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Pollution, ecological-health risks, and sources of heavy metals in soil of the northeastern Qinghai-Tibet Plateau
Wu, Jun1,2; Lu, Jian3; Li, Leiming1,2; Min, Xiuyun1,2; Luo, Yongming3
2018-06-01
发表期刊CHEMOSPHERE
卷号201页码:234-242
文章类型Article
摘要The Qinghai-Tibet Plateau, especially the northeastern region, is not a pure land any more due to recently increasing anthropogenic activities. This study collected soil samples from 70 sites of the northeastern Qinghai-Tibet Plateau to evaluate pollution, ecological-health risks, and possible pollution sources of heavy metals. The concentrations of heavy metals in soil were relatively high. Values of geo-accumulation index exhibited that Hg pollution was the most serious meanwhile Hg possessed the strongest enrichment feature based on enrichment factor values. The modified degrees of contamination showed that about 54.3% and 17.1% of sampling sites were at moderate and high contamination degree while pollution load indexes illustrated that 72.9% and 27.1% of sampling sites possessed moderate and high contamination level, respectively. Ecological risk indexes of heavy metals in soil ranged from 234.6 to 3759.0, suggesting that most of sites were under considerable/very high risks. Cancer risks for adults and children were determined as high and high-very high levels while non-cancer risks for children were high although those for adults were low. Industrial source contributed to the main fraction of ecological and health risks. Summarily speaking, heavy metals in soil of the study area has caused significantly serious pollution and exerted high potential ecological and health risks, especially for children who are more susceptible to hurt from pollutants. Therefore, more efficient and strict pollution control and management in study area should be put out as soon as possible. (C) 2018 Elsevier Ltd. All rights reserved.
关键词Heavy Metal The Qjnghai-tibet Plateau Ecological Risk Health Risk Source Apportionment
WOS标题词Science & Technology ; Life Sciences & Biomedicine
关键词[WOS]ORGANOCHLORINE PESTICIDES ; SOURCE IDENTIFICATION ; SPATIAL-DISTRIBUTION ; SOURCE APPORTIONMENT ; HIGH-MOUNTAIN ; CHINA ; CONTAMINATION ; DEPOSITION ; RIVER ; SEDIMENTS
收录类别SCI
语种英语
WOS研究方向Environmental Sciences & Ecology
WOS类目Environmental Sciences
WOS记录号WOS:000430895300026
引用统计
被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.isl.ac.cn/handle/363002/6464
专题青海盐湖研究所知识仓储
中国科学院青海盐湖研究所
盐湖地质与环境实验室
作者单位1.Chinese Acad Sci, Qinghai Inst Salt Lakes, Key Lab Comprehens & Highly Efficient Utilizat Sa, Xining 810008, Qinghai, Peoples R China
2.Qinghai Prov Key Lab Geol & Environm Salt Lakes, Xining 810008, Qinghai, Peoples R China
3.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Environm Proc & Ecol Remediat, Yantai 264003, Shandong, Peoples R China
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GB/T 7714
Wu, Jun,Lu, Jian,Li, Leiming,et al. Pollution, ecological-health risks, and sources of heavy metals in soil of the northeastern Qinghai-Tibet Plateau[J]. CHEMOSPHERE,2018,201:234-242.
APA Wu, Jun,Lu, Jian,Li, Leiming,Min, Xiuyun,&Luo, Yongming.(2018).Pollution, ecological-health risks, and sources of heavy metals in soil of the northeastern Qinghai-Tibet Plateau.CHEMOSPHERE,201,234-242.
MLA Wu, Jun,et al."Pollution, ecological-health risks, and sources of heavy metals in soil of the northeastern Qinghai-Tibet Plateau".CHEMOSPHERE 201(2018):234-242.
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