冰川融化3年前曾釀200米高海嘯 專家警告別輕忽風險 Yahoo奇摩（即時新聞） 2018年9月7日 上午10:40 科學期刊「科學報告」（Scientific Reports）6日公布一項研究顯示，隨全球暖化導致冰川以前所未有的速度消融，冰層銳減將使底下岩石崩塌，導致海嘯變大的風險增加。 丁道爾冰川（Tyndall Glacier）2015年融化，造成大規模落石，引發一道近200公尺的大浪席捲阿拉斯加峽灣，成為有史以來最大的海嘯之一。但因沒有造成傷亡，幾乎未被注意。 華盛頓塔科馬大學（University of Washington Tacoma）地科助理教授許卡（Dan Shugar）博士說：「世界各地的冰川變稀薄後，正大幅改變他們的樣貌，在塔安峽灣（Taan Fjord）的結果是大規模海嘯。」 他說：「2015年10月因山崩引發的海嘯發生在一條20世紀下葉急劇萎縮的冰川上。」 那次山崩產生最大垂直距離193公尺的海嘯；主因冰川支撐陡坡抓地力並削減坡度，冰層融化時，下方石床暴露在外而不穩定，增加落石和山崩的可能性。 許卡表示：「我們需要好好了解這些陡岩峭壁在氣候變化下帶來的風險。」 ★本文轉載於網路文章★如有侵權,敬請來信告知,立即刪除,謝謝！ 韓國美女直播間 ★ 免費成人視頻 ★ 免費成人影片 ★ 床友交友網 ★ 同城免費交友網 ★ 免費交友網站 ★ 同城異性視頻交友 ★ 同城異性交友網 ★ 同城寂寞交友網 ★ 床友直播福利 ★ 紫色蜜桃網 ★ 三色網免費裸聊 ★ 上海龍鳳 ★ 7聊視頻表演聊天室 ★ 視頻聊天室 ★ 日本美女禁播MV ★ 巨乳美女 ★ 激情視頻聊天 ★ live173視訊影音live秀 ★ 玩美女人視訊 ★ 日本色情網站 ★ 情色貼圖 ★ 成人貼圖站 ★ 成人情色貼圖 ★ 成人貼圖 ★ 以上訊息之接收人 僅限於18歲以上之成人 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