Sentences with phrase «former ice sheet extents»
Terrestrial glacial geologists (such as ourselves) can gain information of past glacial behaviour from mapping and dating former ice sheet extents, and determining the rates at which they receded and thinned, [e.g., 16, 17 - 19].
http://www.antarcticglaciers.org/ Not exact matches
All that would be needed for the ice sheet to return to its former extent is a cold winter.