Stunning images reveal glacial landscapes under the oceans

New atlas offers a window into Earth’s glacial past

false-color map of seafloor showing tracks of icebergs

DIGGING IN  Wide troughs found under 250 meters of water in the Barents Sea, north of Norway and Russia, were shoveled out by the broad bases of icebergs broken from ice shelves, confirming the existence of those shelves. Darker shades indicate greater depth.

Atlas of Submarine Glacial Landforms

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