/[MITgcm]/MITgcm_contrib/shelfice_remeshing/code/shelfice_readparms.F
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Revision 1.1 - (hide annotations) (download)
Tue Jul 21 14:52:40 2015 UTC (10 years ago) by dgoldberg
Branch: MAIN
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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     & shiCdrag, shiZetaN, shiRc,
67     & shiPrandtl, shiSchmidt, shiKinVisc
68     #ifdef ALLOW_COST
69     & , mult_shelfice
70     & , mult_shifwflx, wshifwflx0, shifwflx_errfile
71     #endif
72    
73     C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----|
74    
75     IF ( .NOT.useShelfIce ) THEN
76     C- pkg SHELFICE is not used
77     _BEGIN_MASTER(myThid)
78     C- Track pkg activation status:
79     SHELFICEisOn = .FALSE.
80     C print a (weak) warning if data.shelfice is found
81     CALL PACKAGES_UNUSED_MSG( 'useShelfIce', ' ', ' ' )
82     _END_MASTER(myThid)
83     RETURN
84     ENDIF
85    
86     _BEGIN_MASTER(myThid)
87    
88     C This routine has been called by the main model so we set our
89     C internal flag to indicate we are in business
90     SHELFICEisOn = .TRUE.
91    
92     C Set defaults values for parameters in SHELFICE.h
93     useISOMIPTD = .FALSE.
94     SHELFICEconserve = .FALSE.
95     SHELFICEboundaryLayer = .FALSE.
96     SHELFICEMassStepping = .FALSE.
97     SHELFICEDynMassOnly = .FALSE.
98     SHELFICEtopoFile = ' '
99     SHELFICEmassFile = ' '
100     SHELFICEloadAnomalyFile = ' '
101     SHELFICEMassDynTendFile = ' '
102     SHELFICElatentHeat = 334.0 _d 3
103     SHELFICEHeatCapacity_Cp = 2000.0 _d 0
104     rhoShelfIce = 917.0 _d 0
105     SHELFICEheatTransCoeff = 1.0 _d -04
106     SHELFICEsaltTransCoeff = UNSET_RL
107     SHELFICEkappa = 1.54 _d -06
108     SHELFICEthetaSurface = - 20.0 _d 0
109     no_slip_shelfice = no_slip_bottom
110     SHELFICEDragLinear = bottomDragLinear
111     SHELFICEDragQuadratic = UNSET_RL
112     SHELFICEselectDragQuadr = -1
113     SHELFICEwriteState = .FALSE.
114     SHELFICE_dumpFreq = dumpFreq
115     SHELFICE_taveFreq = taveFreq
116     SHELFICEadvDiffHeatFlux = .FALSE.
117     SHELFICEuseGammaFrict = .FALSE.
118     SHELFICERemeshFrequency = 1/600.
119     C these params. are default of Holland and Jenkins (1999)
120     shiCdrag = 0.0015 _d 0
121     shiZetaN = 0.052 _d 0
122     shiRc = 0.2 _d 0
123     shiPrandtl = 13.8 _d 0
124     shiSchmidt = 2432.0 _d 0
125     shiKinVisc = 1.95 _d -6
126     #ifdef ALLOW_COST
127     mult_shelfice = 0. _d 0
128     mult_shifwflx = 0. _d 0
129     wshifwflx0 = 0. _d 0
130     shifwflx_errfile = ' '
131     #endif
132     #ifdef ALLOW_MNC
133     SHELFICE_tave_mnc = timeave_mnc
134     SHELFICE_dump_mnc = snapshot_mnc
135     #else
136     SHELFICE_tave_mnc = .FALSE.
137     SHELFICE_dump_mnc = .FALSE.
138     #endif
139    
140     C Open and read the data.shelfice file
141     WRITE(msgBuf,'(A)') ' SHELFICE_READPARMS: opening data.shelfice'
142     CALL PRINT_MESSAGE(msgBuf, standardMessageUnit,
143     & SQUEEZE_RIGHT, myThid )
144     CALL OPEN_COPY_DATA_FILE(
145     I 'data.shelfice', 'SHELFICE_READPARMS',
146     O iUnit,
147     I myThid )
148     READ(UNIT=iUnit,NML=SHELFICE_PARM01)
149     WRITE(msgBuf,'(A)')
150     & ' SHELFICE_READPARMS: finished reading data.shelfice'
151     CALL PRINT_MESSAGE(msgBuf, standardMessageUnit,
152     & SQUEEZE_RIGHT, myThid )
153    
154     C Close the open data file
155     CLOSE(iUnit)
156    
157     C Now set-up any remaining parameters that result from the input parameters
158     IF ( SHELFICEsaltTransCoeff .EQ. UNSET_RL )
159     & SHELFICEsaltTransCoeff =
160     & 5.05 _d -3 *SHELFICEheatTransCoeff
161    
162     C Set quadratic bottom drag depending on choices:
163     IF ( SHELFICEDragQuadratic .EQ. UNSET_RL) THEN
164     IF ( SHELFICEuseGammaFrict ) THEN
165     SHELFICEDragQuadratic = shiCdrag
166     ELSE
167     SHELFICEDragQuadratic = bottomDragQuadratic
168     ENDIF
169     ENDIF
170     IF ( SHELFICEDragQuadratic.EQ.0. _d 0 ) THEN
171     SHELFICEselectDragQuadr = -1
172     ELSEIF ( SHELFICEselectDragQuadr.EQ.-1 ) THEN
173     SHELFICEselectDragQuadr = MAX( 0, selectBotDragQuadr )
174     ENDIF
175    
176     C- Set Output type flags :
177     SHELFICE_tave_mdsio = .TRUE.
178     SHELFICE_dump_mdsio = .TRUE.
179     #ifdef ALLOW_MNC
180     IF (useMNC) THEN
181     IF ( .NOT.outputTypesInclusive
182     & .AND. SHELFICE_tave_mnc ) SHELFICE_tave_mdsio = .FALSE.
183     IF ( .NOT.outputTypesInclusive
184     & .AND. SHELFICE_dump_mnc ) SHELFICE_dump_mdsio = .FALSE.
185     ENDIF
186     #endif
187    
188     _END_MASTER(myThid)
189     C Everyone else must wait for the parameters to be loaded
190     _BARRIER
191    
192     #endif /* ALLOW_SHELFICE */
193    
194     RETURN
195     END

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