The Seymchan (russian: Сеймчан) is a
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 wate ...
in
Srednekansky District
Srednekansky District (russian: Среднека́нский райо́н) is an administrative district (raion), one of the eight in Magadan Oblast, Russia.Law #1292-OZ As a municipal division, it is incorporated as Srednekansky Urban Okrug.La ...
,
Magadan Oblast
Magadan Oblast ( rus, Магаданская область, r=Magadanskaya oblast, p=məgɐˈdanskəjə ˈobləsʲtʲ) is a federal subject (an oblast) of Russia. It is geographically located in the Far East region of the country, and is adminis ...
,
Russia
Russia (, , ), or the Russian Federation, is a List of transcontinental countries, transcontinental country spanning Eastern Europe and North Asia, Northern Asia. It is the List of countries and dependencies by area, largest country in the ...
. It is a left
tributary
A tributary, or affluent, is a stream or river that flows into a larger stream or main stem (or parent) river or a lake. A tributary does not flow directly into a sea or ocean. Tributaries and the main stem river drain the surrounding drainage ...
of the
Kolyma
Kolyma (russian: Колыма́, ) is a region located in the Russian Far East. It is bounded to the north by the East Siberian Sea and the Arctic Ocean, and by the Sea of Okhotsk to the south. The region gets its name from the Kolyma River an ...
, with a length of a
drainage basin
A drainage basin is an area of land where all flowing surface water converges to a single point, such as a river mouth, or flows into another body of water, such as a lake or ocean. A basin is separated from adjacent basins by a perimeter, t ...
of .
The name comes from the
Yakut language
Yakut , also known as Yakutian, Sakha, Saqa or Saxa ( sah, саха тыла), is a Turkic language spoken by around 450,000 native speakers, primarily the ethnic Yakuts and one of the official languages of Sakha (Yakutia), a federal republic ...
word Kheymchen, which is an area of open water surrounded by
sea ice
Sea ice arises as seawater freezes. Because ice is less dense than water, it floats on the ocean's surface (as does fresh water ice, which has an even lower density). Sea ice covers about 7% of the Earth's surface and about 12% of the world's oce ...
.
[W.J. Stringer and J.E. Groves. 1991]
''Extent of Polynyas in the Bering and Chukchi Seas''
/ref>
Course
The river rises in the Upper Kolyma Highlands
The Upper Kolyma Highlands ( rus, Верхнеколымское нагорье) is a highland area in Magadan Oblast, Far Eastern Federal District, Russia. The biggest town in the highlands is Susuman.
There are large deposits of gold, tin and ...
, eastern limits of 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 O ...
, at the confluence of Left Seymchan and Right Seymchan. It flows first in a northeast direction, bending along its course until it flows in a southeastern direction. Finally it meets the Kolyma near Seymchan, from its mouth, downstream from the mouth of the Buyunda
The Buyunda (russian: Буюнда) is a river in Magadan Oblast, Russian Far East. It is a right tributary of the Kolyma, with a length of and a drainage basin of .Google Earth
Together with the Seymchan that flows roughly southwards on the f ...
on the opposite bank.[1,000,000 scale Operational Navigation Chart; Sheet D-8]
/ref>
Together with the Buyunda that flows roughly northwards on the other side of the Kolyma basin, the Seymchan forms the Seymchan-Buyunda Depression, which limits the Upper Kolyma Highlands from the east.
See also
*List of rivers of Russia
Russia can be divided into a European and an Asian part. The dividing line is generally considered to be the Ural Mountains. The European part is drained into the Arctic Ocean, Baltic Sea, Black Sea, and Caspian Sea. The Asian part is drained into ...
References
External links
NAVIGATION TO ANUYSK VIA SEYMCHAN
Rivers of Magadan Oblast
{{Russia-river-stub