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March 3, 2026Marine Environment Science0 citations

Evolution of Nanhui tidal flat based on multi-source remote sensing

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HYHaiwei YangGGGuoping GAOJCJie CHEN

Key Points

  • Coastal erosion and sedimentation trends indicate significant changes in land cover along Nanhui tidal flat.
  • Notable land area increases by 66.96%, with a shift of coastlines at 521.11 m per year, highlighting rapid environmental changes.
  • Analysis using digital elevation models and multi-source remote sensing data offers insights into geomorphic evolution.
  • The findings underscore the importance of understanding both natural factors and human activities in tidal flat evolution.

Abstract

基于Landsat-8/9和Sentinel-2等多源遥感影像数据,本文构建了2017年至2022年南汇边滩数字高程模型,分析了其地貌演变特征,并探讨了主要影响因素。结果表明:南汇东滩因导堤工程呈显著淤积趋势,陆地面积增加66.96%(由64.67 km2增至107.97 km2),海岸线以最快 521.11 m/a 的速率向海推进;南汇南滩呈现岸线退缩和侵蚀趋势,面积减少了22.06%(从 2.04 km2 减少到 1.59 km2 )。南汇东滩地貌演变呈现显著的季节差异特征,夏秋季台风驱动,岸线呈显著的向岸和向海的双凸形剖面特征,而冬春季盛行北向风的动力驱动增强了围堤内回淤,有助于滩面整体向海淤进。本研究为理解自然条件强迫与人类活动协同驱动的潮滩演化提供了重要参考。

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Cite This Study

Yang et al. (2026) studied this question.

synapsesocial.com/papers/69a75cd6c6e9836116a26080https://doi.org/10.3724/j.mes.2025-0159
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Study on the Erosion and Deposition Changes of Tidal Flat in Jiangsu Province Using ICESat-2 and Sentinel-2 Data2023 · 10 citations
  2. 2Application of satellite remote sensing to coastal topography generation: case study of Chongming Island in Shanghai, China2009 · 7 citations
  3. 3Anthropogenic, Direct Pressures on Coastal Wetlands2020 · 331 citations
  4. 4Classification of beach response to extreme storms2017 · 118 citations
  5. 5Sediment sorting and bedding dynamics of tidal flat wetlands: Modeling the signature of storms2022 · 30 citations