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Uvs Lake
Uvs Lake (Mongolian: Увс нуур [ˌʊɸs‿ˈnʊːr], ᠤᠪᠰᠤ ᠨᠠᠭᠤᠷ [ubsu naɣur]) 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 km2 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.
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..."
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.[citation needed]
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.
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.
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.
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Uvs Lake
Uvs Lake (Mongolian: Увс нуур [ˌʊɸs‿ˈnʊːr], ᠤᠪᠰᠤ ᠨᠠᠭᠤᠷ [ubsu naɣur]) 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 km2 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.
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..."
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.[citation needed]
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.
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.
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.