Seafloor valleys discovered below West Antarctic glaciers
Thursday, January 19, 2017 - 11:01
in Earth & Climate
Glaciologists have uncovered large valleys in the ocean floor beneath some of the massive glaciers flowing into the Amundsen Sea in West Antarctica. Carved by earlier advances of ice during colder periods, the troughs enable warm, salty water to reach the undersides of glaciers, fueling their increasingly rapid retreat.