A technique for inversion of water quality parameters in the East Lake based on spectral reflectance measurement

Deren Li; Shenghui Fang; Yuan Zhou

doi:10.1117/12.654851

3 November 2005 A technique for inversion of water quality parameters in the East Lake based on spectral reflectance measurement

Deren Li, Shenghui Fang, Yuan Zhou

Author Affiliations +

Proceedings Volume 6043, MIPPR 2005: SAR and Multispectral Image Processing; 60430M (2005) https://doi.org/10.1117/12.654851
Event: MIPPR 2005 SAR and Multispectral Image Processing, 2005, Wuhan, China

Abstract

The purpose of this paper is to clarify the components of surface water spectral energy as well as the factors that affect these components. Using proper spectral measurement technology and data retrieval algorithms, the spectral characteristic of varying water quality can be obtained, based on the fact that inland water spectral reflectance curves are generally different because of the differences caused by the organism, the eutrophication, and the suspended sediment content(SSC). A model was developed based on the ratio of the water chlorophyll a concentration to spectrum, with a normalized model taking care of simultaneously observed data concerning water quality parameters. The relationship between the pollution index of East Lake in Wuhan and spectral reflectance characteristic was also described through a mixed model concerning chlorophyll and sediment reflectance. The models were proved by some experiments, which facilitate the inversion of water pollution index based on remote sensor measurement.

Citation Download Citation

Deren Li, Shenghui Fang, and Yuan Zhou "A technique for inversion of water quality parameters in the East Lake based on spectral reflectance measurement", Proc. SPIE 6043, MIPPR 2005: SAR and Multispectral Image Processing, 60430M (3 November 2005); https://doi.org/10.1117/12.654851

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