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Significant contribution of Greenland's peripheral glaciers to sea-level rise
Date:3/18/2013

han half the water contained in one of Europe's largest lakes, Lake Geneva.

The study gives more detail to the make-up and stability of Greenland's glaciers showing that mass loss is highest in the warmer south east of the land mass and lowest in the colder north.

It also shows that the loss of ice is about 2.5 times higher for those separate glaciers than for the ice sheet, leading to the 15-20% figure.

Dr. Bolch says, "The other 80-85% comes from the ice sheet. The new figure for the local glaciers is higher than expected. It matters because the ice loss with respect to the area is significantly higher than of the ice sheet. This means that the local glaciers react faster with respect to climate change. This information will help to improve the predictions of the future contribution of Greenland's ice to sea-level rise."

A Gigaton (Gt) is the equivalent of 1 cubic kilometer (km3) of water. Lake Geneva contains about 90 km3 of water.


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Contact: Dr. Tobias Bolch
tobias.bolch@geo.uzh.ch
41-446-355-236
University of Zurich
Source:Eurekalert  

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