39 #define STR2(x) STR1(x) 40 #define SN_VERSION STR2( _VERSION ) 44 #define INIT_STABILITY 999. 52 const double pi = 3.14159265358979323846;
53 const double g = 9.80665;
125 const double big = 1.0e200;
const double triple_point_p
(Pa)
Definition: Constants.h:112
const double density_air
Approximation: use ideal gas law.
Definition: Constants.h:75
const double glacier_albedo
Definition: Constants.h:67
const double undefined
This is the snowpack undefined value.
Definition: Constants.h:47
const double freezing_tk
(K)
Definition: Constants.h:110
const double triple_point_t
(K)
Definition: Constants.h:111
const size_t stundefined
Definition: Constants.h:49
const double specific_heat_ice
at T = 0 degC
Definition: Constants.h:88
const double g
Definition: Constants.h:53
const double max_albedo
Definition: Constants.h:66
const double conductivity_ice
(W m-1 K-1)
Definition: Constants.h:95
const double eps
Small numbers for comparisons and to avoid divisions by zero.
Definition: Constants.h:123
const double gas_constant_mol
(J mol-1 K-1)
Definition: Constants.h:60
const double gas_constant
(J mol-1 K-1)
Definition: Constants.h:58
const double lh_sublimation
(J kg-1) (solid to vapor)
Definition: Constants.h:113
const double min_albedo
Definition: Constants.h:65
const double emissivity_snow
Definition: Constants.h:71
const double density_ice
At T = 0 degC.
Definition: Constants.h:76
const double density_vapor
Definition: Constants.h:78
const double specific_heat_air
see Stull "Meteorology for scientists and engineers" p44
Definition: Constants.h:90
const double max_rho
Definition: Constants.h:82
const double big
used for Dirichlet boundary conditions
Definition: Constants.h:125
const double pi
Definition: Constants.h:52
const double conductivity_air
(W m-1 K-1)
Definition: Constants.h:97
const double conductivity_water
(W m-1 K-1)
Definition: Constants.h:96
const double min_percent_values
Definition: Constants.h:50
const double specific_heat_water
at T = 0 degC
Definition: Constants.h:89
Definition: Constants.h:46
const double melting_tk
(K)
Definition: Constants.h:109
const double stefan_boltzmann
Definition: Constants.h:54
const double min_slope_angle
Smallest angle a flat field may show (deg)
Definition: Constants.h:120
const double min_rho
Definition: Constants.h:81
const double diffusion_coefficient_in_snow
It is larger (see Colbeck) according to work prior to 2008!
Definition: Constants.h:104
const double density_water
At T = 0 degC.
Definition: Constants.h:77
const double diffusion_coefficient_in_air
This value was taken from: Colbeck, S.C., 1993. The vapor diffusion coefficient for snow...
Definition: Constants.h:103
const int iundefined
This is the snowpack undefined value.
Definition: Constants.h:48
const double karman
Karman constant.
Definition: Constants.h:61
const double lh_vaporization
(J kg-1) (liquid to vapor)
Definition: Constants.h:114
const double solcon
Total Solar Irradiance (W m-2) (Froehlich, 2006)
Definition: Constants.h:56
const double eps2
Definition: Constants.h:124
const double gas_constant_air
for air (J kg-1 K-1)
Definition: Constants.h:59
const double lh_fusion
(J kg-1) (solid to liquid)
Definition: Constants.h:115