Buolkalakh

The Buolkalakh (Russian: Буолкалах; Yakut: Буолкалах, Buolkalax) is a river in Yakutia (Sakha Republic), Russia. It is a tributary of the Olenyok with a length of 305 kilometres (190 mi) and a drainage basin area of 8,780 square kilometres (3,390 sq mi).[1]

Buolkalakh
Буолкалах / Буолкалаах
Course of the Buolkalakh
Buolkalakh is located in Sakha Republic
Buolkalakh
Mouth location in Yakutia, Russia
Buolkalakh is located in Russia
Buolkalakh
Buolkalakh (Russia)
Location
CountryRussia
Physical characteristics
Source 
 • locationNorth Siberian Lowland
 • coordinates71°35′00″N 117°41′45″E
MouthOlenyok
 • coordinates
72°55′32″N 119°55′18″E
Length305 km (190 mi)
Basin size8,780 km2 (3,390 sq mi)
Basin features
ProgressionOlenyok→Laptev Sea

It is a lowland river with its mouth very close to the Olenyok delta. It flows north of the Arctic Circle across a lonely, desolate tundra area devoid of settlements.[2]

Course

The Buolkalakh is a left tributary of the Olenyok. It has its origin in a swampy area full of lakes, just a little north of the sources of the Udya and the Bur. It flows roughly northwestwards, meandering along its course. After the confluence of the Khaastaakh it flows roughly northwards, skirting a low ridge. Finally it joins the left bank of the Olenyok river only 6.9 km (4.3 mi) upstream of its mouth. The confluence is a little upstream from the village of Ust-Olenyok.[3][2][4]

The river is fed by snow and rain. It is frozen between early October and early June. The longest tributaries are the 123 kilometres (76 mi) long Khaastaakh (Хаастаах) and the 74 kilometres (46 mi) long Molokho (Молохо) from the right.[1] The river basin is mostly in Olenyoksky District, with the upper course section of the Khaastaakh in Bulunsky District.

See also

References
  1. "Река Буолкалаах in the State Water Register of Russia". textual.ru (in Russian).
  2. "Топографска карта S-49 50; M 1:1 000 000 - Topographic USSR Chart (in Russian)". Retrieved 3 May 2022.
  3. "Топографска карта R-49 50; M 1:1 000 000 - Topographic USSR Chart (in Russian)". Retrieved 3 May 2022.
  4. Буолкалах / Great Soviet Encyclopedia: in 30 vols. / Ch. ed. A.M. Prokhorov. - 3rd ed. - M. Soviet Encyclopedia, 1969-1978
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