New data, combining observations from 3 different satellites, show that almost the whole surface of the Greenland glaciers was melting on 12 July 2012. It is not clear still whether most of this will refreeze, or contribute to this seasons annual melting.
The image pair below shows the situation on 8 and 12 July 2012. The 8th of July case is typical for the last few years, with nearly half of the surface experiencing some melt, but the 12th of July is extraordinary. But, like mentioned above, the net effect of this remains to be seen. This might be a short lived event, or not …
Credit: Nicolo E. DiGirolamo, SSAI/NASA GSFC, and Jesse Allen, NASA Earth Observatory
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