globalchange  > 全球变化的国际研究计划
DOI: 10.1016/j.gloplacha.2017.04.008
论文题名:
How much, how fast?: A science review and outlook for research on the instability of Antarctica's Thwaites Glacier in the 21st century
作者: Scambos T.A.; Bell R.E.; Alley R.B.; Anandakrishnan S.; Bromwich D.H.; Brunt K.; Christianson K.; Creyts T.; Das S.B.; DeConto R.; Dutrieux P.; Fricker H.A.; Holland D.; MacGregor J.; Medley B.; Nicolas J.P.; Pollard D.; Siegfried M.R.; Smith A.M.; Steig E.J.; Trusel L.D.; Vaughan D.G.; Yager P.L.
刊名: Global and Planetary Change
ISSN: 0921-8181
出版年: 2017
卷: 153
起始页码: 16
结束页码: 34
语种: 英语
英文关键词: Climate change ; Ice-ocean interaction ; Marine ice sheet instability ; Sea-level rise ; Thwaites Glacier ; West Antarctic Ice Sheet
Scopus关键词: Catchments ; Climate change ; Glaciers ; Sea level ; Global sea levels ; Ice sheet ; Ice-ocean interactions ; National academies ; Oceanic conditions ; Scientific objectives ; Sea level rise ; West antarctic ice sheets ; Ice
英文摘要: Constraining how much and how fast the West Antarctic Ice Sheet (WAIS) will change in the coming decades has recently been identified as the highest priority in Antarctic research (National Academies, 2015). Here we review recent research on WAIS and outline further scientific objectives for the area now identified as the most likely to undergo near-term significant change: Thwaites Glacier and the adjacent Amundsen Sea. Multiple lines of evidence point to an ongoing rapid loss of ice in this region in response to changing atmospheric and oceanic conditions. Models of the ice sheet's dynamic behavior indicate a potential for greatly accelerated ice loss as ocean-driven melting at the Thwaites Glacier grounding zone and nearby areas leads to thinning, faster flow, and retreat. A complete retreat of the Thwaites Glacier basin would raise global sea level by more than three meters by entraining ice from adjacent catchments. This scenario could occur over the next few centuries, and faster ice loss could occur through processes omitted from most ice flow models such as hydrofracture and ice cliff failure, which have been observed in recent rapid ice retreats elsewhere. Increased basal melt at the grounding zone and increased potential for hydrofracture due to enhanced surface melt could initiate a more rapid collapse of Thwaites Glacier within the next few decades. © 2017
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-85018423943&doi=10.1016%2fj.gloplacha.2017.04.008&partnerID=40&md5=56473c622e7b7a0a2f9d45779912a1a2
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/11729
Appears in Collections:全球变化的国际研究计划
气候变化与战略

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Recommended Citation:
Scambos T.A.,Bell R.E.,Alley R.B.,et al. How much, how fast?: A science review and outlook for research on the instability of Antarctica's Thwaites Glacier in the 21st century[J]. Global and Planetary Change,2017-01-01,153.
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