Song Kol Lake

Song Köl (also Son Kul, Songköl, Song-Köl; Kyrgyz: Соңкөл, IPA: [sóɴkœl], literally "following lake") is an alpine lake in northern Naryn Province, Kyrgyzstan. It lies at an altitude of 3016 m, and has an area of about 270 km2 and volume of 2.64 km3. The lake's maximum length is 29 km, breadth about 18 km, and the deepest point is 13.2 m. It is the second largest lake in Kyrgyzstan after Issyk Kul Lake, and the largest fresh water lake in Kyrgyzstan.

Song-Köl Lake
Northern shore of the Song-Köl
Song-Köl Lake
Song-Köl Lake
Coordinates41°50′N 75°10′E
TypeEndorheic
Mountain lake
Primary inflowsGlaciers
Primary outflowsEvaporation
Basin countriesKyrgyzstan
Surface area270 km2 (100 sq mi)
Max. depth13 m (43 ft)
Water volume2.64 km3 (2,140,000 acre⋅ft)
Surface elevation3,016 m (9,895 ft)
Official nameSon-Kol Lake
Designated23 January 2011
Reference no.1943[1]

Geography

High altitude Song Köl belongs to Naryn River basin. The lake sits in the central part of Song Köl Valley surrounded by Songköl Too ridge from the north, and Borbor Alabas and Moldo Too mountains from the south. Hydrologically, Song Köl basin is characterized by poorly developed surface stream flows, and substantial subsurface flow. Four perennial rivers - Kum-Bel', Ak-Tash, Tash-Dobo, and Kara-Keche - disgorge themselves into the lake. In the south-east, the structural high is cut through by Song Köl river that flows into Naryn River.[2]

Environment

Climate

The mean temperature in the lake basin is −3.5 °C (25.7 °F) with mean temperature of −20 °C (−4 °F) in January, and 11 °C (52 °F) in July. Annual precipitation averages 300–400 mm from April to October, and 100–150 mm from November to March. Snow cover in the lake basin persists for 180 to 200 days a year. In winter the lake surface freezes, the ice becoming as much as 1-1.2 m thick. The ice on the Song Köl begins to thaw in the middle or at the end of April, and completely disappears by late May.[3][4]

Ecology

In 2011, Song Köl was designated by Kyrgyzstan as its third Wetland of International Importance for the Ramsar List.[5]

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References
  1. "Son-Kol Lake". Ramsar Sites Information Service. Retrieved 25 April 2018.
  2. Атлас Кыргызской Республики [Atlas of Kyrgyz Republic] (in Russian). Bishkek: Academy of Sciences of Kyrgyz SSR. 1987. p. 156.
  3. Information Sheet on Ramsar Wetlands (RIS), archived from the original on April 22, 2012, retrieved October 30, 2012
  4. Иссык-Куль. Нарын:Энциклопедия [Encyclopedia of Issyk-Kul and Naryn Oblasts] (in Russian). Bishkek: Chief Editorial Board of Kyrgyz Soviet Encyclopedia. 1994. p. 512. ISBN 5-89750-009-6.
  5. "Kyrgyz Republic names high altitude lake". Retrieved October 28, 2012.
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