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《Science & Technology Vision》 2018-21
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Research on Spectral Absorption Characteristics of Particulates in East China Sea

WEI Lan-su;SUN De-yong;LI Nan;School of Marine Science , Nanjing University of Information Science & Technology;  
Spectral absorption characteristics of water plays an important role in establishing an optical remote sensing of ocean color model and improving the accuracy of water color remote sensing quantitative inversion. Based on the measured data of two voyages in September 2016 and December, the absorption coefficient and specific absorption coefficient of suspended particles in the three sea areas of the East China Sea were calculated and compared, and the absorption characteristics were analyzed with the concentration of chlorophyll a and the concentration of total suspended particles. The results show that the spectral absorption and specific absorption properties of the total suspended particles are similar to those of the planktonic algae particles. The absorption peaks of the particles in the band 440 nm and675 nm are obvious, and the absorption coefficient of nonalgal particles decreases with the increase of the wavelength.On the whole, the absorption coefficient of Bohai Sea is the largest, followed by the Yellow Sea, and the East China Sea is the smallest.
【Fund】: 国家自然科学基金项目(41576172);; 南京信息工程大学大学生实践创新训练计划项目(201810300064Y)资助
【CateGory Index】: X87;X55
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