Continental shelf - Wikipedia
网页A continental shelf is a portion of a continent that is submerged under an area of relatively shallow water, known as a shelf sea. Much of these shelves were exposed by drops in sea level during glacial periods. The shelf surrounding an island is known as an insular shelf.
Continental shelf - Wikiwand
网页A continental shelf is a portion of a continent that is submerged under an area of relatively shallow water, known as a shelf sea. Much of these shelves were exposed by drops in sea level during glacial periods. The shelf surrounding an island is known as an insular shelf.
Continental shelf | Geology, Marine Biology & Coastal …
网页continental shelf, a broad, relatively shallow submarine terrace of continental crust forming the edge of a continental landmass. The geology of continental shelves is often similar to that of the adjacent exposed portion of the continent, and most shelves have a gently rolling topography called ridge and swale.
Outer Continental Shelf - Wikipedia
网页The Outer Continental Shelf (OCS) is a legally defined geographic feature of the United States. The OCS is the part of the internationally recognized continental shelf of the United States which does not fall under the jurisdictions of the individual U.S. states.
Convention on the Continental Shelf - Wikipedia
网页The Convention on the Continental Shelf was an international treaty created to codify the rules of international law relating to continental shelves. The treaty, after entering into force 10 June 1964, established the rights of a sovereign state over the continental shelf surrounding it, if there be any.
Continental shelf - Simple English Wikipedia, the free encyclopedia
网页A continental shelf is the part of the continent that is under water. The shelf was part of the land during the ice ages in the glacial periods , but under water in the interglacial periods . We are at present in an interglacial period.
continental shelf - National Geographic Society
网页2023年10月19日 · A continental shelf extends from the coastline of a continent to a drop-off point called the shelf break. From the break, the shelf descends toward the deep ocean floor in what is called the continental slope. Even though they are underwater, continental shelves are part of the continent.
Continental Shelves - MarineBio Conservation Society
网页Continental shelves are an oasis in the ocean for plants and animals due to the abundance of sunlight, shallow waters, and nutrient packed sediment that washes in from rivers, wave action, and in some areas, upwelling.
continental shelf summary | Britannica
网页continental shelf, Broad, relatively shallow submarine platform that forms a border to a continent, typically extending from the coast to depths of 330–660 ft (100–200 m). Continental shelves average about 40 mi (65 km) in width.
Continental slope | Oceanography, Geology & Topography
网页Continental slope, seaward border of the continental shelf. The world’s combined continental slope has a total length of approximately 300,000 km (200,000 miles) and descends at an average angle in excess of 4° from the shelf break at the edge of the continental shelf to the beginning of the ocean
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