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以2008年10月太湖实测数据为基础,用改进的指数函数和线性法拟合非色素颗粒物吸收和浮游植物色素吸收,根据二者的加和关系,建立总悬浮颗粒物吸收分解模型,依据参量的不同,分别构建了两个分解模型(Mod-4和Mod-5),两者都可以较好的分解出太湖水体浮游植物色素吸收和非色素颗粒物吸收,但Mod-5的拟合精度稍高于Mod-4.研究结果对于进一步探索和建立太湖区域生物光学模型,精确反演水质参数具有一定意义.
Based on the measured data of Taihu Lake in October 2008, non-pigmental particulate matter absorption and phytoplankton pigment absorption were fitted by improved exponential and linear methods. According to the additive relationship, the model of total suspended particulate absorption and decomposition was established. According to the parameters , Two decomposition models (Mod-4 and Mod-5) were constructed. Both of them can decompose the phytoplankton pigment absorption and non-pigment particle absorption well in Taihu Lake, but the fitting accuracy of Mod-5 is slightly higher In Mod-4, the results of this study are of great significance for further exploration and establishment of bio-optical models in the Taihu Lake area and accurate inversion of water quality parameters.