Lake Teletskoye

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{island, water, area}
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Lake Teletskoye (Russian: Озеро Телецкое, Altay: Алтын Кӧл, Altyn-Köl, literally: "Golden Lake") is the largest lake in the Altay Mountains and the Altai Republic, Russia. It is one of 25 deepest lakes in the world, having a depth of up to 325 meters.[1]

Situated at a height of 434 m (1,424 ft) above sea level, the lake is 78 km (48 miles) long and 5 km (3 mi) wide and lies between the mountain ridges Korbu and Al-tyntu, on the junction of Sailughem Mountains and Western Sayans. Its surface area is 233 km² (90 sq mi); however, due to its considerable depth (325 m, 1,066 ft), the lake contains no less than 40 km³ (9.6 cubic miles) of fresh water. Annual water level fluctuations are estimated at some 348 sm. The lake transparency is high, with the visibility of the lake water ranging from six to fourteen meters.

About 70 rivers and 150 temporary streams flow into the lake, the largest of them, Chulyshman River, supplying more than half of the lake's water. The lake is drained through a single outlet, the Biya River, which, after its confluence with the Katun River, forms one of Siberia's largest rivers, the Ob River.

The lake is surrounded by mountains of 600-1,300 m in the northern part and about 1,700-2,400 m (5,600 - 7,900 ft) in the southern part. Lake Teletskoe is included into Altaisky Nature Reserve. That reserve along with the Katun Natural Reserve and the Ukok Plateau Nature Refuge were listed as one of UNESCO World Natural Heritage Sites under the name "Golden Mountains of Altai".[2]

The Altay people have a legend about the name of the lake in their language, which means Golden Lake. According to this story, once, a rich man had a ingot of gold, which he wanted to use to buy food. He travelled around Altai, but could not find anyone who would sell him any food. Eventually, he threw the gold into the lake; allegedly, this is where the name originates from.[3]

Contents

Researches

There is a field base of Institute of Taxonomy and Ecology of Animals (Russian: Институт систематики и экологии животных СО РАН) by Siberian Division of Russian Academy of Sciences (Russian: Сибирское отделение Российской академии наук) at northwest part of the lake, about 6 km from head water of Biya River. On basis of it are performed researches of insect-eaters and rodents of Altai Republic, helminthofauna of vertebrates in biocenoses of taiga, ichthyocenose and animal plankton of Lake Teletskoye. Near of the base is located research-and-production sport-and-sanitary base of Gorno-Altaisk State University. Tomsk State University carries out its investigation more than 50 years. Many years here work ecologists from Institute of Water and Ecological Problems (Russian: Институт водных и экологических проблем СО РАН) by Siberian Division of Russian Academy of Sciences, and also geologists and archeologists from the Academy. Geomorphologists and geologists scrutinize geological structure of Lake Teletskoye, its paleogeography, age and origin.

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