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Cloud of Smoke South of Ob River, Russia

57.4N 79.6E

May 23rd, 2011 Category: Fires, Rivers

Russia - May 18th, 2011

This image offers another view of the cloud of smoke caused by wildfires blazing across central Russia (click here for previous article).

The lines criss-crossing the cloud of smoke are contrails from passing aircraft. Visible north of the smoke cloud is the Ob River.

Ob River and Snow Across West Siberian Plain, Russia

54.2N 81.8E

February 3rd, 2011 Category: Rivers

Russia - January 17th, 2011

The part of this image that appears uniformly white is part of the West Siberian Plain, in Russia. Much of the plain is poorly drained and consists of some of the world’s largest swamps and floodplains.

The large, parallel dark streaks across the snowy plain are raised bogs in areas of peatlands. As these bogs have an elevation that is higher than the rest of the plain, they are not covered in snow.

Visible along the edge of the plain and to the north is the Ob River. The river’s surface is also frozen and snow covered, lending it its white appearance.

Confluence of Biya and Katun Rivers Forming the Ob River, Russia

52.5N 85.2E

May 10th, 2010 Category: Mountains, Rivers

Russia - April 28th, 2010

Russia - April 28th, 2010

The Ob River crosses the upper half of this orthorectified image of western Siberia, Russia. It is the country’s fourth longest river and is famous for having the longest estuary in the world.

Here, the Ob can be observed at its origin: the confluence of the Biya and Katun Rivers, 16 miles (26 km) southwest of Biysk in Altai Krai (the city is visible upon opening the full image).

Both the Biya and the Katun have their origin in the Altai Mountains, visible here in the lower part of the image. The former issues from Lake Teletskoye; the latter, 80 miles (130 km) long, bursts out of a glacier on Mount Byelukha.

many square and rectangular fields can be seen near the river’s banks. Further south, the peaks of the Altai Mountains

Ob River Crossing West Siberian Plain, Russia

53.3N 82.9E

April 8th, 2010 Category: Rivers

Russia - March 5th, 2010

Russia - March 5th, 2010

The West Siberian Plain is a large plain that occupies the western portion of Siberia and Russia. Much of the plain is poorly drained and consists of some of the world’s largest swamps and floodplains. In fact, it is one of the world’s largest areas of peatlands, which are characterized by raised bogs. Here some of those marshy areas appear as greyish streaks across the white, snow-covered landscape.

The plain covers an area of more than 975,000 sq.mi. It has been described as the world’s largest unbroken lowland—more than 50 percent is less than 330 feet (100 m) above sea level— and covers an area of about 2.6–2.7 million km² which is about one third of Siberia. It extends from north to south for 2,400 km, from the Arctic Ocean to the foothills of the Altay Mountains, and from west to east for 1,900 km from the Yenisei River to the Ural Mountains.

The principal rivers in the West Siberian Plain are the Ob, Irtysh, and Yenisei. Here, the Ob River is visible in the upper right quadrant. Glacial deposits on the plain extend as far south as the Ob-Irtysh confluence, forming occasional low hills and ridges, but otherwise the plain is exceedingly flat and featureless.

The Ob River and the Novosibirsk Reservoir, Russia

February 26th, 2009 Category: Lakes, Rivers

River, Russia - February 25th, 2009

River, Russia - February 25th, 2009

Snow blankets this part of the West Siberian Plain in south-central Russia.

A series of lakes are visible as black areas in the lower left quadrant, on the southern edge of the plain. The largest and easternmost of these is Lake Kulundinskoye.

North of this lake, bright white due to the snow covering it, is the Novosibirsk (or Novosibirskoye) Reservoir, informally called the Ob Sea.

It is the largest artificial lake in Novosibirsk Oblast and Altai Krai, created by a hydroelectric dam on the Ob River near Novosibirsk. The reservoir is 160 km long and up to 20 km wide.

The Ob River, Russia’s fourth-largest, can be seen in the upper left quadrant above the reservoir.

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