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NASA’s Aqua Satellite observes Frozen State of the Great Lakes

 

Written by Kathryn Hansen
NASA’s Earth Science News Team

NASA - National Aeronautics and Space AdministrationWashington, D.C. – At night, as cold settles in, lake ice creaks and groans. It’s been excessively cold, and I camped exposed on the snow-swept surface. Other than the lack of vegetation and the sounds at night, you’d never know you were on a lake.

It feels like an empty plain. In some places, you see pressure ridges where ice has pushed into itself, sticking up like clear blue stegosaurus plates.  — Craig Childs

Author Craig Childs is not describing an Arctic lake. He’s describing the bitterly cold and frozen scene on Lake Superior, during his February 2014 trek on the ice near the coast of Ashland, Wisconsin.

This image, acquired by the Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA's Aqua satellite, shows the Great Lakes on February 19, 2014, when ice covered 80.3 percent of the lakes. (Jeff Schmaltz, LANCE/EOSDIS MODIS Rapid Response Team, NASA)

This image, acquired by the Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Aqua satellite, shows the Great Lakes on February 19, 2014, when ice covered 80.3 percent of the lakes. (Jeff Schmaltz, LANCE/EOSDIS MODIS Rapid Response Team, NASA)

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