pism::energy Namespace Reference

Energy balance models and utilities. More...

Classes
class	BedrockColumn
struct	BTUGrid
class	BedThermalUnit
	Given the temperature of the top of the bedrock, for the duration of one time-step, provides upward geothermal flux at that interface at the end of the time-step. More...
class	BTU_geothermal_flux_at_ground_level
class	BTU_Full
	Given the temperature of the top of the bedrock, for the duration of one time-step, provides upward geothermal flux at that interface at the end of the time-step. More...
class	BTU_Minimal
class	CHSystem
class	DrainageCalculator
	Compute the rate of drainage D(omega) for temperate ice. More...
class	LiquifiedIceFlux
	Ice loss "flux" due to ice liquefaction. More...
class	Inputs
class	EnergyModelStats
class	EnergyModel
class	EnthalpyModel
	The enthalpy-based energy balance model. More...
class	DummyEnergyModel
	The "dummy" energy balance model. Reads in enthalpy from a file, but does not update it. More...
class	enthSystemCtx
	Tridiagonal linear system for conservation of energy in vertical column of ice enthalpy. More...
class	TemperatureModel
class	tempSystemCtx
	Tridiagonal linear system for vertical column of temperature-based conservation of energy problem. More...
class	EnthalpyModel_Regional
	The enthalpy-based energy balance model for regional runs. More...
class	BTU_Verification
class	TemperatureModel_Verification
	Temperature-based energy balance model with verification-specific initialization code. More...

Functions
double	ice_temperature_guess (EnthalpyConverter::Ptr EC, double H, double z, double T_surface, double G, double ice_k)
double	ice_temperature_guess_smb (EnthalpyConverter::Ptr EC, double H, double z, double T_surface, double G, double ice_k, double K, double SMB)
void	cryo_hydrologic_warming_flux (double k, double R, const IceModelVec2S &ice_thickness, const IceModelVec3 &ice_enthalpy, const IceModelVec3 &ch_enthalpy, IceModelVec3 &result)
static void	check_input (const IceModelVec *ptr, const char *name)
bool	marginal (const IceModelVec2S &thickness, int i, int j, double threshold)
static double	upwind (double u, double E_m, double E, double E_p, double delta_inverse)
void	compute_enthalpy_cold (const IceModelVec3 &temperature, const IceModelVec2S &ice_thickness, IceModelVec3 &result)
	Compute ice enthalpy from temperature temperature by assuming the ice has zero liquid fraction. More...
void	compute_temperature (const IceModelVec3 &enthalpy, const IceModelVec2S &ice_thickness, IceModelVec3 &result)
void	compute_enthalpy (const IceModelVec3 &temperature, const IceModelVec3 &liquid_water_fraction, const IceModelVec2S &ice_thickness, IceModelVec3 &result)
	Compute result (enthalpy) from temperature and liquid fraction. More...
void	compute_liquid_water_fraction (const IceModelVec3 &enthalpy, const IceModelVec2S &ice_thickness, IceModelVec3 &result)
	Compute the liquid fraction corresponding to enthalpy and ice_thickness. More...
void	compute_cts (const IceModelVec3 &ice_enthalpy, const IceModelVec2S &ice_thickness, IceModelVec3 &result)
	Compute the CTS field, CTS = E/E_s(p), from ice_enthalpy and ice_thickness, and put in result. More...
double	total_ice_enthalpy (double thickness_threshold, const IceModelVec3 &ice_enthalpy, const IceModelVec2S &ice_thickness)
	Computes the total ice enthalpy in J. More...
void	bootstrap_ice_temperature (const IceModelVec2S &ice_thickness, const IceModelVec2S &ice_surface_temp, const IceModelVec2S &surface_mass_balance, const IceModelVec2S &basal_heat_flux, IceModelVec3 &result)
	Create a temperature field within the ice from provided ice thickness, surface temperature, surface mass balance, and geothermal flux. More...
void	bootstrap_ice_enthalpy (const IceModelVec2S &ice_thickness, const IceModelVec2S &ice_surface_temp, const IceModelVec2S &surface_mass_balance, const IceModelVec2S &basal_heat_flux, IceModelVec3 &result)

Variables
static const double	ApforG = 200
static const double	LforFG = 750000
static const double	ST = 1.67e-5
static const double	Tmin = 223.15

Detailed Description

Energy balance models and utilities.