Arga-Yuryakh (Rassokha)

The Arga-Yuryakh (Russian: Арга-Юрях; Yakut: Арҕаа Үрэх, Arğaa Ürex) is a river in Sakha Republic (Yakutia), Russia. It is a tributary of the Rassokha of the Alazeya basin. The river has a length of 312 kilometres (194 mi) and a drainage basin area of 5,600 square kilometres (2,200 sq mi).[1]

For the tributary of the Omoloy, see Arga-Yuryakh.
Arga-Yuryakh
Арга-Юрях / Арҕаа Үрэх
Course of the Arga-Yuryakh ONC map section
Arga-Yuryakh (Rassokha) is located in Sakha Republic
Arga-Yuryakh (Rassokha)
Mouth location in Yakutia, Russia
Location
CountryRussia
Physical characteristics
Source 
 • locationUlakhan-Sis
 • coordinates69°22′23″N 149°24′32″E
 • elevation93 m (305 ft)
MouthRassokha
 • coordinates
69°01′43″N 151°43′57″E
 • elevation
17 m (56 ft)
Length312 km (194 mi)
Basin size5,600 km2 (2,200 sq mi)
Basin features
ProgressionRassokha → Alazeya → Laptev Sea

The river flows north of the Arctic Circle, across desolate tundra territories of the East Siberian Lowland. Its basin falls within Srednekolymsky District.[2] The name of the river comes from the Yakut "Arğaa-ürex" (Арҕаа-үрэх), meaning "western river".[3]

Course

The Arga-Yuryakh has its sources at the confluence of the 21 km (13 mi) long Zeya and the 20 km (12 mi) long Taba-Bastaakh in the southern slopes of the Ulakhan-Sis. It flows roughly southwards away from the range, first following its southern flank eastwards, then bending southwards into a region of lakes of the Kolyma Lowland. The river meanders strongly, heading southeastwards across the vast lake area. Finally it meets the left bank of the northward flowing Ilin-Yuryakh. The confluence of both rivers forms the Rassokha, the largest tributary of the Alazeya.[2][4]

Tributaries

The main tributaries of the Arga-Yuryakh are the 126 km (78 mi) long Achchygyi-Yurekh (Аччыгый-Юрэх) on the right, as well as the 62 km (39 mi) long Ot-Yurekh and the 50 km (31 mi) long Kusagan-Yurekh on the left.[1] The river is frozen between late September or early October and late May or early June.

The Arga-Yuryakh is fed by snow, rain and ice. The river basin is marked by permafrost, swamps and lakes, the lake surface taking 15.2 % of the total basin area.[5]

See also

References
  1. "Река Аргаа-Юрэх in the State Water Register of Russia". textual.ru (in Russian).
  2. "R-55_56 Topographic Chart (in Russian)". Retrieved 17 May 2022.
  3. Leontiev V.V. , Novikova K.A. Toponymic dictionary of the North-East of the USSR / scientific. ed. G. A. Menovshchikov ; FEB AS USSR . North-East complex. Research Institute. Lab. archeology, history and ethnography. - Magadan: Magadan . book. publishing house , 1989. - p. 73 - 456 p. — ISBN 5-7581-0044-7
  4. Google Earth
  5. Арга-Юрях / Great Soviet Encyclopedia: in 30 vols. / Ch. ed. A.M. Prokhorov. - 3rd ed. - M. Soviet Encyclopedia, 1969-1978
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