The Arctic Ocean Ecosystem - Woods Hole Oceanographic …
Sea Stars & Sea Urchins. Despite the harsh weather and the ice cover, the Arctic Ocean is teeming with life. It has a complex but abundance ecosystem that supports large predators such as walruses, polar bears and whales. Find out about this unusual ecosystem and the plants and animals that live in and on the ice by clicking on the image at left.
Arctic Ocean - Encyclopedia.com
2018年5月18日 · Arctic Ocean Ocean n of the Arctic Circle, between North America and Eurasia. Almost totally landlocked and the Earth 's smallest ocean, it is bordered by Greenland, Canada, Alaska, Russia, and Norway. Connected to the Pacific Ocean by the Bering Strait, and to the Atlantic Ocean by the Davis Strait and Greenland Sea, it includes the Barents ...
Arctic Ocean Circulation - Woods Hole Oceanographic Institution
2009年5月13日 · Arctic Ocean Circulation. (Jack Cook, Woods Hole Oceanographic Institution) This complex circulation system in the Arctic—which impacts the entire food web—is in a delicate balance. In recent years, scientists have documented changes in the Arctic system, including a dramtatic reduction in sea ice cover and a weakening of the Beaufort Gyre ...
Life in the Arctic Ocean - Woods Hole Oceanographic Institution
2004年9月15日 · Life and light springs eternal. Every spring, after the long dark night of Arctic winter, the sun reappears over the horizon. Then, a cumulative sequence of events begins, and life in the Arctic springs into action. With each day longer than the previous one, light begins to penetrate through the thick cover of snow and ice to the undersurface ...
It’s always freezing in the Arctic. Or is it?
2023年8月28日 · The Arctic region, however, is mostly ocean surrounded by land, and the ocean plays a big role in keeping the Arctic relatively warm. “Water can absorb a whole lot more heat than the air can,” says WHOI physical oceanographer Sylvia Cole. That heat prevents the Arctic from reaching the extreme temperatures found in Antarctica.
Is Global Warming Changing the Arctic? – Woods Hole …
2006年1月23日 · Polar expeditions in 2005. Enter Gary Comer, founder of the Lands’ End clothing-catalog company and an avid open-ocean sailor. In 2001, while attempting to navigate the Northwest Passage in his yacht, Comer was stunned by the dearth of sea ice in the Arctic Ocean. Seeking answers, he contacted Woods Hole Oceanographic Institution.
Ocean Trenches - Woods Hole Oceanographic Institution
2019年11月7日 · The deepest trench in the world, the Mariana Trench located near the Mariana Islands, is 1,580 miles long and averages just 43 miles wide. It is home to the Challenger Deep, which, at 10,911 meters (35,797 feet), is the deepest part of the ocean. The Tonga, Kuril-Kamatcha, Philippine, and Kermadec Trenches all contain depths greater than 10,000 ...
Polar Life - Woods Hole Oceanographic Institution
2020年4月13日 · The Arctic Ocean is one of the planet's most remote and formidable large ocean basins. Much of it is permanently covered by shifting sea ice. Half the year it is plunged into total darkness and it is buffeted by bitterly cold winds year-round. Despite this, life thrives in the far north, enduring some of the greatest extremes in light and ...
Twilight Zone - Woods Hole Oceanographic Institution
2023年9月29日 · The ocean twilight zone is a layer of water that stretches around the globe. It lies 200 to 1,000 meters (about 650 to 3,300 feet) below the ocean surface, just beyond the reach of sunlight. Also known as the midwater or mesopelagic, the twilight zone is cold and its light is dim, but with flashes of bioluminescence—light produced by living ...
Deeply Submerged Volcanoes Blow Their Tops
2008年8月14日 · A research team led by Woods Hole Oceanographic Institution (WHOI) has uncovered evidence of explosive volcanic eruptions on the Arctic Ocean seafloor almost 2.5 miles deep. Scientists did not think volcanoes submerged under such intense water pressure were capable of such violent eruptions. Researchers found jagged, glassy fragments of rock ...