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Evaluation Method of Water Quality for River Based on Multi-spectral Remote Sensing Data : Volume Xl-7/W3, Issue 1 (30/04/2015)

By Xiao, X.

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Book Id: WPLBN0004015896
Format Type: PDF Article :
File Size: Pages 7
Reproduction Date: 2015

Title: Evaluation Method of Water Quality for River Based on Multi-spectral Remote Sensing Data : Volume Xl-7/W3, Issue 1 (30/04/2015)  
Author: Xiao, X.
Volume: Vol. XL-7/W3, Issue 1
Language: English
Subject: Science, Isprs, International
Collections: Periodicals: Journal and Magazine Collection (Contemporary), Copernicus Publications
Publication Date:
Publisher: Copernicus Publications, Göttingen, Germany
Member Page: Copernicus Publications


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Xiongfei, W., Zhaohui, W., Chengfang, H., Jian, X., Xiao, X., Dengzhong, Z., & Xuejun, C. (2015). Evaluation Method of Water Quality for River Based on Multi-spectral Remote Sensing Data : Volume Xl-7/W3, Issue 1 (30/04/2015). Retrieved from

Description: School of Resource and Environmental Sciences, Wuhan University, Wuhan, China. With the rapid development of the regional economy, water pollution has gradually become an environmental problem that cannot be ignored. As an important water source in central China, the Han River should strengthen water quality monitoring and management in order to ensure the sustainable development of watershed and related areas. Taking typical sections of middle and lower reaches of the Han River as the study area, this paper focuses on rapid river water quality assessment using multispectral remote sensing images. Based on measured water quality data and synchronous spatial high and medium-resolution remote sensing data (multi-spectral data of ZY3 and HJ1A) in 2013, neural network algorithm is used to establish water quality index retrieval model for the study area, and then water quality status is assessed accordingly. The results show that BP neural network retrieval model of water quality index that is established based on multispectral data of ZY3 satellite has higher accuracy and that its assessment results are of high credibility and strong applicability, which can really reflect changes in water quality and better achieve water quality assessment for the study area. In addition, water quality assessment results show that major excessive factors in the study area are total nitrogen and total phosphorus; the polluting type is organic pollution; water quality varies greatly with seasons.

Evaluation method of water quality for river based on multi-spectral remote sensing data


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