Severnaya (Lower Tunguska)

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Severnaya
Северная
Location of Severnaya (Северная) in the northeast of the catchment area of ​​the Lower Tunguska

Location of Severnaya (Северная) in the northeast of the catchment area of ​​the Lower Tunguska

Data
Water code RU :  17010700412116100095466
location Krasnoyarsk Region , Siberia , Russia ( Asia )
River system Yenisei
Drain over Lower Tunguska  → Yenisei  → Arctic Ocean
source flows from the Severnojesee in the Putorana Mountains
67 ° 15 ′ 51 ″  N , 91 ° 56 ′ 7 ″  E
Source height approx.  201  m
muzzle above Turuchansk
in the Lower Tunguska coordinates: 65 ° 56 '50 "  N , 89 ° 1' 31"  E 65 ° 56 '50 "  N , 89 ° 1' 31"  E
Mouth height approx.  9  m
Height difference approx. 192 m
Bottom slope approx. 0.58 ‰
length 331 km
Catchment area 21,200 km²
Discharge at the gauge near the mouth MQ
 300 m³ / s
On the middle reaches of the Severnaya

On the middle reaches of the Severnaya

The Severnaya ( Russian Северная ; literally translated "the Northern") in the Asian part of Russia is a 331 km long northeast and orographically right tributary of the Lower Tunguska in the Siberian Krasnoyarsk region .

Geographical location

The Severnaya rises about 80 km north of the Arctic Circle in the southwest part of the Putorana Mountains , the northwest part of the Central Siberian Mountains . It flows from the Severnojesee , located between about 1005  m high mountains at 201  m altitude, which is fed in particular by Oron , Delingde and Epeklisen . It runs mainly southwest through the mountains and flows - some after crossing the Arctic Circle - at a height of about 9  m into the Lower Tunguska ; Around 63 river kilometers west-southwest of its confluence , at the confluence of the Lower Tunguska with the Yenisei, lies the town of Turukhansk . The Severnaya is covered with ice between October and the end of May.

Catchment area, vegetation and settlement

The drainage area of the Severnaya covers about 21,200 km². Their area of ​​origin lies in the region of permafrost with the lichens and mosses typical of the tundra , the forest tundra extends further downstream or south . Because of the remoteness there are only small settlements .

Individual evidence

  1. ↑ a b c d Article Severnaya in the Great Soviet Encyclopedia (BSE) , 3rd edition 1969–1978 (Russian)http: //vorlage_gse.test/1%3D100516~2a%3DSewernaja~2b%3DSewernaja
  2. ↑ a b c d e Severnaja in the State Water Register of the Russian Federation (Russian)