Data Content & Format

Product Version 2.1

Parameter	Description	Unit	Comment
freeboard	freeboard of the sea ice layer	meter
freeboard_uncertainty	freeboard uncertainty	meter
latitude	latitude of satellite nadir measurement point	degrees north
longitude	longitude of satellite nadir measurement point	degrees east
radar_freeboard	elevation of retracked point above instantaneous sea surface height	meter	radar freeboard is defined as the elevation based on the assumption of vacuum light speed without a snow propagation or range penetration correction
radar_freeboard_uncertainty	algorithm uncertainty (error propagation) of the radar freeeboard retrieval	meter
radar_mode	radar mode flag	None	flag meaning: 0: pulse limited (lrm) 1: sar 2: sar interferometric
region_code	Region code (adapted from NSIDC region mask)	None	flag meaning: 0: Inland sea and lakes 1: Ice-free Oceans 2: Sea of Okhotsk 3: Bering 4: Hudson Bay 5: St John 6: Baffin Bay 7: East Greeland Sea 8 Barents Sea 9: Kara Sea 10: Laptev Sea 11: East Siberian Sea 12: Chukchi Sea 13: Beaufort Sea 14: Canadian Islands 15: Central Arctic 16: Baltic Sea 20: land 21: land outline
sea_ice_density	density of the sea ice layer	kg/m3
sea_ice_density_uncertainty	uncertainty of the sea ice layer density	kg/m3
sea_ice_thickness	thickness of the sea ice layer	meter
sea_ice_thickness_uncertainty	uncertainty of the sea ice layer thickness	meter
sea_ice_type	fraction of multi-year ice	None	Meaning: 0: only first year ice 1: only multi-year ice