Khar-Us Lake

Lake in Khovd Province, Mongolia
48°02′N 92°17′E / 48.033°N 92.283°E / 48.033; 92.283TypefreshwaterPrimary inflowsKhovd RiverPrimary outflowsChono Kharaikh golCatchment area74,500 km2 (28,800 sq mi)Basin countriesMongoliaMax. length72.2 km (44.9 mi)Max. width36.5 km (22.7 mi)Surface area1,578 km2 (609 sq mi)Average depth2.2 m (7 ft 3 in)Max. depth4.5 m (15 ft)Water volume3.432 km3 (2,782,000 acre⋅ft)Surface elevation1,156.7 m (3,795 ft)FrozenNovember - AprilIslandsAgbash (Ak-Bashi)SettlementsDörgön
Ramsar Wetland
Designated13 April 1999Part 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 km2) includes the island Agbash (or Ak-Bashi, white head) area (274 km2), so the water surface area is 1,578 km2 only.[1]

Some sources are using different Khar-Us Lake Lake statistics values:[2]

  • Water level: 1,160.08 m
  • Surface area: 1,496.6 km2
  • Average depth: 2.1 m
  • Volume: 3.12 km3.
Water balance of Khar-Us Lake[2]
(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. ^ a b "Surface Water of Mongolia", Gombo Davaa, Dambaravjaa Oyunbaatar, Michiaki Sugita


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