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April 4, 2010

Mer de Glace, Glacier Retreat-A Receding Sea

Mer de Glace (Mg) and Argentiere Glacier (A) in a 1990 Landsat image left and 2015 image right. Red arrow is the 1990 terminus, 2015 terminus is at yellow arrow, purple arrow indicate higher elevation thinning of a tributary that is retreating.  Mer De Glace drains the north side of Mont Blanc. This is the largest glacier in this section of the Alps, it is 12 km long. The “sea …