| 太湖水体吸收分解(Ⅰ):悬浮颗粒与浮游植物色素的分离 |
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| 引用本文： | 郝景燕,马荣华,段洪涛,张寿选. 太湖水体吸收分解(Ⅰ):悬浮颗粒与浮游植物色素的分离[J]. 湖泊科学, 2010, 22(3): 337-348 |
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| 作者姓名： | 郝景燕 马荣华 段洪涛 张寿选 |
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| 作者单位： | 中国科学院南京地理与湖泊研究所,南京,210008;中国科学院研究生院,北京,100049;中国科学院南京地理与湖泊研究所,南京,210008 |
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| 基金项目： | 中国科学院知识创新工程方向性研究项目，国家自然科学基金，中国科学院知识创新工程重大项目，水专项课题 |
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| 摘 要： | 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.
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| 关 键 词： | 太湖 吸收分解 悬浮颗粒 浮游植物色素 非色素颗粒 |
| 收稿时间： | 2009-08-20 |
| 修稿时间： | 2009-12-02 |
The absorption spectral decomposition of water in Lake Taihu,China(I):the decom-position of absorption due to suspend particulate matter and due to phytoplankton pig-ment |
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| HAO Jingyan,MA Ronghu,DUAN Hongtao and ZHANG Shouxuan. The absorption spectral decomposition of water in Lake Taihu,China(I):the decom-position of absorption due to suspend particulate matter and due to phytoplankton pig-ment[J]. Journal of Lake Science, 2010, 22(3): 337-348 |
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| Authors: | HAO Jingyan MA Ronghu DUAN Hongtao ZHANG Shouxuan |
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| Affiliation: | Nanjing Institute of Geography & Limnology, Chinese Academy of Sciences, Nanjing 210008, P. R. China;Graduate School of the Chinese Academy of Sciences, Beijing 100049, P. R. China,Nanjing Institute of Geography & Limnology, Chinese Academy of Sciences, Nanjing 210008, P. R. China,Nanjing Institute of Geography & Limnology, Chinese Academy of Sciences, Nanjing 210008, P. R. China and Nanjing Institute of Geography & Limnology, Chinese Academy of Sciences, Nanjing 210008, P. R. China;Graduate School of the Chinese Academy of Sciences, Beijing 100049, P. R. China |
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| Abstract: | Based on the data measured in situ in Lake Taihu in October 2008, two models, namely, Mod-4 with five unknown parameters and Mod-5 with two unknown parameters, were developed to decompose the absorption due to suspend pariculate matter ( SPM) into absorptions due to phytoplankton pigment and non-pigment particulate absorption. The result showed that both of the models were good for the accurate decomposition. But Mod-5 was better than Mod-4 and Mod-S can be preferentially recommended, which was helpful to develop an appropriable and applicable bio-optical model for retrieval of water quality parameter in Lake Taihu. |
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| Keywords: | Lake Taihu absorption decomposition suspend particulate matter phytoplankton pigment non-pigment particulate matter |
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