Modified optical remote sensing algorithms for the Pearl River Estuary

Chim, Man-Chung; Pan, Jiayi; Lai, Wenfeng

doi:10.1007/s11707-015-0526-3

Front. Earth Sci.

2015

DOI: 10.1007/s11707-015-0526-3

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Modified optical remote sensing algorithms for the Pearl River Estuary

Man-Chung Chim

Jiayi Pan

Wenfeng Lai

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2023

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Water environment response of urban water networks in the Pearl River Delta (China) under the influence of typhoon rain events

Shen,

Jin,

Cong

et al. 2023

Water Supply

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Identifying water quality parameter concentrations and their drivers is important for the prevention and control of water environment pollution. In this study, we constructed an inverse model of water quality parameters based on measured water quality parameters and remote sensing spectral data for this study area using artificial neural networks. We investigated the water environment response of the urban water network in the Pearl River Delta under the influence of typhoon rain events and explored their spatial heterogeneity using a multiscale geographically weighted regression model. The results indicate that in regions with a high level of urbanization, the dissolved oxygen (DO) concentration in river water is lower, and the ammonia nitrogen (NH3-N) concentration is higher. Under the influence of typhoon rain events of varying intensities, the response of water quality parameters in the urban water network of Zhongshan City varies. The intensity of rainfall determines the impact of typhoon rain events on water quality parameter concentrations. Our results are expected to improve the understanding of water quality trends under the influence of typhoon rain events and help policymakers and planners better develop water environment control strategies during typhoon transit.

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Water environment response of urban water networks in the Pearl River Delta (China) under the influence of typhoon rain events

Shen,

Jin,

Cong

et al. 2023

Water Supply

View full text Add to dashboard Cite

show abstract

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Modified optical remote sensing algorithms for the Pearl River Estuary

Cited by 1 publication

References 10 publications

Water environment response of urban water networks in the Pearl River Delta (China) under the influence of typhoon rain events

Water environment response of urban water networks in the Pearl River Delta (China) under the influence of typhoon rain events

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