Note: The maps show the area of the Greenland ice sheet with at least one day of surface melting in summer. The diagram shows the cumulated melt area, which is defined as the annual total sum of every daily ice sheet melt area. For example, if a particular area is melting on 20 days in a given year, it is counted 20 times.
Surface melting in summer increased to a new recored in 2007. Melting passed the 2 500 m elevation and probably led to a record ice loss that year. Geographical coverage note: Greenland
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