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22 April 2014

Portillon Glacier, French Pyrenees- Retreating and Disappearing

Portillon Glacier is in the Luchon-Bagneres region of the French Pyrenees, just north of the border with Spain. This currently small, and becoming smaller glacier drains into Lac du Portillon, which has a dam impounding it for hydroelectric generation. Like the nearby Aneto Glacier, Portillon Glacier has been thinning, retreating and separating. First a comparison of photographs from 1900 and 2013. In 1900 the glacier fills most of the cirque …

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27 November 2011

Saint Sorlin Glacier Retreat, France

The Saint Sorlin glacier above the resort of Saint-Sorlin d’Arves has lost over 50% of its surface area since 1870. The mass balance of the glacier is measured and reported annually to the World Glacier Monitoring Service, since 1980 the glacier’s cumulative mass balance is -28 meters water equivalent, equivalent to an average loss of over 30 meters in thickness The glacier is measured as part of the GLACIOCLIM program …

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