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Severe Nitrate Pollution and Health Risks of Coastal Aquifer Simultaneously Influenced by Saltwater Intrusion and Intensive Anthropogenic Activities

文献类型：期刊论文

作者Jun Wu; Xiaohu Wen
刊名Archives of Environmental Contamination and Toxicology
出版日期2019
卷号77期号:1页码:79-87
关键词GROUNDWATER NITRATE LAND-USE CONTAMINATION SALINIZATION WATER
ISSN号0090-4341
DOI10.1007/s00244-019-00636-7
产权排序[Wu, Jun ; Zhang, Zhenhua] Ludong Univ, Sch Resources & Environm Engn, Yantai 264025, Shandong, Peoples R China ; [Lu, Jian ; Lin, Yichen] Chinese Acad Sci, Yantai Inst Coastal Zone Res YIC, CAS Key Lab Coastal Environm Proc & Ecol Remediat, Yantai 264003, Shandong, Peoples R China ; [Wen, Xiaohu] Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, Key Lab Ecohydrol Inland River Basin, Lanzhou 730000, Gansu, Peoples R China
文献子类Article
英文摘要Groundwater quality is critical for regional sustainability and human well-beings in coastal regions, because groundwater is an important water resource for these areas facing water scarcity. Anthropogenic activities might induce nitrate pollution, whereas saltwater intrusion could decrease coastal groundwater discharge into sea to subsequently cause the persistent accumulation of pollutants in coastal aquifer. Rare information is available on the nitrate pollution of coastal aquifer under simultaneous influences of saltwater intrusion and intensive anthropogenic activities. This study investigated the distribution, pollution, possible sources, and potential health risks of groundwater nitrate of typical coastal aquifer simultaneously influenced by saltwater intrusion and intensive anthropogenic activities. The average/maximal concentration of groundwater nitrate was 173.70/824.80mg/L, indicating the severe accumulation of nitrate in the coastal aquifer. Concentrations of nitrate in coastal groundwater were much higher than those in adjacent seawater. Groundwater salinization did not have significant effects on nitrate distribution. Groundwater in 87.6% of sampling sites was not suitable for drinking based on nitrate evaluation criterion. Anthropogenic activities might induce nitrate pollution in approximately 94.7% of sampling sites. Sources, including sewage and manure, soil nitrogen, and ammonium fertilizers, contributed to groundwater nitrate with concentration >100mg/L in the study area, whereas sewage and manure were the predominant source affecting groundwater nitrate in 97.5% of sampling sites. Groundwater nitrate exerted unacceptable noncancer health risks for infants, children, teenagers, and adults in more than 87.6% of the study area. Infants and children were the most susceptibly influenced by groundwater nitrate. It is urgent to take effective measures for controlling groundwater nitrate pollution in the study area.
WOS关键词GROUNDWATER NITRATE ; LAND-USE ; CONTAMINATION ; SALINIZATION ; WATER
WOS研究方向Environmental Sciences ; Toxicology
语种英语
WOS记录号WOS:000470275700009
资助机构National Natural Science Foundation of ChinaNational Natural Science Foundation of China [41671319] ; One Hundred Talents Program of Chinese Academy of SciencesChinese Academy of Sciences [Y629041021] ; Taishan Scholar Program of Shandong Province [tsqn201812116] ; Two-Hundred Talents Plan of Yantai [Y739011021] ; CAS "Light of West China Program"
源URL[http://ir.yic.ac.cn/handle/133337/24202]  
专题烟台海岸带研究所_中科院海岸带环境过程与生态修复重点实验室
通讯作者Jun Wu
推荐引用方式
GB/T 7714		 Jun Wu,Xiaohu Wen. Severe Nitrate Pollution and Health Risks of Coastal Aquifer Simultaneously Influenced by Saltwater Intrusion and Intensive Anthropogenic Activities[J]. Archives of Environmental Contamination and Toxicology,2019,77(1):79-87.
APA Jun Wu,&Xiaohu Wen.(2019).Severe Nitrate Pollution and Health Risks of Coastal Aquifer Simultaneously Influenced by Saltwater Intrusion and Intensive Anthropogenic Activities.Archives of Environmental Contamination and Toxicology,77(1),79-87.
MLA Jun Wu,et al."Severe Nitrate Pollution and Health Risks of Coastal Aquifer Simultaneously Influenced by Saltwater Intrusion and Intensive Anthropogenic Activities".Archives of Environmental Contamination and Toxicology 77.1(2019):79-87.

入库方式： OAI收割

来源：烟台海岸带研究所

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