Khar Lake (Khovd)

Khar Lake
The western shore of Khar Nuur
Location Great Lakes Depression, Western Mongolia
Coordinates 48°05′N 93°12′E / 48.08°N 93.2°E / 48.08; 93.2Coordinates: 48°05′N 93°12′E / 48.08°N 93.2°E / 48.08; 93.2
Lake type eutrophic
Primary inflows Chono Kharaikh Gol
Primary outflows Teeliin Gol
Catchment area 76,800 km2 (29,700 sq mi)[1]
Basin countries Mongolia, Russia[2]
Max. length 37 km (23 mi)
Max. width 24 km (15 mi)
Surface area 575 km2 (222 sq mi)
Average depth 4.2 m (14 ft)
Max. depth 7 m (23 ft)
Water volume 2.422 km3 (0.581 cu mi)
Residence time 1.7 years
Surface elevation 1,132.3 m (3,715 ft)
Frozen December - April

Khar Lake (Mongolian: Хар нуур, lit. "black lake"), is located in the Khovd aimag (province) in western Mongolia's Great Lakes Depression.

Name

It is also known as Ha-la Hu, Hara Nuur, Har Nuur, Khara Nur, Khar Nuur, and Ozero Kara-Nor[3]

It should be distinguished from the similarly named Khar Lake (Zavkhan), another lake further east in Mongolia.

Description

It is part of a group of lakes that were once part of a larger prehistoric lake that disappeared 5,000 years ago as the region became drier.

Some sources are using different Khar Lake statistics values:[4]

  • Water level: 1,134.08 m
  • Surface area: 565.2 km²
  • Average depth: 4.14 m
  • Volume: 2.34 km³.

Water Balance

Water balance of Khar Lake[4]
(Unit of water balance: mm/year)
Surface input Surface output Groundwater
inflow-
outflow		 Retention
time, years
Precipitation Inflow Evaporation Outflow
54.0 1,786.9 1,117.8 1,287.9 +564.8 1.7

Khar Lake has a single inflow - Chono Kharaikh Gol river, which creates a river delta.

Natural channel from Khar Lake to Dörgön Lake

Khar Lake has a connection to Dörgön Nuur south of it.

References

  1. ↑ includes 74,500 km² of Khar-Us Nuur lake catchment area
  2. ↑ Russian part of the catchment area belongs to the Khar-Us Nuur lake catchment area.
  3. ↑ Geody. "Ha-la Hu / Hara Nuur / Har Nuur / Khara Nur / Khar Nuur / Ozero Kara-Nor, Mongolia, Earth - Geody". www.geody.com. Retrieved 2017-02-09.
  4. 1 2 "Surface Water of Mongolia", Gombo Davaa, Dambaravjaa Oyunbaatar, Michiaki Sugita
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