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{{short description|River in Russia}}
{{Geobox
{{Infobox river
| River
| name = Lena
<!-- *** Name section *** -->
| native_name = {{native name list |tag1=ru|name1=Лена |tag2=sah|name2=Өлүөнэ |tag3=evn|name3=Елюенэ |tag4=bua|name4=Зүлхэ |tag5=mn|name5=Зүлгэ}}
|name = Lena River
| name_other =
|native_name = Лена, Өлүөнэ
| name_etymology = <!---------------------- IMAGE & MAP -->
|other_name =
| image = Lone-maiden-formation.jpg
|other_name1 =
| image_size =
<!-- *** Image *** --->
| image_caption = The ] along the river near ]
|image = Lena_watershed.png
| map = Lena River basin.png
|image_size = 250px
| map_size =
|image_caption = Lena watershed
| map_caption = Lena watershed
<!-- *** Country etc. *** -->
| pushpin_map =
|country = ]
| pushpin_map_size =
|country1 =
| pushpin_map_caption = <!---------------------- LOCATION -->
|state =
| subdivision_type1 = Country
|state1 =
| subdivision_name1 = ]
|region =
| subdivision_type2 =
|region1 =
| subdivision_name2 =
|district =
| subdivision_type3 =
|district1 =
| subdivision_name3 =
|city =
| subdivision_type4 =
|city1 =
| subdivision_name4 =
|city2 =
| subdivision_type5 =
|city3 =
| subdivision_name5 = <!---------------------- PHYSICAL CHARACTERISTICS -->
|city4 =
| length = {{convert|4,294|km|abbr=on}}
|city5 =
| width_min =
|city6 =
| width_avg =
<!-- *** Geography *** -->
| width_max = {{convert|10,000|m|abbr=on}}
|length = 4472
| depth_min =
|watershed = 2500000
| depth_avg =
|discharge = 17000
| depth_max = {{convert|28|m|abbr=on}}
|discharge_location = ]<ref>http://www.abratsev.narod.ru/biblio/sokolov/p1ch23b.html, Sokolov, Eastern Siberia // Hydrography of USSR. (in russian)</ref>
| discharge1_location = ], ] (Basin size: {{convert|2,440,000|km2|abbr=on}} to {{convert|2,418,974|km2|abbr=on}}<ref name="Changing freshwater contributions to the Arctic">{{cite journal |last1=Stadnyk |first1=Tricia A. |last2=Tefs |first2=A. |last3=Broesky |first3=M. |last4=Déry |first4=S. J. |last5=Myers |first5=P. G. |last6=Ridenour |first6=N. A. |last7=Koenig |first7=K. |last8=Vonderbank |first8=L. |last9=Gustafsson |first9=D. |title=Changing freshwater contributions to the Arctic |journal=Elementa: Science of the Anthropocene |date=28 May 2021 |volume=9 |issue=1 |page=00098 |doi=10.1525/elementa.2020.00098 |bibcode=2021EleSA...9...98S |s2cid=236682638 |doi-access=free }}</ref>
|discharge_max = 200000
| discharge1_min = {{convert|366|m3/s|cuft/s|abbr=on}}
|discharge_min = 366
| discharge1_avg = (Period of data: 1971–2015){{convert|17,773|m3/s|cuft/s|abbr=on}}<ref name="Changing freshwater contributions to the Arctic"/>
|discharge1_location = ]
(Period of data: 1970–1999){{convert|17,067|m3/s|cuft/s|abbr=on}}<ref>{{cite web|url=https://www.iwp.ru/upload/medialibrary/6a1/6a16cca9b59251ad80a7945d9acb5ef6.pdf|title=Variations of the Present-Day Annual and Seasonal Runoff in the Far East and Siberia with the Use of Regional Hydrological and Global Climate Models|year=2018}}</ref>
|discharge1 = 480
{{convert|15,500|m3/s|cuft/s|abbr=on}}<ref>http://www.abratsev.narod.ru/biblio/sokolov/p1ch23b.html, Sokolov, Eastern Siberia // Hydrography of USSR. (in russian)</ref>
|discharge2_location = ]
| discharge1_max = {{convert|241,000|m3/s|cuft/s|abbr=on}}
|discharge2 = 1700

|discharge3_location = ]
], ], ]
|discharge3 = 4500
(Period of data: 1984–2018){{convert|577|km3/year|m3/s|abbr=on}}<ref name="Changing freshwater contributions to the Arctic"/>
|discharge4_location = ] inflow
(Period of data: 1940–2019) {{convert|545.7|km3/year|m3/s|abbr=on}}<ref>{{cite web|url=http://www.arctic.noaa.gov/Report-Card/Report-Card-2018/ArtMID/7878/ArticleID/786/Riser-Discharge|title=River Discharge }}</ref>
|discharge4 = 12100
| discharge5_location = ]
<!-- *** Source *** -->
| discharge5_min =
|source_name =
| discharge5_avg = {{convert|480|m3/s|cuft/s|abbr=on}}
|source_location = ]
| discharge5_max =
|source_district =
| discharge4_location = ]
|source_region =
| discharge4_min =
|source_state = ]
| discharge4_avg = {{convert|1,700|m3/s|cuft/s|abbr=on}}
|source_country = ]
| discharge4_max =
|source_lat_d =
| discharge3_location = ]
|source_lat_m =
| discharge3_min =
|source_lat_s =
| discharge3_avg = {{convert|4,500|m3/s|cuft/s|abbr=on}}
|source_lat_NS =
| discharge3_max =
|source_long_d =
| discharge2_location = ]
|source_long_m =
| discharge2_avg = {{convert|12,100|m3/s|cuft/s|abbr=on}}
|source_long_s =

|source_long_EW =
], ] (Basin size: {{convert|987,000|km2|mi2|abbr=on}}
|source_elevation = 1640
(Period of data: 1967–2017) {{convert|7,453.2|m3/s|cuft/s|abbr=on}}<ref name="HAL">{{cite journal |last1=Gautier |first1=Emmanuèle |last2=Dépret |first2=Thomas |last3=Cavero |first3=Julien |last4=Costard |first4=François |last5=Virmoux |first5=Clément |last6=Fedorov |first6=Alexander |last7=Konstantinov |first7=Pavel |last8=Jammet |first8=Maël |last9=Brunstein |first9=Daniel |title=Fifty-year dynamics of the Lena River islands (Russia): Spatio-temporal pattern of large periglacial anabranching river and influence of climate change |journal=Science of the Total Environment |date=August 2021 |volume=783 |pages=147020 |doi=10.1016/j.scitotenv.2021.147020 |pmid=34088165 |s2cid=234836524 |doi-access=free |bibcode=2021ScTEn.78347020G }}</ref>(max. {{convert|51,600|m3/s|cuft/s|abbr=on}})<ref name="HAL"/>
|source_length =
| source1 = ]
<!-- *** Mouth *** -->
| source1_location = ], ]
|mouth_name = ]
| source1_coordinates = {{coord|53|59|40|N|107|52|33|E|}} (approximately)
|mouth_location = ], ]
| source1_elevation = {{convert|1,640|m|abbr=on}}
|mouth_district =
| mouth = ]
|mouth_region =
| mouth_location = Arctic Ocean, ]
|mouth_state =
| mouth_coordinates = {{coord|72.4087|126.6847|display=it}}
|mouth_country =
| mouth_elevation = {{Convert|0|m|ft|abbr=on}}
|mouth_lat_d =
| progression =
|mouth_lat_m =
| river_system =
|mouth_lat_s =
| basin_size = {{convert|2,460,742|km2|mi2|abbr=on}} to {{convert|2,490,000|km2|mi2|abbr=on}}
|mouth_lat_NS =
| tributaries_left = ]
|mouth_long_d =
| tributaries_right = ], ], ], ]
|mouth_long_m =
| custom_label =
|mouth_long_s =
| custom_data =
|mouth_long_EW =
| extra = {{Infobox mapframe |wikidata=yes |zoom=2 |height=250 | stroke-width=1.5 |coord {{WikidataCoord|display=i}}}}
|mouth_elevation =
<!-- *** Tributaries *** -->
|tributary_left = ]
|tributary_left1 = ]
|tributary_right = ]
|tributary_right1 = ]
|tributary_right2 = ]
<!-- *** Free fields *** -->
|free_name =
|free_value =
<!-- *** Map section *** -->
|map =
|map_size =
|map_caption =
}} }}

The '''Lena''' ({{lang-ru|Ле́на}}; {{lang-sah|Өлүөнэ}}, ''Ölüöne'') is the easternmost of the three great ]n ]s that flow into the Arctic Ocean (the other two being the ] and the ]). It is the ] in the world and has the 9th largest ]. It is the greatest ]n river with its watershed entirely within national ranges.
The '''Lena''' is a ] in the ] and is the easternmost river of the three great rivers of ], including the ] and the ], which flow into the ]. {{NoteTag|{{langx|ru|Ле́на}}, {{IPA|ru|ˈlʲɛnə|IPA}}; {{langx|evn|Елюенэ}}, ''Eljujene''; {{langx|sah|Өлүөнэ}}, ''Ölüöne''; {{langx|bua|Зүлхэ}}, ''Zülkhe''; {{langx|mn|Зүлгэ}}, ''Zülge''}} The Lena river is {{cvt|4,294|km|mi}} long and has a capacious ] of {{cvt|2,490,000|km2|mi2}}; thus the Lena is the ] river in the world and the longest river entirely within ].<ref name=gvr>{{GVR|253823|Река Лена}}</ref> Geographically, ] is the type of soil that underlies most of the Lena river's ], twenty per cent (20%) of which is continuous.


==Course== ==Course==
The Lena river originates at {{convert|1640|meters|ft|0}} of elevation in the ], {{convert|7|km|mi|0}} west of ], south of the ]. The Lena river flows north-east and traverses the ], then is joined by three tributary rivers: (i) the ] river, (ii) the ] river, and (iii) the ] river. From ], the Lena river enters the ] and flows north until joined by the eastern tributary, the ], and the western tributary, the ]. Afterwards, the Lena bends westwards and northwards, flowing between the mountains of the ] to the east (part of the ]) and the mountains of the ] to the west. Travelling approximately due north, the Lena river widens into a great ] that merges into the ], a marginal region of the Arctic Ocean, south-west of the ]. The ] is {{convert|30000|km2|sqmi}} in area,<ref>{{cite web|url= http://www.panda.com.br/about_wwf/where_we_work/ecoregions/lena_river_delta.cfm|title= Lena River Delta - A Global Ecoregion|access-date= 2008-05-23|date= 2006-07-06|publisher= ]|url-status= dead|archive-url= https://archive.today/20070630031228/http://www.panda.com.br/about_wwf/where_we_work/ecoregions/lena_river_delta.cfm|archive-date= 2007-06-30}}</ref> being traversed by seven main branches, the most important being the Bykovsky channel, farthest east.
]
]
Rising at the height of {{convert|1640|m|ft|0}} at its source in the ] south of the ], {{convert|7|km|mi|0}} west of ], the Lena flows northeast, being joined by the ], ] and ]. From ] it enters the lowlands and flows north until joined by its right-hand affluent the ]. The ] deflects it to the north-west; then, after receiving its most important left-hand tributary, the ], it makes its way nearly due north to the ], a division of the ], emptying south-west of the ] by the ] - {{convert|30000|km2|sqmi|0}} in area,<ref>{{cite web |url= http://www.panda.com.br/about_wwf/where_we_work/ecoregions/lena_river_delta.cfm|title= Lena River Delta - A Global Ecoregion|accessdate=2008-05-23 |date= 2006-07-06|work= |publisher=]}} {{Dead link|date=September 2010|bot=H3llBot}}</ref> and traversed by seven principal branches, the most important being ], farthest east.
]
The Lena is navigable over a length of 3540 kilometres. The annual navigation period, when ice is minimally present or absent, lasts about 70 days in the estuarine region and 125 days elsewhere.<ref>{{cite journal |last1=Kim |first1=Yu-Na |last2=Krasilnikova |first2=Niurgustana |last3=Choi |first3=Young-Seo |last4=Yeo |first4=Gi-Tae |title=Structural analysis of factors for revitalizing lena river logistics using ISM method |journal=The Asian Journal of Shipping and Logistics |date=June 2023 |volume=39 |issue=2 |pages=46–51 |doi=10.1016/j.ajsl.2023.02.001 |doi-access=free }}</ref>


==Basin== ==Basin==
The area of the Lena river basin is calculated at {{convert|2490000|km2|sqmi}} and the mean annual discharge is 489 cubic kilometers per year. ] is washed out of the sands of the Vitim and the Olyokma, and ] tusks have been dug out of the delta. There are numerous lakes in the floodplain of the river. Lakes ] and ] are the largest in the basin of the Lena.
]
The total length of the river is estimated at 4,400&nbsp;km (2,800 ]). The area of the Lena river basin is calculated at {{convert|2490000|km2|sqmi|0}}. Gold is washed out of the sands of the Vitim and the Olyokma, and ] tusks have been dug out of the delta. The Lena has the unusual distinction of appearing to be the longest river in the world when viewed on a map using a ], the most common method of displaying the spherical earth on a flat surface, due to that projection's tendency to exaggerate the size of areas near the poles (the longer Amazon and Nile rivers both cross the equator.)


===Tributaries=== ===Tributaries===
The ] flows north between the upper Lena and Lake Baikal. The ] drains the area northeast of Lake Baikal. The ] flows north. The ] makes a long curve southeast and parallel to the Lena and flows into the Aldan. The ] makes similar curve southeast of the Aldan and flows into the Lena north of Yakutsk. The ], a tributary of the Aldan, drains an area almost to the Sea of Okhotsk. The T-shaped Chona-] system drains most of the area to the west. The ] flows north between the upper Lena River and Lake Baikal. The ] drains the area northeast of Lake Baikal. The ] flows north. The ] makes a long curve southeast and parallel to the Lena and flows into the Aldan. The ] also curves roughly parallel to the Lena until it turns east and flows into the Lena north of Yakutsk. The ], a tributary of the Aldan, drains an area almost to the Sea of Okhotsk. The T-shaped ]-] system drains most of the area to the west.

The main tributaries of the Lena are, from source to mouth:
{{div col|colwidth=15em}}
* ] (right)
* ] (left)
* ] (left)
* ] (right)
* ] (right)
* ] (left)
* ] (right)
* ] (left)
* ] (right)
* ] (right)
* ] (right)
* ] (left)
* ] (left)
* ] (left)
* ] (left)
* ] (right)
* ] (left)
* ] (left)
* ] (right)
**]
* ] (left)
* ] (left)
* ] (right)
* ] (left)
* ] (right)
* ] (right)
* ] (right)
* ] (right)
* ] (right)
* ] (right)
* ] (right)
* ] (right)
* ] (right)
** ]
* ] (right)
* ] (left)
* ] (right)
* ] (left)
* ] (left)
* ] (left)
* ] (left)
* ] (left)
* ] (left)
* ] (left)
** ]
* ] (left)
* ] (right)
* ] (left)
* ] (right)
* ] (left)
* ] (right)
* ] (left)
* ] (left)
* ] (right)
* ] (left)
* ] (left)
**]
* ] (right)
* ] (right)
* ] (right)
* ] (right)
* ] (right)
* ] (left)
* ] (left)
{{div col end}}


==History== ==History==
{{Lena River from a source to Kachug|collapse=yes}} {{Lena River from a source to Kachug|collapse=yes}}

The majority of researchers believe that the name of the river Lena has been acquired from the original ] name ''Elyu-Ene'', which means "the Large River".
It is commonly believed that the Lena derives its name from the original ] name ''Elyu-Ene'', which means "the Large River".
] ]
In 1620-23 Russians under the leadership of ] sailed up ], discovered the proximity of Lena and either carried their boats there or built new ones. In 1623 Pyanda explored some 2400 kilometers of the river from its upper rocky part to its wide flow in the central ].<ref> {{ru icon}}</ref> In 1628 Vasily Bugor and ten men reached the Lena, collected yasak from the natives and founded ] in 1630. In 1631 the voyevoda of ] sent ] and twenty men to found an ] at ] (founded in 1632). From Yakutsk other expeditions spread out to the south and east. The Lena delta was reached in 1633. According to folktales related a century later, in the years 1620–1623 a party of Russian fur hunters under the leadership of ] sailed up ], discovered the Lena, and either carried their boats there or built new ones. In 1623 Pyanda explored some {{convert|2400|km|mi}} of the river from its upper reaches to the central ].<ref>{{cite web|url=http://www.randewy.ru/karta/geogr24.html|title=Открытие русскими Средней и Восточной Сибири|website=www.randewy.ru|access-date=4 April 2018}}</ref> In 1628 Vasily Bugor and 10 men reached the Lena, collected ']' (tribute) from the 'natives' and then founded ] in 1632. In 1631 the '']'' of ] sent ] and 20 men to construct a fortress at ] (founded in 1632). From Yakutsk other expeditions spread out to the south and east. The Lena delta was reached in 1655.


Two of the three groups of survivors of the ill-fated ] reached Lena Delta in September, 1881. The one led by engineer ] was rescued by native ] huntsmen. Of the group led by ], only two of the men survived; the others died of ].
], accompanied by Alexander von Bunge, carried out an expedition to the Lena delta area and the islands of New Siberia on behalf of the Russian Imperial Academy of Sciences in 1885. They explored the Lena delta with its multitude of arms that flow towards the Polar sea. Then in spring 1886 they investigated the ] and the ] and its tributaries. During one year and two days the expedition covered 25,000&nbsp;km, of which 4,200&nbsp;km were up rivers, carrying out geodesic surveys en route.


], accompanied by ], led an expedition that explored the Lena delta and the islands of ] on behalf of the ] in 1885. In 1886 they investigated the New Siberian Islands and the ] and its tributaries. During one year and two days the expedition covered {{convert|25000|km|mi}}, of which {{convert|4200|km|mi}} were up rivers, carrying out ] surveys en route.
] took his alias, ''Lenin'', from the river Lena, possibly because he was exiled to the Central Siberian Plateau.


The ] was the name given to the 1912 shooting-down of striking goldminers and local citizens who protested at the working conditions in the mine near ] in northern Irkutsk. The incident was reported in the Duma (parliament) by ] and is credited with stimulating revolutionary feeling in Russia.
==Along the Lena==
]
]
In the '''upper''' section west and northwest of Lake Baikal the river flows mostly north. 4400:<ref>numbers are kilometers from the mouth of the Lena. Source:Athol Yates and Nicholas Zvegentzon, 'Siberian BAM Guide', 1995, second edition 2001</ref>.
A small lake in the Baikal Range, in the Baikal-Lena Reserve, 10&nbsp;km west of ], 1800m in altitude. The Lena flows north 19&nbsp;km, losing 600m in altitude and becomes passable by rafts. It turns west and then south losing another 600 meters in 128&nbsp;km, to Chanchur, where there is a ranger station. 4222: Kachug: start of navigation, road to ]. 4197:Verkholensk:mouth of the Kulenga River, northwest through mountains, Tutura River. 4108:'''Zhigalovo''':start of passenger service, including hydrofoil to Ust-Kut. Canyon downstream.


] may have taken his alias, ''Lenin'', from the river Lena, when he was exiled to the ].
In the '''central''' section the river flows mostly northeast. 3705:''']''': northwest of the northern tip of Lake Baikal. In Cossack times, this was the site of a portage between the Yenesei and Lena. Today it is the point where the ] railway meets the Lena and handles 80% of cargo in the ] region. 3698:Lena: This is really a part of Ust-Kut, which is very spread out. Lena is the river port. 3397:]: port and former Cossack portage. 3101: 'The devil's path', a section treacherous in flood. 3096: Shcheki ('the cheeks'), a narrow section with cliffs and twists. ] border. 2955:]: and ] from the south. We are now northeast of Lake Baikal. River widens. Many dead trees in the water. 2931:Peledui:Peledui River, ship repair company and salt mines. 2744:]:the most important port between Kirensk and Yakutsk. Road 230&nbsp;km north to the ]. Here was a stopping point of the 'Perlinsky Trakht', a former courier route. Lena turns southeast and then northeast. 2587:Chepaevo: 2547:Macha, 2337: ]:, ] from the south. River widens to 2&nbsp;km and has extensive flood plains. 2213:Uritskoe, 2030-1850: ]: cliffs along the right bank. 1937:Sinsk, Sinsk River and petroglyphs. 1820:Mokhsogollokh: ferry and paved road to Yakutsk on the opposite(west) bank. River turns north. 1805:]: downstream:Tabaga Cliffs, narrows, power line and planned site of bridge for the ] railroad. ]: 13&nbsp;km southeast of Yakutsk on the left bank, ] comes in from the south. The ] to the Pacific starts nearby.


==Delta==
In the '''lower''' section the river flows mostly north. '''1710:]:'''. 1560 ] from the east. River tends northwest. 1373:Sangar: coal mines. 1560:] from the west. River tends north. 959:Arctic Circle. 939:Zhigansk,founded in 1632, 865:Agraphena Island. 545:Sikhtyakh. 385:Kyushur:regional center. 222:]. 0:]: on the mainland east to the delta. Port, airport, two and a half month navigation season. Five degrees north of the arctic circle.
]
]
{{see also|Fyodor Matisen}}
At the end of the Lena River there is a large ] that extends {{convert|100|km}} into the Laptev Sea and is about {{convert|400|km|mi|abbr=on}} wide. The delta is frozen ] for about seven months of the year, but in May the region is transformed into a lush ] for a few months. Part of the area is protected as the ].


The Lena delta divides into a multitude of flat islands. The most important are (from west to east): Chychas Aryta, Petrushka, Sagastyr, Samakh Ary Diyete, Turkan Bel'keydere, Sasyllakh Ary, Kolkhoztakh Bel'keydere, Grigoriy Diyelyakh Bel'kee (Grigoriy Islands), Nerpa Uolun Aryta, Misha Bel'keydere, Atakhtay Bel'kedere, Arangastakh, Urdiuk Pastakh Bel'key, Agys Past' Aryta, Dallalakh Island, Otto Ary, Ullakhan Ary and Orto Ues Aryta.
==Lena Delta==
]
At the end of the Lena River there is a large delta that extends 100&nbsp;km into the Laptev Sea and is about 400&nbsp;km (250 miles) wide. The delta is frozen ] for about 7 months of the year, but in May transforms the region into a lush ] for the next few months. Part of the area is protected as the ].


Turukannakh-Kumaga is a long and narrow island off the Lena delta's western shore.
The Lena delta divides into a multitude of flat islands. The most important are (from West to East): Chychas Aryta, Petrushka, Sagastyr, Samakh Ary Diyete, Turkan Bel'keydere, Sasyllakh Ary, Kolkhoztakh Bel'keydere, Grigoriy Diyelyakh Bel'kee (Grigoriy Islands), Nerpa Uolun Aryta, Misha Bel'keydere, Atakhtay Bel'kedere, Arangastakh, Urdiuk Pastakh Bel'key, Agys Past' Aryta, Dallalakh Island, Otto Ary, Ullakhan Ary and Orto Ues Aryta.


One of the Lena delta islands, Ostrov Amerika-Kuba-Aryta or Ostrov Kuba-Aryta, was named after the island of ] during Soviet times. It is on the northern edge of the delta.<ref>{{cite web|url=https://www.google.com/maps/search/Ostrov+Amerika-Kuba-Aryta,+Bulunsky+District,+Sakha,+Russia/@73.5025,127.736389,13z/data=!3m1!1e3?hl=en&dg=dbrw&newdg=1|title=Google Maps|website=Google Maps|access-date=4 April 2018}}</ref>
Turukannakh-Kumaga is a long and narrow island off the Lena Delta's western shore.


==Fish==
One of the Lena delta islands, "Ostrov Amerika-Kuba-Aryta" or "Ostrov Kuba-Aryta" was named after the island of ] during ] times. It is located at the edge of its northern shoreline.<ref></ref>
As Lena is located at remote and undeveloped regions of the Russian Far East, its fish resource is very well preserved. Some of the species found in the river include: ], ], ].<ref>{{cite news |last1=Rose-Innes |first1=Keith |title=The Taimen of Russia's Tugur River |url=https://www.flyfisherman.com/editorial/tugur-taimen-exploring-the-vast-wilderness-rivers-of-siberia/376219 |access-date=22 March 2024 |work=Fly Fisherman |date=12 May 2020 |language=en}}</ref><ref>{{cite journal |last1=Kirillov |first1=A. F. |last2=Knizhin |first2=I. B. |title=Ichthyofauna of the Lena River (Laptev Sea Basin): Modern composition and historical formation |journal=Journal of Ichthyology |date=August 2014 |volume=54 |issue=7 |pages=433–445 |doi=10.1134/S0032945214040031 |bibcode=2014JIch...54..433K }}</ref>

==Further reading==
* {{cite book |doi=10.1002/9781119412632.ch11 |chapter=The Lena: A Large River in a Deep Permafrost Zone |title=Large Rivers |date=2022 |last1=Gautier |first1=Emmanuèle |last2=Costard |first2=François |last3=Fedorov |first3=Alexander |pages=320–334 |isbn=978-1-119-41260-1 }}
*] & ] (1887), ''The Expedition to the New Siberian Islands and the Yana country, equipped by the Imperial Academy of Sciences''.
*] (2006), ''River of No Reprieve: Descending Siberia's Waterway of Exile, Death, and Destiny''


==See also== ==See also==
* ]
*]
* ]
*]
* ]
* ], The First Soviet Convoy to the Mouth of the Lena.
* ]
*Alexander von Bunge & Baron Eduard Von Toll, ''The Expedition to the New Siberian Islands and the Yana country, equipped by the Imperial Academy of Sciences''. 1887.
* ]
* ]
* ], writer of ''The First Soviet Convoy to the Mouth of the Lena''.
* {{portal-inline|Siberia}}

==Notes==
{{reflist|group=note}}


==References== ==References==
{{Reflist}} {{Reflist}}
* {{EB1911|wstitle=Lena |volume=16}}


==External links== ==External links==
*{{commonscat inline}}
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* Alfred Wegner institute (AWI) Publications, - free, downloadable research reports on the biology, geology, oceanography, hydrology, paleontology, paleoclimatology, fauna, flora, soils, cryology, and so forth of the Lena Delta, Laptev Sea, and other parts of the Arctic Circle.
*


* Alfred Wegner institute (AWI) Publications, - free, downloadable research reports on the biology, geology, oceanography, hydrology, paleontology, paleoclimatology, fauna, flora, soils, cryology, and so forth of the Lena Delta, Laptev Sea, and other parts of the Arctic Circle.

{{1911}}
{{Commonscat|Lena River}}
{{Laptev Sea Islands}} {{Laptev Sea Islands}}
{{Rivers of Russia}}
{{Shipbuilding and shipping on the Lena River}} {{Shipbuilding and shipping on the Lena River}}
{{Regions of the world}}


{{Authority control}}
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Latest revision as of 03:17, 17 December 2024

River in Russia
Lena
The Lena Pillars along the river near Yakutsk
Lena watershed
Native name
Location
CountryRussia
Physical characteristics
SourceBaikal Mountains
 • locationKachugsky District, Irkutsk Oblast
 • coordinates53°59′40″N 107°52′33″E / 53.99444°N 107.87583°E / 53.99444; 107.87583 (approximately)
 • elevation1,640 m (5,380 ft)
MouthLena Delta
 • locationArctic Ocean, Laptev Sea
 • coordinates72°24′31″N 126°41′05″E / 72.4087°N 126.6847°E / 72.4087; 126.6847
 • elevation0 m (0 ft)
Length4,294 km (2,668 mi)
Basin size2,460,742 km (950,098 sq mi) to 2,490,000 km (960,000 sq mi)
Width 
 • maximum10,000 m (33,000 ft)
Depth 
 • maximum28 m (92 ft)
Discharge 
 • locationKyusyur, Russia (Basin size: 2,440,000 km (940,000 sq mi) to 2,418,974 km (933,971 sq mi)
 • average(Period of data: 1971–2015)17,773 m/s (627,600 cu ft/s)

(Period of data: 1970–1999)17,067 m/s (602,700 cu ft/s)

15,500 m/s (550,000 cu ft/s)
 • minimum366 m/s (12,900 cu ft/s)
 • maximum241,000 m/s (8,500,000 cu ft/s)

Lena Delta, Laptev Sea, Russia (Period of data: 1984–2018)577 km/a (18,300 m/s)

(Period of data: 1940–2019) 545.7 km/a (17,290 m/s)
Discharge 
 • locationVilyuy
 • average12,100 m/s (430,000 cu ft/s)

Tabaga, Yakutsk (Basin size: 987,000 km (381,000 sq mi)

(Period of data: 1967–2017) 7,453.2 m/s (263,210 cu ft/s)(max. 51,600 m/s (1,820,000 cu ft/s))
Discharge 
 • locationOlyokminsk
 • average4,500 m/s (160,000 cu ft/s)
Discharge 
 • locationVitim
 • average1,700 m/s (60,000 cu ft/s)
Discharge 
 • locationKirensk
 • average480 m/s (17,000 cu ft/s)
Basin features
Tributaries 
 • leftVilyuy
 • rightKirenga, Vitim, Olyokma, Aldan

The Lena is a river in the Russian Far East and is the easternmost river of the three great rivers of Siberia, including the River Ob and the River Yenisey, which flow into the Arctic Ocean. The Lena river is 4,294 km (2,668 mi) long and has a capacious drainage basin of 2,490,000 km (960,000 sq mi); thus the Lena is the eleventh-longest river in the world and the longest river entirely within Russia. Geographically, permafrost is the type of soil that underlies most of the Lena river's catchment, twenty per cent (20%) of which is continuous.

Course

The Lena river originates at 1,640 meters (5,381 ft) of elevation in the Baikal Mountains, 7 kilometres (4 mi) west of Lake Baikal, south of the Central Siberian Plateau. The Lena river flows north-east and traverses the Lena-Angara Plateau, then is joined by three tributary rivers: (i) the Kirenga river, (ii) the Vitim river, and (iii) the Olyokma river. From Yakutsk, the Lena river enters the Central Yakutian Lowland and flows north until joined by the eastern tributary, the Aldan river, and the western tributary, the Vilyuy river. Afterwards, the Lena bends westwards and northwards, flowing between the mountains of the Kharaulakh Range to the east (part of the Verkhoyansk Range) and the mountains of the Chekanovsky Ridge to the west. Travelling approximately due north, the Lena river widens into a great river delta that merges into the Laptev Sea, a marginal region of the Arctic Ocean, south-west of the New Siberian Islands. The Lena Delta is 30,000 square kilometres (12,000 sq mi) in area, being traversed by seven main branches, the most important being the Bykovsky channel, farthest east.

The lower course of the Lena river in Siberia.
The upper course of the Lena river in Siberia.

The Lena is navigable over a length of 3540 kilometres. The annual navigation period, when ice is minimally present or absent, lasts about 70 days in the estuarine region and 125 days elsewhere.

Basin

The area of the Lena river basin is calculated at 2,490,000 square kilometres (960,000 sq mi) and the mean annual discharge is 489 cubic kilometers per year. Gold is washed out of the sands of the Vitim and the Olyokma, and mammoth tusks have been dug out of the delta. There are numerous lakes in the floodplain of the river. Lakes Nedzheli and Ulakhan-Kyuel are the largest in the basin of the Lena.

Tributaries

The Kirenga flows north between the upper Lena River and Lake Baikal. The Vitim drains the area northeast of Lake Baikal. The Olyokma flows north. The Amga makes a long curve southeast and parallel to the Lena and flows into the Aldan. The Aldan also curves roughly parallel to the Lena until it turns east and flows into the Lena north of Yakutsk. The Maya, a tributary of the Aldan, drains an area almost to the Sea of Okhotsk. The T-shaped Chona-Vilyuy system drains most of the area to the west.

The main tributaries of the Lena are, from source to mouth:

History

Lena River from a source to Kachug
Legend
unnamed lake
Tyrka
Uhta 2nd
Uhta 1st Pankukcha
Shevukan
Negnedai
Anai River
Anai
Alilei
Chanchur River
Chanchur
Kurungui Ilikta
Kurungui River Maliy Tarel
Birulka Ice bridge
Birulka River
Ushina Zhuya
Bolshoi Kosogol
Manzurka
Khalsk R 148
Bolshiye Goly Iset R 148

It is commonly believed that the Lena derives its name from the original Even-Evenk name Elyu-Ene, which means "the Large River".

The river around 1890

According to folktales related a century later, in the years 1620–1623 a party of Russian fur hunters under the leadership of Demid Pyanda sailed up Nizhnyaya Tunguska, discovered the Lena, and either carried their boats there or built new ones. In 1623 Pyanda explored some 2,400 kilometres (1,500 mi) of the river from its upper reaches to the central Yakutia. In 1628 Vasily Bugor and 10 men reached the Lena, collected 'yasak' (tribute) from the 'natives' and then founded Kirinsk in 1632. In 1631 the voyevoda of Yeniseysk sent Pyotr Beketov and 20 men to construct a fortress at Yakutsk (founded in 1632). From Yakutsk other expeditions spread out to the south and east. The Lena delta was reached in 1655.

Two of the three groups of survivors of the ill-fated Jeannette expedition reached Lena Delta in September, 1881. The one led by engineer George W. Melville was rescued by native Tungus huntsmen. Of the group led by Captain George W. De Long, only two of the men survived; the others died of starvation.

Baron Eduard Von Toll, accompanied by Alexander von Bunge, led an expedition that explored the Lena delta and the islands of New Siberia on behalf of the Russian Imperial Academy of Sciences in 1885. In 1886 they investigated the New Siberian Islands and the Yana River and its tributaries. During one year and two days the expedition covered 25,000 kilometres (16,000 mi), of which 4,200 kilometres (2,600 mi) were up rivers, carrying out geodesic surveys en route.

The Lena massacre was the name given to the 1912 shooting-down of striking goldminers and local citizens who protested at the working conditions in the mine near Bodaybo in northern Irkutsk. The incident was reported in the Duma (parliament) by Kerensky and is credited with stimulating revolutionary feeling in Russia.

Vladimir Ilyich Ulyanov may have taken his alias, Lenin, from the river Lena, when he was exiled to the Central Siberian Plateau.

Delta

Lena River Delta in Autumn 2014
Lena river Delta by Landsat, February 2000
See also: Fyodor Matisen

At the end of the Lena River there is a large delta that extends 100 kilometres (62 mi) into the Laptev Sea and is about 400 km (250 mi) wide. The delta is frozen tundra for about seven months of the year, but in May the region is transformed into a lush wetland for a few months. Part of the area is protected as the Lena Delta Wildlife Reserve.

The Lena delta divides into a multitude of flat islands. The most important are (from west to east): Chychas Aryta, Petrushka, Sagastyr, Samakh Ary Diyete, Turkan Bel'keydere, Sasyllakh Ary, Kolkhoztakh Bel'keydere, Grigoriy Diyelyakh Bel'kee (Grigoriy Islands), Nerpa Uolun Aryta, Misha Bel'keydere, Atakhtay Bel'kedere, Arangastakh, Urdiuk Pastakh Bel'key, Agys Past' Aryta, Dallalakh Island, Otto Ary, Ullakhan Ary and Orto Ues Aryta.

Turukannakh-Kumaga is a long and narrow island off the Lena delta's western shore.

One of the Lena delta islands, Ostrov Amerika-Kuba-Aryta or Ostrov Kuba-Aryta, was named after the island of Cuba during Soviet times. It is on the northern edge of the delta.

Fish

As Lena is located at remote and undeveloped regions of the Russian Far East, its fish resource is very well preserved. Some of the species found in the river include: Siberian taimen, Siberian sturgeon, Upper Yenisei grayling.

Further reading

See also

Notes

  1. Russian: Ле́на, IPA: [ˈlʲɛnə]; Evenki: Елюенэ, Eljujene; Yakut: Өлүөнэ, Ölüöne; Buryat: Зүлхэ, Zülkhe; Mongolian: Зүлгэ, Zülge

References

  1. ^ Stadnyk, Tricia A.; Tefs, A.; Broesky, M.; Déry, S. J.; Myers, P. G.; Ridenour, N. A.; Koenig, K.; Vonderbank, L.; Gustafsson, D. (28 May 2021). "Changing freshwater contributions to the Arctic". Elementa: Science of the Anthropocene. 9 (1): 00098. Bibcode:2021EleSA...9...98S. doi:10.1525/elementa.2020.00098. S2CID 236682638.
  2. "Variations of the Present-Day Annual and Seasonal Runoff in the Far East and Siberia with the Use of Regional Hydrological and Global Climate Models" (PDF). 2018.
  3. http://www.abratsev.narod.ru/biblio/sokolov/p1ch23b.html, Sokolov, Eastern Siberia // Hydrography of USSR. (in russian)
  4. "River Discharge".
  5. ^ Gautier, Emmanuèle; Dépret, Thomas; Cavero, Julien; Costard, François; Virmoux, Clément; Fedorov, Alexander; Konstantinov, Pavel; Jammet, Maël; Brunstein, Daniel (August 2021). "Fifty-year dynamics of the Lena River islands (Russia): Spatio-temporal pattern of large periglacial anabranching river and influence of climate change". Science of the Total Environment. 783: 147020. Bibcode:2021ScTEn.78347020G. doi:10.1016/j.scitotenv.2021.147020. PMID 34088165. S2CID 234836524.
  6. "Река Лена in the State Water Register of Russia". textual.ru (in Russian).
  7. "Lena River Delta - A Global Ecoregion". World Wide Fund for Nature. 2006-07-06. Archived from the original on 2007-06-30. Retrieved 2008-05-23.
  8. Kim, Yu-Na; Krasilnikova, Niurgustana; Choi, Young-Seo; Yeo, Gi-Tae (June 2023). "Structural analysis of factors for revitalizing lena river logistics using ISM method". The Asian Journal of Shipping and Logistics. 39 (2): 46–51. doi:10.1016/j.ajsl.2023.02.001.
  9. "Открытие русскими Средней и Восточной Сибири". www.randewy.ru. Retrieved 4 April 2018.
  10. "Google Maps". Google Maps. Retrieved 4 April 2018.
  11. Rose-Innes, Keith (12 May 2020). "The Taimen of Russia's Tugur River". Fly Fisherman. Retrieved 22 March 2024.
  12. Kirillov, A. F.; Knizhin, I. B. (August 2014). "Ichthyofauna of the Lena River (Laptev Sea Basin): Modern composition and historical formation". Journal of Ichthyology. 54 (7): 433–445. Bibcode:2014JIch...54..433K. doi:10.1134/S0032945214040031.

External links

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