Uchur River

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Location of Utschur ( Учур ) in the catchment area of the Aldan

The Utschur (Russian Учур ) is a 812 km long right tributary of the Aldan in Siberia (Russia, Asia).

Course

The Utschur rises in the easternmost part of the Stanowoigebirges in about 1500 m altitude. It first flows in an easterly direction, then turns north and intersects or wraps around the to 2258 meters high Geran comb and the Ulkan comb, spur of the Stanowoigebirges toward the Dschugdschurgebirges.

The river then flows in a westerly direction, reached the eastern edge of the Aldanhochlandes along which it flows back into northern directions in wide arcs. It flows about five kilometers below the located on the right bank of the Aldan village Tschagda in 179 m altitude in the Aldan.

The most important tributaries of the left Ujan (length 233 km), Tyrkan (238 km), Gonam ( 686 km ) and Gynym (297 km), from the right Ulkan (111 km).

The Utschur flows through first the northwest part of the Khabarovsk region and reaches the confluence of its largest tributary Gonam Autonomous Republic of Sakha ( Yakutia).

Hydrography

The catchment area of ​​Utschur comprises 113,000 km ². In estuaries near the river reaches a width of nearly 500 feet and about four feet deep; The flow rate is 1.1 m / s

The Utschur freezes between the end of October / beginning of November and the first half of May, followed by the whole summer lasting flood follows. In the area of ​​outcrop stepping from thermal sources ( ice-free river sections ) are preserved during the whole winter polynyas.

The average discharge of the Utschur is 154 kilometers above the mouth of 1345 m³ / s with a mean monthly minimum of 46 m³ / s in March and a maximum of 3652 m³ / s in June.

Infrastructure

The Utschur is not navigable, despite its depth and its considerable water flow due to a variety of sandbars in the lower reaches.

The -carrying area is virtually uninhabited. Riverside there are no places, and accordingly lacks any infrastructure completely.

Swell

• Utschur in Geography Handbook Yakutia ( the website of the Ministry of Nature Protection of the Republic of Sakha ( Yakutia ), Russian; archived in the Internet Archive, accessed on 18 February 2011)
• R- ArcticNet - A Regional, Electronic, Hydrographic Data Network For the Arctic region