Irtysh River

The Irtysh River in Omsk

Course of the Irtysh in the catchment area of the Ob

Irtysh in Koktokay ( Xinjiang )

Catchment area of ​​the Irtysh River with tributaries

The Irtysh (Russian Иртыш, Kazakh Ертіс ( Ertis ), in China officially Ertix, Chinese É'ěrqísī额尔齐斯河Hé ) is a 4248 km long left tributary of the Ob in China, Kazakhstan and Russia ( Asia).

Course

The river rises in China in the Mongolian Altai as "Black Irtysh " ( he is named to the confluence with the Saissansee ), reached Kazakhstan and flows in a north-westerly direction to the western Altai, which he then also flows through. Not only is the Irtysh River flows through the flooded from Buchtarma Reservoir Saissansee. After flowing through of the dam of the reservoir, which is located at Öskemen, in the vast steppes of Kazakhstan, he enters at Semipalatinsk. At the latest at the Semey Irtysh reached the West Siberian lowlands east of the Urals. Southeast of Omsk he comes to Russia, happened after the city of Tobolsk and finally joins up with Khanty-Mansiysk in the Ob.

Flow length and catchment area

The Irtysh River ( 4248 km ), together with the lower reaches of the Ob ( 1162 km ), one of the longest rivers of the earth, the Irtysh -Ob, which has a total length of 5410 km. Its catchment area covers 1,673,470 km ², equivalent to about 4.6 times the size of Germany. In spite of the much larger catchment area of the Irtysh leads with around 2960 m³ / s less than half as much water as the Ob at the confluence ( approximately 7200 m³ / s).

Reservoirs

Among the numerous reservoirs on the Irtysh Buchtarma the reservoir part ( 5490 km ² 49.80 km ³).

Tributaries

Its main tributaries are the right side Buchtarma, the Om and the Demjanka and left side of the Ishim, Tobol and of the Konda.

Channels

Irtysh - Karaganda Canal

Others

  • From early November to late April, the Irtysh is frozen.
  • Timofejewitsch Yermak, the conqueror of Siberia drowned on September 15, 1585 in the Irtysh.
  • The Irtysh is considered as the longest tributary of the world (and also has the largest catchment area of all tributaries ).
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