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...