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Alaska's lakes and ponds are mapped in this spatially explicit dataset showing seasonal fluctuations. It contains over 800,000 water bodies larger than 0.001 km², derived from Sentinel-2 imagery at 10-meter resolution for the 2016-2021 ice-free seasons. The dataset was produced by ORNL_CLOUD using a U-Net model and an adaptive NDWI threshold algorithm in Google Earth Engine.
License is specified as 'other-license-specified'; users must check the specific terms. Data is tiled by UTM zone and latitude and provided in GeoTIFF and shapefile formats.