The figure shows the change in yearly cumulated area of the Greenland ice sheet and it's melt during the period 1979 to 2011 in percentage relative to area in 1979=100. The linear trend 1979–2011 is included.
Fettweis, X., M. Tedesco, M. van den Broeke, and J. Ettema. 2011. ‘Melting Trends over the Greenland Ice Sheet (1958–2009) from Spaceborne Microwave Data and Regional Climate Models’. The Cryosphere 5 (2): 359–375. doi:10.5194/tc-5-359-2011.
% (1979 = 100 %)
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Some 97.5% of water on the Earth is salt water, leaving only 2.5% as fresh water. Of this over two thirds is frozen in glaciers and polar ice caps. The remaining unfrozen fresh water is found mainly as groundwater, with only a small fraction present in rivers, lakes or in the air. Water is a precious resource, use it responsibly and don’t waste it!
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