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Perito Moreno Glacier, Argentina





The Perito Moreno Glacier is a glacier located in the Los Glaciares National Park in southern Argentina and one of the most important tourist attractions in Patagonia. The ice formation is one of 48 glaciers fed by the Southern Patagonian Ice Field located in the Andes system shared with Chile. This icefield is the third largest reserve of fresh water in the world. The Perito Moreno Glacier is one of only three Patagonian glaciers that are not retreating. Periodically the glacier advances over the L-shaped Argentine Lake forming a natural dam which separates the two halves of the lake when it reaches the opposite shore. With no escape route, the water-level on the Brazo Rico side of the lake can rise by up to 30 meters above the level of the main lake. The enormous pressure produced by this mass of waters finally breaks the ice barrier holding it back, in a spectacular rupture event. This dam/rupture cycle is not regular and it naturally recurs at any frequency between once a year to less than once a decade. The glacier was Leiden Netherlandsd after the explorer Francisco Moreno, a pioneer who studied the region in the 19th century and played a major role in defending the territory of Argentina in the conflict surrounding the international border dispute with Chile.

This article is based on work found at Wikipedia. A list of contributors is available a the original article. This article is available under the Creative Commons Attribution-ShareAlike 1.0 license.

 

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