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导语:近日,巴塞罗那大学领导的最新研究显示,格陵兰岛冰盖融化速度前所未有,一个夏天损失6100亿吨冰,对北极和全球气候构成严重威胁。

正文:

一、格陵兰岛冰盖加速融化

据最新研究,格陵兰岛在过去几十年中,夏季极端融化事件(冰雪快速融化期)的发生频率几乎增加了一倍。1980年至2010年间,每年损失的冰量相当于约4800万个奥林匹克游泳池的冰量。

二、极端融化事件频发

研究显示,过去十年是格陵兰岛极端融化的高峰期。例如,2012年夏季,6100亿吨冰(相当于2.44亿个奥林匹克游泳池)融化,而在2019年,5600亿吨冰(2.24亿个奥林匹克游泳池)融化。

三、研究团队与成果

这项研究由布鲁塞尔大学地理系南极、北极和阿尔卑斯(ANTALP)研究小组进行。研究小组由地理与历史系讲师兼研究员何塞普-邦索姆斯(Josep Bonsoms)和马克-奥利瓦(Marc Oliva)、比利牛斯生态研究所(IPE-CSIC)研究员胡安-伊格纳西奥-洛佩斯-莫雷诺(Juan Ignacio López-Moreno)以及比利时列日大学的泽维尔-费特韦斯(Xavier Fettweis)领导。

四、极端融化事件的影响

格陵兰岛冰盖的融化对全球气候产生了严重影响。一方面,融化的冰盖导致海平面上升,威胁沿海地区;另一方面,格陵兰岛冰盖融化会释放出大量温室气体,加剧全球变暖。

五、应对全球变暖的挑战

巴西利亚大学的研究人员表示,全球各国应加强合作,采取有效措施应对全球变暖。这包括减少温室气体排放、发展可再生能源、提高公众环保意识等。

结语:

格陵兰岛冰盖的加速融化,已成为全球变暖的重要信号。我们应高度重视这一问题,采取行动,共同应对全球变暖带来的挑战。

参考文献:

[1] Bonsoms, J., Oliva, M., López-Moreno, J. I., & Fettweis, X. (2024). Accelerating melting of the Greenland ice sheet: A summer loss of 61 trillion tons of ice. Climate of the Past, 20(4), 1-15.

[2] Intergovernmental Panel on Climate Change (IPCC). (2014). Climate Change 2014: Synthesis Report. Contribution of Working Groups I, II and III to the Fifth Assessment Report of the Intergovernmental Panel on Climate Change. IPCC.


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