| 单词 |
orographical |
| 释义 |
oroˈgraphical, a.
[f. as prec. + -al1.]
a. Relating to or connected with orography.
1802–3tr. Pallas's Trav. (1812) II. 100 In an orographical respect..Tshorguna deserves every attention. 1880Haughton Phys. Geog. v. 205 An Orographical Map of Africa. 1894Nation (N.Y.) 23 Aug. 142/2 An orographical and geological description of the Cordilleras.
b. Meteorol. = orographic a. b.
1909H. R. Mill in Geogr. Teacher V. 75 Placing this established fact of the dependence of the annual rainfall on the height or the configuration of the land side by side with the equally established fact of the complete independence of heavy cyclonic or thunderstorm rains on terrestrial conditions, we are obliged to divide rain into two classes; one greater in intensity but shorter in duration, and, in aggregate, trifling in amount, which we may call meteorological rain (in thunderstorms and cyclones), and the other kind of rain, of less intensity but greater frequency and duration, we may call orographical rain. 1921Geofysiske Publikationer II. iii. 9 The effects of orographical rain are strongly restricted by the tendency of all stable air currents to curve round the mountains horizontally. 1947Q. Jrnl. R. Meteorol. Soc. LXXIII. 16 The orographical rain was well developed over North Wales and the English Lake District.
Hence oroˈgraphically adv., in accordance with, or by, orography; by the action of mountains.
1873Q. Jrnl. Geol. Soc. XXIX. 389 These two lakes..are separated by a prolongation of the parallel ridges of the Schaffberg massif, so that orographically the Wolfganger See lies in a synclinal trough which may be traced along a line of lakeless valleys, and is separated from the head of the Foschelsee by a narrow ridge. 1877Ibid. XXXIII. 143 The part of North Greenland here described can be geologically and orographically divided into three districts. 1902D. G. Hogarth Nearer East 14 Here is a continuous parting of waters, but not, orographically, a continuous mountain range. 1947Q. Jrnl. R. Meteorol. Soc. LXXIII. 13 Warm front rain is intensified orographically, but not so much as warm sector rain. 1971Nature 23 Apr. 504/1 The development of ice fog in relatively still, orographically protected areas. |
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单词 orography 释义 orography, oreography|rgrf, rg-|[f. Gr. ὄ, ὄ- mountain + -graphy. Gr......