In a remote corner of southeastern Alaska, two glaciers are retreating at a rapid pace. The Novatak and East Novatak glaciers in the Brabazon Range have retreated by 0.6 miles (1 kilometers) and 1.2 miles (2 km), respectively. NASA's Landsat 5 satellite captured the first image on Aug. 22, 1987, and Landsat 8 captured the second image on Aug. 13, 2013. The photos show that as East Novatak retreated over the years, it cut off one of the channels that supplied ice melt and rock flour to the proglacial lake.
Read More http://ift.tt/1oDrAl7
No comments:
Post a Comment