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August 2, 2008 | From Times Staff and Wire Reports
Giant sheets of ice totaling almost 8 square miles broke off an ice shelf in the Canadian Arctic last week, and more could follow this year, scientists said Tuesday. The ice broke away from the shelf on small Ward Hunt Island, just off giant Ellesmere Island in one of the northernmost parts of Canada. It was the largest fracture of its kind since the nearby Ayles ice shelf, which measured 25 square miles, broke away in 2005.
April 17, 1997 | From Times staff and wire reports
Spring begins eight days earlier in the Arctic than it did a decade ago, according to satellite measurements of vegetation coverage. The measurements suggest that plant cover appears earlier in the year, grows lusher and sticks around longer in northern climes than it used to. The finding, reported in the April 17 Nature, confirms a phenomenon first reported last year and may be an indication of global warming.
June 4, 2001
Federal researchers have discovered that shrubs in the Alaskan Arctic are growing larger and spreading across previously barren territory in the tundra. The findings, reported in Thursday's Nature, add to the scientific consensus that the region is gradually getting warmer. The team combed through archives of aerial photos, comparing new images to those of the same locations taken 50 years ago.
The thinning ozone layer over the Arctic may be headed for even more dramatic losses because of global warming, according to research that will be presented Wednesday at the American Geophysical Union meeting in Washington, D.C. Currently, ozone depletion is much more severe over the Antarctic, where there is a hole in the ozone layer.
September 16, 2006 | From Times Wire Reports
The Arctic's perennial sea ice lost an area the size of Texas last year, in a change that may have an effect on the environment and marine transport, NASA said. About 288,000 square miles of perennial ice, which normally doesn't melt during the summer, was lost from 2004 to 2005, scientists found using data from NASA's QuickScat satellite. Perennial sea ice can be 10 or more feet thick, according to NASA.
August 21, 2009 | Times Staff and Wire Reports
In an attempt to head off a major commercial fishing march into the Arctic, the Obama administration declared a moratorium on expanded fishing in the still-uncharted waters of the far north. U.S. Commerce Secretary Gary F. Locke banned the expansion of most commercial fishing beyond the Alaskan coast until new scientific studies can determine what fish stocks exist and how crucial they are to maintaining a fragile Arctic ecosystem already under stress. The order, recommended by the North Pacific Fisheries Management Council in February, restricts future commercial fishing for finfish and shellfish in nearly 200,000 square miles of the Beaufort and Chukchi seas.
September 10, 1990 | From Times staff and wire reports
Scientists who have been analyzing data from a series of 14 flights over the North Pole by instrument-laden aircraft have concluded what many had feared: that the ozone layer over the Arctic is thinning, although not nearly as severely as over Antarctica. The scientists reported in last week's issue of Nature that ozone depletion ranged from 12% to 35% within the north polar region, and they suggested that man's release of chlorofluorocarbons has caused the loss.
December 11, 1988 | From Times Wire Services
More than 3,000 troops, the northernmost U.S. combat force, braved the Arctic cold to participate in a mock assault on a simulated Soviet war position that demonstrated many of the pitfalls of fighting in freezing weather. Three units of the 6th Light Infantry Division from nearby Ft. Greely--1,200 combat infantrymen and 1,900 support troops--took part in the maneuvers about 100 miles southeast of Fairbanks and one hour by plane from the Soviet Union.
January 8, 1995 | From Reuters
Jubilant residents of Canada's Arctic set off fireworks, danced and ate caribou in celebration of their first fleeting glimpse of the sun last week after more than a month of frigid darkness. The sun peeked above the horizon for just a few minutes Friday at Inuvik, but it was reason enough for a party in this rugged outpost of about 3,000 people at the northern extreme of North America. "After the period of darkness, people are happy and feeling good to know the sun is back.
December 1, 1998 | From Associated Press
A helicopter rescue team today reached a three-man television crew that had been stranded on a remote Arctic island, rescuers said. The helicopter, sent by an international medical emergency company, landed on frozen Wrangel Island, company spokesman Mark Crawford said. "They're in fair spirits," Crawford said. "They're surviving, of course, but they were down to their last three days of food." The crew arrived on Wrangel Island on Sept. 2 to make a documentary on polar bears.
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