Beaufort Sea


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Related to Beaufort Sea: Beaufort scale, Baffin Bay, Chukchi Sea, Davis Strait, Labrador Sea, Northwest Passage

Beaufort Sea

(bō`fərt), part of the Arctic Ocean, N of Alaska and Canada, between Point Barrow, Alaska, and the Canadian Arctic Archipelago. The Mackenzie River flows into the sea, which is always covered with pack ice. It was first explored by the Canadian Vilhjalmur StefanssonStefansson, Vilhjalmur
, 1879–1962, Arctic explorer, b. Canada, of Icelandic parents, educated at the Univ. of North Dakota, the State Univ. of Iowa, and Harvard. He led several expeditions of exploration and of ethnological and archaeological investigation in the Arctic.
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 in 1914.

Beaufort Sea

 

a sea bordering the Arctic Ocean on the shores of North America between Point Barrow and the shores of the Canadian Arctic Archipelago. Area, 476,000 sq km. Maximum depth, 4,683 m; average depth, 1,004 m. For the most part the Beaufort Sea covers the continental shelf. The currents form a cyclone-like vortex. In August on the southern periphery of this vortex motion, water that is heated to a temperature of 4° C and has a salinity of about 28 parts per thousand is carried eastward; on the northern periphery, arctic water with a temperature of 1.5° C and salinity of about 32 parts per thousand is carried westward. The Beaufort Sea is covered all year by ice; the ice edge retreats to a distance of 50–100 km from the shore in August. The Mackenzie River empties into the Beaufort Sea. The sea was named for the English admiral F. Beaufort.

Beaufort Sea

part of the Arctic Ocean off the N coast of North America
References in periodicals archive ?
Stantec has been selected by an interagency scientific review panel to lead a long-term scientific study of the Arctic marine ecosystem along the Beaufort Sea shelf from Barrow, Alaska to the Mackenzie River delta in Canadian waters.
The fact that Shell is now positioning all "out-of-state" equipment to the North, speaks volumes of the focus toward opening up the very rich Arctic, which includes the Beaufort Sea.
Because polar bears have an average population density of only one bear for every 100 square miles of ice in the Beaufort Sea, the International Union for Conservation of Nature and Natural Resources classifies them as "vulnerable.
The Beaufort Sea is considered by government geologists to have moderate to good prospects for major discoveries, while in the Chukchi Sea the prospects for large finds are considered much better.
This array is focused more broadly than the DASARs in the Beaufort Sea to detect and collect distribution and area usage data on multiple species including bowhead whales, beluga whales, Pacific walrus and bearded seals.
Most of the information on bowhead feeding habits is based on their migration route: It has been assumed that the bowheads do most of their feeding in the Beaufort Sea and then live on their fat reserves as they migrate west and south through the Chukchi Sea and into the Bering Sea, where they spend the winter.
Point Thomson is south of where Shell is exploring in the Beaufort Sea.
The five sub-provinces referred to are ANWR, the Central Arctic (area between the Colville and Canning Rivers), NPRA, the Beaufort Sea OCS and the Chukchi Sea OCS.
745% working interest in the Beaufort Sea Area known as the Itiyok 1-27 Well, which was drilled in 1983.
One local concern included the fall whale hunt, so we volunteered to stop our operations in the Beaufort Sea while the hunt takes place," says Smith.
Royal Dutch Shell announced the commencement of preliminary drilling in the Beaufort Sea off Alaska's northeastern shores.

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