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Khar-Us Lake

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Lake in Khovd Province, Mongolia
Khar-Us Lake
Khar-Us Lake frozen, Khar Lake fragment is at the western edge of the image, Jargalant-Khaikhan Mounts are south from Lake Khar-Us (NASA astronauts image 2002-12-13).
Khar-Us Lake is located in MongoliaKhar-Us LakeKhar-Us Lake
LocationKhovd aimag, Mongolia
Coordinates48°02′N 92°17′E / 48.033°N 92.283°E / 48.033; 92.283
Typefreshwater
Primary inflowsKhovd River
Primary outflowsChono Kharaikh gol
Catchment area74,500 km (28,800 sq mi)
Basin countriesMongolia
Max. length72.2 km (44.9 mi)
Max. width36.5 km (22.7 mi)
Surface area1,578 km (609 sq mi)
Average depth2.2 m (7 ft 3 in)
Max. depth4.5 m (15 ft)
Water volume3.432 km (2,782,000 acre⋅ft)
Surface elevation1,156.7 m (3,795 ft)
FrozenNovember - April
IslandsAgbash (Ak-Bashi)
SettlementsDörgön
Ramsar Wetland
Designated13 April 1999
Part ofHar Us Nuur National Park

Khar-Us Lake (Mongolian: Хар-Ус нуур, romanized: Har-Us nuur; ᠬᠠᠷ᠎ᠠᠤᠰᠤᠨᠠᠭᠤᠷ, "Black-Aqua Lake", is a lake in western Mongolia in the Great Lakes Depression. It is the upper one in a system of the interconnected lakes: Khar-Us, Khar, Dörgön, Airag and Khyargas. The lake is located in Har Us Nuur National Park.

Its area value (1,852 km) includes the island Agbash (or Ak-Bashi, white head) area (274 km), so the water surface area is 1,578 km only.

Some sources are using different Khar-Us Lake Lake statistics values:

  • Water level: 1,160.08 m
  • Surface area: 1,496.6 km
  • Average depth: 2.1 m
  • Volume: 3.12 km.
Water balance of Khar-Us Lake
(Unit of water balance: mm/year)
Surface input Surface output Groundwater
inflow-
outflow 		Retention
time, years
Precipitation Inflow Evaporation Outflow
56.4 1,979.2 942.7 675.3 -417.6 1.1

Primary inflow is the Khovd River, which creates a large river delta.

So called Genghis Khan's wall runs along the western shore of the Khar-Us Lake. It is possible to find it at the Google Map and Google Earth satellite maps 47°53′29″N 91°59′37″E / 47.89139°N 91.99361°E / 47.89139; 91.99361.

References

  1. "Khar-Us Nuur", Great Soviet Encyclopedia
  2. ^ "Surface Water of Mongolia", Gombo Davaa, Dambaravjaa Oyunbaatar, Michiaki Sugita
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