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Title: Irtysh  
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Subject: Geography of Russia, 402, Ob River, Altai Mountains, Trans-Siberian Railway, Cossacks, Omsk, Aral Sea, List of rivers of Asia, Omsk Oblast
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Irtysh River
Origin Altay Mountains
Mouth Ob River
Basin countries Russia, Kazakhstan, China, Mongolia
Length 4,248 kilometres (2,640 mi)
Avg. discharge 2,150 cubic metres per second (76,000 cu ft/s) (near Tobolsk)
Basin area 1,643,000 square kilometres (634,000 sq mi)

The Irtysh River (Russian: Иртыш; Kazakh: Ертiс / Yertis; Chinese: 额尔齐斯河, pinyin: É'ěrqísī hé; Uyghur: ئېرتىش; Mongolian: Эрчис мөрөн, "Twirl"; Tatar Cyrillic: Иртеш, Latin: İrteş) is a river in Siberia and Kazakhstan and is the chief tributary of the Ob River.

Irtysh's main affluents are the Tobol River and the Ishim River. The Ob-Irtysh system forms a major drainage basin in Asia, encompassing most of Western Siberia and the Altai Mountains.


From its origins as the Kara-Irtysh (Black Irtysh) in the Mongolian Altay mountains in Xinjiang, China, the Irtysh flows northwest through Lake Zaysan in Kazakhstan, meeting the Ishim and Tobol rivers before merging with the Ob near Khanty-Mansiysk in western Siberia, Russia after 4,248 kilometres (2,640 mi).

The name Black Irtysh (Kara-Irtysh in Kazakh, or Cherny Irtysh in Russian) is applied by some authors, especially in Russia and Kazakhstan, to the upper course of the river, from its source entering Lake Zaysan. The term White Irtysh, in opposition to the Black Irtysh, was occasionally used in the past to refer to the Irtysh below lake Zaysan;[1] now this usage is largely obsolete.

Economic use

In Kazakhstan and Russia, tankers, passenger and freight boats navigate the river between April and October, when it does not freeze over. Omsk, home to the headquarters of the state-owned Irtysh River Shipping Company, functions as the largest river port in Western Siberia.

On the Kazakhstan section of the river there are presently 3 major hydroelectric plants, namely at Bakhtarma, Ust-Kamenogorsk and Shulbinsk. The world's deepest lock, with a drop of 42 metres, allows river traffic to by-pass the dam at Ust-Kamenogorsk.[2] Plans exist for the construction of several more dams.

Three dams have been constructed on the Chinese section of the Irtysh as well: the Keketuohai (可可托海) Dam (47°10′51″N 89°42′35″E / 47.18083°N 89.70972°E / 47.18083; 89.70972), the Kalasuke (喀腊塑克) Dam (47°08′14″N 88°53′15″E / 47.13722°N 88.88750°E / 47.13722; 88.88750),[3][4] and the Project 635 Dam. There are also the Burqin Chunkur Dam and the Burqin Shankou Dam on the Irtysh's right tributary, the Burqin River.

Northern river reversal proposals, widely discussed in the 1960s and 1970s, would send some of the Irtysh's (and possibly Ob's) water to the water-deficient regions of central Kazakhstan and Uzbekistan. Some versions of this project would have seen the direction of flow of the Irtysh reversed in its section between the mouth of the Tobol (at Tobolsk) and the confluence of the Irtysh with the Ob at Khanty-Mansiysk, thus creating an "Anti-Irtysh".[5] While these gigantic interbasin transfer schemes were not implemented, a smaller Irtysh–Karaganda Canal was built between 1962 and 1974 to supply water to the dry Kazakh steppes and to one of the country's main industrial center, Karaganda. In 2002, pipelines were constructed to supply water from the canal to the Ishim River and Kazakhstan's capital, Astana.

In China, a short canal was constructed in 1987 (water intake at 47°26′31″N 87°34′11″E / 47.44194°N 87.56972°E / 47.44194; 87.56972) to divert some of the Irtysh water to the endorrheic Lake Ulungur, whose level had been falling precipitously due to the increasing irrigation use of the lake's main affluent, the Ulungur River.[6] In the last years of the 20th century and the early 2000s, a much more major project, the Irtysh–Karamay–Urümqi Canal was completed. Increased water use in China has caused significant concerns among Kazakh and Russian environmentalists.[7][8] According to a report published by Kazakhstan fishery researchers in 2013, the total Irtysh water use in China is about 3 km3 per year; as a result, only about 2/3 of what would be the river's "natural" flow (6 km3 out of 9 km3) reach the Kazakh border.[9]


A number of Mongol and Turkic peoples occupied the river banks for many centuries. In 657, Tang Dynasty general Su Dingfang defeated Ashina Helu, qaghan of the Western Turkic Khaganate, at the Battle of Irtysh River, ending the Tang campaign against the Western Turks.[10] Helu's defeat ended the Khaganate, strengthened Tang control of Xinjiang, and led to Tang suzerainty over the western Turks.[11]

In the 15th and 16th centuries the lower and middle courses of the Irtysh lay within the Tatar Khanate of Sibir, which the Russians conquered in the 1580s. In the 17th century the Zunghar Khanate, formed by the Mongol Oirat people, became Russia's southern neighbor, and controlled the upper Irtysh. The Russians founded the cities of Omsk in 1716, Semipalatinsk in 1718, Ust-Kamenogorsk in 1720, and Petropavlovsk in 1752.

The Chinese Qing Empire conquered the Zunghar state in the 1750s. This prompted an increase in the Russian authorities' attention to their borderland; in 1756, the Orenburg Governor Ivan Neplyuyev even proposed the annexation of the Lake Zaysan region, but this project was forestalled by Chinese successes.[12] Concerns were raised in Russia (1759) about the (theoretical) possibility of a Chinese fleet sailing from Lake Zaysan down the Irtysh and into Western Siberia. A Russian expedition visited Lake Zaysan in 1764, and concluded that such a riverine invasion would not be likely. Nonetheless, a chain of Russian pickets was established on the Bukhtarma River, north of Lake Zaysan.[13] Thus the border between the two empires in the Irtysh basin became roughly delineated, with a (sparse) chain of guard posts on both sides.

The situation in the borderlands in the mid-19th century is described in a report by A.Abramof (1865). Even though the Zaysan region was recognized by both parties as part of the Qing Empire, it had been annually used, by fishing expeditions sent by the Siberian Cossack Host. The summer expeditions started in 1803, and in 1822-25 their range was expanded through the entire Lake Zaysan and to the mouth of the Black Irtysh. Through the mid-19th century, the Qing presence on the upper Irtysh was mostly limited to the annual visit of the Qing amban from Chuguchak to one of the Cossacks' fishing stations (Batavski Piket).[14]

The border between the Russian and the Qing empires in the Irtysh basin was established along the line fairly similar to China's modern border with Russia and Kazakhstan by the Convention of Peking of 1860.[15] The actual border line pursuant to the convention was drawn by the Protocol of Chuguchak (1864), leaving Lake Zaysan on the Russian side.[16][17] The Qing Empire's military presence in the Irtysh basin crumbled during the Dungan revolt (1862–77). After the fall of the rebellion and the reconquest of Xinjiang by Zuo Zongtang, the border between the Russian and the Qing empires in the Irtysh basin was further slightly readjusted, in Russia's favor, by the Treaty of Saint Petersburg (1881).

Cities along the river

Major cities on the Irtysh, from source to mouth, include:

Cultural references

The Irtysh River serves as a backdrop in the epilogue of Fyodor Dostoyevsky's 1866 novel Crime and Punishment.

Other uses

See also



Coordinates: 61°05′24″N 68°49′15.60″E / 61.09000°N 68.8210000°E / 61.09000; 68.8210000

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