Anadyr River

Anadyr (Russian: Ана́дырь) is a river in the far northeast Siberia which flows into Anadyr Bay of the Bering Sea and drains much of the interior of Chukotka Autonomous Okrug. Its basin corresponds to the Anadyrsky District of Chukotka.

Geography

The Anadyr is 1,146 kilometres (712 mi) long and has a basin of 191,000 square kilometres (74,000 sq mi). It is frozen from October to late May and has a maximum flow in June with the snowmelt. It is navigable in small boats for about 570 kilometres (350 mi) to near Markovo. West of Markovo it is in the Anadyr Highlands (moderate mountains and valleys with a few trees) and east of Markovo it moves into the Anadyr lowlands (very flat treeless tundra with lakes and bogs). The drop from Markovo to the sea is less than 100 feet (30 m).

It rises at about 67°N latitude and 173°E longitude near the headwaters of the Maly Anyuy River, flows southwest receiving the waters of the Yablon and Eropol Rivers, turns east and passes Markvovo and the old site of Anadyrsk, turns north and east and receives the Mayn River from the south, thereby encircling the Lebediny Zakaznik, turns northeast to receive the Belaya River (Chukotka) from the north, turns southeast past the Ust-Tanyurer Zakaznik and receives the Tanyurer River from the north. At Lake Krasnoye, it turns east and flows into the Onemen Bay of the Anadyr Estuary. If the Onemen Bay is considered part of the river, it also receives the Velikaya River (Chukotka) from the south and the Kanchalan River from the north.

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Anadyr

Anadyr may refer to:

See also

Anadyrsky District

Anadyrsky District (Russian: Ана́дырский райо́н; Chukchi: Кагыргын район) is an administrative and municipal district (raion), one of the six in Chukotka Autonomous Okrug, Russia. It is located in the central and southern parts of the autonomous okrug and borders with Chaunsky District in the northwest, Iultinsky District in the north and northeast, the Gulf of Anadyr in the east, Koryak Okrug in the south, and with Bilibinsky District in the west and northwest. It also completely surrounds the territory of the town of okrug significance of Anadyr. The area of the district is 287,900 square kilometers (111,200 sq mi). Its administrative center is the town of Anadyr (which is not administratively a part of the district). Population: 6,935 (2010 Census); 8,007 (2002 Census); 40,475 (1989 Census).

In terms of area, this is the largest district in the autonomous okrug. The district is located in a mountainous region, the peaks of which provide the catchment areas for the Anadyr River and its tributaries. The district is home to a large number of indigenous peoples as well as Russians and Ukrainians. Humans have been living in what is now Anadyrsky District for at least five thousand years. Following the foundation of the first Russian-speaking settlements by Semyon Dezhnyov, this territory became the key part of the region in terms of trade, exploration, and administration, which still continues today.

River

A river is a natural flowing watercourse, usually freshwater, flowing towards an ocean, sea, lake or another river. In some cases a river flows into the ground and becomes dry at the end of its course without reaching another body of water. Small rivers can be referred to using names such as stream, creek, brook, rivulet, and rill. There are no official definitions for the generic term river as applied to geographic features, although in some countries or communities a stream is defined by its size. Many names for small rivers are specific to geographic location; examples are "run" in some parts of the United States, "burn" in Scotland and northeast England, and "beck" in northern England. Sometimes a river is defined as being larger than a creek, but not always: the language is vague.

Rivers are part of the hydrological cycle. Water generally collects in a river from precipitation through a drainage basin from surface runoff and other sources such as groundwater recharge, springs, and the release of stored water in natural ice and snowpacks (e.g. from glaciers). Potamology is the scientific study of rivers while limnology is the study of inland waters in general.