Resources

Input data

Variable	Short name	Unit	Comment
Air pressure	PRES	hPa
Air temperature	T2	K
Cloud cover	N	-
Relative humidity	RH2	%/100
Solar radiation	G	W m -2
Total precipitation	RRR	mm
Wind speed	U2	m s -1
Snowfall	SNOWFALL	m	optional
Incoming longwave radiation	LWin	W m -2	optional, replaces N

Static fields

Variable	Short name	Unit	Comment
Glacier mask	MASK	Boolean	glacier == True
Elevation	HGT	m

Output data

Variable	Short name	Unit	Comment
Incoming shortwave radiation	G	W m -2
Incoming longwave radiation	LWout	W m -2
Outgoing longwave radiation	LWout	W m -2
Liquid precipitation	RAIN	mm	requires RRR
Snowfall	SNOWFALL	mm
Sensible heat flux	H	W m -2
Latent heat flux	LE	W m -2
Ground heat flux	B	W m -2
Rain heat flux	QRR	W m -2
Mass balance	MB	m w.e.
Surface mass balance	surfMB	m w.e.
Internal mass balance	intMB	m w.e.
Runoff	Q	m w.e.
Snow height	SNOWHEIGHT	m
Total domain height	TOTALHEIGHT	m
Surface temperature	TS	K
Albedo	ALBEDO	-
Number of layers	LAYERS	-
Available melt energy	ME	W m -2
Evaporation	EVAPORATION	m w.e.
Condensation	CONDENSATION	m w.e.
Sublimation	SUBLIMATION	m w.e.
Deposition	DEPOSITION	m w.e.
Refreezing	REFREEZING	m w.e.
Subsurface melt	subM	m w.e.
Surface melt	surfM	m w.e.
Roughness length	Z0	m
Layer height	LAYER_HEIGHT	m	Profile
Layer temperature	LAYER_T	m	Profile
Layer density	LAYER_RHO	kg m -3	Profile
Layer ice fraction	LAYER_ICE_FRACTION	-	Profile
Layer porosity	LAYER_POROSITY	-	Profile
Layer liquid water content	LAYER_LWC	-	Profile
Layer irreducible water	LAYER_IRREDUCIBLE_WATER	-	Profile
Layer refreezing	LAYER_REFREEZE	m w.e.	Profile
Layer cold content	LAYER_CC	J m -2	Profile

Source directory structure

Directory	File	Description
./	COSIPY.py	Main program
	config.toml	Model configuration
	constants.toml	Constants configuration
	utilities_config.toml	Utilities configuration
	slurm_config.toml	Slurm Workload Manager configuration
	README.md	Readme file
./dask-worker-space		Folder needed for parallel computing and resulting log files
./data	input/Zhadang_ERA5_2009_2018.csv	Example meteorological data (tutorial)
	input/Zhadang_ERA5_2009.nc	Example cosipy input file (tutorial)
	output/	Output files (automatically created)
	restart/	Restart files (automatically created)
	static/static.nc	Example cosipy static file (tutorial)
	static/DEM/n30_e090_3arc_v2.tif	Example DEM file (tutorial)
	static/Shapefiles/Zhadang_RGI6.*	Example rgi6 glacier outline (tutorial)
./cosipy	config.py	Configuration hook
	constants.py	Constants hook
./cosipy/cpkernel	cosipy_core.py	Solves the 1D simulations
	init.py	Initialises the snowpack
	grid.py	GRID class
	io.py	IO class
	node.py	Node class
./cosipy/modules	albedo.py	Albedo module
	densification.py	Densification module
	evaluation.py	Stake evaluation module
	heatEquation.py	Solves the heat equation
	penetratingRadiation.py	Penetrating radiation module
	percolation.py	Percolation module
	radCor.py	Radiation module (used for preprocessing)
	refreezing.py	Refreezing of water
	roughness.py	Roughness parametrisation
	secant.py	Provides the secant minimisation scheme
	surfaceTemperature.py	Solves the surface energy balance / surface temperature
./cosipy/postprocessing	plot_cosipy_fields.py	Quick visualisation of results
./cosipy/utilities	aws2cosipy/aws2cosipy.py	Creates a COSIPY input file from a data file
	createStatic/create_static_file.py	Utility to create the static input data
	setup_cosipy/setup_cosipy.py	Create configuration files
	wrf2cosipy/wrf2cosipy.py	Create an input file from WRF model output