DOI: 10.5194/tc-11-2149-2017
Scopus记录号: 2-s2.0-85029163441
论文题名: Exceptional retreat of Novaya Zemlya's marine-terminating outlet glaciers between 2000 and 2013
作者: Rachel Carr J ; , Bell H ; , Killick R ; , Holt T
刊名: Cryosphere
ISSN: 19940416
出版年: 2017
卷: 11, 期: 5 起始页码: 2149
结束页码: 2174
语种: 英语
英文关键词: Atlantic Multidecadal Oscillation
; glacier
; glacier dynamics
; glacier flow
; glacier retreat
; ice
; ice cover
; North Atlantic Oscillation
; sea ice
; sea level change
; temporal analysis
; Arkhangelsk [Russian Federation]
; Novaya Zemlya
; Russian Federation
英文摘要: Novaya Zemlya (NVZ) has experienced rapid ice loss and accelerated marine-terminating glacier retreat during the past 2 decades. However, it is unknown whether this retreat is exceptional longer term and/or whether it has persisted since 2010. Investigating this is vital, as dynamic thinning may contribute substantially to ice loss from NVZ, but is not currently included in sea level rise predictions. Here, we use remotely sensed data to assess controls on NVZ glacier retreat between 1973/76 and 2015. Glaciers that terminate into lakes or the ocean receded 3.5 times faster than those that terminate on land. Between 2000 and 2013, retreat rates were significantly higher on marine-terminating outlet glaciers than during the previous 27 years, and we observe widespread slowdown in retreat, and even advance, between 2013 and 2015. There were some common patterns in the timing of glacier retreat, but the magnitude varied between individual glaciers. Rapid retreat between 2000 and 2013 corresponds to a period of significantly warmer air temperatures and reduced sea ice concentrations, and to changes in the North Atlantic Oscillation (NAO) and Atlantic Multidecadal Oscillation (AMO). We need to assess the impact of this accelerated retreat on dynamic ice losses from NVZ to accurately quantify its future sea level rise contribution. ©Author(s)2017. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/75504
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: School of Geography, Politics and Sociology, Newcastle University, Newcastle-upon-Tyne, United Kingdom; Department of Geography, Durham University, Durham, United Kingdom; Department of Mathematics and Statistics, Lancaster University, Lancaster, United Kingdom; Centre for Glaciology, Department of Geography and Earth Sciences, Aberystwyth University, Aberystwyth, United Kingdom
Recommended Citation:
Rachel Carr J,, Bell H,, Killick R,et al. Exceptional retreat of Novaya Zemlya's marine-terminating outlet glaciers between 2000 and 2013[J]. Cryosphere,2017-01-01,11(5)