Excerpt: “A team of researchers led by the University of Minnesota, Twin Cities has released four more years of high-resolution imagery data, which has been added to eight years of previous data, to make the most detailed polar region terrain maps ever created. The maps use high-resolution satellite data to show the polar regions in detail and will provide new insights into the effects of climate change over time. … The project began with images taken from polar-orbiting satellites about 400-700 kilometers above Earth. Researchers at the Polar Geospatial Center created the digital elevation models based on 50-centimeter resolution images captured by commercial satellites owned by Maxar and licensed by the National Geospatial-Intelligence Agency.”
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