NASA: Arctic melt season lengthening

Mongabay: Newly released images from NASA and the National Snow and Ice Data Center show that the Arctic's melt season has lengthened significantly over the past few decades. The melting season--i.e. the length of time in which continuous melting occurs--has increased on average by 6.4 days for every decade between 1979 and 2007. Around the lower-latitude edges of the ice pack, however, this lengthening was far above the average. According to NASA, researchers collect this data by using ......
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