Distribution of nitrate and its implication for the contaminant source in groundwater of Huaibei Plain, Anhui Province
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- 作者：Jiazhong Qian ; Lulu Wang ; Yong Liu ; Boren Wu ; Xiaoming Wang
- 关键词：nitrate ; groundwater ; factor analysis ; contaminant source ; Huaibei Plain
- 刊名：Geosciences Journal
- 出版年：2015
- 出版时间：September 2015
- 年：2015
- 卷：19
- 期：3
- 页码：537-545
- 全文大小：737 KB
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Lulu Wang (1)
Yong Liu (2)
Boren Wu (3)
Xiaoming Wang (4)
1. School of Resources and Environmental Engineering, Hefei University of Technology, Hefei, 230009, China
2. School of Biotechnology and Food Engineering, Hefei University of Technology, Hefei, 230009, China
3. Public Geological Survey Management Center of Anhui Province, Hefei, Anhui, 230001, China
4. School of Resources and Environmental Engineering, Hefei University of Technology, Hefei, 230009, China - 刊物类别：Earth and Environmental Science
- 刊物主题：Earth sciences
Geosciences - 出版者：The Geological Society of Korea, co-published with Springer
- ISSN：1598-7477
文摘
High concentration of NO3-N in groundwater can pose risk to human’s health, thus the study of NO3-N contamination in groundwater is a very important issue related to public health. Using a typical agriculture zone, Huaibei plain in Anhui Province of China as a field site, the temporal and spatial variation of groundwater NO3-N concentration was studied using a multivariate statistical factor analysis combined with Kaiser-Meyer-Olkin method based on a hydrogeological investigation from 2005 to 2009 year. The results show: (1) The contaminant in the groundwater of Huaibei Plain in Anhui Province are serious. 10% of the shallow groundwater samples in non-rainy season of 2005 exceeds the recommended value of NO3-N by Chinese drinking water standard (?0 mg/L), while 17.5% exceeds the recommended value (11.3 mg/L) by EC. (2) About 15% of shallow groundwater in the whole study area was polluted in 2005 with the maximum of 97.67 mg/L; Groundwater NO3-N concentration is higher in non-rainy season than in rainy season. And the NO3-N content in groundwater shows the increasing trend at all three depths sampled from 2005 to 2009 year. (3) Groundwater nitrate pollution mainly derives from anthropogenic activities in Huaibei Plain, Anhui Province. Further quantitative analysis need to be studied in the future. Key words nitrate groundwater factor analysis contaminant source Huaibei Plain