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1引言我国沿岸、河口附近水域具有高悬沙量的特点．悬沙的分布、扩散、沉降过程影响港口、航道水深的维持，影响生态环境．利用卫星遥感资料开展悬沙遥感及定量算法研究，在我国已取得诸多成果，挥才兴等【‘」提出了几种悬沙定量的经验和半经验模式．“七五”攻关分别对黄河口
1 Introduction Coastal and estuarine waters around China have the characteristics of high suspended sediment. The distribution of suspended sediment, diffusion and sedimentation affect the maintenance of water depth of seaports and waterways and affect the ecological environment. Using satellite remote sensing data to carry out the research on suspended sediment remote sensing and quantitative algorithms, many achievements have been made in our country, such as Xiucai Hsing et al. [5] proposed several empirical and semi-empirical models of suspended sediment quantification. “Seventh Five-Year” research respectively on the Yellow River mouth