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City of Krasnoyarsk by Krasnoyarskoye Reservoir, Russia

55.2N 91.9E

October 11th, 2010 Category: Lakes, Rivers

Russia - August 29th, 2010

The Krasnoyarskoye Reservoir, on the Yenisei River in Russia, is one of the largest man-made lakes in Siberia. It is visible here as a thick navy blue line in a curved shape near the center of the image.

Upon opening the full image, many tan and brown fields can be seen by the northern part of the reservoir. The remainder of the surrounding land is mostly forested. The city of Krasnoyarsk is also visible on the banks of the Yenisei past the northern end of the reservoir.

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.

Frozen Angara River in Russian Siberia

58.3N 97.4E

February 7th, 2010 Category: Rivers

Russia - January 26th, 2010

Russia - January 26th, 2010

The Angara River is a 1,779 kilometer (1,105 mi) long river that runs across Irkutsk Oblast and Krasnoyarsk Krai in southeastern Siberia, Russia. It is the only river flowing out of Lake Baikal, and is a headwater of the Yenisei River. Here, the river appears as a white line crossing the snow-dusted Siberian landscape.

Leaving Lake Baikal near the settlement of Listvyanka, the Angara flows north past the Irkutsk Oblast’s cities of Irkutsk, Angarsk, Bratsk, and Ust-Ilimsk. It then turns west, enters the Krasnoyarsk Krai, and falls into the Yenisei near Strelka. Below its junction with the Ilim River the Angara has been known in the past as the Upper Tunguska.

The Ust-Ilimsk Reservoir on the Angara River, Russia

58.0N 102.8E

November 10th, 2009 Category: Lakes, Rivers

Russia - October 5th, 2009

Russia - October 5th, 2009

The Angara River (Russian: Ангара́) is a 1,779 kilometers (1,105 mi) long river in Irkutsk Oblast and Krasnoyarsk Krai, south-east Siberia, Russia. It is the only river flowing out of Lake Baikal, and is a headwater of the Yenisei River.

Here, it is visible near Ust-Ilimsk, after flowing past Bratsk. It then turns west, enters the Krasnoyarsk Krai, and falls into the Yenisei near Strelka.

The Angara is dammed by the dams of three major hydroelectric plants that have been constructed since the 1950s: Irkutsk Dam, Bratsk Dam forming the Bratsk Reservoir, Ust-Ilimsk Dam forming the Ust-Ilimsk Reservoir (visible here), and Boguchany Dam (under construction) at Kodinsk.

Sediments in Gulf of Ob and Khalmyer Bay, Russia – August 13th, 2009

72.3N 75.2E

August 13th, 2009 Category: Image of the day, Rivers

Russia - July 27th, 2009

Russia - July 27th, 2009

The long, narrow Gydan Peninsula in Russian Siberia separates the Gulf of Ob (left) from the Khalmyer Bay (right). Both bodies of water are loaded with sediments, although the former is dark brown in color while the latter appears yellow and green.

The Gulf of Ob is an immense bay of the Arctic Ocean in Northern Russia, at the head of which is the mouth of the Ob River. This Gulf flows into the Kara Sea between the Yamal Peninsula (lower left quadrant) and the Gydan Peninsula.

The Gulf is about 1,000 km (600 mi) long and varies from about 50 km (30 mi) to 80 km (50 mi) in width, running generally north and south. It is relatively shallow, with an average depth from ten to twelve metres which restricts heavy sea transport.

Khalmyer Bay, on the other hand, is roughly 185 km long and 47 km wide at its widest point. This deep bay lies in the Kara Sea between the estuaries of the Ob and the Yenisei River. Khalmyer Bay is surrounded by tundra coast and there are numerous river mouths on its shores.