Spatial and temporal variation of heavy metal risk and source in sediments of Dongting Lake wetland, mid-south China.
Identifieur interne : 000111 ( PubMed/Corpus ); précédent : 000110; suivant : 000112Spatial and temporal variation of heavy metal risk and source in sediments of Dongting Lake wetland, mid-south China.
Auteurs : Jie Liang ; Jiayu Liu ; Xingzhong Yuan ; Guangming Zeng ; Xu Lai ; Xiaodong Li ; Haipeng Wu ; Yujie Yuan ; Fei LiSource :
- Journal of environmental science and health. Part A, Toxic/hazardous substances & environmental engineering [ 1532-4117 ] ; 2015.
English descriptors
- KwdEn :
- MESH :
- chemical , analysis : Metals, Heavy, Water Pollutants, Chemical.
- geographic : China.
- chemistry : Geologic Sediments, Lakes, Rivers.
- methods : Environmental Monitoring.
- Agriculture, Multivariate Analysis, Risk Assessment, Seasons, Wetlands.
Abstract
Surface sediments of Dongting Lake wetland were collected from ten sites to investigate variation trend, risk and sources of heavy metal distribution in dry seasons of 2011∼2013. The three-year mean concentrations (mg/kg) of Cr, Cu, Pb, Cd, Hg and As were 91.33, 36.27, 54.82, 4.39, 0.19 and 25.67, respectively, which were all higher than the corresponding background values. Sediment quality guidelines (SQGs) and Geo-accumulation index (Igeo) were used for the assessment of pollution level of heavy metals. The pollution risk of Cd, Hg and As were great and that of Cr needed urgent attention because of its obvious increase. Pollution load index (PLI) and geographic information system (GIS) methods were conducted to assess spatial and temporal variation of heavy metal contamination. Results confirmed an increased contamination contribution inflow from Xiang River. Multivariate statistical analyses were applied to identify contribution sources of heavy metal, which showed anthropogenic origin mainly from mining, smelting, chemical industry and agricultural activity.
DOI: 10.1080/10934529.2015.964636
PubMed: 25438136
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pubmed:25438136Le document en format XML
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China.</nlm:affiliation></affiliation></author><author><name sortKey="Liu, Jiayu" sort="Liu, Jiayu" uniqKey="Liu J" first="Jiayu" last="Liu">Jiayu Liu</name></author><author><name sortKey="Yuan, Xingzhong" sort="Yuan, Xingzhong" uniqKey="Yuan X" first="Xingzhong" last="Yuan">Xingzhong Yuan</name></author><author><name sortKey="Zeng, Guangming" sort="Zeng, Guangming" uniqKey="Zeng G" first="Guangming" last="Zeng">Guangming Zeng</name></author><author><name sortKey="Lai, Xu" sort="Lai, Xu" uniqKey="Lai X" first="Xu" last="Lai">Xu Lai</name></author><author><name sortKey="Li, Xiaodong" sort="Li, Xiaodong" uniqKey="Li X" first="Xiaodong" last="Li">Xiaodong Li</name></author><author><name sortKey="Wu, Haipeng" sort="Wu, Haipeng" uniqKey="Wu H" first="Haipeng" last="Wu">Haipeng Wu</name></author><author><name sortKey="Yuan, Yujie" sort="Yuan, Yujie" uniqKey="Yuan Y" first="Yujie" last="Yuan">Yujie Yuan</name></author><author><name sortKey="Li, Fei" sort="Li, Fei" uniqKey="Li F" first="Fei" last="Li">Fei Li</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2015">2015</date><idno type="RBID">pubmed:25438136</idno><idno type="pmid">25438136</idno><idno type="doi">10.1080/10934529.2015.964636</idno><idno type="wicri:Area/PubMed/Corpus">000111</idno><idno type="wicri:explorRef" wicri:stream="PubMed" wicri:step="Corpus" wicri:corpus="PubMed">000111</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Spatial and temporal variation of heavy metal risk and source in sediments of Dongting Lake wetland, mid-south China.</title><author><name sortKey="Liang, Jie" sort="Liang, Jie" uniqKey="Liang J" first="Jie" last="Liang">Jie Liang</name><affiliation><nlm:affiliation>a College of Environmental Science and Engineering , Hunan University , Changsha , P.R. China.</nlm:affiliation></affiliation></author><author><name sortKey="Liu, Jiayu" sort="Liu, Jiayu" uniqKey="Liu J" first="Jiayu" last="Liu">Jiayu Liu</name></author><author><name sortKey="Yuan, Xingzhong" sort="Yuan, Xingzhong" uniqKey="Yuan X" first="Xingzhong" last="Yuan">Xingzhong Yuan</name></author><author><name sortKey="Zeng, Guangming" sort="Zeng, Guangming" uniqKey="Zeng G" first="Guangming" last="Zeng">Guangming Zeng</name></author><author><name sortKey="Lai, Xu" sort="Lai, Xu" uniqKey="Lai X" first="Xu" last="Lai">Xu Lai</name></author><author><name sortKey="Li, Xiaodong" sort="Li, Xiaodong" uniqKey="Li X" first="Xiaodong" last="Li">Xiaodong Li</name></author><author><name sortKey="Wu, Haipeng" sort="Wu, Haipeng" uniqKey="Wu H" first="Haipeng" last="Wu">Haipeng Wu</name></author><author><name sortKey="Yuan, Yujie" sort="Yuan, Yujie" uniqKey="Yuan Y" first="Yujie" last="Yuan">Yujie Yuan</name></author><author><name sortKey="Li, Fei" sort="Li, Fei" uniqKey="Li F" first="Fei" last="Li">Fei Li</name></author></analytic><series><title level="j">Journal of environmental science and health. Part A, Toxic/hazardous substances & environmental engineering</title><idno type="eISSN">1532-4117</idno><imprint><date when="2015" type="published">2015</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Agriculture</term><term>China</term><term>Environmental Monitoring (methods)</term><term>Geologic Sediments (chemistry)</term><term>Lakes (chemistry)</term><term>Metals, Heavy (analysis)</term><term>Multivariate Analysis</term><term>Risk Assessment</term><term>Rivers (chemistry)</term><term>Seasons</term><term>Water Pollutants, Chemical (analysis)</term><term>Wetlands</term></keywords><keywords scheme="MESH" type="chemical" qualifier="analysis" xml:lang="en"><term>Metals, Heavy</term><term>Water Pollutants, Chemical</term></keywords><keywords scheme="MESH" type="geographic" xml:lang="en"><term>China</term></keywords><keywords scheme="MESH" qualifier="chemistry" xml:lang="en"><term>Geologic Sediments</term><term>Lakes</term><term>Rivers</term></keywords><keywords scheme="MESH" qualifier="methods" xml:lang="en"><term>Environmental Monitoring</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Agriculture</term><term>Multivariate Analysis</term><term>Risk Assessment</term><term>Seasons</term><term>Wetlands</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Surface sediments of Dongting Lake wetland were collected from ten sites to investigate variation trend, risk and sources of heavy metal distribution in dry seasons of 2011∼2013. The three-year mean concentrations (mg/kg) of Cr, Cu, Pb, Cd, Hg and As were 91.33, 36.27, 54.82, 4.39, 0.19 and 25.67, respectively, which were all higher than the corresponding background values. Sediment quality guidelines (SQGs) and Geo-accumulation index (Igeo) were used for the assessment of pollution level of heavy metals. The pollution risk of Cd, Hg and As were great and that of Cr needed urgent attention because of its obvious increase. Pollution load index (PLI) and geographic information system (GIS) methods were conducted to assess spatial and temporal variation of heavy metal contamination. Results confirmed an increased contamination contribution inflow from Xiang River. Multivariate statistical analyses were applied to identify contribution sources of heavy metal, which showed anthropogenic origin mainly from mining, smelting, chemical industry and agricultural activity.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">25438136</PMID><DateCreated><Year>2014</Year><Month>12</Month><Day>02</Day></DateCreated><DateCompleted><Year>2015</Year><Month>04</Month><Day>30</Day></DateCompleted><DateRevised><Year>2016</Year><Month>05</Month><Day>26</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Electronic">1532-4117</ISSN><JournalIssue CitedMedium="Internet"><Volume>50</Volume><Issue>1</Issue><PubDate><Year>2015</Year></PubDate></JournalIssue><Title>Journal of environmental science and health. Part A, Toxic/hazardous substances & environmental engineering</Title><ISOAbbreviation>J Environ Sci Health A Tox Hazard Subst Environ Eng</ISOAbbreviation></Journal><ArticleTitle>Spatial and temporal variation of heavy metal risk and source in sediments of Dongting Lake wetland, mid-south China.</ArticleTitle><Pagination><MedlinePgn>100-8</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1080/10934529.2015.964636</ELocationID><Abstract><AbstractText>Surface sediments of Dongting Lake wetland were collected from ten sites to investigate variation trend, risk and sources of heavy metal distribution in dry seasons of 2011∼2013. The three-year mean concentrations (mg/kg) of Cr, Cu, Pb, Cd, Hg and As were 91.33, 36.27, 54.82, 4.39, 0.19 and 25.67, respectively, which were all higher than the corresponding background values. Sediment quality guidelines (SQGs) and Geo-accumulation index (Igeo) were used for the assessment of pollution level of heavy metals. The pollution risk of Cd, Hg and As were great and that of Cr needed urgent attention because of its obvious increase. Pollution load index (PLI) and geographic information system (GIS) methods were conducted to assess spatial and temporal variation of heavy metal contamination. Results confirmed an increased contamination contribution inflow from Xiang River. Multivariate statistical analyses were applied to identify contribution sources of heavy metal, which showed anthropogenic origin mainly from mining, smelting, chemical industry and agricultural activity.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Liang</LastName><ForeName>Jie</ForeName><Initials>J</Initials><AffiliationInfo><Affiliation>a College of Environmental Science and Engineering , Hunan University , Changsha , P.R. 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