The Source Apportionment of Heavy Metals in Surface Dust in the Main District Bus Stops of Tianshui City Based on the Positive Matrix Factorization Model and Geo-Statistics

The Source Apportionment of Heavy Metals in Surface Dust in the Main District Bus Stops of Tianshui City Based on the Positive Matrix Factorization Model and Geo-Statistics

For the pollution assessment and quantitative source apportionment of heavy metals in surface dust, a total of 52 surface dust samples were collected from bus stops in Tianshui City. The geoaccumulation index (<i>I<sub>geo</sub></i>) and potential ecological risk index (<i...

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Bibliographic Details
Main Authors: Chunyan Li, Xinmin Wang, Shun Xiao, Hai Wang
Format: Article
Language:English
Published: MDPI AG 2023-03-01
Series:Atmosphere
Subjects:
surface dust
positive matrix factorization (PMF)
geo-statistics
heavy metals
bus stops
Online Access:https://www.mdpi.com/2073-4433/14/3/591

Internet

https://www.mdpi.com/2073-4433/14/3/591

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