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[1]YANG Haijun,ZHANG Haitao,XU Yunhai,et al.Monitoring and Evaluation of Soil Environmental Quality Around the Concentrated Drinking Water Source in Changsha-Zhuzhou-Xiangtan Area[J].Research of Soil and Water Conservation,2018,25(03):150-156.

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Monitoring and Evaluation of Soil Environmental Quality Around the Concentrated Drinking Water Source in Changsha-Zhuzhou-Xiangtan Area

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 25 Number of periods: 2018 03 Page number: 150-156 Column: Public date: 2018-04-10

Title:: Monitoring and Evaluation of Soil Environmental Quality Around the Concentrated Drinking Water Source in Changsha-Zhuzhou-Xiangtan Area

Author(s):: YANG Haijun¹, ZHANG Haitao¹, XU Yunhai¹, LIU Yabin¹, JIN Hongyu¹, WANG Yaling¹, XING Honglin^1,2; 1. Hunan Agricultural University, Changsha 410128, China;
2. Environmental Monitoring Station of Hunan Province, Changsha 410014, China

Keywords:: Changsha-Zhuzhou-Xiangtan area; concentrated drinking water source; soil; environmental quality; evaluation

CLC:: X820.4

DOI:: -

Abstract:: In order to understand the environmental quality of the surrounding drinking water source in Changsha-Zhuzhou-Xiangtan area, The pH value, cation exchange capacity, organic matter content and typical pollutants in the collected soil samples from the surrounding soil of the centralized drinking water source area in Changsha-Zhuzhou-Xiangtan area were measured and analyzed. The results showed that there were differences in pH value, cation exchange capacities and organic matter contents in the surrounding soil of six centralized drinking water sources in Changsha-Zhuzhou-Xiangtan area; the average exceeding rates of contents of Cd, Pb, Zn, As and Ni in the 30 monitoring sites were 63.33%, 63.33%, 73.33%, 33.33% and 13.33%, respectively, the average exceeding rates of Hg,Cr,Cu were 16.67%, Hexachlorocyclohexane, DDT and benzo[a] pyrene did not exceed the standard values; single factor evaluation and comprehensive evaluation showed that the surrounding soil of drinking water sources area was mainly polluted by inorganic pollutants, and only 3 monitoring points had organic pollution. All the soils at the monitoring sites were subjected to the combined inorganic-organic pollution; the principal component analysis showed that Cr, Cu, Ni, Zn, Hexachlorocyclohexane, Cd, As, Benzo[a] pyrene and Hg accounted for the large proportion of pollutants, which constitute the main components of the pollution problem in the soil of monitoring points. Cluster analysis found that the surrounding soil of the water source area that the benzene[a] pyrene, hexachlorocyclohexane and DDT can be classified as the same class, Cr, Ni, Cu can be classified as the same class, Pb, Zn can be classified as the same class, and As, Hg, Cd, can be classified as the same class, respectively, the source and control measures of pollutants in the surrounding soil of drinking water source were analyzed and discussed. The results of this study can provide the theoretical basis for the safety of centralized drinking water source in Changshang-Zhuzhou-Xiangtan area.

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