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Posts tagged Argentino Lake

Milky Blue of Argentine Glacial Lakes

49.5S 72.6W

February 27th, 2013 Category: Lakes

Argentina and Chile – January 25th, 2013

Visible in the lower left quadrant of this image are three bright blue glacial lakes in Argentine Patagonia: Argentino Lake, Lake Viedma and Lake San Martín (below to above).

A glacial lake is a lake with origins in a melted glacier. They are formed when a glacier erodes the land, and then melts, filling the hole or space that they have created. The scouring action of the glaciers pulverizes minerals in the rock over which the glacier passes. These pulverized minerals become sediment at the bottom of the lake, and some of the rock flour becomes suspended in the water column, giving the water a milky blue color.

Climate Change and Argentina’s Glacial Lakes

50.2S 72.4W

February 20th, 2013 Category: Lakes

Argentina – January 26th, 2013

In Southern Santa Cruz province, Argentina’s Lake Viedma (center) is a large -1.088 km2 (420 sq.mi)- body of water, slightly smaller than Lake Argentino (below) into which it flows. It is located next to the Southern Ice Field and Viedma Glacier flows into the lake.

Argentino Lake is the biggest freshwater lake in Argentina, with a surface area of 1,466 km2 (566 sq mi) (maximum width: 20 mi (32 km)). It has an average depth of 150 m (492 ft), and a maximum depth of 500 m (1,640 ft). The fjords at the northwestern end of Lago Argentino are fed by five glaciers, the largest of which is the Upsala glacier. Scientists have predicted that climate change may cause the lake’s temperature to increase by 2ºC or 3ºC.

Lakes in Argentine and Chilean Patagonia

49.5S 72.6W

November 18th, 2012 Category: Lakes, Mountains

Chile and Argentina – November 16th, 2012

Several lakes can be seen by the Andes Mountains and Chile-Argentina border in this image of Patagonia. The northernmost is known as Lake General Carrera (Chilean side) or Lake Buenos Aires (Argentine side). It has a surface of 1,850 km² of which 970 km² are in Chile and 880 km² in Argentina, making it the biggest lake in Chile, and the fourth largest in Argentina. The lake is of glacial origin and drains to the Pacific Ocean on the west through the Baker River.

Visible to its south, also dark blue in color, is known as Cochrane Lake in Chile and Pueyrredón Lake in Argentina. The Argentine portion of the lake has a surface of 150 km2, while the portion in Chile covers 175 km2. It is a glacier fed lake.

Continuing southward, three light blue lakes can be seen: Lake O’Higgins/San Martín (the former name is used in Chile, the latter in Argentina), Viedma Lake and Argentino Lake. All three are glacial lakes, and their milky color is due to rock flour suspended in their waters.

Sediments Along Coast of Argentine Patagonia – September 28th, 2012

50.5S 70.7W

September 28th, 2012 Category: Image of the day, Lakes, Sediments

Argentina – September 24th, 2012

Sediments line the coast of the Argentine provinces of Santa Cruz and Tierra del Fuego, both part of Patagonia, from the San Jorge Gulf to the Mitre Peninsula.

Visible parallel to the west coast are the Andes Mountains, along the border with Chile. Visible by the mountains are several bright blue glacial lakes (from north to south): Lake O’Higgins/San Martín (the former name is used in Chile, the latter in Argentina), Viedma Lake and Argentino Lake.

Milky Blue Glacial Lakes by Chile-Argentina Border

49.5S 72.6W

May 3rd, 2012 Category: Lakes, Mountains

Argentina and Chile - April 28th, 2012

The snow-capped Andes mark the border area between Chile (left) and Argentina (right). Several bright blue glacial lakes can be observed in the middle section of the image, their milky color due to rock flour suspended in their waters. The lakes are, from top to bottom, Lake O’Higgins/San Martín (the former name is used in Chile, the latter in Argentina), Viedma Lake and Argentino Lake.

Lake O’Higgins / San Martín consists of a series of finger-shaped flooded valleys. It has a surface area of 1,058 km² and a shoreline length of 525 km. Viedma Lake is a major elongated trough lake formed from melting glacial ice. It is approximately 50 miles (80 kilometers) long. Argentino Lake is the biggest freshwater lake in Argentina, with a surface area of 1466 km2, an average depth of 150 m, and a maximum depth of 500 m.

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