The characteristics of coastal highway wave attack and nearshore morphology: Provincial highway no. 9, taiwan

Wei Shiun Lu, Han Lun Wu, Kai Cheng Hu, Yen Lung Chen, Wei Bo Chen, Shih Chun Hsiao, Yu Hsiao, Chun Yen Chen, Li Hung Tsai

Research output: Contribution to journalArticlepeer-review

Abstract

This study explores coastal hazard characteristics along Provincial Highway No. 9 (hereafter the Provincial Highway) in Taiwan. Numerical simulation was conducted to analyze wave attacks and medium-to-long-term coastal morphological change along the Provincial Highway and identify areas of high hazard potential. Hydrodynamic and morphological change numerical models were used to simulate various meteorological scenarios in the research site; specifically, far-field, medium-field, and near-field simulations were performed. Subsequently, the simulated results were employed to analyze hazard characteristics and determine the potential for hazard along the Provincial Highway. According to the analysis of hazard characteristics, the high potential of wave attacks was revealed in the following sections of the highway: 440K+000-441K+000, areas near 424K+500, and 396K+000-396K+500, and the highest potential for erosion was shown in the areas near 418K+000 and 397K+500. Finally, these areas with a high potential for wave attacks and erosion were marked to create a map of hazard potential for the provincial highway, and thus provide insights into future construction works or hazard-prevention operations.

Original languageEnglish
Article number3274
JournalWater (Switzerland)
Volume12
Issue number11
DOIs
Publication statusPublished - 2020 Nov

All Science Journal Classification (ASJC) codes

  • Biochemistry
  • Geography, Planning and Development
  • Aquatic Science
  • Water Science and Technology

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