Antarctica's topography began changing from flat to fjord-filled starting about 34 million years ago, according to a new report from a University of Arizona-led team of geoscientists. Knowing when Antarctica's topography started shifting from a flat landscape to one with glaciers, fjords and mountains is important for modeling how the Antarctic ice sheet affects global climate and sea-level rise.
Fuente : http://www.eurekalert.org/pub_releases/2013-03/uoa...
Fuente : http://www.eurekalert.org/pub_releases/2013-03/uoa...