Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1088/1748-9326/aae471 |
A decade of remotely sensed observations highlight complex processes linked to coastal permafrost bluff erosion in the Arctic | |
Jones, Benjamin M.1; Farquharson, Louise M.2; Baughman, Carson A.3; Buzard, Richard M.4; Arp, Christopher D.1; Grosse, Guido5; Bull, Diana L.6; Guenther, Frank5; Nitze, Ingmar5; Urban, Frank7; Kasper, Jeremy L.8; Frederick, Jennifer M.6; Thomas, Matthew9; Jones, Craig10; Mota, Alejandro11; Dallimore, Scott12; Tweedie, Craig13; Maio, Christopher4; Mann, Daniel H.4; Richmond, Bruce14; Gibbs, Ann14; Xiao, Ming15; Sachs, Torsten16; Iwahana, Go17; Kanevskiy, Mikhail8; Romanovsky, Vladimir E.2 | |
2018-11-01 | |
发表期刊 | ENVIRONMENTAL RESEARCH LETTERS |
ISSN | 1748-9326 |
出版年 | 2018 |
卷号 | 13期号:11 |
文章类型 | Article |
语种 | 英语 |
国家 | USA; Germany |
英文摘要 | Eroding permafrost coasts are likely indicators and integrators of changes in the Arctic System as they are susceptible to the combined effects of declining sea ice extent, increases in open water duration, more frequent and impactful storms, sea-level rise, and warming permafrost. However, few observation sites in the Arctic have yet to link decadal-scale erosion rates with changing environmental conditions due to temporal data gaps. This study increases the temporal fidelity of coastal permafrost bluff observations using near-annual high spatial resolution (<1 m) satellite imagery acquired between 2008-2017 for a 9 km segment of coastline at Drew Point, Beaufort Sea coast, Alaska. Our results show that mean annual erosion for the 2007-2016 decade was 17.2 m yr(-1), which is 2.5 times faster than historic rates, indicating that bluff erosion at this site is likely responding to changes in the Arctic System. In spite of a sustained increase in decadal-scale mean annual erosion rates, mean open water season erosion varied from 6.7 m yr(-1) in 2010 to more than 22.0 m yr(-1) in 2007, 2012, and 2016. This variability provided a range of coastal responses through which we explored the different roles of potential environmental drivers. The lack of significant correlations between mean open water season erosion and the environmental variables compiled in this study indicates that we may not be adequately capturing the environmental forcing factors, that the system is conditioned by long-term transient effects or extreme weather events rather than annual variability, or that other not yet considered factors maybe responsible for the increased erosion occurring at Drew Point. Our results highlight an increase in erosion at Drew Point in the 21st century as well as the complexities associated with unraveling the factors responsible for changing coastal permafrost bluffs in the Arctic. |
英文关键词 | arctic coastal erosion ice-rich permafrost remote sensing change detection Arctic system |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000448502400001 |
WOS关键词 | BEAUFORT SEA COAST ; GROUND-ICE ; YUKON-TERRITORY ; HERSCHEL ISLAND ; THERMAL STATE ; CARBON |
WOS类目 | Environmental Sciences ; Meteorology & Atmospheric Sciences |
WOS研究方向 | Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences |
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/14870 |
专题 | 气候变化 |
作者单位 | 1.Univ Alaska Fairbanks, Water & Environm Res Ctr, Fairbanks, AK 99775 USA; 2.Univ Alaska Fairbanks, Inst Geophys, Fairbanks, AK 99775 USA; 3.US Geol Survey, Alaska Sci Ctr, Anchorage, AK USA; 4.Univ Alaska Fairbanks, Dept Geosci, Fairbanks, AK USA; 5.Helmholtz Ctr Polar & Marine Res, Alfred Wegener Inst, Potsdam, Germany; 6.Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA; 7.US Geol Survey, Geosci & Environm Change Sci Ctr, Box 25046, Denver, CO 80225 USA; 8.Univ Alaska Fairbanks, Inst Northern Engn, Fairbanks, AK USA; 9.US Geol Survey, Geol Hazards Sci Ctr, Golden, CO USA; 10.Integral Consulting, Santa Cruz, CA USA; 11.Sandia Natl Labs, Livermore, CA USA; 12.Geol Survey Canada, British Columbia, CA USA; 13.Univ Texas El Paso, El Paso, TX 79968 USA; 14.US Geol Survey, Pacific Coastal & Marine Sci Ctr, Santa Cruz, CA USA; 15.Penn State Univ, Dept Civil & Environm Engn, University Pk, PA 16802 USA; 16.GFZ German Res Ctr Geosci, Potsdam, Germany; 17.Univ Alaska Fairbanks, Int Arctic Res Ctr, Fairbanks, AK USA |
推荐引用方式 GB/T 7714 | Jones, Benjamin M.,Farquharson, Louise M.,Baughman, Carson A.,et al. A decade of remotely sensed observations highlight complex processes linked to coastal permafrost bluff erosion in the Arctic[J]. ENVIRONMENTAL RESEARCH LETTERS,2018,13(11). |
APA | Jones, Benjamin M..,Farquharson, Louise M..,Baughman, Carson A..,Buzard, Richard M..,Arp, Christopher D..,...&Romanovsky, Vladimir E..(2018).A decade of remotely sensed observations highlight complex processes linked to coastal permafrost bluff erosion in the Arctic.ENVIRONMENTAL RESEARCH LETTERS,13(11). |
MLA | Jones, Benjamin M.,et al."A decade of remotely sensed observations highlight complex processes linked to coastal permafrost bluff erosion in the Arctic".ENVIRONMENTAL RESEARCH LETTERS 13.11(2018). |
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