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	Severe Nitrate Pollution and Health Risks of Coastal Aquifer Simultaneously Influenced by Saltwater Intrusion and Intensive Anthropogenic Activities
	Wu, Jun1; Lu, Jian2; Wen, Xiaohu3; Zhang, Zhenhua1; Lin, Yichen2
刊名	ARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY
	2019-07-01
卷号	77期号:1页码:79-87
ISSN号	0090-4341
DOI	10.1007/s00244-019-00636-7
通讯作者	Lu, Jian(jlu@yic.ac.cn)
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.
收录类别	SCI
WOS关键词	GROUNDWATER NITRATE ; LAND-USE ; CONTAMINATION ; SALINIZATION ; WATER
WOS研究方向	Environmental Sciences & Ecology ; Toxicology
WOS类目	Environmental Sciences ; Toxicology
语种	英语
出版者	SPRINGER
WOS记录号	WOS:000470275700009
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2555427
专题	寒区旱区环境与工程研究所
通讯作者	Lu, Jian
作者单位	1.Ludong Univ, Sch Resources & Environm Engn, Yantai 264025, Shandong, Peoples R China 2.Chinese Acad Sci, Yantai Inst Coastal Zone Res YIC, CAS Key Lab Coastal Environm Proc & Ecol Remediat, Yantai 264003, Shandong, Peoples R China 3.Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, Key Lab Ecohydrol Inland River Basin, Lanzhou 730000, Gansu, Peoples R China
推荐引用方式 GB/T 7714	Wu, Jun,Lu, Jian,Wen, Xiaohu,et al. 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	Wu, Jun,Lu, Jian,Wen, Xiaohu,Zhang, Zhenhua,&Lin, Yichen.(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	Wu, Jun,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.

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