The Vilyuy Plateau () is a mountain

plateau In geology and physical geography, a plateau (; ; : plateaus or plateaux), also called a high plain or a tableland, is an area of a highland consisting of flat terrain that is raised sharply above the surrounding area on at least one side. ...

Krasnoyarsk Krai Krasnoyarsk Krai (, ) is a federal subjects of Russia, federal subject (a krai) of Russia located in Siberia. Its administrative center is the types of inhabited localities in Russia, city of Krasnoyarsk, the second-largest city in Siberia after ...

and the

Sakha Republic Sakha, officially the Republic of Sakha (Yakutia), is a republics of Russia, republic of Russia, and the largest federal subject of Russia by area. It is located in the Russian Far East, along the Arctic Ocean, with a population of one million ...

(Yakutia),

Siberia Siberia ( ; , ) is an extensive geographical region comprising all of North Asia, from the Ural Mountains in the west to the Pacific Ocean in the east. It has formed a part of the sovereign territory of Russia and its predecessor states ...

Russia Russia, or the Russian Federation, is a country spanning Eastern Europe and North Asia. It is the list of countries and dependencies by area, largest country in the world, and extends across Time in Russia, eleven time zones, sharing Borders ...

. It is a part of the

Central Siberian Plateau The Central Siberian Plateau (; ) is a vast mountainous area in Siberia, one of the Great Russian Regions. Geography The plateau occupies a great part of central Siberia between the Yenisei and Lena rivers. It is located in the Siberian Plat ...

and it is made up mainly of the upper course section of the Vilyuy River.

Permafrost Permafrost () is soil or underwater sediment which continuously remains below for two years or more; the oldest permafrost has been continuously frozen for around 700,000 years. Whilst the shallowest permafrost has a vertical extent of below ...

thickness up to , the largest in the world, was discovered under the Vilyuy Plateau.Vilyui plateau // Dictionary of modern geographical names / Rus. geo about . Mosk. center; Under the total. ed. Acad. V.M. Kotlyakova . Institute of Geography RAS . - Yekaterinburg: U-Factoria, 2006A review of the nature and geophysical studies of the thick permafrost in Siberia
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Geography

The Vilyuy Plateau is located both north and south of the

Arctic Circle The Arctic Circle is one of the two polar circles, and the northernmost of the five major circle of latitude, circles of latitude as shown on maps of Earth at about 66° 34' N. Its southern counterpart is the Antarctic Circle. The Arctic Circl ...

in northeastern Krasnoyarsk Krai and western Sakha Republic. To the southwest it borders

Irkutsk Oblast Irkutsk Oblast (; ) is a federal subjects of Russia, federal subject of Russia (an oblast), located in southeastern Siberia in the basins of the Angara River, Angara, Lena River, Lena, and Nizhnyaya Tunguska Rivers. The administrative center is ...

. To the north rises the Anabar Plateau, to the west the Syverma Plateau and to the northwest the Putorana Mountains. To the east the plateau descends gradually towards the broad

Lena River The Lena is a river in the Russian Far East and is the easternmost river of the three great rivers of Siberia which flow into the Arctic Ocean, the others being Ob (river), Ob and Yenisey. The Lena River is long and has a capacious drainage basi ...

valley and to the southeast it runs into the Central Yakutian Lowland, which leads to the

Lena Plateau The Lena Plateau, also known as Prilensky Plateau (; ), is one of the great plateaus of Siberia. Administratively it is mostly within the Sakha Republic (Yakutia), with a small sector in the Irkutsk Oblast, Far Eastern Federal District, Russia. T ...

on the southern side. The average height of the Vilyuy Plateau surface is around and the highest point is a high unnamed summit. The major rivers having their source in the plateau are the Vilyuy, Markha, Olenyok, Ygyatta and Lakharchana, as well as the Akhtaranda —with the Alymdya and Olguydakh. Rivers Ulakhan-Botuobuya, Sen and Chirkuo flow across it.

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There are also numerous lakes, including Suringda and the man-made Vilyuy Reservoir.

Flora and climate

There is

larch Larches are deciduous conifers in the genus ''Larix'', of the family Pinaceae (subfamily Laricoideae). Growing from tall, they are native to the cooler regions of the northern hemisphere, where they are found in lowland forests in the high la ...

taiga Taiga or tayga ( ; , ), also known as boreal forest or snow forest, is a biome characterized by coniferous forests consisting mostly of pines, spruces, and larches. The taiga, or boreal forest, is the world's largest land biome. In North A ...

on the mountain slopes, with thickets of prostrate

alder Alders are trees of the genus ''Alnus'' in the birch family Betulaceae. The genus includes about 35 species of monoecious trees and shrubs, a few reaching a large size, distributed throughout the north temperate zone with a few species ex ...

and mountain tundra on the higher elevations. There are meadows in the river valleys.Вилюйское плато

Great Soviet Encyclopedia The ''Great Soviet Encyclopedia'' (GSE; , ''BSE'') is one of the largest Russian-language encyclopedias, published in the Soviet Union from 1926 to 1990. After 2002, the encyclopedia's data was partially included into the later ''Great Russian Enc ...

in 30 vols. / Ch. ed. A.M. Prokhorov . - 3rd ed. - M, 1969-1978. The climate prevailing in the Vilyuy Plateau is

subarctic The subarctic zone is a region in the Northern Hemisphere immediately south of the true Arctic, north of hemiboreal regions and covering much of Alaska, Canada, Iceland, the north of Fennoscandia, Northwestern Russia, Siberia, and the Cair ...

continental. The winters are some of the most severe in the

Northern Hemisphere The Northern Hemisphere is the half of Earth that is north of the equator. For other planets in the Solar System, north is defined by humans as being in the same celestial sphere, celestial hemisphere relative to the invariable plane of the Solar ...

References

External links

*{{Commons category inline
Soil Cover of the North of Central SiberiaAnalyzing winter migration fidelity and movement of the wild Taimyr reindeer herd, Rangifer T. tarandus
Central Siberian Plateau Landforms of Krasnoyarsk Krai Plateaus of the Sakha Republic Landforms of Irkutsk Oblast