Byoryolyokh (Ayan-Yuryakh)

The Byoryolyokh (Russian: Бёрёлёх) is a river in Magadan Oblast, Russian Federation. It is a left tributary of the Ayan-Yuryakh of the Kolyma river basin.[1]

For the river in Yakutia, see Byoryolyokh.
Byoryolyokh
Бёрёлёх
The Byoryolokh flowing across Susuman town
Byoryolyokh (Ayan-Yuryakh) is located in Magadan Oblast
Byoryolyokh (Ayan-Yuryakh)
Mouth location in Magadan Oblast, Russia
Physical characteristics
SourceOkhandya Range
 • locationSusumansky District, Magadan Oblast, Russia
 • coordinates63°55′49″N 146°59′47″E
 • elevation1,540 metres (5,050 ft)
MouthAyan-Yuryakh[1]
 • coordinates
62°24′55″N 147°32′13″E
 • elevation
545 metres (1,788 ft)
Length239 kilometres (149 mi)[2]
Basin size9,810 square kilometres (3,790 sq mi)[2]
Discharge 
 • average315 m3/s (11,100 cu ft/s)
Basin features
ProgressionAyan-Yuryakh → Kolyma→ East Siberian Sea

The name of the river is based on the Yakut word "Börölöökh" (Бөрөлөөх), referring to a place where there are wolves.[3]

History

The Byoryolyokh was first put on the map in 1891 by Ivan Chersky and for almost four decades it was thought that it was one of the rivers whose confluence formed the Kolyma. However, after a more thorough survey of the region carried out by Sergei Obruchev in 1929 it was established that the two rivers forming the Kolyma are the Ayan-Yuryakh and the Kulu.[4]

Course

The Byoryolyokh has its sources at the northern end of the Okhandya Range and heads southwards below the western slopes of the range. [5] After passing by Susuman it heads roughly southwestwards and finally it meets the Ayan-Yuryakh shortly upstream from its confluence with the Kulu.[6][7]

The river flows across the Upper Kolyma Highlands and is fed primarily by rain and snow. Many stretches freeze to the bottom in the winter. The tributaries of the Byoryolyokh are mostly short. Some of the main ones are the 61 kilometres (38 mi) long Burgandya, the 45 kilometres (28 mi) long Taboga, the 44 kilometres (27 mi) long Malyk-Siena flowing from Lake Malyk, the 106 kilometres (66 mi) long Susuman and the 69 kilometres (43 mi) long Sylgybystakh from the left, as well as the 48 kilometres (30 mi) long Chay-Yuryue from the right.[2]

See also

References
  1. "Аян-Юрях" [Ayan-Yuryakh]. Вода Россия [Water Russia] (in Russian). Retrieved 10 July 2021.
  2. "Река Берелёх" [Ayan-Yuryakh River]. Государственный Водный Реестр [State Water Register] (in Russian). Retrieved 10 July 2021.
  3. Leontyev V.V. , Novikova K.A. Toponymic Dictionary of the North-East of the USSR / Scientific ed. G. A. Menovschikov ; FEB AN USSR . North-East complex. Research institute for Archeology, History and Ethnography. - Magadan: Magad. Prince Publishing House , 1989 . P. 85 . - ISBN 5-7581-0044-7
  4. B.G. Shcherbinin, V.V. Leont'ev. Where geologists have gone/ V. F. Bely, G. L. Maltsev & K. A. Novikova - reviewers - Magadan Book Publishing House Magadan, 1980. - pp. 25-27.
  5. "Аян-Юрях". Больша́я сове́тская энциклопе́дия (in Russian). Retrieved 10 July 2021.
  6. "Топографска карта P-55 56; M 1:1 000 000 - Topographic USSR Chart (in Russian)". Retrieved 3 January 2022.
  7. Google Earth


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