Four more years of high-resolution imagery data have been released to show the polar regions in stunning detail. Thanks to a hard-working
Four more years of high-resolution imagery data have been released to show the polar regions in stunning detail, thanks to a hard-working team of researchers at the University of Minnesota–Twin Cities. The new images have been added to eight years of previous data, which introduce the most detailed polar region terrain maps ever created.
The scientific project is being headed up by Claire Porter, the acting co-director at the Polar Geospatial Center , a polar science and logistics support organization at the University of Minnesota. The PGC receives support from the National Science Foundation , and the National Aeronautics and Space Administration . PGC provides geospatial support, mapping, and GIS/remote sensing solutions to researchers and logistics groups in the polar science community.
The project started with images taken from a constellation of polar-orbiting satellites about 400–700 kilometers above the Earth. The researchers then created the digital elevation models based on 50-centimeter resolution images captured by the commercial satellites owned by Maxar and licensed by the National Geospatial-Intelligence Agency.
The newest data was used to fill in all the previous gaps in data to provide full coverage of the entire polar regions north of 60°N and south of 60°S . With all the data and the ability to process it, the researchers were able to build a continent-wide seamless terrain map in the Antarctic, with plans to release an Arctic version this winter that will be just as stunning.
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