Arctic Alaska
Encyclopedia
Arctic Alaska or Far North Alaska is a region
Region
Region is most commonly found as a term used in terrestrial and astrophysics sciences also an area, notably among the different sub-disciplines of geography, studied by regional geographers. Regions consist of subregions that contain clusters of like areas that are distinctive by their uniformity...

 of the U.S.
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 state
U.S. state
A U.S. state is any one of the 50 federated states of the United States of America that share sovereignty with the federal government. Because of this shared sovereignty, an American is a citizen both of the federal entity and of his or her state of domicile. Four states use the official title of...

 of Alaska
Alaska
Alaska is the largest state in the United States by area. It is situated in the northwest extremity of the North American continent, with Canada to the east, the Arctic Ocean to the north, and the Pacific Ocean to the west and south, with Russia further west across the Bering Strait...

 generally referring to the northern areas on or close to the Arctic Ocean
Arctic Ocean
The Arctic Ocean, located in the Northern Hemisphere and mostly in the Arctic north polar region, is the smallest and shallowest of the world's five major oceanic divisions...

.

It commonly includes North Slope Borough
North Slope Borough, Alaska
-National protected areas:* Alaska Maritime National Wildlife Refuge ** Cape Lisburne** Cape Thompson* Arctic National Wildlife Refuge ** Mollie Beattie Wilderness * Gates of the Arctic National Park and Preserve...

, Northwest Arctic Borough
Northwest Arctic Borough, Alaska
-National protected areas:* Alaska Maritime National Wildlife Refuge ** Chamisso Wilderness* Bering Land Bridge National Preserve * Cape Krusenstern National Monument* Gates of the Arctic National Park and Preserve...

, Nome Census Area
Nome Census Area, Alaska
Nome Census Area is a census area located in the state of Alaska, United States. As of the 2000 census, the population was 9,196. It is part of the unorganized borough and therefore has no borough seat. Its largest community by far is the city of Nome....

, Wade Hampton Census Area
Wade Hampton Census Area, Alaska
Wade Hampton Census Area is a census area located in the U.S. state of Alaska. As of the 2000 census, the population was 7,028. It is part of the unorganized borough and therefore has no borough seat...

, and Yukon-Koyukuk Census Area
Yukon-Koyukuk Census Area, Alaska
Yukon-Koyukuk Census Area is a census area located in the state of Alaska, United States. As of the 2010 census, the population was 5,588. It is part of the unorganized borough and therefore has no borough seat...

. Some notable town
Town
A town is a human settlement larger than a village but smaller than a city. The size a settlement must be in order to be called a "town" varies considerably in different parts of the world, so that, for example, many American "small towns" seem to British people to be no more than villages, while...

s there include Prudhoe Bay
Prudhoe Bay, Alaska
Prudhoe Bay or Sagavanirktok is a census-designated place located in North Slope Borough in the U.S. state of Alaska. As of the 2010 census, the population of the CDP was 2,174 people; however, at any given time several thousand transient workers support the Prudhoe Bay oil field...

, Barrow
Barrow, Alaska
Barrow is the largest city of the North Slope Borough in the U.S. state of Alaska. It is one of the northernmost cities in the world and is the northernmost city in the United States of America, with nearby Point Barrow being the nation's northernmost point. Barrow's population was 4,212 at the...

, Kotzebue
Kotzebue, Alaska
As of the census of 2000, there were 3,082 people, 889 households, and 656 families residing in the city. The population density was 114.1 people per square mile . There were 1,007 housing units at an average density of 37.3 per square mile...

, Nome
Nome, Alaska
Nome is a city in the Nome Census Area in the Unorganized Borough of the U.S. state of Alaska, located on the southern Seward Peninsula coast on Norton Sound of the Bering Sea. According to the 2010 Census, the city population was 3,598. Nome was incorporated on April 9, 1901, and was once the...

, Hooper Bay
Hooper Bay, Alaska
Hooper Bay or Naparyarmiut is a city in Wade Hampton Census Area, Alaska, United States. At the 2000 census the population was 1,014. The Boards of Canada EP Hooper Bay was named after the city....

, and Galena
Galena, Alaska
Galena is the largest city in the Yukon-Koyukuk Census Area in the U.S. state of Alaska. At the 2000 census the population was 675.-History:...

.

Most of these communities have no highway
Highway
A highway is any public road. In American English, the term is common and almost always designates major roads. In British English, the term designates any road open to the public. Any interconnected set of highways can be variously referred to as a "highway system", a "highway network", or a...

s and can only be reached by aircraft
Aircraft
An aircraft is a vehicle that is able to fly by gaining support from the air, or, in general, the atmosphere of a planet. An aircraft counters the force of gravity by using either static lift or by using the dynamic lift of an airfoil, or in a few cases the downward thrust from jet engines.Although...

 or snowmobile
Snowmobile
A snowmobile, also known in some places as a snowmachine, or sled,is a land vehicle for winter travel on snow. Designed to be operated on snow and ice, they require no road or trail. Design variations enable some machines to operate in deep snow or forests; most are used on open terrain, including...

 in good weather
Weather
Weather is the state of the atmosphere, to the degree that it is hot or cold, wet or dry, calm or stormy, clear or cloudy. Most weather phenomena occur in the troposphere, just below the stratosphere. Weather refers, generally, to day-to-day temperature and precipitation activity, whereas climate...

. Originally inhabited by various Eskimo
Eskimo
Eskimos or Inuit–Yupik peoples are indigenous peoples who have traditionally inhabited the circumpolar region from eastern Siberia , across Alaska , Canada, and Greenland....

 groups living off abundant salmon
Salmon
Salmon is the common name for several species of fish in the family Salmonidae. Several other fish in the same family are called trout; the difference is often said to be that salmon migrate and trout are resident, but this distinction does not strictly hold true...

 fishing
Fishing
Fishing is the activity of trying to catch wild fish. Fish are normally caught in the wild. Techniques for catching fish include hand gathering, spearing, netting, angling and trapping....

, modern settlement in Arctic Alaska was driven first by discoveries of gold
Gold
Gold is a chemical element with the symbol Au and an atomic number of 79. Gold is a dense, soft, shiny, malleable and ductile metal. Pure gold has a bright yellow color and luster traditionally considered attractive, which it maintains without oxidizing in air or water. Chemically, gold is a...

 and later on by the extraction of petroleum
Extraction of petroleum
The extraction of petroleum is the process by which usable petroleum is extracted and removed from the earth.-Locating the oil field:Geologists use seismic surveys to search for geological structures that may form oil reservoirs...

.

The ecosystem
Ecosystem
An ecosystem is a biological environment consisting of all the organisms living in a particular area, as well as all the nonliving , physical components of the environment with which the organisms interact, such as air, soil, water and sunlight....

 consists largely of tundra
Tundra
In physical geography, tundra is a biome where the tree growth is hindered by low temperatures and short growing seasons. The term tundra comes through Russian тундра from the Kildin Sami word tūndâr "uplands," "treeless mountain tract." There are three types of tundra: Arctic tundra, alpine...

 covering mountain range
Mountain range
A mountain range is a single, large mass consisting of a succession of mountains or narrowly spaced mountain ridges, with or without peaks, closely related in position, direction, formation, and age; a component part of a mountain system or of a mountain chain...

s and coastal plain
Coastal plain
A coastal plain is an area of flat, low-lying land adjacent to a seacoast and separated from the interior by other features. One of the world's longest coastal plains is located in eastern South America. The southwestern coastal plain of North America is notable for its species diversity...

s which are home to bears, wolves, sheep, oxen, reindeer
Reindeer
The reindeer , also known as the caribou in North America, is a deer from the Arctic and Subarctic, including both resident and migratory populations. While overall widespread and numerous, some of its subspecies are rare and one has already gone extinct.Reindeer vary considerably in color and size...

, and numerous species
Species
In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring. While in many cases this definition is adequate, more precise or differing measures are...

 of birds, indeed the north coast has been defined as the Arctic coastal tundra
Arctic coastal tundra
The Arctic coastal tundra is an ecoregion of the far north of North America, an important breeding ground for a great deal of wildlife.-Setting:...

 ecoregion. Arctic Alaska is also the location of the Arctic National Wildlife Refuge
Arctic National Wildlife Refuge
The Arctic National Wildlife Refuge is a national wildlife refuge in northeastern Alaska, United States. It consists of in the Alaska North Slope region. It is the largest National Wildlife Refuge in the country, slightly larger than the Yukon Delta National Wildlife Refuge...

, Gates of the Arctic National Park and Preserve
Gates of the Arctic National Park and Preserve
Gates of the Arctic National Park and Preserve is a U.S. National Park in Alaska. It is the northernmost national park in the U.S. and the second largest at 13,238 mi² , about the same size as Switzerland. The park consists primarily of portions of the Brooks Range of mountains...

, and the National Petroleum Reserve-Alaska. The Arctic experiences midnight sun
Midnight sun
The midnight sun is a natural phenomenon occurring in summer months at latitudes north and nearby to the south of the Arctic Circle, and south and nearby to the north of the Antarctic Circle where the sun remains visible at the local midnight. Given fair weather, the sun is visible for a continuous...

 in the summer and polar night
Polar night
The polar night occurs when the night lasts for more than 24 hours. This occurs only inside the polar circles. The opposite phenomenon, the polar day, or midnight sun, occurs when the sun stays above the horizon for more than 24 hours.-Description:...

in the winter.

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