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Encyclopedia > Alaska Peninsula
Volcanoes on the Alaska Peninsula
Volcanoes on the Alaska Peninsula

The Alaska Peninsula is a peninsula extending about 800 km (500 miles) to the southwest from the mainland of Alaska and ending in the Aleutian Islands. Along with the Aleutians, is serves to separate the Pacific Ocean from Bristol Bay, an arm of the Bering Sea. Image File history File links Map of Alaska Peninsula volcanoes. ... Image File history File links Map of Alaska Peninsula volcanoes. ... A peninsula in Croatia A peninsula (from the latin words paene insula, almost island) is a geographical landform consisting of an extension of a body of land from a larger body of land, surrounded by water on three sides. ... Official language(s) English Capital Juneau Largest city Anchorage Area  Ranked 1st  - Total 663,267 sq mi (1,717,855 km²)  - Width 808 miles (1,300 km)  - Length 1,479 miles (2,380 km)  - % water 13. ... Aleutians seen from space The Aleutian Islands (possibly from Chukchi aliat, island) are a chain of more than 300 small volcanic islands forming an island arc in the Northern Pacific Ocean, occupying an area of 6,821 sq mi (17,666 km²) and extending about 1,200 mi (1,900... For other meanings of Pacific, see Pacific (disambiguation). ... Shore of Bristol Bay near Naknek. ... Satellite photo of the Bering Sea Bering Sea and the North Pacific Ocean Bearing Sea with Kamchatka Peninsula and Alaska The Bering (or Imarpik) Sea is a body of water north of, and separated from, the north Pacific Ocean by the Alaska Peninsula and Aleutian Islands. ...

Contents

Geography

The Aleutians are a highly active volcanic mountain range which runs along its entire length. It contains several U.S. National Parks and Wildlife Refuges, including the Katmai National Park and Preserve, the Aniakchak National Monument and Preserve and the Becharof National Wildlife Refuge, the Alaska Peninsula National Wildlife Refuge, and Izembek National Wildlife Refuge. The Aleutian Range is the mountain range of the Alaska Peninsula in southeast Alaska. ... Katmai National Park and Preserve is a United States National Park in Alaska, notable for the Valley of Ten Thousand Smokes and for its brown bears. ... Aerial-view of the caldera of Mount Aniakchak from the west The Aniakchak National Monument and Preserve is a U.S. National Monument and National Preserve, consisting of the region around the Aniakchak volcano on the Aleutian Range of south-western Alaska, United States. ... The Alaska Peninsula National Wildlife Refuge is a portion of southwestern Alaska whose use is regulated as an ecological_protection measure. ...


The southern-most side of the Alaska Peninsula is rugged and mountainous, created by the uplifting tectonic activity of the North Pacific Plate subsiding under a western section of the North American Plate; whereas the northern side is generally flat and marshy, a result of millennia of erosion and general seismic stability.  The Pacific plate, shown in pale yellow The Pacific Plate is an oceanic tectonic plate beneath the Pacific Ocean. ...  The North American plate, shown in brown The North American Plate is a tectonic plate covering most of North America, extending eastward to the Mid-Atlantic Ridge and westward to the Cherskiy Range in East Siberia. ... Severe soil erosion in a wheat field near Washington State University, USA. For erosion as an operation of Mathematical morphology, see Erosion (morphology) Erosion is displacement of solids (soil, mud, rock and other particles) by the agents of ocean currents, wind, water, or ice by downward or down-slope movement... Seismology (from the Greek seismos = earthquake and logos = word) is the scientific study of earthquakes and the movement of waves through the Earth. ...


The differences between the northern and southern shores of the Alaska Peninsula are a study in contrasts. While the northern Bristol Bay coastal side is generally turbid and muddy, experiences tidal extremes, and is relatively shallow, the Pacific side has relatively small tidal activity, is very deep and clear. Shore of Bristol Bay near Naknek. ... For other meanings of Pacific, see Pacific (disambiguation). ...


Climate

In the south coast of the peninsula temperatures fluctuate beetwen (0 ºC to -2.0 ºC) in winter and 11º C in Summer. Rainfalls are fairly steady. The climate of the south coast is only comparable to those of: Aleutian Islands, Iceland, and Tierra del Fuego Aleutians seen from space The Aleutian Islands (possibly from Chukchi aliat, island) are a chain of more than 300 small volcanic islands forming an island arc in the Northern Pacific Ocean, occupying an area of 6,821 sq mi (17,666 km²) and extending about 1,200 mi (1,900... Tierra del Fuego (Spanish for Land of Fire) (English pronunciation ; Spanish ) is an archipelago, 28,476 sq mi (73,753 km²), separated from the southernmost tip of the South American mainland by the Strait of Magellan. ...


Flora and Fauna

The peninsula is devoid of trees. The Alaska Peninsula and Bristol Bay are home to the world's largest sockeye salmon runs in large part because the Alaska Peninsula is host to so many large lakes, which are an important element in the lifecycle of Oncorhynchus nerka, sockeye salmon. These salmon, after returning from their short life at sea, swim into the lakes and their contributing streams to spawn. Their offspring, or fry, overwinter in the deep and food-abundant depths of these lakes until their migration to the sea in one or two years. Binomial name Oncorhynchus nerka (Walbaum, 1792) Sockeye salmon (Oncorhynchus nerka), also called red salmon or blueback salmon, is an anadromous species of salmon found in the Pacific Ocean. ...


The Alaska Peninsula is also home to some of the largest populations of native and undisturbed wildlife in the United States. Besides the famous McNeil River and Katmai brown bear populations, large herds of caribou, moose, wolves and waterfowl inhabit the area. The McNeil River is a river on the eastern drainage of the Alaska Peninsula near its base and conjunction with the Alaska mainland, at 59°073N Latitude / 154°14 W Longitude. ... Katmai can mean: Katmai National Park and Preserve - a park in Alaska Mount Katmai - a volcano in the Katmai Park in Alaska; the site of a colossal 1912 eruption Katmai - Pentium III computer microprocessor core USS Mount Katmai (AE-16) - an ammunition ship in the US Navy from 1945-1973... Binomial name Ursus arctos Linnaeus, 1758 Ursus arctos range map. ... Binomial name Rangifer tarandus The reindeer, known as caribou in North America, is an Arctic-dwelling deer (Rangifer tarandus). ... Binomial name Alces alces (Linnaeus, 1758) Moose range map The moose (so named in North America, derived from Eastern Abenaki moz)[1] or elk (in Europe), Alces alces, is the largest member of the deer family Cervidae, distinguished from the others by the palmate antlers of its males. ... Binomial name Canis lupus Linnaeus, 1758 Wolf redirects here. ...


Demographics

See also: Lake and Peninsula Borough

Besides the communities on the (see: Bristol Bay) coast, the Alaska Peninsula also is home to several well-known villages: Cold Bay, King Cove, Perryville, Chignik, Chignik Lake, Chignik Lagoon, and Port Moller. Each is primarily inhabited by Alaska Natives and each, likewise, is mostly dependent on the fishing industry for sustinence. The village of Sand Point should be included here, despite its location on Popof Island, an island of the Sumagin Islands, just off the southern coast of the Peninsula. Lake and Peninsula Borough is a borough located in the state of Alaska. ... Shore of Bristol Bay near Naknek. ... Cold Bay is a city located in Aleutians East Borough, Alaska. ... King Cove is a city located in Aleutians East Borough, Alaska. ... Perryville is a census-designated place located in Lake and Peninsula Borough, Alaska. ... Chignik is a city located in Lake and Peninsula Borough, Alaska. ... Chignik Lake is a census-designated place located in Lake and Peninsula Borough, Alaska. ... Chignik Lagoon is a census-designated place located in Lake and Peninsula Borough, Alaska. ... Alaska Natives are indigenous peoples who live in what is now the U.S. state of Alaska. ... Sand Point is a city located in Aleutians East Borough, Alaska. ...


External links

  • Ugashik Area website
  • Lake & Peninsula Borough
  • Lake and Peninsula School District
  • Alaska Peninsula Trek

  Results from FactBites:
 
MSN Encarta - Alaska (2038 words)
Alaska is a rugged, wild, beautiful land of majestic mountains and deep, high-walled fjords; of slow-moving glaciers and still-active volcanoes; of dense, coniferous forests and desolate, treeless islands; of hot springs and icy streams.
Southwestern Alaska is composed of the narrow Alaska Peninsula, the Aleutian Islands, and Kodiak Island.
The Alaskan Interior is bounded by the Alaska Range on the south, the Brooks Range on the north, the border with the Yukon Territory on the east, and the Bering Sea on the west.
Alaska - Wikipedia, the free encyclopedia (3539 words)
It is bordered by Yukon Territory and British Columbia, Canada to the east, the Gulf of Alaska and the Pacific Ocean to the south, the Bering Sea, Bering Strait, and Chukchi Sea to the west, and the Beaufort Sea and the Arctic Ocean to the north.
Alaska Natives, while organized in and around their communities, are often active within the Native corporations which have been given ownership over large tracts of land, and thus need to deliberate resource conservation and development issues.
As of 2004, the population of Alaska was 655,435.
  More results at FactBites »

 
 

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