格陵蘭冰原上1座冰融湖去年以極快的速度突然乾涸，詭異的現象讓科學家傷透腦筋，不過如今美國有科學家表示，他們已經解開謎團。
路透社報導，美國科學家團隊表示，已經搞懂這個離奇的現象，還能有助於預測全球海平面上升。
根據麻省理工學院伍茲霍爾海洋研究所海洋學聯合計畫（MIT/WHOI）的科學家，冰原裡的垂直孔穴稱為冰河壺穴，能在部分冰河下方匯集融雪，並抬升冰河。這種現象會讓冰湖下方出現裂縫，能在幾天之內排空冰湖。
不過，根據刊登在科學雜誌「自然」（Nature）的研究結果顯示，只有廣布在冰原上較低海拔、溫暖地區的冰河壺穴才會這麼脆弱。
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信貸利率最低的銀行2015 信貸利率最低額度高銀行 信貸利率最低多少
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Sightseers trek across a frozen expanse of Lake Superior, the world's largest freshwater lake, to the sea caves of the Apostle Islands National Lakeshore near Cornucopia, Wisconsin February 15, 2014. ．．． 較多Sightseers trek across a frozen expanse of Lake Superior, the world's largest freshwater lake, to the sea caves of the Apostle Islands National Lakeshore near Cornucopia, Wisconsin February 15, 2014. According to the National Oceanic and Atmospheric Administration (NOAA) Great Lakes Environmental Research Laboratory, about 94% of Lake Superior is covered with ice, enabling thousands of people to visit the islands on foot for the first time since 2009. The Great Lakes, which contain one fifth of the world's surface fresh water, are 88% covered with ice. Picture taken February 15, 2014. REUTERS/Eric Miller (UNITED STATES - Tags: ENVIRONMENT TRAVEL TPX IMAGES OF THE DAY) 較少
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Reuters | 拍攝者 ERIC MILLER / REUTERS
2014年2月17日週一 台北標準時間上午4時03分
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