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Archive for November 2nd, 2009

Buenos Aires on the Shoreline of the Sediment-Laden Rio de la Plata Estuary

34.6S 58.3W

November 2nd, 2009 Category: Rivers

Argentina - September 24th, 2009

Argentina - September 24th, 2009

While the surrounding Argentinian and Uruguayan landscapes take on a greener color as spring begins in the southern hemisphere, the Rio de la Plata pours thick brown sediments into the Atlantic Ocean.

The Rio de la Plata is created by the convergence of two other rivers: the Paraná River (left) and the Uruguay (right), both of which flow southwards from the top of the image. On the southern shores of the innermost part of the Rio de la Plata estuary, the city of Buenos Aires can also be seen.

The City and Metropolitan Area of São Paulo, Brazil

23.5S 46.6W

November 2nd, 2009 Category: Snapshots

Brazil - August 31st, 2009

Brazil - August 31st, 2009

São Paulo is located in Southeastern Brazil, in southeastern São Paulo State. The city is located on a plateau that is part of the Serra do Mar (Portuguese for “Sea Range”), itself a component of the vast region known as the Brazilian Highlands, with an average elevation of around 799 metres (2,620 ft) above sea level – though at a distance of only about 70 kilometers (43 mi) from the Atlantic Ocean.

Rolling terrain prevails within the urbanized areas of São Paulo except in the North of the city, where the Serra da Cantareira Range boasts higher elevations and a sizable remnant of the Atlantic Rain Forest.

São Paulo is the largest city in Brazil, and the world’s 7th largest metropolitan area. The city is the capital of the state of São Paulo, the most populous Brazilian state.

The city also lies at the center of the heavily urbanized São Paulo metropolitan area, with an estimated 19.889.559 people in 2009 over 7,944 square kilometers (3,067.2 sq mi), is the largest metropolitan area in the nation. Depending on which definition is used, the São Paulo metropolitan area is ranked as either the first or second most populous in the Americas.

The Islands of Sylt and Föhr off the Jutland Peninsula Coast, Germany – November 2nd, 2009

54.7N 8.2E

November 2nd, 2009 Category: Snapshots

Germany and Denmark - October 22nd, 2009

Germany and Denmark - October 22nd, 2009

Numerous islands and inlets can be seen in the Wadden Sea along the west coast of the Jutland Peninsula. The border between the countries of Denmark (above) and Germany (below) runs horizontally approximately through the center of the image.

The two largest islands visible here are Sylt and Föhr. Sylt, belonging to the German state of Schleswig-Holstein and the northernmost island in Germany, is well known for the distinctive elongated shape of its shoreline and its 40 km long sandy beach.

It belongs to the North Frisian Islands and, with a surface area of 99.14 km², is the largest North Sea island. Sylt is situated at 9 to 16 km off the mainland. Southeast of Sylt the islands Föhr and Amrum are located, to the north lies the Danish island Rømø.

Föhr is also one of the North Frisian Islands and also belongs to the German state of Schleswig-Holstein. Föhr is the second-largest North Sea island of Germany. It is 6.8 kilometres wide and 12 km long, the surface measures 82.82 km².

Hala Lake in China’s Qaidam Basin

38.3N 97.5E

November 2nd, 2009 Category: Lakes

China - August 31st, 2009

China - August 31st, 2009

Qaidam Basin is a hyperarid basin in Qinghai Province, western China, at an altitude between 2600 to 3300 meters. The basin covers an area of approximately 120,000 km2, one fourth of which is covered by saline lakes and playas. Here, Hala Lake, one of the largest salt lakes in the basin, is visible.

The basin’s large natural reserves include asbestos, borax, gypsum, natural gas, and several metals, with the greatest reserves of lithium, magnesium, potassium and sodium of anywhere in China. The presence of oil and natural gas have created great investment interest since 2005.