“海市蜃樓”!嶽陽圍觀群眾驚喜大叫 真相卻是...(圖/視)
文章來源: 華聲在線 於
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視頻中霧氣遮擋的樓盤
未被霧氣遮擋的樓盤
華聲在線1月14日訊(記者 徐典波
徐亞平)今天下午,嶽陽網友通過微信朋友圈和網絡上傳一個嶽陽市南湖新區千畝湖出現“海市蜃樓”的視頻,引起很多網友的關注與瘋轉。記者通過嶽陽市氣象局副局長李東陽確認,“海市蜃樓”現象是假的,網傳視頻中若隱若現的樓宇,其實是輻射霧中的當地某個樓盤的高樓。
嶽陽此次的“海市蜃樓”假象怎麽解釋?李東陽稱,此次是輻射霧造成的現象。輻射霧指由於地表輻射冷卻作用使地麵氣層水汽凝結而形成的霧,並不是指這種霧具有輻射性。輻射霧在冬季、初春和秋末等季節比較常見。主要出現在晴朗、微風、近地麵、水汽比較充沛的夜間或早晨。隨著太陽的升高,地麵溫度上升,輻射霧也會立即蒸發消散。
2016年4月8日,網絡也曾傳出嶽陽市湖濱大道出現10多秒鍾的“海市蜃樓”。“海市蜃樓”會不會真的出現在嶽陽?李東陽介紹,海市蜃樓是光在密度分布不均勻的空氣中傳播時發生全反射而產生的。一般發生在平靜的海麵、大江江麵、湖麵、雪原、沙漠或戈壁等地方,而在城市上空發生海市蜃樓的時候很少,且這種現象隻有在空氣非常透明時才可能發生。
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