Rassokha

The Rassokha (Russian: Рассоха,[1] also Россоха; Yakut: Рассоха) is a river in the northeastern part of Yakutia, Russia. It is the major tributary of the Alazeya.[2]

For the river in Magadan Oblast, see Bulun (river).
Rassokha
Рассоха
Rassokha is located in Sakha Republic
Rassokha
Mouth location in Yakutia, Russia
Location
CountryRussia
LocationYakutia
Physical characteristics
Source 
 • locationLake Suokurdakh
 • coordinates69°1′42″N 151°43′55″E
 • elevation100 m (330 ft)
MouthAlazeya
 • coordinates
69°30′38″N 155°3′9″E
 • elevation
6 m (20 ft)
Length786 km (488 mi)
Basin size27,300 km2 (10,500 sq mi)
Discharge 
 • average38 m3/s (1,300 cu ft/s)
Basin features
ProgressionAlazeya→ East Siberian Sea

Geography

The river is 786 kilometres (488 mi) long. The area of its basin is 27,300 square kilometres (10,500 sq mi).[3]

The Rassokha is formed by the confluence of the rivers Ilin-Yuryakh and Arga-Yuryakh in the Kolyma Lowland. The original sources of the uppermost river in the network are in the Ulakhan-Sis Range. The Rassokha flows across the Middle Kolyma District and the Lower Kolyma District in an area marked by permafrost, with numerous swamps and lakes. Finally it joins the left bank of the Alazeya 383 km (238 mi) from its mouth.[4]

The Rassokha has 145 tributaries that are longer than 10 km (6.2 mi) and in its basin there are 7,442 lakes with a total area of 3,240 km2 (1,250 sq mi).[4]

The river freezes in late September through early October and stays icebound until the end of May.

Fauna

The forest tundra of the Rassokha basin, together with the Kondakov Plateau and the Suor Uyata and the Ulakhan-Tas, is part of the migration corridor of the Sundrun reindeer population.[5]

Map of the Alazeya basin with the Rassokha on the left.

See also

References
  1. Словарь названий гидрографических объектов России и других стран — членов СНГ, Federal Service for Geodesy and Cartography of Russia, 1999, p. 313
  2. Google Earth
  3. "Река Рассоха in the State Water Register of Russia". textual.ru (in Russian).
  4. Rossokha - Water (in Russian)
  5. Ivan Sivtsev , The Sundrun population of wild reindeer, The Ninth North American Caribou Workshop, Kuujjuaq, Québec, Canada, .
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