Cartes topographiques North Slope Borough

Atigun Pass (/ˈætɪɡən/ AT-i-gən), elevation 4,739 feet (1,444 m), is a high mountain pass across the Brooks Range in Alaska, located at the head of the Dietrich River. It is where the Dalton Highway crosses the Continental Divide (at mile marker 244), and is the highest pass in Alaska that is maintained…

Altitude moyenne : 1 530 m

Altitude moyenne : 0 m

Altitude moyenne : 0 m

Altitude moyenne : 3 m

Altitude moyenne : 83 m

Altitude moyenne : 2 115 m

Tussock tundra dominates the terrain surrounding the lake. Other plant communities in the area include wet sedge tundra, as well drier heath tundra found at higher elevations. Low growing shrubs are abundant, including birches and willows. Trees are not present. Since surveys began, there has been a 19 percent…

Altitude moyenne : 731 m

Despite the extreme northern location, temperatures at Utqiagvik are moderated by the surrounding topography. The Arctic Ocean is on three sides, and flat tundra stretches some 200 mi (320 km) to the south. No wind barriers or protected valleys exist where dense cold air can settle or form temperature…

Altitude moyenne : 4 m