Antarctic Ice Shelves Melt Mostly From Below

LiveScience: When iceberg chunks break off of floating ice shelves, it can serve as dramatic proof of melting -- and this traditionally has been considered the main way that these expanses of Antarctic ice become smaller. But new research reveals a disconcerting finding that is invisible to the naked eye: These ice shelves primarily melt from below. Knowing what is driving ice-shelf melt is important because when ice shelves lose mass, they speed up the flow of land-bound glaciers that feed them, moving ice......

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