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DOI: 10.1002/2014GL062534
论文题名:
Coastal cliff ground motions and response to extreme storm waves
作者: Earlie C.S.; Young A.P.; Masselink G.; Russell P.E.
刊名: Geophysical Research Letters
ISSN: 0094-8978
EISSN: 1944-8709
出版年: 2015
卷: 42, 期:3
起始页码: 847
结束页码: 854
语种: 英语
英文关键词: cliff-top displacements ; cliff-top wave overtopping ; coastal erosion ; extreme waves ; microseismic ground motion ; terrestrial laser scanning
Scopus关键词: Erosion ; Landforms ; Laser applications ; Offshore structures ; Storms ; Cliff-top displacements ; Coastal erosion ; Extreme waves ; Ground motions ; Terrestrial laser scanning ; Wave overtoppings ; Water waves ; cliff ; coastal erosion ; displacement ; ground motion ; storm surge ; vertical movement ; volume ; wave height
英文摘要: Coastal cliff erosion from storm waves is observed worldwide, but the processes are notoriously difficult to measure during extreme storm wave conditions when most erosion normally occurs, limiting our understanding of cliff processes. Over January-February 2014, during the largest Atlantic storms in at least 60years with deepwater significant wave heights of 6-8m, cliff-top ground motions showed vertical ground displacements in excess of 50-100μm; an order of magnitude larger than observations made previously. Repeat terrestrial laser scanner surveys over a 2week period encompassing the extreme storms gave a cliff face volume loss of 2 orders of magnitude larger than the long-term erosion rate. The results imply that erosion of coastal cliffs exposed to extreme storm waves is highly episodic and that long-term rates of cliff erosion will depend on the frequency and severity of extreme storm wave impacts. © 2015 The Authors.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84925120376&doi=10.1002%2f2014GL062534&partnerID=40&md5=6fe465d94c59cba6f37aa326bf296578
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/8594
Appears in Collections:科学计划与规划
气候变化与战略

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作者单位: School of Marine Science and Engineering, Plymouth University, Plymouth, United Kingdom

Recommended Citation:
Earlie C.S.,Young A.P.,Masselink G.,et al. Coastal cliff ground motions and response to extreme storm waves[J]. Geophysical Research Letters,2015-01-01,42(3).
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