The Ayat (

Russian Russian(s) may refer to: *Russians (), an ethnic group of the East Slavic peoples, primarily living in Russia and neighboring countries *A citizen of Russia *Russian language, the most widely spoken of the Slavic languages *''The Russians'', a b ...

and , ''Ayat''; : ''Aiat'') is a river in

Chelyabinsk Oblast Chelyabinsk Oblast; , is a federal subjects of Russia, federal subject (an oblast) of Russia in the Ural Mountains region, on the border of Europe and Asia. Its administrative center is the types of inhabited localities in Russia, city of Chel ...

Russia Russia, or the Russian Federation, is a country spanning Eastern Europe and North Asia. It is the list of countries and dependencies by area, largest country in the world, and extends across Time in Russia, eleven time zones, sharing Borders ...

and

Kostanay Region Kostanay Region (; ) is a region of Kazakhstan. Its administrative center is the city of Kostanay. The population of the region is 835,686. The population living in Kostanay is 207,000 which is equivalent to 23% of the region. Geography Kosta ...

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 ...

. Ayat is formed by the confluence of Karataly-Ayat and Archagly-Ayat. The river flows into the Karatomar reservoir, which is drained by the river

Tobol The Tobol (, ) is a river in Western Siberia (in Kazakhstan and Russia) and the main (left) tributary of the Irtysh. Its length is , and the area of its drainage basin is . History The Tobol River was one of the four important rivers of the S ...

. The length of the river is 117 km, with a catchment area of 13,300 km².

Hydrology

Much of the basin is formed by 383 drainless lakes (total area 208 km².). Russian part of the river has a length of 23 km and a

watershed Watershed may refer to: Hydrology * Drainage divide, the line that separates neighbouring drainage basins * Drainage basin, an area of land where surface water converges (North American usage) Music * Watershed Music Festival, an annual country ...

area of 8571 km². The soils of the basin are mostly

sandy Sandy may refer to: People and fictional characters *Sandy (given name), including a list of people and fictional characters with the given name or nickname * Sandy (surname), a list of people * Sandy (Iranian music band), Iranian singer, comp ...

and

loam Loam (in geology and soil science) is soil composed mostly of sand (particle size > ), silt (particle size > ), and a smaller amount of clay (particle size < ). By weight, its mineral composition is about 40–40–20% concentration of sand–si ...

, occasionally

salt In common usage, salt is a mineral composed primarily of sodium chloride (NaCl). When used in food, especially in granulated form, it is more formally called table salt. In the form of a natural crystalline mineral, salt is also known as r ...

. Laboissiere alluvial channels the channel is located in a well defined river valley. In winter, the river often freezes to the bottom. Freezing was observed 5 times in past 43 years.

In art

* "Tobol and Ayat" — a poem by Yevtushenko.

References

Water resources of the Chelyabinsk region
{{Rivers of Kazakhstan Rivers of Kazakhstan Rivers of Chelyabinsk Oblast