globalchange  > 影响、适应和脆弱性
DOI: 10.5194/tc-8-2135-2014
Scopus记录号: 2-s2.0-84912060536
论文题名:
Detailed ice loss pattern in the northern Antarctic Peninsula: Widespread decline driven by ice front retreats
作者: Scambos T; A; , Berthier E; , Haran T; , Shuman C; A; , Cook A; J; , Ligtenberg S; R; M; , Bohlander J
刊名: Cryosphere
ISSN: 19940416
出版年: 2014
卷: 8, 期:6
起始页码: 2135
结束页码: 2145
语种: 英语
英文关键词: glacier mass balance ; image analysis ; kinematics ; satellite altimetry ; snow accumulation ; stereo image ; wave propagation ; Antarctic Peninsula ; Antarctica ; West Antarctica
英文摘要: The northern Antarctic Peninsula (nAP, < 66° S) is one of the most rapidly changing glaciated regions on earth, yet the spatial patterns of its ice mass loss at the glacier basin scale have to date been poorly documented. We use satellite laser altimetry and satellite stereo-image topography spanning 2001-2010, but primarily 2003-2008, to map ice elevation change and infer mass changes for 33 glacier basins covering the mainland and most large islands in the nAP. Rates of ice volume and ice mass change are 27.7 ± 8.6 km3 a-1 and 24.9±7.8Gta-1, equal to -0.73 ma-1 w.e. for the study area. Mass loss is the highest for eastern glaciers affected by major ice shelf collapses in 1995 and 2002, where twelve glaciers account for 60% of the total imbalance. However, losses at smaller rates occur throughout the nAP, at both high and low elevation, despite increased snow accumulation along the western coast and ridge crest. We interpret the widespread mass loss to be driven by decades of ice front retreats on both sides of the nAP, and extended throughout the ice sheet due to the propagation of kinematic waves triggered at the fronts into the interior. © Author(s) 2014.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/74763
Appears in Collections:影响、适应和脆弱性
气候变化与战略

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作者单位: National Snow and Ice Data Center (NSIDC), University of Colorado at Boulder, Boulder, CO, United States; Laboratoire d'Etudes en Géophysique et Océanographie Spatiales, Centre National de la Recherche Scientifique (LEGOS CNRS), Université de Toulouse, Toulouse, France; University of Maryland, Baltimore County, Joint Center for Earth Technology (UMBC JCET), NASA Goddard Space Flight Center, Greenbelt, MD, United States; Department of Geography, Swansea University, Swansea, United Kingdom; Institute for Marine and Atmospheric Research Utrecht (IMAU), Utrecht, Netherlands

Recommended Citation:
Scambos T,A,, Berthier E,et al. Detailed ice loss pattern in the northern Antarctic Peninsula: Widespread decline driven by ice front retreats[J]. Cryosphere,2014-01-01,8(6)
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