globalchange  > 气候减缓与适应
DOI: 10.1002/2014GL059983
论文题名:
Swell and sea in the emerging Arctic Ocean
作者: Thomson J.; Rogers W.E.
刊名: Geophysical Research Letters
ISSN: 0094-10113
EISSN: 1944-9844
出版年: 2014
卷: 41, 期:9
起始页码: 3136
结束页码: 3140
语种: 英语
英文关键词: Arctic Ocean ; sea-ice ; waves
Scopus关键词: Oceanography ; Sea ice ; Surface waves ; Wave energy conversion ; Waves ; Arctic ocean ; Beaufort sea ; In-situ observations ; Numerical wave modeling ; Ocean surface waves ; Sea ice retreats ; Wave evolution ; Winds blowing ; Water waves ; fetch ; ice breakup ; ice cover ; ice retreat ; numerical model ; satellite imagery ; sea ice ; surface wave ; swell ; wave energy ; wind forcing ; Arctic Ocean ; Beaufort Sea
英文摘要: Ocean surface waves (sea and swell) are generated by winds blowing over a distance (fetch) for a duration of time. In the Arctic Ocean, fetch varies seasonally from essentially zero in winter to hundreds of kilometers in recent summers. Using in situ observations of waves in the central Beaufort Sea, combined with a numerical wave model and satellite sea ice observations, we show that wave energy scales with fetch throughout the seasonal ice cycle. Furthermore, we show that the increased open water of 2012 allowed waves to develop beyond pure wind seas and evolve into swells. The swells remain tied to the available fetch, however, because fetch is a proxy for the basin size in which the wave evolution occurs. Thus, both sea and swell depend on the open water fetch in the Arctic, because the swell is regionally driven. This suggests that further reductions in seasonal ice cover in the future will result in larger waves, which in turn provide a mechanism to break up sea ice and accelerate ice retreat. Key Points Surface waves in the Arctic Ocean increase during periods of sea ice retreat Surface waves in the Arctic Ocean follow a non-dimensional scaling law Surface waves in the Arctic Ocean are now evolving from seas into swells © 2014. The Authors.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84901937160&doi=10.1002%2f2014GL059983&partnerID=40&md5=a3e215ea56707cf1795bdfc40fd3b137
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/7377
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作者单位: Applied Physics Laboratory, University of Washington, Seattle, WA, United States

Recommended Citation:
Thomson J.,Rogers W.E.. Swell and sea in the emerging Arctic Ocean[J]. Geophysical Research Letters,2014-01-01,41(9).
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