{ "extent": { "spatial": {"bbox": [[ -80, 60, -10, 90 ]]}, "temporal": {"interval": [[ "2014-01-21T00:00:00Z", "2014-04-02T22:59:59Z" ]]} }, "stac_version": "1.0.0", "keywords": [ "DIF10", "Greenland", "ice velocity", "orthoimagery", "EARTH SCIENCE>CRYOSPHERE>GLACIERS/ICE SHEETS>ICE SHEETS", "EARTH SCIENCE>TERRESTRIAL HYDROSPHERE>SNOW/ICE>ICE VELOCITY", "RADARSAT-2", "SAR", "ice sheets", "SAR (RadarSat-2)", "RadarSat-2" ], "description": "This dataset provides an ice velocity map for the whole Greenland ice-sheet for the winter of 2013-2014, derived from RADARSAT-2 data, as part of the ESA Greenland Ice Sheet Climate Change Initiative (CCI) project. The ice velocity data were derived from intensity-tracking of RADARSAT-2 data aquired between 21/1/2014 and 02/04/2014. The data are provided on a polar stereographic grid (EPSG3413: Latitude of true scale 70N, Reference Longitude 45E). The horizontal velocity is provided in true meters per day, towards the Eastings and Northings direction of the grid; the vertical displacement, derived from a digital elevation model, is also provided. Both a single NetCDF file (including all measurements and annotation), and separate geotiff files with the velocity components are provided. 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