单词 | advection fog |
释义 | > as lemmasadvection fog advection fog n. Meteorology fog formed when warm, moist air passes over a colder surface of land or ocean, causing the air to be cooled to its dew point and allowing water vapour to condense. ΚΠ 1918 W. J. Humphreys in Jrnl. Franklin Inst. 185 612 According to the conditions under which they are formed, fogs may be divided into two general classes—radiation fogs and advection fogs. 1973 Pop. Sci. Feb. 78 Advection fogs are common at sea when warm moist air comes in contact with cold ocean currents. 2006 G. Pretor-Pinney Cloudspotter's Guide iii. 84 ‘Steam fog’ appears when cold air flows over warm water (the opposite of advection fog). < as lemmas |
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