气候变化领域集成服务门户(CCPortal): Detection and Assessment of a Large and Potentially Tsunamigenic Periglacial Landslide in Barry Arm; Alaska

CCPortal

DOI	10.1029/2020GL089800
	Detection and Assessment of a Large and Potentially Tsunamigenic Periglacial Landslide in Barry Arm; Alaska
	Dai C.; Higman B.; Lynett P.J.; Jacquemart M.; Howat I.M.; Liljedahl A.K.; Dufresne A.; Freymueller J.T.; Geertsema M.; Ward Jones M.; Haeussler P.J.
发表日期	2020
ISSN	0094-8276
卷号	47 期号:22
英文摘要	The retreat of glaciers in response to global warming has the potential to trigger landslides in glaciated regions around the globe. Landslides that enter fjords or lakes can cause tsunamis, which endanger people and infrastructure far from the landslide itself. Here we document the ongoing movement of an unstable slope (total volume of 455 × 106 m3) in Barry Arm, a fjord in Prince William Sound, Alaska. The slope moved rapidly between 2010 and 2017, yielding a horizontal displacement of 120 m, which is highly correlated with the rapid retreat and thinning of Barry Glacier. Should the entire unstable slope collapse at once, preliminary tsunami modeling suggests a maximum runup of 300 m near the landslide, which may have devastating impacts on local communities. Our findings highlight the need for interdisciplinary studies of recently deglaciated fjords to refine our understanding of the impact of climate change on landslides and tsunamis. ©2020. American Geophysical Union. All Rights Reserved.
英文关键词	Global warming; Tsunamis; Highly-correlated; Horizontal displacements; Inter-disciplinary studies; Local community; Maximum run-up; Prince William Sound , Alaska; Slope collapse; Tsunami models; Landslides; collapse; fjord; glacier retreat; infrastructure planning; landslide; periglacial environment; snow avalanche; tsunami event; Alaska; Prince William Sound; United States
语种	英语
来源期刊	Geophysical Research Letters
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/169392
作者单位	Byrd Polar and Climate Research Center, The Ohio State University, Columbus, OH, United States; Ground Truth Trekking, Seldovia, AK, United States; Department of Civil and Environmental Engineering, University of Southern California, Los Angeles, CA, United States; Department of Geological Sciences and Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado Boulder, Boulder, CO, United States; The Woods Hole Research Center, Falmouth, MA, United States; Engineering Geology and Hydrogeology, RWTH-Aachen University, Aachen, Germany; Department of Earth and Environmental Sciences, Michigan State University, East Lansing, MI, United States; British Columbia Ministry of Forests, Lands, Natural Resource Operations, and Rural Development, Prince George, BC, Canada; U.S. Geological Survey, Alaska Science Center, Anchorage, AK, United States
推荐引用方式 GB/T 7714	Dai C.,Higman B.,Lynett P.J.,et al. Detection and Assessment of a Large and Potentially Tsunamigenic Periglacial Landslide in Barry Arm; Alaska[J],2020,47(22).
APA	Dai C..,Higman B..,Lynett P.J..,Jacquemart M..,Howat I.M..,...&Haeussler P.J..(2020).Detection and Assessment of a Large and Potentially Tsunamigenic Periglacial Landslide in Barry Arm; Alaska.Geophysical Research Letters,47(22).
MLA	Dai C.,et al."Detection and Assessment of a Large and Potentially Tsunamigenic Periglacial Landslide in Barry Arm; Alaska".Geophysical Research Letters 47.22(2020).