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英國倫敦
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From Taipei, 大羅天
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From Elinor.

倫敦的大霧和當地的地理環境和大氣污染有關。英國是大西洋中的一個島國,而倫敦又處於英國東南部的一塊盆地上。盆地的南北兩側是東西走向的山嶺,泰晤士河自西向東穿過市區注入北海,市區離河口只有 88千米 。在西風和北大西洋暖流的影響下,倫敦的氣候溫暖潮濕,屬溫帶海洋性氣候。秋冬季節,當西風把大西洋的水氣吹向陸地時,白天和晚上的溫差比較大,盆地空氣相對穩定,流動不暢,下層空

氣受冷以後,往往會形成漫天大霧,並且循環往復,久不消散。加上倫敦的工業和交通迅速發展,工礦企業和汽車排出的大量煙塵飄浮在空氣中,變成了霧的凝結核,這也是促成大霧的一個原因。

Get the attached file here.

Posted on: 2011/4/24 8:23
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