Muna (Lena)

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Muna
Муна
Data
Water code RU :  18030900112117500009297
location Sakha Republic (Yakutia) ( Russia )
River system Lena
Drain over Lena  → Arctic Ocean
source Central Siberian Mountains
67 ° 7 ′ 51 ″  N , 113 ° 54 ′ 50 ″  E
Source height 332  m
muzzle Lena coordinates: 67 ° 53 '32 "  N , 123 ° 1' 49"  E 67 ° 53 '32 "  N , 123 ° 1' 49"  E
Mouth height 23  m
Height difference 309 m
Bottom slope 0.43 ‰
length 715 km
Catchment area 30,100 km²
Left tributaries Severnaya
Right tributaries Munakan , Khakshan
Location of the Muna in the catchment area of ​​the Lena (in the upper area)

Location of the Muna in the catchment area of ​​the Lena (in the upper area)

The Muna ( Russian Муна ) is a 715 km long left tributary of the Lena in Northeast Siberia ( Russia , Asia ).

course

The Muna arises in the northeast of the Central Siberian Mountains at an altitude of 332  m just north of the Arctic Circle from the short (about 20 kilometers) source rivers Orto-Muna (left) and Ulachan-Muna (right). It flows in an easterly direction along the northeastern edge of the Central Siberian Mountains, in sections through a narrow valley cut deep into the surrounding highlands. In this meandering the flow in wide arches and finally flows into 23  m height in a left arm of the Lena.

The most important tributaries are Munakan (length 201 km) and Khachtschan (221 km) from the right, Severnaya (238 km) from the left. There are almost 2500 lakes in the Muna catchment area.

In its entire course, the Muna flows through practically uninhabited territory on the territory of the autonomous Republic of Sakha (Yakutia) . There are no towns along the river.

Hydrography

The catchment area of the Muna covers around 30,100 km². Near the mouth, the river is over 300 meters wide; the flow velocity is 0.1 m / s.

The Muna freezes between the second half of October and the end of May / beginning of June. It freezes through to the bottom between December and May.

Infrastructure

The Muna is not navigable. There is no infrastructure whatsoever in the flow through area.

Individual evidence

  1. ↑ a b Article Muna in the Great Soviet Encyclopedia (BSE) , 3rd edition 1969–1978 (Russian)http: //vorlage_gse.test/1%3D079002~2a%3DMuna~2b%3DMuna
  2. ↑ a b Muna (Ulachan-Muna) in the State Water Register of the Russian Federation (Russian)