Stability of Shallow Rubble Mound Breakwaters under Climate Change Induced Sea Level Rise

Material type: 図書

Author: 高木, 泰士ほか

Publisher: Elsevier

Publication date: 2015-08

Material Format: Paper

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Note (General)：: Climate change is expected to lead to increases in sea levels which could threaten the stability of rubble mound breakwaters in the future, as greater...

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Paper

Material Type: 図書
Title: Stability of Shallow Rubble Mound Breakwaters under Climate Change Induced Sea Level Rise
Author/Editor: 高木, 泰士
Takagi, Hiroshi
Author Heading: 高木, 泰士
Takagi, Hiroshi
Publication, Distribution, etc.: Elsevier
Publication Date: 2015-08
Publication Date (W3CDTF): 2015-08
Alternative Title: Stability of Shallow Rubble Mound Breakwaters under Climate Change Induced Sea Level Rise
Periodical title: Handbook of Coastal Disaster Mitigation for Engineers and Planners
Pages: 675-696
Text Language Code: eng
Target Audience: 一般
Note (General): Climate change is expected to lead to increases in sea levels which could threaten the stability of rubble mound breakwaters in the future, as greater water depths will allow larger heights to reach the structures. Although this phenomenon is widely understood, the authors of the present chapter argue that an acceleration in the pace of sea level rise will require a more detailed assessment of risks and maintenance of breakwaters than at present, especially after 2050. This will alter port and breakwater design philosophy and lead to substantial increases in the cost to build and maintain these costly structures, especially in countries with relatively shallow coastal bathymetries such as Vietnam. The generic average increases in breakwater cross-sections were evaluated for four different rates of sea level rise showing that for the more extreme scenarios cases (for a sea level rise of 1.3 m over 50 years) a breakwater designed in 2050 could require between 8% (for the deeper sections) and 66% (for the shallower sections) more material than one designed in the 20th century not taking into account sea level rise. A case study of one such port, that of Phan Thiet in Vietnam, was used to showcase the problems involved.
identifier:oai:t2r2.star.titech.ac.jp:50288964
Related Material (DOI): 10.1016/B978-0-12-801060-0.00031-9
Data Provider (Database): 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）
https://irdb.nii.ac.jp
Original Data Provider (Database): 東京工業大学 : 東京工業大学リサーチリポジトリ