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Effect of Sea Level Rise on the Wave Overtopping Rate at Berm Breakwater
| 题名： | Effect of Sea Level Rise on the Wave Overtopping Rate at Berm Breakwater |
| 正文语种： | 英文 |
| 作者： | Karthika Pillai1; Charles Lemckert2; Amir Etemad-Shahidi3; Lorenzo Cappietti4; Sigurdur Sigurdarson5 |
| 作者单位： | 1Sessional Academic Staff, School of Engineering and Built Environment, Griffith Univ., Gold Coast, QLD 4222, Australia (corresponding author). 2Professor, School of Design and the Built Environment Faculty of Arts and Design, Univ. of Canberra, Bruce, ACT 2617, Australia; Adjunct Professor, Griffith Centre for Coastal Management, Griffith Univ., Gold Coast, QLD 4222, Australia. 3Senior Lecturer, School of Engineering and Built Environment, Griffith Univ., Gold Coast, QLD 4222, Australia; Adjunct Associate Professor, School of Engineering, Edith Cowan Univ., Perth, WA 6027, Australia; Academic Staff, Griffith Centre for Coastal Management, Griffith Univ., Gold Coast, QLD 4222, Australia. 4Assistant Professor, Dept. of Civil and Environmental Engineering, Univ. of Florence, Via di S. Marta, 3, Florence 50139, Italy. 5Principal, IceBreak Consulting Engineers, Smararima 46, Reykjavik IS-112, Iceland; Senior Coastal and Harbour Engineer, Icelandic Road and Coastal Administration, Reykjav韐 680269-2899, Iceland. |
| 关键词： | Berm breakwater; Wave overtopping; Climate change; Sea level rise; Failure probability; Maintenance |
| 摘要： | This study quantitatively assessed the risk in the overtopping performance of berm breakwaters due to sea level rise (SLR). To achieve this, a recent overtopping prediction formula that includes the influence of water depth on the estimated overtopping rate was used for the analysis. Additionally, the probabilities of failure in terms of the overtopping rate for different SLR scenarios were estimated using the Monte Carlo simulations, and the optimal maintenance intervals were determined. The increase in the crest freeboard, required to maintain the design overtopping rate, was estimated to be less than the increase needed in berm width for the different sea level rise scenarios considered. Furthermore, the required crest freeboard was influenced less by the initial configuration of the berm width. Shorter maintenance intervals were required for structures with an initially wide berm compared to those with a high crest freeboard. The results indicated that the future design and maintenance of berm breakwaters need to consider the effects of SLR on the overtopping performance, especially in shallow water zones. |
| 出版年： | 2019 |
| 期刊名称： | Journal of Waterway, Port, Coastal, and Ocean Engineering |
| 卷： | 145 |
| 期： | 5 |
| 页码： | 1-15 |
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