Unuk River

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Unuk River
Section of the Unuk River south of the Canadian border

Section of the Unuk River south of the Canadian border

Data
Water code US :  1415506
location British Columbia (Canada),
Alaska (USA)
River system Unuk River
origin Boundary Ranges ( Coast Mountains )
56 ° 38 ′ 9 ″  N , 130 ° 4 ′ 46 ″  W.
Source height approx.  1280  m
muzzle Burroughs Bay ( Behm Canal ) Coordinates: 56 ° 3 ′ 36 "  N , 131 ° 6 ′ 20"  W 56 ° 3 ′ 36 "  N , 131 ° 6 ′ 20"  W.
Mouth height 0  m
Height difference approx. 1280 m
Bottom slope approx. 11 ‰
length 112 km
Catchment area approx. 2470 km²
Discharge at level 15015590
A Eo : 1484 km²
Location: 48 km above the mouth 		MQ 1968/1995
Mq 1968/1995
 		104 m³ / s
70.1 l / (s km²)
Left tributaries South Unuk River
Right tributaries Blue River, Eulachon River

The Unuk River is a 112 km long river in the Canadian province of British Columbia and the US state of Alaska . It flows from the Coast Mountains in a southwestern direction to the Behm Canal , northeast of Ketchikan .

River course

The river has its origin in the Boundary Ranges south of the lower Iskut River . The Unuk River initially flows in a westerly direction. The Unuk Lake , which drains to it, is north of the river. The Unuk River soon turns to the southwest. 68 km above the mouth, the South Unuk River meets the river from the left. 44 km above the estuary it crosses the border with Alaska . After another 12 km the Blue River meets the river from the right. For the last 25 km the Unuk River flows through a 1.4 km wide valley in which it forms numerous meanders and river arms. Immediately before the confluence, the Eulachon River meets the Unuk River from the right. This finally flows into Burroughs Bay , a branch of the Behm Canal. The Unuk River drains a heavily glaciated area. Its catchment area covers about 2470 km². 48 km above the mouth, the mean discharge is 104 m³ / s. The highest monthly outflows occur during the ice melt of the glaciers in summer between June and August.

Above the border is Border Lake Provincial Park . Within Alaska, the Unuk River flows through the Misty Fjords National Monument .

Naming

In the Tlingit language the river is called "Joonáx". Sometimes it is also called "Oonáx", which is a reduced form. The USGS reported that a 1906 publication referred to the correct river name as "Junuk" or "Junock".

Fish fauna

Various species of salmon can be found in the Unuk River , including chinook , coho , pink , chum, and sockeye .

Web links

Individual evidence

  1. ↑ a b Unuk River in the Geographic Names Information System of the United States Geological Survey
  2. ↑ a b CAX01 15015590 UNUK R NR STEWART BC
  3. ^ A b Unuk River Chinook Salmon Studies , Alaska Department of Fish and Game