The Kolyma Lowland (russian: Колымская низменность) is a
lowland
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 ...
plain
In geography, a plain is a flat expanse of land that generally does not change much in elevation, and is primarily treeless. Plains occur as lowlands along valleys or at the base of mountains, as coastal plains, and as plateaus or uplands ...
in the northeastern parts of
Sakha Republic in the basin of the
Alazeya
The Alazeya ( rus, Алазея, r=; sah, Алаһыай, translit=Alahıay) is a river in the northeastern part of Yakutia, Russia which flows into the Arctic between the basins of the larger Indigirka to the west and the Kolyma to the east.
Mou ...
,
Bolshaya Chukoch'ya and lower reaches of the
Kolyma rivers. The lowland is formed by fluvio-lacustrine
loam soil
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–sil ...
about 120 m thick. The climate is subarctic.
Geography
The Kolyma Lowland stretches for along the Kolyma River from the
East Siberian Sea to the
Chersky Range
The Chersky Range (, ) is a chain of mountains in northeastern Siberia between the Yana River and the Indigirka River. Administratively the area of the range belongs to the Sakha Republic, although a small section in the east is within Magadan ...
, between the
Alazeya
The Alazeya ( rus, Алазея, r=; sah, Алаһыай, translit=Alahıay) is a river in the northeastern part of Yakutia, Russia which flows into the Arctic between the basins of the larger Indigirka to the west and the Kolyma to the east.
Mou ...
and
Yukagir plateaus. Besides the Kolyma, other rivers in the lowland include the
Alazeya
The Alazeya ( rus, Алазея, r=; sah, Алаһыай, translit=Alahıay) is a river in the northeastern part of Yakutia, Russia which flows into the Arctic between the basins of the larger Indigirka to the west and the Kolyma to the east.
Mou ...
, its tributary
Rossokha, and the
Chukochya. The average elevation of the Kolyma lowland is with occasional heights, such as the high
Suor Uyata
The Suor Uyata ( rus, Суор-Уята; sah, Суор Уйата) is a mountain range in the Sakha Republic, Far Eastern Federal District, Russia. The village of Andryushkino, a small inhabited locality of the Lower Kolyma District, is located ...
.
[ Google Earth]
The Kolyma Lowland is part of the wider Yana-Kolyma system of lowlands, which include the
Aby Aby or ABY may refer to:
Places
* Aby, Ivory Coast
* Aby Lagoon, a lagoon in Ivory Coast
* Abyy or Aby, Sakha Republic, Russia
** Aby Lowland
* Aby, Lincolnshire, a village in England, UK
* Åby, Norrköping Municipality, Sweden
* Åby, Växjö Mun ...
to the south of the
Polousny Range
The Polousny Range ( rus, Полоусный кряж; sah, Полоуснай томтороот) is a mountain range in the Sakha Republic, Far Eastern Federal District, Russia.Полоусный кряж (Polousny Range) / Great Soviet Encyc ...
and the
Yana-Indigirka on the northern and western sides.
[Oleg Leonidovič Kryžanovskij, ''A Checklist of the Ground-beetles of Russia and Adjacent Lands.'' p. 16]
See also
*
Northeast Siberian coastal tundra
The Northeast Siberian coastal tundra ecoregion (WWF ID: PA1107) is an ecoregion that covers the coastal plain of the central north region of Siberia in Russia. This coastal region borders the Laptev Sea and the East Siberian Sea, both marginal se ...
*
Pleistocene park
Pleistocene Park (russian: Плейстоценовый парк, Pleystotsenovyy park) is a nature reserve on the Kolyma River south of Chersky in the Sakha Republic, Russia, in northeastern Siberia, where an attempt is being made to re-crea ...
References
{{reflist
East Siberian Lowland