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;
120 const double big = 1.0e200;
Definition: Constants.h:46
const double density_air
Approximation: use ideal gas law.
Definition: Constants.h:77
const double density_ice
At T = 0 degC.
Definition: Constants.h:78
const size_t stundefined
Definition: Constants.h:49
const double pi
Definition: Constants.h:52
const double min_slope_angle
Smallest angle a flat field may show (deg)
Definition: Constants.h:115
const double conductivity_ice
(W m-1 K-1)
Definition: Constants.h:91
const double conductivity_water
(W m-1 K-1)
Definition: Constants.h:92
const int iundefined
This is the snowpack undefined value.
Definition: Constants.h:48
const double triple_point_p
(Pa)
Definition: Constants.h:107
const double stefan_boltzmann
Definition: Constants.h:54
const double specific_heat_air
see Stull "Meteorology for scientists and engineers" p44
Definition: Constants.h:86
const double emissivity_soil
Definition: Constants.h:72
const double eps
Small numbers for comparisons and to avoid divisions by zero.
Definition: Constants.h:118
const double diffusion_coefficient_in_air
This value was taken from: Colbeck, S.C., 1993. The vapor diffusion coefficient for snow,...
Definition: Constants.h:99
const double specific_heat_water
at T = 0 degC
Definition: Constants.h:85
const double undefined
This is the snowpack undefined value.
Definition: Constants.h:47
const double triple_point_t
(K)
Definition: Constants.h:106
const double max_albedo
Definition: Constants.h:66
const double conductivity_air
(W m-1 K-1)
Definition: Constants.h:93
const double density_water
At T = 0 degC.
Definition: Constants.h:79
const double diffusion_coefficient_in_snow
It is larger (see Colbeck) according to work prior to 2008!
Definition: Constants.h:100
const double min_albedo
Definition: Constants.h:65
const double solcon
Total Solar Irradiance (W m-2) (Froehlich, 2006)
Definition: Constants.h:56
const double gas_constant_mol
(J mol-1 K-1)
Definition: Constants.h:60
const double meltfreeze_tk
(K)
Definition: Constants.h:105
const double gas_constant_air
for air (J kg-1 K-1)
Definition: Constants.h:59
const double lh_sublimation
(J kg-1) (solid to vapor)
Definition: Constants.h:108
const double g
Definition: Constants.h:53
const double eps2
Definition: Constants.h:119
const double lh_vaporization
(J kg-1) (liquid to vapor)
Definition: Constants.h:109
const double gas_constant
(J kg-1 K-1)
Definition: Constants.h:58
const double specific_heat_ice
at T = 0 degC
Definition: Constants.h:84
const double karman
Karman constant.
Definition: Constants.h:61
const double big
used for Dirichlet boundary conditions
Definition: Constants.h:120
const double density_vapor
Approximation: use ideal gas law.
Definition: Constants.h:80
const double lh_fusion
(J kg-1) (solid to liquid)
Definition: Constants.h:110
const double glacier_albedo
Definition: Constants.h:67
const double emissivity_snow
Definition: Constants.h:71
const double min_percent_values
Definition: Constants.h:50