GSTDTAP  > 地球科学
DOI10.1038/s41561-019-0460-1
West Antarctic surface melt triggered by atmospheric rivers
Wille, Jonathan D.1; Favier, Vincent1; Dufour, Ambroise1; Gorodetskaya, Irina V.2; Turner, John3; Agosta, Cecile4; Codron, Francis5
2019-11-01
发表期刊NATURE GEOSCIENCE
ISSN1752-0894
EISSN1752-0908
出版年2019
卷号12期号:11页码:911-+
文章类型Article
语种英语
国家France; Portugal; England
英文摘要

Recent major melting events in West Antarctica have raised concerns about a potential hydrofracturing and ice shelf instability. These events often share common forcings of surface melt-like anomalous radiative fluxes, turbulent heat fluxes and fohn winds. Using an atmospheric river detection algorithm developed for Antarctica together with surface melt datasets, we produced a climatology of atmospheric river-related surface melting around Antarctica and show that atmospheric rivers are associated with a large percentage of these surface melt events. Despite their rarity (around 12 events per year in West Antarctica), atmospheric rivers are associated with around 40% of the total summer meltwater generated across the Ross Ice Shelf to nearly 100% in the higher elevation Marie Byrd Land and 40-80% of the total winter meltwater generated on the Wilkins, Bach, George IV and Larsen B and C ice shelves. These events were all related to high-pressure blocking ridges that directed anomalous poleward moisture transport towards the continent. Major melt events in the West Antarctic Ice Sheet only occur about a couple times per decade, but a 1-2 degrees C warming and continued increase in atmospheric river activity could increase the melt frequency with consequences for ice shelf stability.


领域地球科学 ; 气候变化
收录类别SCI-E
WOS记录号WOS:000493905700012
WOS关键词C ICE SHELF ; CLIMATE ; IMPACTS ; EVENT ; MODEL ; OCEAN
WOS类目Geosciences, Multidisciplinary
WOS研究方向Geology
引用统计
文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/223762
专题地球科学
气候变化
作者单位1.UGA, CNRS, Inst Geosci Environm, St Martin Dheres, France;
2.Univ Aveiro, Dept Phys, Ctr Environm & Marine Studies, CESAM, Aveiro, Portugal;
3.British Antarctic Survey, Cambridge, England;
4.Univ Paris Saclay, Lab Sci Climat & Environm, UVSQ, LSCE,IPSL,CEA,CNRS, Gif Sur Yvette, France;
5.Sorbonne Univ, LOCEAN, Paris, France
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GB/T 7714
Wille, Jonathan D.,Favier, Vincent,Dufour, Ambroise,et al. West Antarctic surface melt triggered by atmospheric rivers[J]. NATURE GEOSCIENCE,2019,12(11):911-+.
APA Wille, Jonathan D..,Favier, Vincent.,Dufour, Ambroise.,Gorodetskaya, Irina V..,Turner, John.,...&Codron, Francis.(2019).West Antarctic surface melt triggered by atmospheric rivers.NATURE GEOSCIENCE,12(11),911-+.
MLA Wille, Jonathan D.,et al."West Antarctic surface melt triggered by atmospheric rivers".NATURE GEOSCIENCE 12.11(2019):911-+.
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