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[personal profile] ljgeoff
"A simplified way to think of extent versus area is to imagine a slice of swiss cheese. Extent would be a measure of the edges of the slice of cheese and all of the space inside it. Area would be the measure of where there is cheese only, not including the holes. That is why if you compare extent and area in the same time period, extent is always bigger." -- National Snow and Ice Data Center FAQ


2016 Arctic ice area


2016 Arctic Ice Extent



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ljgeoff

September 2017

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