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DOI10.1038/s41558-020-0757-5
Coldest Canadian Arctic communities face greatest reductions in shorefast sea ice
Cooley S.W.; Ryan J.C.; Smith L.C.; Horvat C.; Pearson B.; Dale B.; Lynch A.H.
发表日期2020
ISSN1758-678X
起始页码533
结束页码538
卷号10期号:6
英文摘要Shorefast sea ice comprises only about 12% of global sea-ice cover, yet it has outsized importance for Arctic societies and ecosystems. Relatively little is known, however, about the dominant drivers of its breakup or how it will respond to climate warming. Here, we use 19 years of near-daily satellite imagery to document the timing of shorefast ice breakup in 28 communities in northern Canada and western Greenland that rely on shorefast ice for transportation and traditional subsistence activities. Breakup timing is strongly correlated with springtime air temperature, but the sensitivity of the relationship varies substantially among communities. We combine these observations with future warming scenarios to estimate an annual reduction of 5–44 days in the length of the springtime shorefast ice season by 2100. Paradoxically, the coldest communities are projected to experience the largest reductions in springtime ice season duration. Our results emphasize the local nature of climate change and its varied impacts on Arctic communities. © 2020, The Author(s), under exclusive licence to Springer Nature Limited.
语种英语
scopus关键词air temperature; climate change; climate effect; diurnal variation; global warming; ice breakup; ice cover; ice flow; satellite imagery; sea ice; Arctic; Canada; Canadian Arctic; Greenland; West Greenland
来源期刊Nature Climate Change
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/142226
作者单位Department of Earth, Environmental and Planetary Sciences, Brown University, Providence, RI, United States; Institute at Brown for Environment and Society, Brown University, Providence, RI, United States; College of Earth, Ocean, and Atmospheric Sciences, Oregon State University, Corvallis, OR, United States; Nordland Research Institute, Bodø, Norway
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GB/T 7714
Cooley S.W.,Ryan J.C.,Smith L.C.,et al. Coldest Canadian Arctic communities face greatest reductions in shorefast sea ice[J],2020,10(6).
APA Cooley S.W..,Ryan J.C..,Smith L.C..,Horvat C..,Pearson B..,...&Lynch A.H..(2020).Coldest Canadian Arctic communities face greatest reductions in shorefast sea ice.Nature Climate Change,10(6).
MLA Cooley S.W.,et al."Coldest Canadian Arctic communities face greatest reductions in shorefast sea ice".Nature Climate Change 10.6(2020).
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