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Monday, August 05, 2019
Greenland's ice wasn't supposed to melt like last week until 2070. (The Hill)
Greenland's ice wasn't supposed to melt like last week until 2070
BY THOMAS MOTE, OPINION CONTRIBUTOR — 08/04/19 03:00 PM EDT 1,615
THE VIEWS EXPRESSED BY CONTRIBUTORS ARE THEIR OWN AND NOT THE VIEW OF THE HILL
The Greenland ice sheet covers an area the size of Alaska with enough ice to raise global sea level by more than 20 feet. Greenland gains ice each winter from compacting snow accumulation and loses ice from melt water and icebergs discharged to the ocean. A dry, warm spring this year left a thin snow cover over bare glacial ice. Spring warming followed by a large melt event in June led scientist Jason Box of the Geological Survey of Greenland to predict record ice losses this year. The peak of the melt season passed in mid-July with more typical summer conditions, but the past week again saw a large increase in the area and intensity of melt across the Northern Hemisphere’s remaining ice sheet.
Thomas Mote is a distinguished research professor of Geography and Atmospheric Science at the University of Georgia. He has published research for the past 25 years on Arctic climate change and the use of regional climate models and remote sensing to monitor the Greenland ice sheet. He provides the processed satellite data for the Greenland Today website at the National Snow and Ice Data Center.