/[MITgcm]/MITgcm/pkg/shelfice/SHELFICE.h
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revision 1.16 by jmc, Mon Jan 12 17:35:30 2015 UTC revision 1.17 by mlosch, Sat Feb 14 16:07:59 2015 UTC
# Line 20  C     SHELFICEtopoFile         :: File c Line 20  C     SHELFICEtopoFile         :: File c
20  C                                 shelfice draught (unit=m)  C                                 shelfice draught (unit=m)
21  C     SHELFICEmassFile         :: name of shelfice Mass file  C     SHELFICEmassFile         :: name of shelfice Mass file
22  C     SHELFICEloadAnomalyFile  :: name of shelfice load anomaly file  C     SHELFICEloadAnomalyFile  :: name of shelfice load anomaly file
23  C     SHELFICEMassDynTendFile  :: file name for other mass tendency (e.g. dynamics)  C     SHELFICEMassDynTendFile  :: file name for other mass tendency
24  C     SHELFICEDragLinear       :: linear drag at bottom shelfice (1/s)  C                                 (e.g. dynamics)
25  C     SHELFICEDragQuadratic    :: quadratic drag at bottom shelfice (1/m)  C     useISOMIPTD              :: use simple ISOMIP thermodynamics, def: F
 C     SHELFICEheatTransCoeff   :: heat transfer coefficient that determines  
 C                                 heat flux into shelfice (m/s)  
 C     SHELFICEsaltTransCoeff   :: salinity transfer coefficient that determines  
 C                                 salt flux into shelfice (m/s)  
 C     SHELFICElatentHeat       :: latent heat of fusion (J/kg)  
 C     useISOMIPTD              :: use simple ISOMIP thermodynamics  
26  C     SHELFICEconserve         :: use conservative form of H&O-thermodynamics  C     SHELFICEconserve         :: use conservative form of H&O-thermodynamics
27  C                                 following Jenkins et al. (2001, JPO)  C                                 following Jenkins et al. (2001, JPO), def: F
28  C     SHELFICEMassStepping     :: flag to step forward ice shelf mass/thickness  C     SHELFICEMassStepping     :: flag to step forward ice shelf mass/thickness
29  C                                 accounts for melting/freezing & dynamics (from  C                                 accounts for melting/freezing & dynamics
30  C                                 file or from coupling)  C                                 (from file or from coupling), def: F
31  C     SHELFICEboundaryLayer    :: turn on vertical merging of cells to for a  C     SHELFICEboundaryLayer    :: turn on vertical merging of cells to for a
32  C                                 boundary layer of drF thickness  C                                 boundary layer of drF thickness, def: F
33  C     SHELFICEadvDiffHeatFlux  :: use advective-diffusive heat flux into the ice shelf  C     SHELFICEadvDiffHeatFlux  :: use advective-diffusive heat flux into the
34  C                                 instead of diffusive heat flux (default), see Holland  C                                 ice shelf instead of default diffusive heat
35  C                                 and Jenkins (1999), eq.21,22,26,31  C                                 flux, see Holland and Jenkins (1999),
36    C                                 eq.21,22,26,31; def: F
37    C     SHELFICEheatTransCoeff   :: constant heat transfer coefficient that
38    C                                 determines heat flux into shelfice
39    C                                 (def: 1e-4 m/s)
40    C     SHELFICEsaltTransCoeff   :: constant salinity transfer coefficient that
41    C                                 determines salt flux into shelfice
42    C                                 (def: 5.05e-3 * 1e-4 m/s)
43    C     -----------------------------------------------------------------------
44  C     SHELFICEuseGammaFrict    :: use velocity dependent exchange coefficients,  C     SHELFICEuseGammaFrict    :: use velocity dependent exchange coefficients,
45  C                                 see Holland and Jenkins (1999), eq.11-18  C                                 see Holland and Jenkins (1999), eq.11-18,
46    C                                 with the following parameters (def: F):
47    C     shiCdrag                 :: quadratic drag coefficient to compute uStar
48    C                                 (def: 0.0015)
49    C     shiZetaN                 :: ??? (def: 0.052)
50    C     shiRc                    :: ??? (not used, def: 0.2)
51    C     shiPrandtl, shiSchmidt   :: constant Prandtl (13.8) and Schmidt (2432.0)
52    C                                 numbers used to compute gammaTurb
53    C     shiKinVisc               :: constant kinetic viscosity used to compute
54    C                                 gammaTurb (def: 1.95e-5)
55    C     -----------------------------------------------------------------------
56    C     SHELFICEDragLinear       :: linear drag at bottom shelfice (1/s)
57    C     SHELFICEDragQuadratic    :: quadratic drag at bottom shelfice (default
58    C                                 = shiCdrag or bottomDragQuadratic)
59  C     no_slip_shelfice         :: set slip conditions for shelfice separately,  C     no_slip_shelfice         :: set slip conditions for shelfice separately,
60  C                                 (by default the same as no_slip_bottom)  C                                 (by default the same as no_slip_bottom, but
61    C                                 really should be false when there is linear
62    C                                 or quadratic drag)
63    C     SHELFICElatentHeat       :: latent heat of fusion (def: 334000 J/kg)
64  C     SHELFICEwriteState       :: enable output  C     SHELFICEwriteState       :: enable output
65    C     SHELFICEHeatCapacity_Cp  :: heat capacity of ice shelf (def: 2000 J/K/kg)
66    C     rhoShelfIce              :: density of ice shelf (def: 917.0 kg/m^3)
67    C
68  C     SHELFICE_dump_mnc        :: use netcdf for snapshot output  C     SHELFICE_dump_mnc        :: use netcdf for snapshot output
69  C     SHELFICE_tave_mnc        :: use netcdf for time-averaged output  C     SHELFICE_tave_mnc        :: use netcdf for time-averaged output
70  C     SHELFICE_dumpFreq        :: analoguous to dumpFreq (= default)  C     SHELFICE_dumpFreq        :: analoguous to dumpFreq (= default)
# Line 52  C Line 73  C
73  C--   Fields  C--   Fields
74  C     ktopC                  :: index of the top "wet cell" (2D)  C     ktopC                  :: index of the top "wet cell" (2D)
75  C     R_shelfIce             :: shelfice topography [m]  C     R_shelfIce             :: shelfice topography [m]
76  C     shelficeMassInit       :: ice-shelf mass (per unit area) [kg/m^2]  C     shelficeMassInit       :: ice-shelf mass (per unit area) (kg/m^2)
77  C     shelficeMass           :: ice-shelf mass (per unit area) [kg/m^2]  C     shelficeMass           :: ice-shelf mass (per unit area) (kg/m^2)
78  C     shelfIceMassDynTendency :: other mass balance tendency  [kg/m^2/s]  C     shelfIceMassDynTendency :: other mass balance tendency  (kg/m^2/s)
79  C                            ::  (e.g., from dynamics)  C                            ::  (e.g., from dynamics)
80  C     shelficeLoadAnomaly    :: pressure load anomaly of shelfice [Pa]  C     shelficeLoadAnomaly    :: pressure load anomaly of shelfice (Pa)
81  C     shelficeHeatFlux       :: upward heat flux [W/m^2]  C     shelficeHeatFlux       :: upward heat flux (W/m^2)
82  C     shelficeFreshWaterFlux :: upward fresh water flux (virt. salt flux) [kg/m^2/s]  C     shelficeFreshWaterFlux :: upward fresh water flux (virt. salt flux)
83    C                               (kg/m^2/s)
84  C     shelficeForcingT       :: analogue of surfaceForcingT  C     shelficeForcingT       :: analogue of surfaceForcingT
85  C                               units are  r_unit.Kelvin/s (=Kelvin.m/s if r=z)  C                               units are  r_unit.Kelvin/s (=Kelvin.m/s if r=z)
86  C     shelficeForcingS       :: analogue of surfaceForcingS  C     shelficeForcingS       :: analogue of surfaceForcingS
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