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Lake Musters and Lake Colhué Huapi in Argentine Patagonia

45.4S 69.1W

March 18th, 2010 Category: Lakes, Rivers

Argentina - February 25th, 2010

Argentina - February 25th, 2010

Lake Musters (dark green, left) and Lake Colhué Huapi  (light green, right) form the terminal stage of the Senguerr River endorheic basin, located in the patagonic central region of Argentina in the south of Chubut province.

The basin lakes are fed mainly by the eastward-running Senguerr River which begins its journey in the glacial lakes of La Plata and Fontana in the Andes Mountains The inflow ranges from 35 to 54m³/sec and varies greatly by season and by year.

Both lakes suffer naturally from a severe evaporation process in the dry patagonian environment due to strong wind action and solar radiation. In shallow Colhué Huapi, evaporation has greatly increased.

In past decades, when excessive inflows did take place, water discharged to the birth branches of Chico River and eventually reached the Chubut River. This ephemeral process last occurred in 1939; however, since then the Chico River has mostly been dry.

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