气候变化领域集成服务门户(CCPortal): Runups of Unusual Size: Rogueness and Variability of Swash

CCPortal

DOI	10.1029/2019JC015186
	Runups of Unusual Size: Rogueness and Variability of Swash
	García-Medina G.; Özkan-Haller H.T.; Ruggiero P.; Holman R.A.; Li C.
发表日期	2020
ISSN	21699275
卷号	125 期号:2
英文摘要	The occurrence of swash larger than those predicted by the Rayleigh distribution is examined using a phase-resolved numerical model. Multiple realizations of spectral boundary conditions and beach configurations are considered in the analysis. Planar beaches characterized by surf similarity parameters between 0.3 and 0.6 are found to be more likely to produce unusually large swash. Maximum runup is found to correlate with the maximum infragravity (IG) wave height at the location of swash initiation, the landwardmost continuously wet point. The analysis is extended to beaches with bilinear profiles, where the foreshore slope is steeper than the shoaling slope. It is found that the still water level plays a controlling role in the magnitude of large swash. For these beaches it is found that the still water level with respect to the beach toe influences both the IG and shortwave height at swash initiation. Similar to the planar beach case, swash is found to be maximized when the sum of both IG and shortwave height is maximum; this occurs at toe depths 2–3 times the offshore significant wave height. © 2020. American Geophysical Union. All Rights Reserved.
英文关键词	Boussinesq modeling; coastal hazards; extreme runup
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/186968
作者单位	School of Civil and Construction Engineering, Oregon State University, Corvallis, OR, United States; College of Earth, Ocean, and Atmospheric Sciences, Oregon State University, Corvallis, OR, United States
推荐引用方式 GB/T 7714	García-Medina G.,Özkan-Haller H.T.,Ruggiero P.,et al. Runups of Unusual Size: Rogueness and Variability of Swash[J],2020,125(2).
APA	García-Medina G.,Özkan-Haller H.T.,Ruggiero P.,Holman R.A.,&Li C..(2020).Runups of Unusual Size: Rogueness and Variability of Swash.Journal of Geophysical Research: Oceans,125(2).
MLA	García-Medina G.,et al."Runups of Unusual Size: Rogueness and Variability of Swash".Journal of Geophysical Research: Oceans 125.2(2020).