Olyokma
| Olyokma Yakut:Өлүөхүмэ | |
|---|---|
 View of the river | |
  Location in theSakha Republic,Russia | |
| Location | |
| Country | Russia |
| Region | Zabaykalsky Krai,Yakutia |
| Physical characteristics | |
| Source | Muroy Range,Olyokma-Stanovik |
| • location | Tungiro-Olyokminsky District,Zabaykalsky Krai |
| • coordinates | 53°44′42″N117°20′16″E/ 53.74500°N 117.33778°E |
| • elevation | 1,500 m (4,900 ft) |
| Mouth | Lena |
• location | Troitsk,Yakutia |
• coordinates | 60°22′27″N120°40′40″E/ 60.37417°N 120.67778°E |
• elevation | 115 m (377 ft) |
| Length | 1,436 km (892 mi) |
| Basin size | 210,000 km2(81,000 sq mi) |
| Discharge | |
| • average | 2,110 m3/s (75,000 cu ft/s) |
| Basin features | |
| Progression | Lena→Laptev Sea |
TheOlyokma(Russian:Олёкма,Olyokma,IPA:[ɐˈlʲɵkmə];[1]Yakut:Өлүөхүмэ,Ölüöxüme[1]) is atributaryof theLenain easternSiberia.
The river gives its name to theOlyokma-Chara Plateau,located to the west of its western bank.[2]
History
[edit]In the summer of 1631, Russian pioneerPyotr Beketoventered the Olyokma during his first voyage down theLenaand in 1636 he founded the present-day city ofOlyokminsknear the mouth of the river on the left bank of Lena.[3]
Yerofey Khabarovused this river's route to travel from the Lena to theAmurduring his mid-17th century expeditions. In the spring of 1649 Khabarov set off at his own expense up the Olyokma, then up its tributary, theTungirandportagedto theShilka River,reaching the upper Amur (Dauria) in early 1650.[1]
Course
[edit]The river is 1,436 kilometres (892 mi) long, and has adrainage basinof 210,000 square kilometres (81,000 sq mi).[4]The Olyokma rises in theMuroy Range,Olyokma-Stanovik Highlands(Олёкминский Становик), west ofMogocha.It flows through remote terrain and cuts across theKalar Rangeof theStanovoy Highlandsthrough a narrow valley. Further north, it bends around the eastern end of theUdokan Rangeand flows roughly north before joining the Lena nearOlyokminsk.[5]
To the west flows theVitim,to the south theShilkaand Amur, and to the east the upperAldan.Its main tributaries are theTungir,theNyukzhaand theChara—with its tributary theTokko.[3]
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See also
[edit]References
[edit]- ^abc"KNAB, the Place Names Database of EKI".Eki.ee.Retrieved2013-01-01.
- ^Физическая география СССР - Ландшафтные области гор Южной Сибири - Байкальско-Становая область
- ^abОлёкма//Great Soviet Encyclopedia,in 30 vols. / Ch. ed. A.M. Prokhorov. - 3rd ed. - M., 1969-197
- ^"Река Олёкма in the State Water Register of Russia".textual.ru(in Russian).
- ^Russian State Water Register - Olyokma River
External links
[edit]
Media related toOlyokma Riverat Wikimedia Commons
| International | |
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| National | |
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