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{{short description|Lake in western Mongolia}}
{{Mergefrom|Ubsunur Hollow|date=April 2007}}
{{Infobox lake {{Infobox lake
| lake_name = Uvs Nuur | name = Uvs Lake
| native_name = {{native name list |tag1=mn|name1=Увс нуур|tag2=mn|name2={{MongolUnicode|ᠤᠪᠰᠤ ᠨᠠᠭᠤᠷ}}}}
| image_lake =
| image = Uvs núr.JPG
| caption_lake =
| caption =
| image_bathymetry = | image_bathymetry =
| caption_bathymetry = | caption_bathymetry =
|pushpin_map=Mongolia
| location = | location =
| coords = {{coor at dm|50|18|N|92|42|E|region:MN_type:waterbody}} | coords = {{coord|50|18|N|92|42|E|region:MN_type:waterbody|display=inline,title}}
| type = ] | type = ]
| inflow = ]、]、]
| inflow =
| outflow = | outflow = none
| catchment = | catchment =
| basin_countries = ], ] | basin_countries = ] and ]
| length = | length = {{convert|84|km|mi|abbr=on}}
| width = | width = {{convert|79|km|mi|abbr=on}}
| area = 3,350 km² | area = {{convert|3350|km2|sqmi|abbr=on}}
| depth = | depth = {{convert|6|m|ft|abbr=on}}
| max-depth = | max-depth =
| volume = | volume =
| residence_time = | residence_time =
| shore = | shore =

| elevation = 753 m
| elevation = {{convert|759|m|ft|abbr=on}}
| islands = | islands =
| cities = ] | cities = ]
| embedded = {{Designation list
}}
| embed = yes
{{Infobox World Heritage Site
| designation1 = Ramsar
| WHS = Uvs Nuur Basin
| designation1_offname = Lake Uvs and its surrounding wetlands
| Image = ]
| designation1_date = 22 March 2004
| State Party = {{MGL}} and ] ]
| designation1_number = 1379<ref>{{Cite web|title=Lake Uvs and its surrounding wetlands|website=] Sites Information Service|url=https://rsis.ramsar.org/ris/1379|access-date=25 April 2018}}</ref>}}
| Type = Natural
| Criteria = ix, x
| ID = 769
| Region = Europe and North America
| Year = 2003
| Session = 27th
| Link = http://whc.unesco.org/en/list/769
}} }}


'''Uvs Lake''' ({{langx|mn|Увс нуур}} {{IPA-mn|ˌʊɸs‿ˈnʊːr|}}) is a highly ] lake in an ]—], primarily in ] with a smaller part in ]. It is the largest lake in Mongolia by surface area, covering 3,350&nbsp;km<sup>2</sup> at 759&nbsp;m above sea level.<ref>{{cite web
'''Uvs Nuur''' ({{lang-mn|Увс Нуур}}) is the largest ] in ], which, at 753&nbsp;m above sea level, covers an area of 3,350&nbsp;km². Its northeastern part is situated in the ] of the ]. The largest settlement on the shore is ]. This shallow and very ] body of water is the only remainder of a huge saline ] which covered a much larger area several thousand years ago.
|url = http://www.medeelel.mn/index.php?page=land&sm=73&s=1366
|archive-url = https://archive.today/20120804053719/http://www.medeelel.mn/index.php?page=land&sm=73&s=1366
|url-status = dead
|archive-date = 2012-08-04
|title = Увс нуур
|publisher = www.medeelel.mn
|access-date = 2008-02-08
}}</ref>
The northeastern tip of the lake is situated in the ] of the ]. The largest settlement near the lake is ]. This shallow and very ] body of water is a remainder of a huge saline ] which covered a much larger area several thousand years ago.


== Name ==
The Uvs Nuur Lake is the centre of the Uvs Nuur Basin, which covers an area of 700,000&nbsp;km² and represents one of the best-preserved natural ] landscapes of ]. Apart from the Uvs Nuur, the ] comprises several smaller lakes, notably the Ureg Nuur Lake, which lies at 1,450&nbsp;m above sea level. As these lakes lie to the north of other inland seas of Central Asia, they are of key importance for waterfowl migration.
The name Uvs Nuur (sometimes spelled Ubsa Nor or Ubsunur) derives from ''subsen'', a Turkic/Mongolian word referring to the bitter dregs left behind in the making of ] (Mongolian fermented ] drink), and ''nuur'', the Mongolian word for lake. The name is a reference to the lake's salty, undrinkable water. In one Mongolian folk tale a character named Sartaktai, known for digging wondrous canals and setting courses for rivers, tries to connect Uvs lake to another nearby lake by digging a canal between them. But when the water of Uvs lake refuses to flow, Sartaktai angrily declares "Be thy name Subsennor!" A name that is defined as "bad wine, dregs of the spirit that comes from the still..."<ref>The Folk-lore Journal. (1886). United Kingdom: Folk-lore Society. P. 32 </ref>


== Geography ==
Since the basin spans the geoclimatic boundary between ] and ], temperatures may vary from &minus;58°C in winter to 47°C in summer. Despite its harsh climate, the basin is home to 173&nbsp;bird species and 41&nbsp;mammal species, including the globally endangered ], ], and Asiatic ].
] from space. Uvs is the largest lake, just above center]]
Uvs Lake has a length of 84&nbsp;km and a width of 79&nbsp;km, with an average depth of 6&nbsp;m. Its basin is separated from the rest of the ] by the Khan Khökhii ridge; however, it is not a ] as some mistakenly think.{{cn|date=May 2016}}


The main feeding rivers are the ], Nariin gol, and ] (primary feed of the lake) from ] in the east, and the ] and Sangil gol from the ] in the west.<ref name="davies">{{cite web
In ], the ] listed the Uvs Nuur Basin as a natural ].<ref>{{cite web
|url=http://whc.unesco.org/en/list/769 |url = http://www.iwmi.cgiar.org/wetlands/pdf/Mongolia.pdf
|title = Mongolia
|author = Jon Davies
|publisher = International Water Management Institute
|access-date = 2008-02-10
|archive-url = https://web.archive.org/web/20080528115758/http://www.iwmi.cgiar.org/wetlands/pdf/Mongolia.pdf
|archive-date = 2008-05-28
|url-status=dead
}}</ref>

== Ecology ==
The very large catchment area with no exit results in highly saline water, primarily due to sulphate and sodium ions. It has a salinity of 18.8 ], or 1.88%, making it half as salty as the oceans.

The lake freezes over from October to May. In summer, it exhibits a temperature gradient from 25&nbsp;°C at the surface to 19&nbsp;°C at the bottom.<ref name="davies" />

29 different species of fish are known from Uvs Lake,<ref name="bdaarch">{{cite web
| url = http://www.unitar.org/hiroshima/programmes/whs05/badarch.pdf
| title = Uvs Nuur Basin; World Natural Heritage Site
| author = Erdene-Ochir Badarch
| publisher = United Nations Institute for Training and Research
| access-date = 2008-02-10
|archive-url = https://web.archive.org/web/20080528115759/http://www.unitar.org/hiroshima/programmes/whs05/badarch.pdf |archive-date = 2008-05-28}}</ref> and one of them, the ] (''Oreoleuciscus potanini''),<ref name="catalogue of life">{{cite web
| url = http://www.catalogueoflife.org/annual-checklist/show_common_name_details.php?name=Potanini+altai+osman
| title = Catalogue of Life: 2007 Annual Checklist
| author = The Integrated Taxonomic Information System (ITIS)&Species 2000
| publisher = The Integrated Taxonomic Information System (ITIS)&Species 2000
| access-date = 2008-06-27
}}</ref>
is suitable for human consumption.

== Protected sites ==

All of the lake and many parts of its surroundings have been declared protected sites. The UNESCO is using the designation "Uvs Lake site" as an umbrella term to summarize twelve separate clusters of protected sites, each a representative of a major eastern ]n ].<ref>{{cite web
|year=2003
|url=http://www.ens-newswire.com/ens/jul2003/2003-07-08-02.asp
|title=World Heritage Protection Extended to Five Natural Sites
|publisher=Environmental News Service
|access-date=2008-02-10
}}
</ref>
]

== Lake Uvs Basin ==
{{Main|Uvs Nuur Basin}}
The Uvs Lake is the terminal basin for the ], which covers an area of 70,000&nbsp;km<sup>2</sup> and represents one of the best-preserved natural ] landscapes of ]. The border between Mongolia and Russia runs through the northern periphery of the basin. Here the world's most northern desert meets the world's most southern ] zone.<ref>{{cite web
|url = http://www.isar.org/pubs/ST/RUubsunur49.html
|title = Ubsu-Nur Accepted into World Network of Biosphere Reserves
|publisher = ISAR
|access-date = 2006-12-31
|archive-url = https://web.archive.org/web/20070920173809/http://www.isar.org/pubs/ST/RUubsunur49.html
|archive-date = 2007-09-20
|url-status=dead
}}</ref> Apart from the Uvs Lake, the ] comprises several smaller lakes. As these lakes lie to the north of other inland seas of ], they are of key importance for ] migration.
]
Since the basin spans the geoclimatic boundary between ] and ], temperatures may vary from &minus;58&nbsp;°C in winter to 47&nbsp;°C in summer. Despite its harsh climate, the depression is home to 173&nbsp;bird species and 41&nbsp;mammal species, including the globally endangered ], ], and Asiatic ]. The population density is low here. The lack of industry and the reliance of the inhabitants on traditional ways such as nomadic pasturing have little impact on the landscape and allow the ecosystem to remain relatively pristine.<ref>{{cite web
|url=https://archive.today/20120731135837/http://www.greenpeace.org/russia/en/campaigns/world-natural-heritage/the-ubsunur-hollow/
|title=The Ubsunur Hollow
|publisher=Greenpeace
|access-date=2006-12-31
}}</ref>

In 2003, the ] listed the Uvs Lake Basin as a natural ].<ref name=whs>{{cite web
|url=https://whc.unesco.org/en/list/769
|title=Uvs Nuur Basin |title=Uvs Nuur Basin
|publisher=whc.unesco.org |publisher=whc.unesco.org
|accessdate=2007-01-16 |access-date=2007-01-16
}}</ref> It was nominated as "one of the largest intact watersheds in Central Asia where 40,000 archeological sites can be found from historically famous nomadic tribes such as the ], the ] and the ]."<ref>{{cite web
|url=http://ces.iisc.ernet.in/hpg/envis/doc-russia-wh.html
|title=Russia's First World Heritage Site
|access-date=2006-12-31
}}</ref> This transboundary patrimony is one of the largest sites inscribed in the ] to date. }}</ref> This transboundary patrimony is one of the largest sites inscribed in the ] to date.

==See also==
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==Notes==
<references/>
==References== ==References==
{{reflist}}
*

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==External links== ==External links==
{{commons category|Uvs Nuur}}
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{{portal|Lakes}}
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* UNESCO Collection on Google Arts and Culture
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{{World Heritage Sites in Russia}} {{World Heritage Sites in Mongolia}}
{{Lakes in Mongolia}}

{{Authority control}}

{{DEFAULTSORT:Uvs Nuur}}
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Latest revision as of 13:27, 7 December 2024

Lake in western Mongolia
Uvs Lake
Uvs Lake is located in MongoliaUvs LakeUvs Lake
Coordinates50°18′N 92°42′E / 50.300°N 92.700°E / 50.300; 92.700
TypeSaline
Primary inflowsTesiin gol、Kharkhiraa River、Turuun River
Primary outflowsnone
Basin countriesMongolia and Russia
Max. length84 km (52 mi)
Max. width79 km (49 mi)
Surface area3,350 km (1,290 sq mi)
Average depth6 m (20 ft)
Surface elevation759 m (2,490 ft)
SettlementsUlaangom
Ramsar Wetland
Official nameLake Uvs and its surrounding wetlands
Designated22 March 2004
Reference no.1379

Uvs Lake (Mongolian: Увс нуур [ˌʊɸs‿ˈnʊːr]) is a highly saline lake in an endorheic basin—Uvs Nuur Basin, primarily in Mongolia with a smaller part in Russia. It is the largest lake in Mongolia by surface area, covering 3,350 km at 759 m above sea level. The northeastern tip of the lake is situated in the Tuva Republic of the Russian Federation. The largest settlement near the lake is Ulaangom. This shallow and very saline body of water is a remainder of a huge saline sea which covered a much larger area several thousand years ago.

Name

The name Uvs Nuur (sometimes spelled Ubsa Nor or Ubsunur) derives from subsen, a Turkic/Mongolian word referring to the bitter dregs left behind in the making of airag (Mongolian fermented mare milk drink), and nuur, the Mongolian word for lake. The name is a reference to the lake's salty, undrinkable water. In one Mongolian folk tale a character named Sartaktai, known for digging wondrous canals and setting courses for rivers, tries to connect Uvs lake to another nearby lake by digging a canal between them. But when the water of Uvs lake refuses to flow, Sartaktai angrily declares "Be thy name Subsennor!" A name that is defined as "bad wine, dregs of the spirit that comes from the still..."

Geography

Great Lakes Depression from space. Uvs is the largest lake, just above center

Uvs Lake has a length of 84 km and a width of 79 km, with an average depth of 6 m. Its basin is separated from the rest of the Great Lakes Depression by the Khan Khökhii ridge; however, it is not a rift lake as some mistakenly think.

The main feeding rivers are the Baruunturuun, Nariin gol, and Tes (primary feed of the lake) from Khangai Mountains in the east, and the Kharkhiraa River and Sangil gol from the Altai Mountains in the west.

Ecology

The very large catchment area with no exit results in highly saline water, primarily due to sulphate and sodium ions. It has a salinity of 18.8 per mille, or 1.88%, making it half as salty as the oceans.

The lake freezes over from October to May. In summer, it exhibits a temperature gradient from 25 °C at the surface to 19 °C at the bottom.

29 different species of fish are known from Uvs Lake, and one of them, the Potanini altai osman (Oreoleuciscus potanini), is suitable for human consumption.

Protected sites

All of the lake and many parts of its surroundings have been declared protected sites. The UNESCO is using the designation "Uvs Lake site" as an umbrella term to summarize twelve separate clusters of protected sites, each a representative of a major eastern Eurasian biome.

A satellite image of the western part of the Uvs Lake basin

Lake Uvs Basin

Main article: Uvs Nuur Basin

The Uvs Lake is the terminal basin for the Uvs Lake Basin, which covers an area of 70,000 km and represents one of the best-preserved natural steppe landscapes of Eurasia. The border between Mongolia and Russia runs through the northern periphery of the basin. Here the world's most northern desert meets the world's most southern tundra zone. Apart from the Uvs Lake, the basin comprises several smaller lakes. As these lakes lie to the north of other inland seas of Central Asia, they are of key importance for waterfowl migration.

Uvs Lake drainage basin

Since the basin spans the geoclimatic boundary between Siberia and Central Asia, temperatures may vary from −58 °C in winter to 47 °C in summer. Despite its harsh climate, the depression is home to 173 bird species and 41 mammal species, including the globally endangered snow leopard, argali, and Asiatic ibex. The population density is low here. The lack of industry and the reliance of the inhabitants on traditional ways such as nomadic pasturing have little impact on the landscape and allow the ecosystem to remain relatively pristine.

In 2003, the UNESCO listed the Uvs Lake Basin as a natural World Heritage Site. It was nominated as "one of the largest intact watersheds in Central Asia where 40,000 archeological sites can be found from historically famous nomadic tribes such as the Scythians, the Turks and the Huns." This transboundary patrimony is one of the largest sites inscribed in the World Heritage List to date.

References

  1. "Lake Uvs and its surrounding wetlands". Ramsar Sites Information Service. Retrieved 25 April 2018.
  2. "Увс нуур". www.medeelel.mn. Archived from the original on 2012-08-04. Retrieved 2008-02-08.
  3. The Folk-lore Journal. (1886). United Kingdom: Folk-lore Society. P. 32 Folk-lore Society IV
  4. ^ Jon Davies. "Mongolia" (PDF). International Water Management Institute. Archived from the original (PDF) on 2008-05-28. Retrieved 2008-02-10.
  5. Erdene-Ochir Badarch. "Uvs Nuur Basin; World Natural Heritage Site" (PDF). United Nations Institute for Training and Research. Archived from the original (PDF) on 2008-05-28. Retrieved 2008-02-10.
  6. The Integrated Taxonomic Information System (ITIS)&Species 2000. "Catalogue of Life: 2007 Annual Checklist". The Integrated Taxonomic Information System (ITIS)&Species 2000. Retrieved 2008-06-27.{{cite web}}: CS1 maint: numeric names: authors list (link)
  7. "World Heritage Protection Extended to Five Natural Sites". Environmental News Service. 2003. Retrieved 2008-02-10.
  8. "Ubsu-Nur Accepted into World Network of Biosphere Reserves". ISAR. Archived from the original on 2007-09-20. Retrieved 2006-12-31.
  9. "The Ubsunur Hollow". Greenpeace. Retrieved 2006-12-31.
  10. "Uvs Nuur Basin". whc.unesco.org. Retrieved 2007-01-16.
  11. "Russia's First World Heritage Site". Retrieved 2006-12-31.

External links

World Heritage Sites in Mongolia
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Lakes in Mongolia
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