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ASD - Estimation of urban river water quality parameters based on ground hyperspectral remote sensing technology

 Last Update: 2022-08-30
 Source: Internet
 Author: User

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water ion

field control

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Based on this, in this study, a research team took the Fuyang River in Handan City as the research object, obtained hyperspectral data of water samples through indoor measurement (ASD FieldSpec 4 spectrometer) and obtained the corresponding water quality test results through chemical experiments

Fig.

The research results show that the regression accuracy of the PLS model for Turb, SS, COD, TN and TP is better, but the generalization is poor; the prediction effect of the RF model for Turb, SS, COD, NH4-N and TP is better than that of the PLS model.

The results show that the ground hyperspectral data can accurately invert the water pollution status and realize large-scale, multi-parameter water quality monitoring

Due to the limitation of collecting sample data, this study only analyzed the relationship between the spectrum and the corresponding water quality

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