Ulken Koskol (Kazakh: Үлкен Қоскөл; Russian: Большой Косколь) is a salt lake in Aiyrtau District, North Kazakhstan Region, Kazakhstan.[1][2]
| Ulken Koskol | |
|---|---|
| Үлкен Қоскөл | |
 Sentinel-2 image of the lake | |
  Ulken Koskol | |
| Location | Kazakh Uplands |
| Coordinates | 53°22′40″N 64°50′24″E / 53.37778°N 64.84000°E |
| Type | endorheic |
| Primary outflows | none |
| Basin countries | Kazakhstan |
| Max. length | 6.1 kilometers (3.8 mi) |
| Max. width | 3.3 kilometers (2.1 mi) |
| Surface area | 14.31 square kilometers (5.53 sq mi) |
| Residence time | UTC+6 |
| Shore length1 | 15.2 kilometers (9.4 mi) |
| Surface elevation | 257.1 meters (844 ft) |
| 1 Shore length is not a well-defined measure. | |
Saumalkol town, the district capital (formerly Volodarskoye), is located 12 kilometers (7.5 mi) to the southwest. Kenashchi village lies 1 kilometer (0.62 mi) to the southwest of the southwestern shore.[3]
Geography
editUlken Koskol is an endorheic lake in the Kazakh Uplands. It is part of the Ishim River basin. The bottom is flat and the lakeshore clayey and gently sloping, [4] Ulken Koskol is located in an area where there are numerous lakes. Kishi Koskol lies 4.5 kilometers (2.8 mi) to the SSE, Shalkar 15 kilometers (9.3 mi) to the south and lake Saumalkol 13 kilometers (8.1 mi) to the southwest. River Kamysakty has its sources a little to the NW of the northern end of Ulken Koskol.[1]
The lake is fed mainly by snow and precipitation. Since the water is salty and has high mineral content it is not suitable for drinking. Ulken Koskol is largely surrounded by agricultural fields.[3][4]
Flora
editSedges and fescue grow in the fields nearby that are not plowed.[4]
See also
editReferences
edit- ^ a b "N-42 Topographic Chart (in Russian)". Retrieved 18 October 2022.
- ^ Lakes in the Central Kazakhstan
- ^ a b Google Earth
- ^ a b c Nature of Kazakhstan Encyclopedia / General editor. B. O. Jacob. Almaty: "Kazakh Encyclopedia" LLP, 2011. Vol. Z. — 304 pages. ISBN 9965-893-64-0 (T. Z.), ISBN 9965-893-19-5
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