NDLI: The establishment and application of risk assessment index system for agricultural non-point source pollution

Content Provider	IEEE Xplore Digital Library
Author	Li Xiaohan Wang Rui Bian Jianmin
Copyright Year	2012
Description	Author affiliation: College of environment and resources, Jilin University, Changchun130021, China (Li Xiaohan; Wang Rui; Bian Jianmin)
Abstract	This paper based on analyzing influence factors of non-point source pollution in Yitong River basin, chose factors of four aspects--soil type, land use, climate elements and ground water to establish risk assessment system for agricultural non-point source pollution; then used engineering drawing and overlay analysis application in GIS technology, and calculated the power of the weight of each factor by AHP to determine the risk rating index, basing on which agricultural non-point source pollution risk zoning was divided. The research results showed that due to the factors of paddy field use and high-density animal husbandry, it has a higher risk of agricultural non-point source pollution in the river basin and relatively developed cities, and the risk is lower in remote and forest region. The establishment of risk assessment index system for agricultural non-point source pollution can help to guide us in making good use of water and soil resources.
Starting Page	1
Ending Page	4
File Size	811424
Page Count	4
File Format	PDF
ISBN	9781467344975
ISSN	21544824
e-ISBN	9781889334479
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-06-24
Publisher Place	Mexico
Access Restriction	Subscribed
Rights Holder	TSI Press
Subject Keyword	Rivers Soil Water pollution Indexes Risk management Agriculture information Extraction Yitong River basin agricultural activities risk assessment index system
Content Type	Text
Resource Type	Article

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