翻訳と辞書 Words near each other ・ Polar desert ・ Polar diagram ・ Polar distance ・ Polar distance (astronomy) ・ Polar drift ・ Polar easterlies ・ Polar ecology ・ Polar effect ・ Polar Electro ・ Polar Epsilon ・ Polar exploration ・ Polar Falcon ・ Polar filament ・ Polar fleece ・ Polar forests of the Cretaceous ・ Polar front ・ Polar Geography ・ Polar Golfer ・ Polar high ・ Polar homology ・ Polar hypersurface ・ Polar Ice (vodka) ・ Polar ice cap ・ Polar ice pack ・ Polar ice packs ・ POLAR III ・ Polar Libraries Colloquy ・ Polar Line ・ Polar low ・ Polar Medal Dictionary Lists mini英和辞書 mini和英辞書 Webster 1913 Latin-English FOLDOC Wikipedia English ウィキペディア

翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Polar front ： ウィキペディア英語版 Polar front In meteorology, the polar front is the boundary between the polar cell and the Ferrel cell in each hemisphere. At this boundary a sharp gradient in temperature occurs between these two air masses, each at very different temperatures. The polar front arises as a result of cold polar air meeting warm tropical air. It is a stationary front as the air masses are not moving against each other. Off the coast of eastern North America, especially in winter, there is a sharp temperature gradient between the snow-covered land and the warm offshore currents. The polar front theory says that mid-latitude cyclones form on boundaries between warm and cold air. In winter, the polar front shifts towards the Equator, whereas high pressure systems dominate more in the summer. == External links == * (Graphic: Polar front - precipitation produced in zones of uplift ) * (Polar Front Theory of Midlatitude Cyclone Development ) 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Polar front」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.