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July 25, 2018

Bas d’Arolla Glacier, Switzerland No Longer Reaches Valley

Bas d’Arolla Glacier in Landsat images from 1990, 2001 and 2017.  Red arrow is 1985 terminus, yellow arrow 2017 terminus location, purple dots annual snowline. A=Bas d’Arolla O=Otemma Bas D’Arolla Glacier is one of the glaciers where the terminus is monitored annually by the Swiss Glacier Monitoring Network (SCNAT). Here we examine changes in this glacier from 1985 to 2017 including changes in the terminus, snowline elevation and tributary connection …