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Updated: May 23, 2025

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量化红树林对波浪减弱的不确定性,以告知沿海绿带政策
Bregje K van Wesenbeeck1,2, Vincent T M van Zelst1,2, Jose A A Antolinez1
1Delft University of Technology, Faculty of Civil Engineering and Geosciences, Delft, The Netherlands.
概括
红树林大大减少了波浪的高度,特别是当波浪的宽度超过500米时. 这项研究建议采用更广泛的红树林绿带,以加强沿海防洪和波浪能量消耗.
科学领域:
- 沿海生态 沿海生态
- 海洋工程 海洋工程是指海洋工程.
- 环境科学环境科学
背景情况:
- 红树林对于海岸保护至关重要,导致对绿带宽度的规定.
- 目前的法规范围从50米到200米,可能低估了红树林的有效性.
研究的目的:
- 量化红树林对风和海浪的减波能力.
- 评估红树林宽度对波浪散射的影响.
- 为林绿地带管理制定新的标准提供信息.
主要方法:
- 使用现实的环境条件进行了2.16万次数值模型运行.
- 在不同的红树林宽度和特征上分析了波浪高度的减少.
主要成果:
- 红树林前的潮平面消散了大约70%的波浪高度.
- 在较窄的森林 (<500米) 中,波浪的消散是高度可变的.
- 超过500米宽的森林 (占全球红树林的46%) 消耗了超过75%的进来波浪能量.
结论:
- 红树林的宽度是波浪能量消散的一个关键因素.
- 建议至少宽度为500米,以有效地减轻波浪.
- 对红树林绿地带立法的新标准应该考虑增加宽度,以加强海岸防御.
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