The Bulun (russian: Булун), also known as "Rassokha", is a river in

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 admin ...

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-eigh ...

. 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 The Korkodon (russian: Коркодон; ykg, Коркигэ) is a river in Magadan Oblast, Russian Far East. It is a right tributary of the Kolyma, with a length of a drainage basin of . The upper reaches of the river are in Omsukchansky Distri ...

, 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 ...

basin. Its river basin is located in a discontinuous

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 surfac ...

zone.Water of Russia - Булун
/ref> The river flows across an uninhabited area of the

Kolyma Mountains The Kolyma Mountains or Kolyma Upland ( rus, Колымское нагорье, r=Kolymskoye Nagorye) is a system of mountain ranges in northeastern Siberia, lying mostly within the Magadan Oblast, along the shores of the Sea of Okhotsk in the Ko ...

. 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 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 ban ...

ing strongly and the floodplain becomes wider, with swamps and

oxbow lake An oxbow lake is a U-shaped lake or pool that forms when a wide meander of a river is cut off, creating a free-standing body of water. In South Texas, oxbows left by the Rio Grande are called '' resacas''. In Australia, oxbow lakes are cal ...

s. There are also numerous small thermokarst lakes. At last the Bulun joins the right bank of the

from its mouth. Google Earth The main tributaries of the Bulun are the long Vizualnaya, the long Nenkal and the long Aly-Yuryakh from the right, as well as the long Nelgyu from the left. The river is frozen between early October and late May. There is a winter road running along the left bank.

References

External links

Anadyr - Freshwater Ecoregions of the World
Rivers of Magadan Oblast {{Russia-river-stub

Course

See also

References

External links