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中文摘要：
通过黄河口含沙水体野外遥感光谱反射率的观测实验，探讨了黄河口水体表观光谱特性，分析了悬浮体中有机颗粒含量和悬沙粒度对光谱特性的影响。针对Landsat TM／ETM^＋影像波段特性，对黄河口含沙水体在其可见光至近红外4个波段的光谱特性进行了模拟分析，并结合表观光谱观测数据建立了经验回归函数，以估测不同时相黄河口水体表层悬沙的浓度。
英文摘要：
The responses of spectral signature to suspended sediment concentration （SSC） of turbid waters in the Huanghe estuary are addressed based upon in situ above-water radiance measurement and water sampling, for suspended sediment concentration ranging from 5.4 to 1713.1 mg/L. The influences of suspended organic particle matter and particle distribution of suspended sediment on spectral signature are analyzed. Some empirical relationships between remote-sensing reflectance in Landsat TM bands and suspended sediment concentration are established. The best correlation is obtained for the reflectance ratio of Landsat TM3 and TM2, which is further applied to the estimation of SSC in the estuary.
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