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Int. J. Environ. Res. Public Health 2018, 15(2), 279; https://doi.org/10.3390/ijerph15020279

Seasonal and Spatial Variability of Anthropogenic and Natural Factors Influencing Groundwater Quality Based on Source Apportionment

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1,2,* , 1,2
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1
College of Water Sciences, Beijing Normal University, Beijing 100875, China
2
Engineering Research Center of Groundwater Pollution Control and Remediation, Ministry of Education, Beijing 100875, China
*
Author to whom correspondence should be addressed.
Received: 5 January 2018 / Revised: 28 January 2018 / Accepted: 2 February 2018 / Published: 6 February 2018
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Abstract

Globally, groundwater resources are being deteriorated by rapid social development. Thus, there is an urgent need to assess the combined impacts of natural and enhanced anthropogenic sources on groundwater chemistry. The aim of this study was to identify seasonal characteristics and spatial variations in anthropogenic and natural effects, to improve the understanding of major hydrogeochemical processes based on source apportionment. 34 groundwater points located in a riverside groundwater resource area in northeast China were sampled during the wet and dry seasons in 2015. Using principal component analysis and factor analysis, 4 principal components (PCs) were extracted from 16 groundwater parameters. Three of the PCs were water-rock interaction (PC1), geogenic Fe and Mn (PC2), and agricultural pollution (PC3). A remarkable difference (PC4) was organic pollution originating from negative anthropogenic effects during the wet season, and geogenic F enrichment during the dry season. Groundwater exploitation resulted in dramatic depression cone with higher hydraulic gradient around the water source area. It not only intensified dissolution of calcite, dolomite, gypsum, Fe, Mn and fluorine minerals, but also induced more surface water recharge for the water source area. The spatial distribution of the PCs also suggested the center of the study area was extremely vulnerable to contamination by Fe, Mn, COD, and F. View Full-Text
Keywords: groundwater quality; groundwater-river water interaction; hydrochemistry; seasonal and spatial distribution; principal component analysis; factor analysis groundwater quality; groundwater-river water interaction; hydrochemistry; seasonal and spatial distribution; principal component analysis; factor analysis
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Guo, X.; Zuo, R.; Meng, L.; Wang, J.; Teng, Y.; Liu, X.; Chen, M. Seasonal and Spatial Variability of Anthropogenic and Natural Factors Influencing Groundwater Quality Based on Source Apportionment. Int. J. Environ. Res. Public Health 2018, 15, 279.

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