rising seas
Antarctica’s Effect on Sea Level Rise in Coming Centuries
Esprit Smith
Jet Propulsion Laboratory, Pasadena, Calif.

There are two primary causes of global mean sea level rise – added water from melting ice sheets and glaciers, and the expansion of sea water as it warms. The melting of Antarctica’s ice sheet is currently responsible for 20-25 percent of global sea level rise.
But how much of a role will it play hundreds of years in the future?