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Research on Correlations between Chlorophyll Concentration and Reflectance Spectral of Taihu Lake
Feng Wei
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Abstract
Based on the water reflectance spectra and chlorophyll concentration measured in October,2004,this study was conducted in order to discuss and analyze the correlation between reflectance spectra and chlorophyll concentration of Taihu Lake.The results showed that the correlation between the reflectance spectra of each band and the chlorophyll concentration was low.But the ratio of reflectance and first derivative reflectance were found to be significantly correlated with the chlorophyll concentration.The geometric characteristics of reflectance spectra at the ridge of 700nm were also well correlated with the chlorophyll concentration.The estimation model of chlorophyll concentration of Taihu was established.