The Bulun (russian: Булун), also known as "Rassokha", is a river in
Magadan Oblast,
Russia
Russia (, , ), or the Russian Federation, is a transcontinental country spanning Eastern Europe and Northern Asia. It is the largest country in the world, with its internationally recognised territory covering , and encompassing one-eig ...
. It has a length of and 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, ...
of .
The Bulun is the longest tributary of the
Korkodon, of the
Kolyma basin. Its river basin is located in a discontinuous
permafrost zone.
[Water of Russia - Булун]
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The river flows across an uninhabited area of the Kolyma Mountains. Formerly there was a gold-mining settlement in its basin named Rassokha, but it was abandoned in the 1970s.[
]
Course
The Bulun is a right tributary of the Korkodon. Its source is in a small lake of the western slopes of the Kongin Range. The river flows first in a northern direction, bending towards the northwest. As it leaves the mountainous area, it bends towards the southwest in a floodplain
A floodplain or flood plain or bottomlands is an area of land adjacent to a river which stretches from the banks of its channel to the base of the enclosing valley walls, and which experiences flooding during periods of high discharge.Goudi ...
fringing the southern side of the Yukaghir Highlands
The Yukaghir Highlands ( rus, Юкагирское нагорье) are a mountainous area in the Sakha Republic and Magadan Oblast, Far Eastern Federal District, Russia.
The area is named after the Yukaghir people.
Geography
The Yukaghir High ...
. The river flows slowly in its last stretch meander
A meander is one of a series of regular sinuous curves in the channel of a river or other watercourse. It is produced as a watercourse erodes the sediments of an outer, concave bank ( cut bank) and deposits sediments on an inner, convex ba ...
ing strongly and the floodplain becomes wider, with swamps and oxbow lakes. There are also numerous small thermokarst lake
Alas ( sah, Алаас) is a shallow depression which occurs primarily in Yakutia, which is formed by subsidence of the Arctic permafrost owing to repeated melting and refreezing. An alas first develops as a shallow lake as melt water fills the ...
s. At last the Bulun joins the right bank of the Korkodon from its mouth.[ Google Earth][ The river is frozen between early October and late May. There is a winter road running along the left bank.][
]
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 drain ...
References
External links
Anadyr - Freshwater Ecoregions of the World
Rivers of Magadan Oblast
{{Russia-river-stub