The Anadyr Lowlands () are a low

alluvial plain An alluvial plain is a plain (an essentially flat landform) created by the deposition of sediment over a long period by one or more rivers coming from highland regions, from which alluvial soil forms. A ''floodplain'' is part of the process, bei ...

located in the

Chukotka Autonomous Okrug Chukotka ( ; ), officially the Chukotka Autonomous Okrug, is the easternmost federal subjects of Russia, federal subject of Russia. It is an Autonomous okrugs of Russia, autonomous okrug situated in the Russian Far East, and shares a border wi ...

Far Eastern Federal District The Far Eastern Federal District ( rus, Дальневосточный федеральный округ, p=dəlʲnʲɪvɐˈstot͡ɕnɨj fʲɪdʲɪˈralʲnɨj ˈokrʊk) is the largest and the least populated federal districts of Russia, federa ...

, Russia.

Geography

The

lowlands Upland and lowland are conditional descriptions of a plain based on elevation above sea level. In studies of the ecology of freshwater rivers, habitats are classified as upland or lowland. Definitions Upland and lowland are portions of a ...

are crossed by the

Anadyr River The Anadyr (; Yukaghir: Онандырь; ) is a river in the far northeast of Siberia which flows into the Gulf of Anadyr of the Bering Sea and drains much of the interior of Chukotka Autonomous Okrug. Its basin corresponds to the Anadyrsky ...

in the middle and the

Velikaya The Velikaya () is a river in Novosokolnichesky, Pustoshkinsky, Sebezhsky, Opochetsky, Pushkinogorsky, Ostrovsky, Palkinsky, and Pskovsky Districts of Pskov Oblast, as well as in the city of Pskov in Russia. It is the largest tributary of ...

in the south. They are bound by the Pekulney Range of the Chukotka Mountains to the northwest, west of which lie the Parapol-Belsky Lowlands (Парапольско-Бельская низменность) beyond which rise the Anadyr Highlands, and by the Rarytkin and Ukvushvuynen ranges of the Koryak Mountains to the south. The mouth of the Anadyr River flows into the Anadyr Gulf of the

Bering Sea The Bering Sea ( , ; rus, Бе́рингово мо́ре, r=Béringovo móre, p=ˈbʲerʲɪnɡəvə ˈmorʲe) is a marginal sea of the Northern Pacific Ocean. It forms, along with the Bering Strait, the divide between the two largest landmasse ...

to the east. The harbor city of Anadyr is located by the mouth on the shore of Onemen Bay in the estuarine area of the river.

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 ...

The lowlands are a flat, mostly marshy tundra plain with a maximum height of above sea level. The whole area is dotted with lakes, the largest of which are Krasnoye and Yanragytgyn.Ана́дырская ни́зменность; Anadyr Lowland article from the

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 ...

Besides the Anadyr, rivers

, Tumanskaya, TretyaTretya River and its place in regional ecology
/ref> and Kanchalan, flow across the lowlands. A few isolated small mountain ranges rise above the plain, such as the Ushkany, Zolotoy and

Dionysia The Dionysia (; Greek: Διονύσια) was a large festival in ancient Athens in honor of the god Dionysus, the central events of which were processions and sacrifices in honor of Dionysus, the theatrical performances of dramatic tragedies an ...

ranges. Geologically the Anadyr Lowlands are composed of loose Quaternary sediments, constrained by

permafrost Permafrost () is soil or underwater sediment which continuously remains below for two years or more; the oldest permafrost has been continuously frozen for around 700,000 years. Whilst the shallowest permafrost has a vertical extent of below ...

References

External links

*{{commonscat inline, Anadyr Basin
Wetlands in Russia - Vol.4
Plains of Russia Landforms of Chukotka Autonomous Okrug