Ulken-Karoy or Ulken Karaoy, meaning "Big Karoy" (; or ''Большой Карой'' —Bolshoy Karoy), is a

salt lake A salt lake or saline lake is a landlocked body of water that has a concentration of salts (typically sodium chloride) and other dissolved minerals significantly higher than most lakes (often defined as at least three grams of salt per liter). I ...

Akzhar District Akzhar (, ) is a district of North Kazakhstan Region in northern Kazakhstan. The administrative center of the district is the selo of Talshik. Population: Geography Lakes Ulken-Karoy and Kishi-Karoy Kishi-Karoy or Kishi Karaoy, meaning "L ...

North Kazakhstan Region North Kazakhstan Region (; ) is a region of Kazakhstan, with a population of 522,171. Its capital is Petropavl, with a population of 221,907 people. It is the only region of Kazakhstan in which ethnic Kazakhs don't make up a majority. History ...

Kazakhstan Kazakhstan, officially the Republic of Kazakhstan, is a landlocked country primarily in Central Asia, with a European Kazakhstan, small portion in Eastern Europe. It borders Russia to the Kazakhstan–Russia border, north and west, China to th ...

. The lake lies about to the northwest of the northern end of larger

Siletiteniz Siletiteniz (, ''Sıletıteñız''), also Seletyteniz, Seletytengiz is an endorheic salt lake located in the Ishim Plain, part of the West Siberian Plain. The lake lies in North Kazakhstan, with the Pavlodar Region border running along the easte ...

lake. to the east lies lake

Teke Teke or Tekke can refer to: People * Teke (tribe), a tribe of southern Turkmenistan * Teke people or Bateke, a Central African ethnic group * Fatih Tekke (born 1977), Turkish footballer * Kent Tekulve (born 1947), American baseball player Places ...

. The nearest inhabited localities are

Kulykol Kulykol () is a lake in Kamysty District, Kostanay Region, Kazakhstan. The lake lies near the Kazakhstan–Russia border. The nearest inhabited place is Taldykol, located to the east.Google Earth Kulykol is part of the Kulykol-Taldykol Lake Sy ...

and

Talshik Talshik () is a settlement and the administrative center of Akzhar District in North Kazakhstan Region of Kazakhstan. It is the head of the Talshik rural district (KATO code - 593430100). Population: Geography Talshik is located to the southeas ...

Geography

Lying in the southern part of the

Ishim Plain Ishim Steppe (, , ''Yesil dalasy'') is a plain in the southern part of Western Siberia, between the Irtysh and Tobol rivers. Administratively it is part of Kurgan, Tyumen, and Omsk oblasts in Russia, and the North Kazakhstan Region in Kazakhstan. ...

, south of the Russian border, Ulken-Karoy is one of the main lakes of the region. It is an

endorheic lake An endorheic lake (also called a sink lake or terminal lake) is a collection of water within an endorheic basin, or sink, with no evident outlet. Endorheic lakes are generally Saline water, saline as a result of being unable to get rid of solutes ...

sharing the same depression as lakes Teke in the east and

Kishi-Karoy Kishi-Karoy or Kishi Karaoy, meaning "Little Karoy" (; ), is a Bittern (salt), bittern salt lake in Akzhar District, North Kazakhstan Region, Kazakhstan. The Kazakhstan–Russia border lies about to the northwest and northeast of the northern sh ...

in the west.The Origin of the Depression Lake Systems
/ref> The lake is shallow and its bottom is muddy. The shores are flat. In years of drought Ulken-Karoy almost completely dries up and its water surface may decline to barely . An enormous island occupies the middle of the lake. It is joined to the mainland in its southern part, except during periods of high water. In such periods the water of the lake becomes fresh.
''

Great Soviet Encyclopedia The ''Great Soviet Encyclopedia'' (GSE; , ''BSE'') is one of the largest Russian-language encyclopedias, published in the Soviet Union from 1926 to 1990. After 2002, the encyclopedia's data was partially included into the later ''Great Russian Enc ...

'' in 30 vols. — Ch. ed.

A.M. Prokhorov Alexander Mikhailovich Prokhorov (born Alexander Michael Prochoroff, ; 11 July 1916 – 8 January 2002) was an Australian-born Russian physicist and researcher on lasers and masers, in the former Soviet Union. He shared the Nobel Prize in Ph ...

. - 3rd ed. - M. Soviet Encyclopedia, 1969-1978. (in Russian) Ulken-Karoy lake is surrounded by a strip of

salt marsh A salt marsh, saltmarsh or salting, also known as a coastal salt marsh or a tidal marsh, is a coastal ecosystem in the upper coastal intertidal zone between land and open saltwater or brackish water that is regularly flooded by the tides. I ...

es. The Ashchisu and Karasu are the main rivers flowing into the lake.

Google Earth Google Earth is a web mapping, web and computer program created by Google that renders a 3D computer graphics, 3D representation of Earth based primarily on satellite imagery. The program maps the Earth by superimposition, superimposing satelli ...

References

External links

*
Expeditions along the watersheds of the middle forest-steppe of the Omsk region
(in Russian)
ИНТЕЛЛЕКТУАЛЬНАЯ НАЦИЯ В ФОКУСЕ ГУМАНИТАРНЫХ ТЕХНОЛОГИЙ
(in Russian) Lakes of North Kazakhstan Region Endorheic lakes of Asia West Siberian Plain {{NorthKazakhstanRegion-geo-stub

Geography

See also

References

External links