| Summary: | This dataset consists of true-like sea ice concentration (SIC) data records over the Arctic Ocean, which was derived from the 30 m resolution imagery from the Operational Land Imager (OLI) onboard Landsat-8. Each SIC map are given in a 6.25 km polar stereographic grid, and are catalogued into one of the twelve sub-regions (Baffin Bay and Labarador Seas, Barents Sea, Beaufort Sea, Bering Sea, Canadian Archipelago, Central Arctic, Chukchi Sea, East Greenland Sea, East Siberian Sea, Hudson Bay, Kara Sea, Laptev Sea) of the Arctic Ocean. This dataset also contains the number of Landsat-8 pixels used in the calculation of each SIC values, and the 6.25 km coastal area mask. The naming convention for the files are "sic_landsat08_YYYYMMDD_PPPRRR.nc" following: YYYYMMDD: Date of Landsat-8 scene PPPRRR: Landsat-8 orbit location in reference to the Worldwide Reference System-2 The dataset is in netCDF format and the names of headers and variables and their respective meanings are as follows: Header Name Meaning Attributes title Title of the dataset region Name of the sub-region for each dataset date Eate of the Landsat-8 scene acquired_time Scene center time for when the image was acquired HH:MM:SS (GMT) extent Extent of the Landsat-8 scene in longitude and latitude projection Projection of the dataset spatial_resolution Spacial resolution of the dataset cloud_contamination_category Assessed cloud contamination category of the dataset 2: overestimated cloud cover 3: correctly estimated cloud cover for cloudy sky 4: correctly estimated cloud cover for clear sky original_filename Original name of the Landsat-8 level 1 collection 2 dataset Variable Name Meaning Attributes sea_ice_concentration SIC calculated from Landsat-8 imagery [-99: Fill value, -1: non-ocean mask, -2: region mask] sample_size Number of Landsat-8 pixels used to calculate each SIC value [-99: Fill value, -1: non-ocean mask, -2: region mask] coastal_mask 6.25 km coastal area mask [0: non-coastal area, 1: coastal area]
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