单词 | cyclostrophic |
释义 | > as lemmascyclostrophic cyclostrophic adj. Brit. /ˌsʌɪklə(ʊ)ˈstrɒfɪk/ , /ˌsɪklə(ʊ)ˈstrɒfɪk/ , U.S. /ˌsaɪkləˈstrɑfɪk/ , /ˌsɪkləˈstrɑfɪk/ [see strophe n.] Meteorology designating the force acting on a wind as a result of the curvature of its path, and also a (hypothetical) wind in which this force exactly balances that arising from the horizontal pressure gradient.ΘΚΠ the world > the earth > weather and the atmosphere > weather > wind > [adjective] > affected by curvature of earth or by Coriolis force cyclostrophic1916 geostrophic1916 ageostrophic1948 1916 N. Shaw in Nature 4 May 210/1 The motion of air..is persistent because the pressure-gradient is balanced by the centrifugal action of the earth's rotation, which we may call the geostrophic component, and of the curvature of the path over the earth's surface, which we call the cyclostrophic component. 1919 Gloss. Aeronaut. Terms (Royal Aeronaut. Soc.) 31 The portion of the [pressure] gradient which is balanced by the flow on account of the earth's spin is called the geostrophic component, and the remaining portion, which is balanced by the curvature of the air's path, is called the cyclostrophic component. 1959 R. E. Huschke Gloss. Meteorol. 151 The cyclostrophic wind can be an approximation to the real wind in the atmosphere only near the equator..or in cases of very great wind speed and curvature of the path. < as lemmas |
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