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单词 continental shelf
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continental shelf
continental shelf n. see shelf n.1 5b.
extracted from continentaladj.n.
continental shelf
b. continental shelf, the relatively shallow belt of sea-bottom bordering a continental mass, the outer edge of which sinks rapidly to the deep ocean-floor. Also unqualified (frequently attributive).
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the world > the earth > water > sea or ocean > region of sea or ocean > [noun] > continental shelf
continental shelf1892
1892 H. R. Mill Realm of Nature xi. 201 In many cases it is possible that the continental shelf is the end of a low plain submerged by subsidence; in others a low plain may be an upheaved continental shelf.
1905 Times 29 Mar. 10/6 The coast platform and Continental shelf lying off the Norwegian coast.
1913 Jrnl. Geol. (Chicago) 21 525 The mode of formation keeps the face of the shelf within a certain distance from the sea-surface.
1913 Jrnl. Geol. (Chicago) 21 525 The shelf zone is..a biologic horizon of the first importance.
1934 C. R. Longwell et al. Outl. Physical Geol. vii. 125 The shelf beyond the long-quiescent Atlantic coast of North America is 60 to 80 miles wide off the Carolinas.
1964 Oceanogr. & Marine Biol. 2 61 The temperature minimum at 150m may be formed, in part, by mixing of winter Bering Sea water with shelf water.
1978 Friedman & Sanders Princ. Sedimentol. xii. 360/2 (caption) Shelf lagoon between margin of a continental block and a reef tract that is situated at the edge of the continental mass.
extracted from shelfn.1
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