An Improved SWAT for Predicting Manganese Pollution Load at the Soil-Water Interface in a Manganese Mine Area
Yao Zhang 1,2
Bozhi Ren 1,2
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Hunan Provincial Key Laboratory of Shale Gas Resource Exploitation, Xiangtan, China
School of Civil Engineering, Hunan University of Science and Technology, Xiangtan, China
School of Science and Sport, University of the West of Scotland, Paisley, United Kingdom
Submission date: 2017-08-12
Final revision date: 2017-10-14
Acceptance date: 2017-10-14
Online publication date: 2018-04-13
Publication date: 2018-05-30
Corresponding author
Bozhi Ren   

Hunan university of science and technology, Hunan university of science and technology, Xiangtan, Hunan, China, 411201 Xiangtan, China
Pol. J. Environ. Stud. 2018;27(5):2357-2365
The prediction of heavy metal pollution load at the soil-water interface of a mining area was studied through an improved soil and water assessment tool (SWAT) model. The Red Flag Mining Area of Xiangtan Manganese Mine in Hunan Province, China, was selected as the research district. GPS, ARCGIS, RS technology, and field experiments were employed in this study. A modified one-dimensional migration model was embedded in the sediment migration source module of SWAT in order to establish an Improved SWAT model for the prediction of manganese pollution load at the soil-water interface. The key pollution areas identified by the improved model were consistent with actual mine pollution, with the Nash-Sutcliffe efficiency Ens and regression R2 coefficients of 0.88 and 0.91, respectively. The study would provide the theoretical foundation and scientific basis for management and repair at the site.
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