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高空槽

高空槽示意圖

高空槽是指在高空存在的低壓槽,通常比地面的低壓槽為明顯。

形成

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高空槽出現在對流層中層西風帶上的短波槽。一年四季都會出現,一般春季出現較多。通常高空槽的波長是大約1000km,因槽前盛行溫暖潮濕西南氣流,造成雲雨天氣;槽後盛行乾冷西北氣流,天氣晴朗[1]

分類

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高空槽可分為三大類型,因高空槽與溫度槽配合,得出三種不同形式的槽:後傾槽、垂直槽和前傾槽[2]

參考

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  1. ^ 王春泽,乔光建. 2011.10 , 编. 水文知识读本 第2分册. 北京:中国水利水电出版社. : 517. ISBN 7-5084-9086-1 请检查|isbn=值 (帮助). 
  2. ^ 国家气象局. 气象站天气分析和预报. 北京:农业出版社. 1989年5月: 222. ISBN 7-109-00202-0. 
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高空槽
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