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Alaska North Slope
From Wikipedia, the free encyclopedia
The Alaska North Slope is the region of the U.S. state of Alaska located on the northern slope of the Brooks Range along the coast of the Arctic Ocean. The region contains the National Petroleum Reserve–Alaska, with the bulk of Alaska's known petroleum until the Prudhoe Bay field was discovered in 1968, as well as the Arctic National Wildlife Refuge, which itself has been the subject of controversy surrounding the possibility of petroleum drilling within its boundaries. The petroleum extracted from the region is transferred south by means of the Trans-Alaska Pipeline System to Valdez on the Pacific Ocean.
Within the North Slope, only a surface "active layer" of the tundra thaws each season; most of the soil is permanently frozen year-round. On top of this permafrost, water flows to sea via shallow, braided streams or settles into pools and ponds. Along the bottom of the image the rugged terrain of the Brooks Range Mountains is snow-covered in places (blue areas) and exposed (pink areas) in others.
Much of the region is located in the North Slope Borough.
- North Slope Science Initiative
- North Slope of Alaska. NASA Earth Observatory newsroom. Retrieved on April 28, 2006.
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State of Alaska Juneau (capital) |
|---|---|
| Regions |
Aleutian Islands | Arctic Alaska | Bush Alaska | Interior | Kenai Peninsula | Mat‑Su Valley | North Slope | Panhandle | Seward Peninsula | Southcentral | Southwest | Tanana Valley | Yukon‑Kuskokwim Delta |
| Largest cities |
Anchorage | Barrow | Bethel | Fairbanks | Homer | Juneau | Kenai | Ketchikan | Kodiak | Kotzebue | Nome | Palmer | Petersburg | Seward | Sitka | Unalaska | Valdez | Wasilla |
| Boroughs |
Aleutians East | Anchorage | Bristol Bay | Denali | Fairbanks North Star | Haines | Juneau | Kenai Peninsula | Ketchikan Gateway | Kodiak Island | Lake and Peninsula | Matanuska‑Susitna | North Slope | Northwest Arctic | Sitka | Yakutat |
| Census areas |
Aleutians West | Bethel | Dillingham | Nome | Prince of Wales‑Outer Ketchikan | Skagway‑Hoonah‑Angoon | Southeast Fairbanks | Valdez‑Cordova | Wade Hampton | Wrangell‑Petersburg | Yukon‑Koyukuk | (see also) Unorganized Borough |