气候变化领域集成服务门户(CCPortal): Projections of Extreme Ocean Waves in the Arctic and Potential Implications for Coastal Inundation and Erosion

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DOI	10.1029/2019JC015745
	Projections of Extreme Ocean Waves in the Arctic and Potential Implications for Coastal Inundation and Erosion
	Casas-Prat M.; Wang X.L.
发表日期	2020
ISSN	21699275
卷号	125 期号:8
英文摘要	The Arctic Ocean wave climate is undergoing a dramatic change due to the sea ice retreat. This study presents simulations of the Arctic regional wave climate corresponding to the surface winds and sea ice concentrations as simulated by five CMIP5 (Coupled Model Intercomparison Project Phase 5) climate models for the historical (1975–2005) and RCP8.5 scenario future (2081–2100) periods. The annual maximum significant wave height is projected to increase up to 6 m offshore and up to two to three times greater than the corresponding 1979–2005 value along some coastlines, as waves become more exposed to the fall storms there. The connection between the Atlantic Ocean and the Arctic wave climates is projected to strengthen due to increase of swell influence. Changes in the wave direction also seem to indicate a weakening of the Beaufort High illustrated by a counterclockwise rotation of the mean wave direction for extreme conditions in the Western Arctic. The projected changes in wave conditions lead to a general increase of the wave-driven erosion and inundation potential along the Arctic coastlines. Potentially, hazardous extreme wave events are projected to become significantly more frequent and more intense. For example, in the Beaufort coastlines a once-in-20-year event under the historical (1979–2005) climate is projected to occur, on average, once every 2–5 years during 2081–2100. This is a pressing issue, as it affects many Arctic coastal communities, as well as existing and emerging Arctic infrastructure and activities, with some of them having already suffered severe wave-induced damage in the past years. ©2020 Her Majesty the Queen in Right of Canada. Reproduced with the permission of the Minister of Environment and Climate Change Canada.
英文关键词	Arctic; climate change; coastal impacts; extreme ocean waves
语种	英语
来源期刊	Journal of Geophysical Research: Oceans
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/186765
作者单位	Climate Research Division, Science and Technology Directorate, Environment and Climate Change Canada, Toronto, ON, Canada
推荐引用方式 GB/T 7714	Casas-Prat M.,Wang X.L.. Projections of Extreme Ocean Waves in the Arctic and Potential Implications for Coastal Inundation and Erosion[J],2020,125(8).
APA	Casas-Prat M.,&Wang X.L..(2020).Projections of Extreme Ocean Waves in the Arctic and Potential Implications for Coastal Inundation and Erosion.Journal of Geophysical Research: Oceans,125(8).
MLA	Casas-Prat M.,et al."Projections of Extreme Ocean Waves in the Arctic and Potential Implications for Coastal Inundation and Erosion".Journal of Geophysical Research: Oceans 125.8(2020).