| 释义 |
‖ föhn|føːn|
Also fön.
[Ger.; according to Grimm a. Rumansch favugn:—L. Favōnius.]
1. A warm dry south wind which blows down the valleys on the north side of the Alps.
1861A. Catlow Sketching Rambles I. ii. 57 The most violent tempests are raised by the Föhn, or south wind. 1865Page Geol. Terms, Föhn, the name given in Switzerland to the hot southerly winds of summer (the sirocco). 1883Ouida Wanda I. 77 The fohn was blowing fiercely all the time. 1883Guardian 14 Mar. 392 Builders..had to guard against the föhn and other Swiss winds.
2. Also foehn. A warm dry katabatic wind developing on the lee side of a mountain range in response to air moving across the range. Also föhn wind.
1889W. Ferrel Pop. Treat. Winds vi. 333 Temporary foehns are produced whenever there is a cyclone so situated as to draw a current of air over a high mountain range. 1910Encycl. Brit. VI. 523/2 Greenland föhn winds..blow down warm and dry, raising the temperature even 30° or 40° above the winter mean, and melting the snow. 1951F. Defant in T. F. Malone Compend. Meteorol. 667/1 In North America the foehn, known as the chinook, has a climatic influence on a very wide belt east of the Rocky Mountains. 1957J. K. Charlesworth Quaternary Era II. xxxi. 678 Foehn winds, varying in strength, duration and range as in modern Greenland..probably blew throughout the year. |