Degrading underground ice wedges are reshaping Arctic landscape

ScienceDaily: Rapid melting of ice and Arctic permafrost is altering tundra regions in Alaska, Canada and Russia, according to a new study released in the journal Nature Geoscience. Ice-wedge degradation has been observed before in individual locations, but this is the first study to determine that rapid melting has become widespread throughout the Arctic. Southwest Research Institute® (SwRI®) provided time series and change detection analyses of high resolution remote sensing imagery acquired over several......

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