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首页> 外文期刊>Frontiers of earth science >Effects of sea level rise on storm surge and waves within the Yangtze River Estuary
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Effects of sea level rise on storm surge and waves within the Yangtze River Estuary

机译：海平面上升对长江口内风暴潮和海浪的影响

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摘要

Sea level rise (SLR) can cause water depth increase (WDI) and coastal inundation (CI). By applying the coupled FVCOM + SWAN model, this study investigates the potential impacts of WDI and CI, induced by a 1.0 m SLR, on storm surge and waves within the Yangtze River Estuary. A 1.0 m WDI decreases the maximum storm surge by 0.15 m and increases the maximum significant wave height by 0.35 m. The CI effect size is smaller when compared with WDI. CI decreases the maximum storm surge and significant wave height by 0.04 and 0.07 m, respectively. In the near-shore area, WDI significantly alters the local hydrodynamic environment, thereby stimulating changes in maximum storm surges and wave heights. Low-lying regions are negatively impacted by CI. Conversely, in deep-water areas, the relative change in water depth is minimal and the effect of CI is gradually enhanced. The combined effect of WDI and CI decreases the maximum surge by 0.31 m and increases the maximum significant wave height by 0.21 m. As a result, CI may be neglected when designing deep-water infrastructures. Nonetheless, the complex interactions between adoption and neglect of CI should be simulated to achieve the best seawall flood control standards and design parameters.
机译：海平面上升（SLR）可能导致水深增加（WDI）和沿海淹没（CI）。通过应用FVCOM + SWAN耦合模型，本研究调查了1.0 m SLR引起的WDI和CI对长江口内风暴潮和海浪的潜在影响。 WDI为1.0 m，最大风暴潮减少0.15 m，最大有效波高增加0.35 m。与WDI相比，CI效应的大小更小。 CI使最大风暴潮和有效波高分别降低了0.04和0.07 m。在近岸地区，WDI极大地改变了当地的水动力环境，从而刺激了最大风暴潮和海浪高度的变化。低洼地区受到CI的负面影响。相反，在深水区，水深的相对变化很小，CI的作用逐渐增强。 WDI和CI的综合作用使最大浪涌降低了0.31 m，并使最大有效波高增加了0.21 m。结果，在设计深水基础设施时可能会忽略CI。但是，应该模拟采用和忽略CI之间的复杂相互作用，以达到最佳的防波堤防洪标准和设计参数。

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  • 来源
    《Frontiers of earth science》 |2019年第2期|303-316|共14页
  • 作者

    Shen Yongming; Deng Gefei; Xu Zhihao; Tang Jun;

  • 作者单位

    Dalian Univ Technol, State Key Lab Coastal & Offshore Engn, Dalian 116024, Peoples R China|Guangdong Univ Technol, Inst Environm & Ecol Engn, Guangzhou 510006, Guangdong, Peoples R China;

    Dalian Univ Technol, State Key Lab Coastal & Offshore Engn, Dalian 116024, Peoples R China;

    Dongguan Univ Technol, Res Ctr Ecoenvironm Engn, Dongguan 523808, Peoples R China;

    Dalian Univ Technol, State Key Lab Coastal & Offshore Engn, Dalian 116024, Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    sea level rise; FVCOM plus SWAN; coastal inundation; Yangtze River Estuary;

    机译：海平面上升FVCOM + SWAN沿海淹没长江河口;

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