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2013•Value EngineeringRequires access

Analysis on Urban Topsoil Heavy Metal Pollution

Zhang Hong-ya

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Abstract

In this paper,concentration data of heavy metal element which is provided by sampling point of a urban district is processed by using Nemerow integrated pollution index method,and its degree of pollution is obtained.Corresponding mathematical model was established by principal component analysis method to conduct data processing and then major pollutants were found.Cr,Cd,Pd,Zn are the main elements which cause heavy metal pollution,and then the range of pollution sources was found.

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What this paper is about

In this paper,concentration data of heavy metal element which is provided by sampling point of a urban district is processed by using Nemerow integrated pollution index method,and its degree of pollution is obtained.Corresponding mathematical model was established by principal component analysis method to conduct data processing and then major pollutants were found.Cr,Cd,Pd,Zn are the main elements which cause heavy metal pollution,and then the range of pollution sources was found.

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Available abstract

In this paper,concentration data of heavy metal element which is provided by sampling point of a urban district is processed by using Nemerow integrated pollution index method,and its degree of pollution is obtained.Corresponding mathematical model was established by principal component analysis method to conduct data processing and then major pollutants were found.Cr,Cd,Pd,Zn are the main elements which cause heavy metal pollution,and then the range of pollution sources was found.

Key concepts: Pollution, Environmental science, Pollutant, Topsoil, Principal component analysis, Sampling (signal processing), Heavy metals, Environmental engineering

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