Arctic Alaska or Far North Alaska is a region of the U.S. state of Alaska generally referring to the northern areas on or close to the Arctic Ocean.
It commonly includes North Slope Borough, Northwest Arctic Borough, Nome Census Area, and is sometimes taken to include parts of the Yukon-Koyukuk Census Area. Some notable towns there include Prudhoe Bay, Utqiaġvik, Kotzebue, Nome and Galena, although some of these are not in the Arctic Circle proper.
The North American Arctic is composed of the northern polar regions of Alaska (USA), Northern Canada and Greenland. Major bodies of water include the Arctic Ocean, Hudson Bay, the Gulf of Alaska and North Atlantic Ocean. The North American Arctic lies above the Arctic Circle. It is part of the Arctic, which is the northernmost region on Earth. The western limit is the Seward Peninsula and the Bering Strait. The southern limit is the Arctic Circle latitude of 66° 33’N, which is the approximate limit of the midnight sun and the polar night.
The Arctic region is defined by environmental limits where the average temperature for the warmest month (July) is below 10 °C (50 °F). The northernmost tree line roughly follows the isotherm at the boundary of this region. The climate of the region is known to be intensely cold during the year due to its extreme polar location. The area has tundra, Arctic vegetation, glaciers, and, for most of the year, is covered in thick blankets of snow and ice.
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