下降风
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下降风(Katabatic wind,Katabatic 源自希腊语 katabatikos,意思是下降),又可称下坡风,是一种在谷地形成的局部性沉降气流。夜间山脊的地表空气比谷底空气冷却得更快。因此,较冷和密度较大的空气从高处流向谷底,下坡风也从山区流向邻近的低地。
![](http://images.weserv.nl/?url=//upload.wikimedia.org/wikipedia/commons/thumb/7/76/Katabatic-wind_hg.png/220px-Katabatic-wind_hg.png)
![](http://images.weserv.nl/?url=//upload.wikimedia.org/wikipedia/commons/thumb/7/71/Sea_ice_by_fruchtzwerg%27s_world.jpg/220px-Sea_ice_by_fruchtzwerg%27s_world.jpg)
参见
延伸阅读
- Giles, Bill. Weather A-Z - Katabatic Winds By Bill Giles OBE(页面存档备份,存于互联网档案馆), BBC, Retrieved 2008-10-14
- McKnight, TL & Hess, Darrel (2000). Katabatic Winds. In Physical Geography: A Landscape Appreciation, pp. 131–2. Upper Saddle River, NJ: Prentice Hall. ISBN 0-13-020263-0
外部链接
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