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Posts tagged Cerros Colorados Complex

Lakes and Steppes of Argentine Patagonia

38.9S 68W

April 8th, 2012 Category: Lakes, Rivers

Argentina - March 31st, 2012

The Neuquén (above) and Limay (below) rivers, which converge just below the image center, are flanked by green vegetation, while most of the rest of the region shows the tan steppes characteristic of Argentine Patagonia.

Several artificial reservoirs can be observed near the joining of the rivers: the largest, created by El Chocón Dam, is turquoise from sediments in its eastern section. To the north are two lakes that form part of the Cerros Colorados Complex; the western one of the pair is slightly more green in color.

Group of Artificial Reservoirs by Confluence of Neuquén and Limay Rivers, Argentina

38.5S 68.5W

March 23rd, 2012 Category: Lakes, Rivers

Argentina - March 18th, 2011

A group of artificial reservoirs in the province of Neuquén, Argentina can be observed near the confluence of the Neuquén River (above) and the Limay River (below). Situated at their confluence is the city of Neuquén.

The largest of the lakes, showing a bright turquoise section, was created by the El Chocón Dam. The pair of lakes to the north this reservoir are part of the Cerros Colorados Complex; the western one of the pair is slightly more green in color than its neighbor. Finally, the small lake to the east of the former two is called Pellegrini Lake.

Lakes Clustered Near Limay and Neuquén Rivers, Argentina – June 19th, 2011

38.9S 68W

June 19th, 2011 Category: Image of the day, Lakes

Argentina - May 23rd, 2011

This image focuses on a cluster of artificial reservoirs in the province of Neuquén, Argentina. They lie near the confluence of the Neuquén River (above) and the Limay River (below). Also located at their confluence is the city of Neuquén.

The lake covering the largest surface area, near the image center, was created by the El Chocón Dam. The two lakes to the north are part of the Cerros Colorados Complex; the western one of the pair is slightly lighter in color than its neighbor.

The small lake to the east of the pair is Pellegrini Lake. Finally, the lighter green lake shaped like a comet and tail in the upper right quadrant is the Casa de Piedra Lake.

Reservoirs Around Confluence of Limay and Neuquén Rivers, Argentina

38.9S 68W

May 23rd, 2011 Category: Lakes, Rivers

Argentina - May 1st, 2011

Several reservoirs lie near the confluence of the Neuquén River (above) and the Limay River (below). The city of Neuquén is located at their intersection.

The southernmost lake is a reservoir created by the El Chocón Dam. The two lakes to the north are part of the Cerros Colorados Complex. The kidney-shaped lake to the east is Pellegrini Lake. Finally, the lighter green, elongated lake in the upper right quadrant is the Casa de Piedra Lake.

Artificial Reservoirs in Neuquén Province, Argentina

39.2S 68.7W

March 16th, 2010 Category: Lakes, Rivers

Argentina - February 25th, 2010

Argentina - February 25th, 2010

Several artificial reservoirs created by dams on the Limay River lie across this image of Argentina’s Neuquén Province: (from lower left to upper right) the Piedra del Águila Reservoir, the Ezequiel Ramos Mejía Reservoir and the Los Barreales Reservoir.

The Piedra del Águila Dam, is the second of five dams on the Limay River in northwestern Argentine Patagonia (the Comahue region). It is situated at 590 m above mean sea level, downstream from the confluence of the Limay and the Collón Curá River.

The dam, inaugurated in 1993, is used for the generation of hydroelectricity and the regulation of the flow of the river. Its reservoir has an area of 305 km², a mean depth of 41.3 m (maximum 120 m), and a volume of 1.26×1010 m³.

Moving to the northeast, the El Chocón Dam is the fourth of five dams on the Limay River, at 381 m above mean sea level. While the formal name of the project is Embalse Ezequiel Ramos Mexía, in common use it ended up acquiring the name of the settlement that served as the construction’s base of operations, Villa El Chocón.

El Chocón is part of a larger engineering scheme that also includes the Cerros Colorados Complex, on the Neuquén River. Los Barreales Reservoir is part of that complex, situated in a natural depression in Patagonia that was converted into a lake upon receiving the diverted waters of the Neuquén River.

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