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Environmental-Expert.com - Freshwater runoff from the Greenland Ice Sheet will more than double by the end of the century

The Greenland Ice Sheet is melting faster than previously calculated according to a recently released scientific paper by University of Alaska Fairbanks researcher Sebastian H. Mernild. The study, published in the journal Hydrological Processes, is based on models using data from the Intergovernmental Panel on Climate Change, as well as satellite images and observations from on the ground in Greenland. Mernild and his team found that the total amount of fresh water projected to flow from the Greenland Ice Sheet into the North Atlantic Ocean from 2071 to 2100 will be more than double current levels.

Today, the East Greenland Ice Sheet adds 257 cubic kilometers of fresh water to the ocean per year from both melting and iceberg calving. By 2100, those levels are estimated to reach 456 cubic kilometers per year. With land-based runoff factored in, the total fresh water flowing from Greenland into the ocean is estimated to increase from 438 cubic kilometers to 650 cubic kilometers by 2100. The projected increase means that rather than rising at a rate of 1.1 millimeters per year, sea levels would rise by 1.6 millimeters per year.