HDF5 file, superblock version 2
group /
	attribute Conventions = "CF-1.6"
	attribute author = "Isabel Krüll (isakruel@uni-bremen.de)"
	attribute date_created = "2026-04-20T16:44:15.250608"
	attribute info = "Sea Ice Concentration data based on the ASI algorithm (Spreen et al.,2008, www.seaice.uni-bremen.de). The data is gridded on the Equal-Area Scalable Earth (EASE) grid (https://nsidc.org/data/user-resources/help-center/guide-ease-grids)."
	attribute institution = "University of Bremen"
	attribute principal_investigator = "Gunnar Spreen (gunnar.spreen@uni-bremen.de)"
	attribute source = "Satellite observation AMSR2"
	attribute summary = "Daily ASI sea ice concentration for the Arctic"
	attribute title = "ASI Sea Ice Concentration"
dataset /SIC: float32, shape (1, 2880, 2880)
	attribute _FillValue = -9999.0
	attribute grid_mapping = "crs"
	attribute long_name = "Sea Ice Concentration"
	attribute standard_name = "sea_ice_area_fraction"
	attribute units = "1"
	attribute valid_max = 1.0
	attribute valid_min = 0.0
dataset /crs: float32, shape ()
	attribute _FillValue = -9999.0
	attribute crs_wkt = "PROJCRS[\"WGS 84 / NSIDC EASE-Grid 2.0 North\",BASEGEOGCRS[\"WGS 84\",ENSEMBLE[\"World Geodetic System 1984 ensemble\",MEMBER[\"World Geodetic System 1984 (Transit)\"],MEMBER[\"World Geodetic System 1984 (G730)\"],MEMBER[\"World Geodetic System 1984 (G873)\"],MEMBER[\"World Geodetic System 1984 (G1150)\"],MEMBER[\"World Geodetic System 1984 (G1674)\"],MEMBER[\"World Geodetic System 1984 (G1762)\"],MEMBER[\"World Geodetic System 1984 (G2139)\"],MEMBER[\"World Geodetic System 1984 (G2296)\"],ELLIPSOID[\"WGS 84\",6378137,298.257223563,LENGTHUNIT[\"metre\",1]],ENSEMBLEACCURACY[2.0]],PRIMEM[\"Greenwich\",0,ANGLEUNIT[\"degree\",0.0174532925199433]],ID[\"EPSG\",4326]],CONVERSION[\"US NSIDC EASE-Grid 2.0 North\",METHOD[\"Lambert Azimuthal Equal Area\",ID[\"EPSG\",9820]],PARAMETER[\"Latitude of natural origin\",90,ANGLEUNIT[\"degree\",0.0174532925199433],ID[\"EPSG\",8801]],PARAMETER[\"Longitude of natural origin\",0,ANGLEUNIT[\"degree\",0.0174532925199433],ID[\"EPSG\",8802]],PARAMETER[\"False easting\",0,LENGTHUNIT[\"metre\",1],ID[\"EPSG\",8806]],PARAMETER[\"False northing\",0,LENGTHUNIT[\"metre\",1],ID[\"EPSG\",8807]]],CS[Cartesian,2],AXIS[\"easting (X)\",south,MERIDIAN[90,ANGLEUNIT[\"degree\",0.0174532925199433]],ORDER[1],LENGTHUNIT[\"metre\",1]],AXIS[\"northing (Y)\",south,MERIDIAN[180,ANGLEUNIT[\"degree\",0.0174532925199433]],ORDER[2],LENGTHUNIT[\"metre\",1]],USAGE[SCOPE[\"Environmental science - used as basis for EASE grid.\"],AREA[\"Northern hemisphere.\"],BBOX[0,-180,90,180]],ID[\"EPSG\",6931]]"
	attribute false_easting = 0.0
	attribute false_northing = 0.0
	attribute grid_mapping_name = "lambert_azimuthal_equal_area"
	attribute latitude_of_projection_origin = 90.0
	attribute longitude_of_projection_origin = 0.0
dataset /time: int32, shape (1)
	attribute calendar = "proleptic_gregorian"
	attribute standard_name = "time"
	attribute units = "days since 2020-11-10 00:00:00"
// time: first 0, last 0, count 1
dataset /x: float64, shape (2880)
	attribute _FillValue = nan
	attribute long_name = "projection_x_coordinate (6.25 km EASE grid)"
	attribute standard_name = "projection_x_coordinate"
	attribute units = "m"
// x: first -8996875.0, last 8996875.0, count 2880
dataset /y: float64, shape (2880)
	attribute _FillValue = nan
	attribute long_name = "projection_y_coordinate (6.25 km EASE grid)"
	attribute standard_name = "projection_y_coordinate"
	attribute units = "m"
// y: first 8996875.0, last -8996875.0, count 2880