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Smoke East of Lena River, Russia

67.6N 125.8E

July 17th, 2012 Category: Fires, Rivers

Russia – July 13th, 2012

A thick swath of smoke sweeps diagonally across the left side of this image of Russian Siberia. Visible west of the smoke is the Lena River, the easternmost of the three great Siberian rivers that flow into the Arctic Ocean (the other two being the Ob River and the Yenisei River). It is the 11th longest river in the world and has the 9th largest watershed. It is the greatest river whose watershed is entirely within national ranges of Russia.

Smoke Near Vilyuy and Lena Rivers, Russia

63.7N 121.6E

July 18th, 2011 Category: Fires, Rivers

Russia - July 14th, 2011

This image of Russian Siberia shows smoke from fires north of Lake Baikal (click here for more images of fires in Russia).

Just north of the smoke is a segment of the Lena River, the easternmost of the three great Siberian rivers that flow into the Arctic Ocean. In the full image, the Vilyuy River, the longest tributary of the Lena, can be seen flowing across the Central Siberian. Plateau to its confluence with the Lena.

Lena River Delta and Bunge Land Between Russian Islands

75.3N 139.0E

August 26th, 2010 Category: Rivers, Sediments

Russia - August 4th, 2010

The delta of the Lena River appears as a large brown, fan-shaped area in Russia’s Sakha Republic, in the lower left quadrant. Dark brown sediments empty into the Laptev Sea, part of the Arctic Ocean.

Visible north of the delta are Kotelny Island and Faddeyevsky Island, part of the Anzhu Islands subgroup of the New Siberian Islands. They are situated between the Laptev Sea and the East Siberian Sea in the Russian Arctic.

They are usually named as separate islands on average maps, however, they are connected by a flat, low-lying, plain known as Bunge Land. This area is tan in color, as opposed to the dark brown terrain of the rest of the island.

Bunge Land is a huge empty and almost barren intermediate zone. Sandy and flat, its area is 6,200 km². Since it rises only to a maximum height of 8 m above sea level, Bunge Land is flooded during storm surges, except for a very small area in the southeast that rises to an elevation of 11 to 21 m above sea level. The area that is periodically submerged accounts for over 80% of the total surface and is practically devoid of vegetation.

Guajira Peninsula and Magdalena River, Colombia

10.9N 74.8W

August 4th, 2009 Category: Rivers

Colombia - July 28th, 2009

Colombia - July 28th, 2009

Sediments flank the coastline of the Guajira Peninsula, upper right corner, in northern Colombia and northwestern Venezuela in the Caribbean sea. It is the northernmost peninsula in South America and has an area of 25,000 km² extending from the Manaure Bay (Colombia) in the Caribbean sea to the Calabazo Ensenada in the Gulf of Venezuela (Venezuela).

Most of the territory is part of Colombia, making part of the Department of La Guajira, while the remaining strip pertains to the Venezuelan State of Zulia. The northern most part of the peninsula is called Punta Gallinas, which is also considered the northernmost part of mainland South America.

Moving southwest down the coast, the Magdalena River, also called the Yuma River, can be seen spilling sediments into the Caribbean Sea at the city of Barranquilla. It is the principal river of Colombia, flowing northward about 1,540 kilometres (950 miles) through the western half of the country.

It is navigable through much of its lower reaches, in spite of the shifting sand bars at the mouth of its delta, as far as Honda, at the downstream base of its rapids. It flows through the Magdalena River Valley, visible towards the center of the image.

The Lena River Delta, Russia – June 30th, 2009

73.0N 127.0E

June 30th, 2009 Category: Image of the day, Rivers

Russia - June 24th, 2009

Russia - June 24th, 2009

The Lena River runs horizontally across the left side of this image, forming an immense delta by its mouth in Sakha Republic, in the far north of eastern Siberia, Russia. The Lena empties into the Laptev Sea, which is mostly covered in ice, here.

Much of the delta is protected as the Lena Delta Wildlife Reserve, a scientific nature reserve with a total land area of 61,000 square kilometres (23,552 sq mi), making it the largest protected area in Russia.

The delta itself has a size of about 30,000 square kilometres (11,583 sq mi), making it one of the largest of the world. It protects large concentrations of birds, including swans, geese and ducks, loons, shorebirds, raptors and gulls. It is also an important fish spawning site.