The Anadyr Lowlands (russian: Ана́дырская ни́зменность) are a low
alluvial plain
An alluvial plain is a largely flat landform created by the deposition of sediment over a long period of time by one or more rivers coming from highland regions, from which alluvial soil forms. A floodplain is part of the process, being the sma ...
located in the
Chukotka Autonomous Okrug
Chukotka (russian: Чуко́тка), officially the Chukotka Autonomous Okrug,, ''Čukotkakèn avtonomnykèn okrug'', is the easternmost federal subjects of Russia, federal subject of Russia. It is an autonomous okrug situated in the Russian ...
,
Far Eastern Federal District
The Far Eastern Federal District (russian: Дальневосто́чный федера́льный о́круг, ''Dalnevostochny federalny okrug'') is the largest of the federal districts of Russia, eight federal districts of Russia but t ...
, 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 p ...
are crossed by the
Anadyr River
The Anadyr (russian: Ана́дырь; Yukaghir: Онандырь; ckt, Йъаайваам) 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 ...
in the middle and the
Velikaya
The Velikaya () is a river in Novosokolnichesky District, Novosokolnichesky, Pustoshkinsky District, Pustoshkinsky, Sebezhsky District, Sebezhsky, Opochetsky District, Opochetsky, Pushkinogorsky District, Pushkinogorsky, Ostrovsky District, Pskov ...
in the south. They are bound by the
Pekulney Range
The Pekulney Range (russian: Пэкульней) is a range of mountains in far North-eastern Russia. Administratively the range is part of the Chukotka Autonomous Okrug of the Russian Federation. The area of the range is desolate and uninhabited ...
of the
Chukotka Mountains
The Chukotka Mountains ( rus, Чукотское нагорье) or Chukotka Upland ''(Чукотская горная страна)'' is a mountainous area in the Chukotka Autonomous Okrug, Far Eastern Federal District, Russia.Parapol-Belsky Lowlands (Парапольско-Бельская низменность) beyond which rise the
Anadyr Highlands
The Anadyr Highlands ( rus, Анадырское нагорье, r=Anadyrskoye Nagorye) are a mountainous area in the Chukotka Autonomous Okrug, Far Eastern Federal District, Russia.
Geography
The Anadyr Highlands are one of the two main mountai ...
Koryak Mountains
The Koryak Mountains or Koryak Highlands () are an area of mountain ranges in Far-Eastern Siberia, Russia, located in Chukotka Autonomous Okrug and in Kamchatka Krai, with a small part in Magadan Oblast. The highest point in the system is the Mou ...
to the south.
The mouth of the Anadyr River flows into the
Anadyr Gulf
The Gulf of Anadyr, or Anadyr Bay (russian: Анадырский залив), is a large bay on the Bering Sea in far northeast Siberia. It has a total surface area of
Location
The bay is roughly rectangular and opens to the southeast. The corn ...
of the
Bering Sea
The Bering Sea (, ; rus, Бе́рингово мо́ре, r=Béringovo móre) is a marginal sea of the Northern Pacific Ocean. It forms, along with the Bering Strait, the divide between the two largest landmasses on Earth: Eurasia and The Ameri ...
to the east. The harbor city of
Anadyr Anadyr may refer to:
*Anadyr (town), a town and the administrative center of Chukotka Autonomous Okrug, Russia
*Anadyr District
*Anadyr Estuary
*Anadyr (river), a river in Chukotka Autonomous Okrug, Russia
*Anadyr Highlands
*Anadyr Lowlands
*Operati ...
is located by the mouth on the shore of
Onemen Bay
Onemen Bay (russian: Залив Онемен, ''Zaliv Onmen''; ckt, Онмын, ''Onmyn'') is a bay of the Gulf of Anadyr, Bering Sea. Administratively it belongs to the Anadyrsky District of the Chukotka Autonomous Okrug, Russia. There are no se ...
in the estuarine area of the river.
Google Earth
Google Earth is a computer program that renders a 3D computer graphics, 3D representation of Earth based primarily on satellite imagery. The program maps the Earth by superimposition, superimposing satellite images, aerial photography, and geog ...
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 is Lake Krasnoye.Ана́дырская ни́зменность; Anadyr Lowland article from the
Great Soviet Encyclopedia
The ''Great Soviet Encyclopedia'' (GSE; ) 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 ''Bolshaya rossiyskaya e ...
Besides the Anadyr, rivers
Velikaya
The Velikaya () is a river in Novosokolnichesky District, Novosokolnichesky, Pustoshkinsky District, Pustoshkinsky, Sebezhsky District, Sebezhsky, Opochetsky District, Opochetsky, Pushkinogorsky District, Pushkinogorsky, Ostrovsky District, Pskov ...
Kanchalan
Kanchalan (russian: Канчала́н) is a rural locality (a '' selo'') in Anadyrsky District of Chukotka Autonomous Okrug, Russia, located northwest of Anadyr, the administrative center of the autonomous okrug. As of the 2010 Census, its popul ...
, 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 the theatrical performances of dramatic tragedies and, from 487 BC, comedies. It was the sec ...
ranges.
Geologically the Anadyr Lowlands are composed of loose Quaternary sediments, constrained by
permafrost
Permafrost is ground that continuously remains below 0 °C (32 °F) for two or more years, located on land or under the ocean. Most common in the Northern Hemisphere, around 15% of the Northern Hemisphere or 11% of the global surface ...