq = dumpFreq
117     SHELFICE_taveFreq = taveFreq
118     SHELFICEadvDiffHeatFlux = .FALSE.
119     SHELFICEuseGammaFrict = .FALSE.
120 dgoldberg 1.2 SHELFICERemeshFrequency = 2592000.
121     SHELFICESplitThreshold = 5
122     SHELFICEMergeThreshold = -8
123 dgoldberg 1.1 C these params. are default of Holland and Jenkins (1999)
124     shiCdrag = 0.0015 _d 0
125     shiZetaN = 0.052 _d 0
126     shiRc = 0.2 _d 0
127     shiPrandtl = 13.8 _d 0
128     shiSchmidt = 2432.0 _d 0
129     shiKinVisc = 1.95 _d -6
130     #ifdef ALLOW_COST
131     mult_shelfice = 0. _d 0
132     mult_shifwflx = 0. _d 0
133     wshifwflx0 = 0. _d 0
134     shifwflx_errfile = ' '
135     #endif
136     #ifdef ALLOW_MNC
137     SHELFICE_tave_mnc = timeave_mnc
138     SHELFICE_dump_mnc = snapshot_mnc
139     #else
140     SHELFICE_tave_mnc = .FALSE.
141     SHELFICE_dump_mnc = .FALSE.
142     #endif
143    
144     C Open and read the data.shelfice file
145     WRITE(msgBuf,'(A)') ' SHELFICE_READPARMS: opening data.shelfice'
146     CALL PRINT_MESSAGE(msgBuf, standardMessageUnit,
147     & SQUEEZE_RIGHT, myThid )
148     CALL OPEN_COPY_DATA_FILE(
149     I 'data.shelfice', 'SHELFICE_READPARMS',
150     O iUnit,
151     I myThid )
152     READ(UNIT=iUnit,NML=SHELFICE_PARM01)
153     WRITE(msgBuf,'(A)')
154     & ' SHELFICE_READPARMS: finished reading data.shelfice'
155     CALL PRINT_MESSAGE(msgBuf, standardMessageUnit,
156     & SQUEEZE_RIGHT, myThid )
157    
158     C Close the open data file
159     CLOSE(iUnit)
160    
161     C Now set-up any remaining parameters that result from the input parameters
162     IF ( SHELFICEsaltTransCoeff .EQ. UNSET_RL )
163     & SHELFICEsaltTransCoeff =
164     & 5.05 _d -3 *SHELFICEheatTransCoeff
165    
166     C Set quadratic bottom drag depending on choices:
167     IF ( SHELFICEDragQuadratic .EQ. UNSET_RL) THEN
168     IF ( SHELFICEuseGammaFrict ) THEN
169     SHELFICEDragQuadratic = shiCdrag
170     ELSE
171     SHELFICEDragQuadratic = bottomDragQuadratic
172     ENDIF
173     ENDIF
174     IF ( SHELFICEDragQuadratic.EQ.0. _d 0 ) THEN
175     SHELFICEselectDragQuadr = -1
176     ELSEIF ( SHELFICEselectDragQuadr.EQ.-1 ) THEN
177     SHELFICEselectDragQuadr = MAX( 0, selectBotDragQuadr )
178     ENDIF
179    
180     C- Set Output type flags :
181     SHELFICE_tave_mdsio = .TRUE.
182     SHELFICE_dump_mdsio = .TRUE.
183     #ifdef ALLOW_MNC
184     IF (useMNC) THEN
185     IF ( .NOT.outputTypesInclusive
186     & .AND. SHELFICE_tave_mnc ) SHELFICE_tave_mdsio = .FALSE.
187     IF ( .NOT.outputTypesInclusive
188     & .AND. SHELFICE_dump_mnc ) SHELFICE_dump_mdsio = .FALSE.
189     ENDIF
190     #endif
191    
192     _END_MASTER(myThid)
193     C Everyone else must wait for the parameters to be loaded
194     _BARRIER
195    
196     #endif /* ALLOW_SHELFICE */
197    
198     RETURN
199     END

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