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March 11, 2019

Läntagletscher, Switzerland Separates From Rapidly Melting Terminus Lobe

Läntagletscher (L)  in 1990 Landsat image and 2018 Sentinel image.  Red arrow is the 1990 terminus location, yellow arrow 2018 terminus location, Zervreilasee (Z)  and Gufergletscher (G) Läntagletscher is in the Alps draining into the Zervreilasee and then the Rhone River.  Zervreila is a 22 MW hydropower facility, with a 150 m high arch dam . From 1990-2014 the glacier retreated at a steady rate of ~24 m/year.  The upper portion …