Olyokma: Difference between revisions

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			{{other uses}}
	{{Unreferenced stub\|auto=yes\|date=December 2009}}
			{{Infobox river
⚫	]
			\| name = Olyokma<br />{{langx\|sah\|Өлүөхүмэ}}
	The '''Olyokma River''' ({{Lang-ru\|Олёкма}}) is a ] of the ] in eastern ]. To the west is the ], to the south the ] and ] and to the east, the upper ]. Its right branch, the Tungur River, leads to a portage to the Shilka. ] used this route to travel from the Lena to the Amur. Other tributaries are the Nyukzha River (]) and the Chara River (]).
			\| image = Olyokma river.jpg
			\| image_size =
			\| image_caption = View of the river
			\| pushpin_map = Russia Sakha Republic
			\| pushpin_map_size =
			\| pushpin_map_caption= Location in the ], Russia
			\| source1 = ], ]
			\| source1_location = ], ]
			\| source1_coordinates = {{coord\|53\|44\|42\|N\|117\|20\|16\|E\|source:wikidata-and-enwiki-cat-tree_region:RU}}
			\| source1_elevation = {{convert\|1500\|m\|abbr=on}}
			\| mouth = ]
			\| mouth_location = ], Yakutia
			\| mouth_coordinates = {{coord\|60\|22\|27\|N\|120\|40\|40\|E\|source:wikidata-and-enwiki-cat-tree_region:RU}}
			\| mouth_elevation = {{convert\|115\|m\|abbr=on}}
			\| progression = {{RLena}}
			\| subdivision_type1 = Country
			\| subdivision_name1 = ]
			\| subdivision_type2 = Region
			\| subdivision_name2 = ], ]
			\| length = {{convert\|1436\|km\|abbr=on}}
			\| discharge1_avg = {{convert\|2110\|m3/s\|abbr=on}}
			\| basin_size = {{convert\|210000\|km2\|abbr=on}}
			}}
			The '''Olyokma''' ({{langx\|ru\|Олёкма}}, {{transl\|ru\|''Olyokma''}}, {{IPA\|ru\|ɐˈlʲɵkmə\|IPA}};<ref name=KNAB/> {{langx\|sah\|Өлүөхүмэ}}, {{transl\|sah\|''Ölüöxüme''}}<ref name=KNAB/>) is a ] of the ] in eastern ].

			The river gives its name to the ], located to the west of its western bank.<ref></ref>
	The river is approximately 1,320 km long. The Olyokma rises in the south of the ], west of ]. It flows north through remote terrain before joining the Lena near ].
			==History==
			In the summer of 1631, Russian pioneer ] entered the Olyokma during his first voyage down the ] and in 1636 he founded the present-day city of ] near the mouth of the river on the left bank of Lena.<ref name="ЭСБЕ"/>

			] used this river's route to travel from the Lena to the ] during his mid-17th century expeditions. In the spring of 1649 Khabarov set off at his own expense up the Olyokma, then up its tributary, the ] and ]d to the ], reaching the upper Amur (]) in early 1650.<ref name=KNAB>{{cite web\|url=http://www.eki.ee/knab/p_mm_en.htm \|title=KNAB, the Place Names Database of EKI \|publisher=Eki.ee \|access-date=2013-01-01}}</ref>
⚫	{{~~Coord~~ ~~missing~~\|Russia}}
			==Course==
			The river is {{convert\|1436\|km}} long, and has a ] of {{convert\|210000\|km2}}.<ref name=gvr>{{GVR\|241279\|Река Олёкма}}</ref> The Olyokma rises in the ], ] (Олёкминский Становик), west of ]. It flows through remote terrain and cuts across the ] of the ] through a narrow valley. Further north, it bends around the eastern end of the ] and flows roughly north before joining the Lena near ].<ref></ref>

			To the west flows the ], to the south the ] and Amur, and to the east the upper ]. Its main tributaries are the ], the ] and the ] —with its tributary the ].<ref name="ЭСБЕ">''Олёкма'' // ], in 30 vols. / Ch. ed. A.M. Prokhorov . - 3rd ed. - M., 1969-197</ref>
			{\|
			\|- valign="top"
		⚫	\|]
			\|]
			\|}

			==See also==
			*]
			*]

			==References==
			{{Reflist}}
			==External links==
			*{{commonscat inline}}
			{{Authority control}}

		⚫	{{Portal bar\|Russia}}

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			{{FarEast-Russia-river-stub}}

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Latest revision as of 12:35, 31 October 2024

For other uses, see Olyokma (disambiguation). River in Yakutia, Russia

Olyokma Yakut: Өлүөхүмэ
View of the river
Location in the Sakha 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″N 117°20′16″E / 53.74500°N 117.33778°E / 53.74500; 117.33778
• elevation	1,500 m (4,900 ft)

Mouth	Lena
• location	Troitsk, Yakutia
• coordinates	60°22′27″N 120°40′40″E / 60.37417°N 120.67778°E / 60.37417; 120.67778
• elevation	115 m (377 ft)
Length	1,436 km (892 mi)
Basin size	210,000 km (81,000 sq mi)

Discharge
• average	2,110 m/s (75,000 cu ft/s)

Basin features
Progression	Lena→ Laptev Sea

The Olyokma (Russian: Олёкма, Olyokma, IPA: [ɐˈlʲɵkmə]; Yakut: Өлүөхүмэ, Ölüöxüme) is a tributary of the Lena in eastern Siberia.

The river gives its name to the Olyokma-Chara Plateau, located to the west of its western bank.

History

In the summer of 1631, Russian pioneer Pyotr Beketov entered the Olyokma during his first voyage down the Lena and in 1636 he founded the present-day city of Olyokminsk near the mouth of the river on the left bank of Lena.

Yerofey Khabarov used this river's route to travel from the Lena to the Amur during his mid-17th century expeditions. In the spring of 1649 Khabarov set off at his own expense up the Olyokma, then up its tributary, the Tungir and portaged to the Shilka River, reaching the upper Amur (Dauria) in early 1650.

Course

The river is 1,436 kilometres (892 mi) long, and has a drainage basin of 210,000 square kilometres (81,000 sq mi). The Olyokma rises in the Muroy Range, Olyokma-Stanovik Highlands (Олёкминский Становик), west of Mogocha. It flows through remote terrain and cuts across the Kalar Range of the Stanovoy Highlands through a narrow valley. Further north, it bends around the eastern end of the Udokan Range and flows roughly north before joining the Lena near Olyokminsk.

To the west flows the Vitim, to the south the Shilka and Amur, and to the east the upper Aldan. Its main tributaries are the Tungir, the Nyukzha and the Chara —with its tributary the Tokko.