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Bering Sea aerial view, showing Zhemchug Canyon in the center. Zhemchug Canyon (from the Russian жемчуг, "pearl") is an underwater canyon located in the Bering Sea between the Siberian and Alaskan coastlines. It is the deepest submarine canyon in the world with a vertical relief of 8,530 feet (2,600 meters) and a length of 99 miles (160 ...
Bristol Bay is the portion of the Bering Sea between the Alaska Peninsula and Cape Newenham on mainland Southwest Alaska. The Bering Sea ecosystem includes resources within the jurisdiction of the United States and Russia, as well as international waters in the middle of the sea (known as the "Donut Hole" [8]). The interaction between currents ...
The Bering Canyon is the longest of the Bering Sea submarine canyons; it extends about 400 km across the Bering shelf and slope. It is confined at its eastern edge by the Aleutian Islands . The width of the canyon at the shelf break is about 65 km, only about two-thirds that of the Zhemchug Canyon and Navarin Canyons , but because of its great ...
A submarine canyon is a steep-sided valley cut into the seabed of the continental slope, sometimes extending well onto the continental shelf, having nearly vertical walls, and occasionally having canyon wall heights of up to 5 km (3 mi), from canyon floor to canyon rim, as with the Great Bahama Canyon. [1] Just as above-sea-level canyons serve ...
This former subduction zone is now known as the Beringian Margin, which currently accommodates sixteen submarine canyons, including Zhemchug Canyon, recognized as the world's largest. [1] The deep-water part of the Bering Sea is separated into the Commander Basin and Bowers basins by the submarine Shirshov Ridge and Bowers Ridge.
Warmer, ice-free conditions in the southeast Bering Sea are roughly 200 times more likely now than before humans began burning planet-warming fossil fuels. Scientists have more evidence to explain ...
The Navarin Canyon is the third-largest to cut through the Beringian margin. It is the second-largest in area. Though these canyons were not directly formed by rivers, it is postulated that when the sea level was low during the Ice Ages, rivers such as the Yukon and the Kuskokwim may have shaped in part the heads of these canyons. At the shelf ...
To compare, Mt. St. Helens' eruption in 1980 was a level 4. Known as a super eruption for its magnitude, the event emptied out enough volcanic material to produce the 30-by-40-mile-wide caldera.