Effects of seasonal climatic variability on several toxic contaminants in urban lakes： Implications for the impacts of climate change
Climate change is supposed to have influences on water quality and ecosystem. However, only few studies have assessed the effect of climate change on environmental toxic contaminants in urban lakes. In this research, response of several toxic contaminants in twelve urban lakes in Beijing, China, to...
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| Veröffentlicht in: | Journal of environmental sciences (China) 2014-12, Vol.26 (12), p.2369-2378 |
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| creator | Wu, Qiong Xia, Xinghui Mou, Xinli Zhu, Baotong Zhao, Pujun Dong, Haiyang |
| description | Climate change is supposed to have influences on water quality and ecosystem. However, only few studies have assessed the effect of climate change on environmental toxic contaminants in urban lakes. In this research, response of several toxic contaminants in twelve urban lakes in Beijing, China, to the seasonal variations in climatic factors was studied. Fluorides, volatile phenols, arsenic, selenium, and other water quality parameters were analyzed monthly from2009 to 2012. Multivariate statistical methods including principle component analysis, cluster analysis, and multiple regression analysis were performed to study the relationship between contaminants and climatic factors including temperature, precipitation, wind speed, and sunshine duration. Fluoride and arsenic concentrations in most urban lakes exhibited a significant positive correlation with temperature/precipitation, which is mainly caused by rainfall induced diffuse pollution. A negative correlation was observed between volatile phenols and temperature/precipitation, and this could be explained by their enhanced volatilization and biodegradation rates caused by higher temperature. Selenium did not show a significant response to climatic factor variations, which was attributed to low selenium contents in the lakes and soils. Moreover, the response degrees of contaminants to climatic variations differ among lakes with different contamination levels. On average, temperature/precipitation contributed to 8%, 15%, and 12% of the variations in volatile phenols, arsenic, and fluorides,respectively. Beijing is undergoing increased temperature and heavy rainfall frequency during the past five decades. This study suggests that water quality related to fluoride and arsenic concentrations of most urban lakes in Beijing is becoming worse under this climate change trend. |
| doi_str_mv | 10.1016/j.jes.2014.04.001 |
| format | Article |
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However, only few studies have assessed the effect of climate change on environmental toxic contaminants in urban lakes. In this research, response of several toxic contaminants in twelve urban lakes in Beijing, China, to the seasonal variations in climatic factors was studied. Fluorides, volatile phenols, arsenic, selenium, and other water quality parameters were analyzed monthly from2009 to 2012. Multivariate statistical methods including principle component analysis, cluster analysis, and multiple regression analysis were performed to study the relationship between contaminants and climatic factors including temperature, precipitation, wind speed, and sunshine duration. Fluoride and arsenic concentrations in most urban lakes exhibited a significant positive correlation with temperature/precipitation, which is mainly caused by rainfall induced diffuse pollution. A negative correlation was observed between volatile phenols and temperature/precipitation, and this could be explained by their enhanced volatilization and biodegradation rates caused by higher temperature. Selenium did not show a significant response to climatic factor variations, which was attributed to low selenium contents in the lakes and soils. Moreover, the response degrees of contaminants to climatic variations differ among lakes with different contamination levels. On average, temperature/precipitation contributed to 8%, 15%, and 12% of the variations in volatile phenols, arsenic, and fluorides,respectively. Beijing is undergoing increased temperature and heavy rainfall frequency during the past five decades. This study suggests that water quality related to fluoride and arsenic concentrations of most urban lakes in Beijing is becoming worse under this climate change trend.</description><identifier>ISSN: 1001-0742</identifier><identifier>EISSN: 1878-7320</identifier><identifier>DOI: 10.1016/j.jes.2014.04.001</identifier><identifier>PMID: 25499484</identifier><language>eng</language><publisher>Netherlands: Elsevier B.V</publisher><subject>Arsenic ; Arsenic - analysis ; biodegradation ; China ; Cities ; Climate Change ; climatic factors ; Climatic variations ; cluster analysis ; Contaminants ; ecosystems ; Fluorides ; Fluorides - analysis ; lakes ; Lakes - chemistry ; nonpoint source pollution ; phenols ; Phenols - analysis ; Precipitation ; principal component analysis ; rain ; regression analysis ; seasonal variation ; Seasons ; Selenium ; Selenium - analysis ; soil ; solar radiation ; temperature ; Toxic ; toxicity ; Urban lakes ; Volatile phenols ; volatilization ; Water Pollutants, Chemical - analysis ; Water Pollution, Chemical - analysis ; Water Quality ; wind speed ; 城市湖泊 ; 多重回归分析 ; 季节性变化 ; 有毒污染物 ; 气候变化趋势 ; 气候因素 ; 水质参数 ; 温度升高</subject><ispartof>Journal of environmental sciences (China), 2014-12, Vol.26 (12), p.2369-2378</ispartof><rights>2014</rights><rights>Copyright © 2014. Published by Elsevier B.V.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c549t-4f7d7b963120e952f76d5514cbf664d61c98db1a8bd1918a0d81d8e4345dfc63</citedby><cites>FETCH-LOGICAL-c549t-4f7d7b963120e952f76d5514cbf664d61c98db1a8bd1918a0d81d8e4345dfc63</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Uhttp://image.cqvip.com/vip1000/qk/85265X/85265X.jpg</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S1001074214001740$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/25499484$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Wu, Qiong</creatorcontrib><creatorcontrib>Xia, Xinghui</creatorcontrib><creatorcontrib>Mou, Xinli</creatorcontrib><creatorcontrib>Zhu, Baotong</creatorcontrib><creatorcontrib>Zhao, Pujun</creatorcontrib><creatorcontrib>Dong, Haiyang</creatorcontrib><title>Effects of seasonal climatic variability on several toxic contaminants in urban lakes： Implications for the impacts of climate change</title><title>Journal of environmental sciences (China)</title><addtitle>Journal of Environmental Sciences</addtitle><description>Climate change is supposed to have influences on water quality and ecosystem. However, only few studies have assessed the effect of climate change on environmental toxic contaminants in urban lakes. In this research, response of several toxic contaminants in twelve urban lakes in Beijing, China, to the seasonal variations in climatic factors was studied. Fluorides, volatile phenols, arsenic, selenium, and other water quality parameters were analyzed monthly from2009 to 2012. Multivariate statistical methods including principle component analysis, cluster analysis, and multiple regression analysis were performed to study the relationship between contaminants and climatic factors including temperature, precipitation, wind speed, and sunshine duration. Fluoride and arsenic concentrations in most urban lakes exhibited a significant positive correlation with temperature/precipitation, which is mainly caused by rainfall induced diffuse pollution. A negative correlation was observed between volatile phenols and temperature/precipitation, and this could be explained by their enhanced volatilization and biodegradation rates caused by higher temperature. Selenium did not show a significant response to climatic factor variations, which was attributed to low selenium contents in the lakes and soils. Moreover, the response degrees of contaminants to climatic variations differ among lakes with different contamination levels. On average, temperature/precipitation contributed to 8%, 15%, and 12% of the variations in volatile phenols, arsenic, and fluorides,respectively. Beijing is undergoing increased temperature and heavy rainfall frequency during the past five decades. This study suggests that water quality related to fluoride and arsenic concentrations of most urban lakes in Beijing is becoming worse under this climate change trend.</description><subject>Arsenic</subject><subject>Arsenic - analysis</subject><subject>biodegradation</subject><subject>China</subject><subject>Cities</subject><subject>Climate Change</subject><subject>climatic factors</subject><subject>Climatic variations</subject><subject>cluster analysis</subject><subject>Contaminants</subject><subject>ecosystems</subject><subject>Fluorides</subject><subject>Fluorides - analysis</subject><subject>lakes</subject><subject>Lakes - chemistry</subject><subject>nonpoint source pollution</subject><subject>phenols</subject><subject>Phenols - analysis</subject><subject>Precipitation</subject><subject>principal component analysis</subject><subject>rain</subject><subject>regression analysis</subject><subject>seasonal variation</subject><subject>Seasons</subject><subject>Selenium</subject><subject>Selenium - analysis</subject><subject>soil</subject><subject>solar radiation</subject><subject>temperature</subject><subject>Toxic</subject><subject>toxicity</subject><subject>Urban lakes</subject><subject>Volatile phenols</subject><subject>volatilization</subject><subject>Water Pollutants, Chemical - analysis</subject><subject>Water Pollution, Chemical - analysis</subject><subject>Water Quality</subject><subject>wind speed</subject><subject>城市湖泊</subject><subject>多重回归分析</subject><subject>季节性变化</subject><subject>有毒污染物</subject><subject>气候变化趋势</subject><subject>气候因素</subject><subject>水质参数</subject><subject>温度升高</subject><issn>1001-0742</issn><issn>1878-7320</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqNUktuFDEUbCEQCYEDsEEWKzYz-O-2WKEoQKRIbLK33PbzjIdue2L3jJITcAfOwp24Ag4zZAmRnmTLr17VU5W77jXBS4KJfL9ZbqAuKSZ8iVth8qQ7Jb3qF4pR_LTd29MCK05Puhe1bjDGXGDxvDuhgmvNe37afb8IAdxcUQ6ogq052RG5MU52jg7tbYl2iGOc71BODbCH0vpzvm1Nl9Nsp5hsauMxoV0ZbEKj_Qb1188f6HLajtE1mpwqCrmgeQ0oTlt7VDuIAHJrm1bwsnsW7Fjh1fE8664_XVyff1lcff18ef7xauHayvOCB-XVoCUjFIMWNCjphSDcDUFK7iVxuvcDsf3giSa9xb4nvgfOuPDBSXbWvTvQbku-2UGdzRSrg3G0CfKuGto8YpRqxv4LJVJThgVV-hHQXklFBMOPgDLNdc_-LEAOUFdyrQWC2ZZmWbkzBJv7_M3GtPzNff4Gt8Kkzbw50u-GCfzDxN_AG-DDAQDN5H2EYqqLkBz4WNo_MD7Hf9K_Pa60zml1E9PqQUFKxoRWTeI3vF3NsQ</recordid><startdate>20141201</startdate><enddate>20141201</enddate><creator>Wu, Qiong</creator><creator>Xia, Xinghui</creator><creator>Mou, Xinli</creator><creator>Zhu, Baotong</creator><creator>Zhao, Pujun</creator><creator>Dong, Haiyang</creator><general>Elsevier B.V</general><scope>2RA</scope><scope>92L</scope><scope>CQIGP</scope><scope>W92</scope><scope>~WA</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>7QH</scope><scope>7ST</scope><scope>7TG</scope><scope>7TV</scope><scope>7U6</scope><scope>7U7</scope><scope>7UA</scope><scope>C1K</scope><scope>KL.</scope><scope>SOI</scope><scope>7SU</scope><scope>8FD</scope><scope>FR3</scope><scope>KR7</scope><scope>7S9</scope><scope>L.6</scope></search><sort><creationdate>20141201</creationdate><title>Effects of seasonal climatic variability on several toxic contaminants in urban lakes： Implications for the impacts of climate change</title><author>Wu, Qiong ; 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However, only few studies have assessed the effect of climate change on environmental toxic contaminants in urban lakes. In this research, response of several toxic contaminants in twelve urban lakes in Beijing, China, to the seasonal variations in climatic factors was studied. Fluorides, volatile phenols, arsenic, selenium, and other water quality parameters were analyzed monthly from2009 to 2012. Multivariate statistical methods including principle component analysis, cluster analysis, and multiple regression analysis were performed to study the relationship between contaminants and climatic factors including temperature, precipitation, wind speed, and sunshine duration. Fluoride and arsenic concentrations in most urban lakes exhibited a significant positive correlation with temperature/precipitation, which is mainly caused by rainfall induced diffuse pollution. A negative correlation was observed between volatile phenols and temperature/precipitation, and this could be explained by their enhanced volatilization and biodegradation rates caused by higher temperature. Selenium did not show a significant response to climatic factor variations, which was attributed to low selenium contents in the lakes and soils. Moreover, the response degrees of contaminants to climatic variations differ among lakes with different contamination levels. On average, temperature/precipitation contributed to 8%, 15%, and 12% of the variations in volatile phenols, arsenic, and fluorides,respectively. Beijing is undergoing increased temperature and heavy rainfall frequency during the past five decades. This study suggests that water quality related to fluoride and arsenic concentrations of most urban lakes in Beijing is becoming worse under this climate change trend.</abstract><cop>Netherlands</cop><pub>Elsevier B.V</pub><pmid>25499484</pmid><doi>10.1016/j.jes.2014.04.001</doi><tpages>10</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 1001-0742 |
| ispartof | Journal of environmental sciences (China), 2014-12, Vol.26 (12), p.2369-2378 |
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| subjects | Arsenic Arsenic - analysis biodegradation China Cities Climate Change climatic factors Climatic variations cluster analysis Contaminants ecosystems Fluorides Fluorides - analysis lakes Lakes - chemistry nonpoint source pollution phenols Phenols - analysis Precipitation principal component analysis rain regression analysis seasonal variation Seasons Selenium Selenium - analysis soil solar radiation temperature Toxic toxicity Urban lakes Volatile phenols volatilization Water Pollutants, Chemical - analysis Water Pollution, Chemical - analysis Water Quality wind speed 城市湖泊 多重回归分析 季节性变化 有毒污染物 气候变化趋势 气候因素 水质参数 温度升高 |
| title | Effects of seasonal climatic variability on several toxic contaminants in urban lakes： Implications for the impacts of climate change |
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