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地球科学进展  2000, Vol. 15 Issue (5): 586-591    DOI: 10.11867/j.issn.1001-8166.2000.05.0586
全球变化研究     
国际南极冰盖与海平面变化研究述评
温家洪
中国极地研究所,上海 200129
INTERNATIONAL STUDY ON ANTARCTIC ICE SHEET AND SEA LEVEL CHANGE∶A REVIEW
WEN Jia-hong
Polar Research Institute of China,Shanghai 200129,China
 全文: PDF(337 KB)  
摘要:

海平面上升是全球变暖的主要后果之一。尽管有少数冰川学家认为,气候变暖并不能确保雪积累量的显著增加,同时可能出现冰流的突然变化,因此南极冰盖在未来海平面变化中的作用存在很大的不确定性。但近几十年来南极半岛气温的急剧上升,已使大量的冰架崩解。冰架崩解并不对海平面产生真正的影响,但反映出南极洲气候与冰川存在急剧变化的可能。

关键词: 气候变暖海平面上升南极冰盖    
Abstract:

Sea level rise is one of the major results induced by global warming. In the future century time-scale, global warming caused by greenhouse gases will continue, and sea level will keep rising. With respect to Antarctic ice sheet contribution to future sea level rise, many glaciologists suggest that, climate warming will brings more snowfall to Antarctica, and Antarctic ice sheet dynamic response to climate change is much more slow . Hence Antarctic Ice Sheet will mitigate sea level rise. However, some glaciologists have different opinions. They suggest that warming is not guaranted to increase snow accumulation greatly, and sudden changes in ice flow are to be expected from at least some ice sheets. These suggest great uncertainty regarding the role of Antarctica in future sea level change. Rapid regional atmospheric
warming in Antarctic Peninsula has resulted in collapsing many ice shelves over the past several decades.This implies that there is the possibility of climate and glacial dramatic changes in Antarctica nevertheless their loss has had no real effect on sea level. Antarctic mass balance and sea level is of great concern in
Antarctic and global change research.

Key words: Climate warming    Sea level rise    Antarctic ice sheet.
收稿日期: 1999-10-25 出版日期: 2000-10-01
:  P941.6  
基金资助:

“九五”国家重点科技攻关计划“南极地区对全球变化的响应与反馈作用研究”(98-927-01-05)、国家自然科学基金项目“南极伊利莎白公主地区200年气候环境冰雪记录研究”(编号:49771022)和国家海洋局青年海洋科学基金项目“南极中山站至内陆冰盖物质平衡研究”;“南极中山站至内陆冰盖浅表层雪中微粒分析及其环境意义”(编号:98603、97605)联合资助。

通讯作者: 温家洪(1966-),男,江西省兴国县人,副研究员,主要从事极地冰川学与全球变化研究。    
作者简介: 温家洪(1966-),男,江西省兴国县人,副研究员,主要从事极地冰川学与全球变化研究。
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引用本文:

温家洪. 国际南极冰盖与海平面变化研究述评[J]. 地球科学进展, 2000, 15(5): 586-591.

WEN Jia-hong. INTERNATIONAL STUDY ON ANTARCTIC ICE SHEET AND SEA LEVEL CHANGE∶A REVIEW. Advances in Earth Science, 2000, 15(5): 586-591.

链接本文:

http://www.adearth.ac.cn/CN/10.11867/j.issn.1001-8166.2000.05.0586        http://www.adearth.ac.cn/CN/Y2000/V15/I5/586

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