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单词 discontinuity layer
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discontinuity layer
discontinuity layer n. Oceanography and Limnology a layer of water between two others in a lake or the sea in which the temperature decreases rapidly with increasing depth; a thermocline separating an epilimnion from a hypolimnion.
ΚΠ
1907 E. M. Wedderburn in Nature 4 July 239/1 From August to November a ‘discontinuity temperature layer’ came into existence, the so-called Sprungschicht of the Austrian and German naturalists. Down to the depth of this discontinuity layer the temperature varied very slowly.
1931 Discovery June 199/2 In general the presence of the ‘discontinuity layer’ tends to prevent the free mixing of the layers [of water in the sea].
1942 P. M. Jenkin in Jrnl. Animal Ecol. 11 252 The term ‘Discontinuity Layer’ is revived to cover the layer of very variable thickness in which there is a sufficient temperature gradient to impede mixing of the epilimnion with the cool hypolimnion below.
2008 Mich. Messenger (Nexis) 1 Sept. In the summertime, the Great Lakes stratify—two distinct bodies of water, lying one over the top of the other, and a discontinuity layer between them where temperature drops rapidly.
extracted from discontinuityn.
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更新时间:2024/12/22 22:41:44