Detailed Description

The surface fluxes data as computed by Snowpack.

Note: Some of the most important results of the simulation are contained in these data structures

#include <DataClasses.h>

Public Types
enum	SN_MASS_CHANGES { MS_TOTALMASS , MS_SWE , MS_WATER , MS_WATER_SOIL , MS_ICE_SOIL , MS_HNW , MS_RAIN , MS_WIND , MS_EVAPORATION , MS_SUBLIMATION , MS_SNOWPACK_RUNOFF , MS_SURFACE_MASS_FLUX , MS_SOIL_RUNOFF , MS_FLOODING , MS_ICEBASE_MELTING_FREEZING , N_MASS_CHANGES }
	The different types of mass fluxes: Mass fluxes in kg m-2 Rates in kg m-2 h-1 (MS_HNW, MS_RAIN and MS_WIND) More...

Public Member Functions
const std::string	toString () const

	SurfaceFluxes ()

void	reset (const bool &cumsum_mass)

void	compSnowSoilHeatFlux (const SnowStation &Xdata)
	Compute ground heat flux at soil/snow boundary.

void	collectSurfaceFluxes (const BoundCond &Bdata, SnowStation &Xdata, const CurrentMeteo &Mdata)
	Assign surface data from SnowStation and BoundCond to SurfaceFluxes.

void	multiplyFluxes (const double &factor)
	If multiple surface fluxes have been summed over multiple time steps, the fluxes then need to be averaged by the number of steps. The albedos are also averaged in this method.

Public Attributes
double	lw_in
	Energy fluxes: Energy change of snowpack in kJ m-2 (dIntEnergy) Fluxes in W m-2.

double	lw_out
	outgoing longwave radiation

double	lw_net
	net longwave radiation

double	qs
	sensible heat

double	ql
	latent heat

double	hoar
	mass of surface hoar formed or sublimated

double	qr
	rain energy

double	qg
	geothermal heat flux or heat flux at lower boundary

double	qg0
	ground heat flux at soil-snow interface

double	sw_hor
	incoming global shortwave radiation on horizontal surface

double	sw_in
	incoming global shortwave radiation; on slopes: projected

double	sw_out
	reflected shortwave radiation

double	qw
	net shortwave radiation at the surface (absorbed within the snowpack)

double	sw_dir
	incoming direct shortwave radiation; on slopes: projected

double	sw_diff
	incoming diffuse shortwave radiation

double	pAlbedo
	parameterized Albedo (used for OUTPUT only)

double	mAlbedo
	measured Albedo (used for OUTPUT only)

double	dIntEnergy
	Internal energy change in J m-2 in snowpack (used for OUTPUT only)

double	dIntEnergySoil
	Internal energy change in J m-2 in soil (used for OUTPUT only)

double	meltFreezeEnergy
	Melt freeze part of internal energy change in J m-2 in snowpack (used for OUTPUT only)

double	meltFreezeEnergySoil
	Melt freeze part of internal energy change in J m-2 in soil (used for OUTPUT only)

double	drift
	Other surface data:

std::vector< double >	mass
	Total mass of snowpack PLUS different amounts of total mass change, sublimation, runoff, erosion, etc. Basically the mass which crosses the surface.

std::vector< double >	load
	Total load (kg m-2) in water runoff from solutes like nitrate.

double	dhs_corr
	operational mode only: snow depth correction in case of squeezing or blow-up (m)

double	cRho_hn
	Computed new snow density (kg m-3)

double	mRho_hn
	Measured new snow density (kg m-3)

Friends
std::ostream &	operator<< (std::ostream &os, const SurfaceFluxes &data)

std::istream &	operator>> (std::istream &is, SurfaceFluxes &data)

Member Enumeration Documentation

◆ SN_MASS_CHANGES

enum SurfaceFluxes::SN_MASS_CHANGES

The different types of mass fluxes: Mass fluxes in kg m-2
Rates in kg m-2 h-1 (MS_HNW, MS_RAIN and MS_WIND)

Enumerator
MS_TOTALMASS	This of course is the total mass of the snowpack at the present time.
MS_SWE	This too, of course, but summing rho*L.
MS_WATER	The total amount of water in the snowpack at the present time.
MS_WATER_SOIL	The total amount of water in the soil at the present time.
MS_ICE_SOIL	The total amount of ice in the soil at the present time.
MS_HNW	Solid precipitation rate.
MS_RAIN	Rain rate.
MS_WIND	Mass loss rate due to wind erosion.
MS_EVAPORATION	The mass loss or gain of the top element due to water evaporating.
MS_SUBLIMATION	The mass loss or gain of the top element due to snow (ice) sublimating.
MS_SNOWPACK_RUNOFF	The mass loss of snowpack from snow melt due to water transport (virtual lysimeter)
MS_SURFACE_MASS_FLUX	The total mass loss of snowpack due to water transport (virtual lysimeter)
MS_SOIL_RUNOFF	Equivalent to MS_SNOWPACK_RUNOFF but at bottom soil node.
MS_FLOODING	The mass gain due to adding ocean water to snow- seaice by flodding process.
MS_ICEBASE_MELTING_FREEZING	The mass gain/loss of the ice base due to melting-freezing.
N_MASS_CHANGES	Total number of different mass change types.

Constructor & Destructor Documentation

◆ SurfaceFluxes()

SurfaceFluxes::SurfaceFluxes ( )

Member Function Documentation

◆ collectSurfaceFluxes()

void SurfaceFluxes::collectSurfaceFluxes	(	const BoundCond &	Bdata,
		SnowStation &	Xdata,
		const CurrentMeteo &	Mdata
	)

Assign surface data from SnowStation and BoundCond to SurfaceFluxes.

Parameters

Bdata
Xdata
Mdata

◆ compSnowSoilHeatFlux()

void SurfaceFluxes::compSnowSoilHeatFlux ( const SnowStation & Xdata )

Compute ground heat flux at soil/snow boundary.

Parameters

Xdata

◆ multiplyFluxes()

void SurfaceFluxes::multiplyFluxes ( const double & factor )

If multiple surface fluxes have been summed over multiple time steps, the fluxes then need to be averaged by the number of steps. The albedos are also averaged in this method.

Parameters

factor Averaging factor (for example, 1/Nsteps)

◆ reset()

void SurfaceFluxes::reset ( const bool & cumsum_mass )

◆ toString()

const std::string SurfaceFluxes::toString ( ) const

Friends And Related Symbol Documentation

◆ operator<<

std::ostream & operator<<	(	std::ostream &	os,
		const SurfaceFluxes &	data
	)

friend

◆ operator>>

std::istream & operator>>	(	std::istream &	is,
		SurfaceFluxes &	data
	)

friend

Member Data Documentation

◆ cRho_hn

double SurfaceFluxes::cRho_hn

Computed new snow density (kg m-3)

◆ dhs_corr

double SurfaceFluxes::dhs_corr

operational mode only: snow depth correction in case of squeezing or blow-up (m)

◆ dIntEnergy

double SurfaceFluxes::dIntEnergy

Internal energy change in J m-2 in snowpack (used for OUTPUT only)

◆ dIntEnergySoil

double SurfaceFluxes::dIntEnergySoil

Internal energy change in J m-2 in soil (used for OUTPUT only)

◆ drift

double SurfaceFluxes::drift

Other surface data:

the surface flux of drifting snow in kg m-1 s-1

◆ hoar

double SurfaceFluxes::hoar

mass of surface hoar formed or sublimated

◆ load

std::vector<double> SurfaceFluxes::load

Total load (kg m-2) in water runoff from solutes like nitrate.

◆ lw_in

double SurfaceFluxes::lw_in

Energy fluxes: Energy change of snowpack in kJ m-2 (dIntEnergy)
Fluxes in W m-2.

incoming longwave radiation

◆ lw_net

double SurfaceFluxes::lw_net

net longwave radiation

◆ lw_out

double SurfaceFluxes::lw_out

outgoing longwave radiation

◆ mAlbedo

double SurfaceFluxes::mAlbedo

measured Albedo (used for OUTPUT only)

◆ mass

std::vector<double> SurfaceFluxes::mass

Total mass of snowpack PLUS different amounts of total mass change, sublimation, runoff, erosion, etc. Basically the mass which crosses the surface.

◆ meltFreezeEnergy

double SurfaceFluxes::meltFreezeEnergy

Melt freeze part of internal energy change in J m-2 in snowpack (used for OUTPUT only)

◆ meltFreezeEnergySoil

double SurfaceFluxes::meltFreezeEnergySoil

Melt freeze part of internal energy change in J m-2 in soil (used for OUTPUT only)

◆ mRho_hn

double SurfaceFluxes::mRho_hn

Measured new snow density (kg m-3)

◆ pAlbedo

double SurfaceFluxes::pAlbedo

parameterized Albedo (used for OUTPUT only)

◆ qg

double SurfaceFluxes::qg

geothermal heat flux or heat flux at lower boundary

◆ qg0

double SurfaceFluxes::qg0

ground heat flux at soil-snow interface

◆ ql

double SurfaceFluxes::ql

latent heat

◆ qr

double SurfaceFluxes::qr

rain energy

◆ qs

double SurfaceFluxes::qs

sensible heat

◆ qw

double SurfaceFluxes::qw

net shortwave radiation at the surface (absorbed within the snowpack)

◆ sw_diff

double SurfaceFluxes::sw_diff

incoming diffuse shortwave radiation

◆ sw_dir

double SurfaceFluxes::sw_dir

incoming direct shortwave radiation; on slopes: projected

◆ sw_hor

double SurfaceFluxes::sw_hor

incoming global shortwave radiation on horizontal surface

◆ sw_in

double SurfaceFluxes::sw_in

incoming global shortwave radiation; on slopes: projected

◆ sw_out

double SurfaceFluxes::sw_out

reflected shortwave radiation

The documentation for this class was generated from the following files:

Detailed Description

Public Types

Public Member Functions

Public Attributes

Friends

Member Enumeration Documentation

◆ SN_MASS_CHANGES

Constructor & Destructor Documentation

◆ SurfaceFluxes()

Member Function Documentation

◆ collectSurfaceFluxes()

◆ compSnowSoilHeatFlux()

◆ multiplyFluxes()

◆ reset()

◆ toString()

Friends And Related Symbol Documentation

◆ operator<<

◆ operator>>

Member Data Documentation

◆ cRho_hn

◆ dhs_corr

◆ dIntEnergy

◆ dIntEnergySoil

◆ drift

◆ hoar

◆ load

◆ lw_in

◆ lw_net

◆ lw_out

◆ mAlbedo

◆ mass

◆ meltFreezeEnergy

◆ meltFreezeEnergySoil

◆ mRho_hn

◆ pAlbedo

◆ qg

◆ qg0

◆ ql

◆ qr

◆ qs

◆ qw

◆ sw_diff

◆ sw_dir

◆ sw_hor

◆ sw_in

◆ sw_out