Factors influencing atmospheric concentrations of polybrominated diphenyl ethers in Japan
We used polybrominated diphenyl ether (PBDE) data in air at 38 sites across Japan (2009–2012), which were measured by the Japan Ministry of Environment (JMOE), to elucidate the time trend and seasonality of atmospheric PBDEs. In order to address few (7% for BDE-47) to many (63% for BDE-153 and 183)...
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| Veröffentlicht in: | Chemosphere (Oxford) 2016-02, Vol.144, p.2073-2080 |
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| creator | Dien, Nguyen Thanh Hirai, Yasuhiro Miyazaki, Toru Sakai, Shin-ichi |
| description | We used polybrominated diphenyl ether (PBDE) data in air at 38 sites across Japan (2009–2012), which were measured by the Japan Ministry of Environment (JMOE), to elucidate the time trend and seasonality of atmospheric PBDEs. In order to address few (7% for BDE-47) to many (63% for BDE-153 and 183) non-detect data, Tobit model, also called a censored regression model was used. The model revealed that the concentrations of PBDE congeners were influenced by a combination of year, temperature, rainfall rate, and population density. Greater declines were observed for BDE-47, -99, -153 and -183 (−21, −25, −17, −23%/year, p |
| doi_str_mv | 10.1016/j.chemosphere.2015.10.119 |
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•Panel data analysis was performed on PBDEs in air (n = 292) in Japan from 2009 to 2012.•PBDEs in air are influenced by year, temperature, rainfall, and population density.•Statistical analysis revealed decreasing trends for BDE-47, -99, -153, -154, -183.•Light PBDE congeners increase with temperature while heavy ones show opposite trend.•Tobit model is recommended, particularly when the censoring density is large.</description><identifier>ISSN: 0045-6535</identifier><identifier>EISSN: 1879-1298</identifier><identifier>DOI: 10.1016/j.chemosphere.2015.10.119</identifier><identifier>PMID: 26583289</identifier><language>eng</language><publisher>England: Elsevier Ltd</publisher><subject>Abrasion ; Abrasion resistance ; Air Pollutants - analysis ; Atmospheric PBDE ; Atmospherics ; Congeners ; Correlation ; Environmental Monitoring ; Ethers ; Halogenated Diphenyl Ethers - analysis ; Humans ; Japan ; Non-detect value ; Panel data analysis ; Polybrominated Biphenyls - analysis ; Population Density ; Rain ; Rainfall ; Seasonal trend ; Temperature ; Temporal trend ; Tobit model ; Trends</subject><ispartof>Chemosphere (Oxford), 2016-02, Vol.144, p.2073-2080</ispartof><rights>2015 Elsevier Ltd</rights><rights>Copyright © 2015 Elsevier Ltd. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c443t-6b6b25260809a3b100bb215e0627ef2047faddc65680dd2ced1c3a26ce2fa7863</citedby><cites>FETCH-LOGICAL-c443t-6b6b25260809a3b100bb215e0627ef2047faddc65680dd2ced1c3a26ce2fa7863</cites><orcidid>0000-0002-0178-2089</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.chemosphere.2015.10.119$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>315,781,785,3551,27929,27930,46000</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/26583289$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Dien, Nguyen Thanh</creatorcontrib><creatorcontrib>Hirai, Yasuhiro</creatorcontrib><creatorcontrib>Miyazaki, Toru</creatorcontrib><creatorcontrib>Sakai, Shin-ichi</creatorcontrib><title>Factors influencing atmospheric concentrations of polybrominated diphenyl ethers in Japan</title><title>Chemosphere (Oxford)</title><addtitle>Chemosphere</addtitle><description>We used polybrominated diphenyl ether (PBDE) data in air at 38 sites across Japan (2009–2012), which were measured by the Japan Ministry of Environment (JMOE), to elucidate the time trend and seasonality of atmospheric PBDEs. In order to address few (7% for BDE-47) to many (63% for BDE-153 and 183) non-detect data, Tobit model, also called a censored regression model was used. The model revealed that the concentrations of PBDE congeners were influenced by a combination of year, temperature, rainfall rate, and population density. Greater declines were observed for BDE-47, -99, -153 and -183 (−21, −25, −17, −23%/year, p < 0.05) than for BDE-209 (−6%/year, p = 0.065). These trends were consistent with the estimated trends of penta-, octa- and deca-BDE contained in in-use products based on domestic demand for PBDEs in Japan and product lifespan. Seasonal patterns were opposite for light congeners (BDE-47 and -99), which increased with temperature, and heavy congeners (BDE-183, and -209), which decreased with temperature. Temperature-dependent emission (evaporation) for light congeners and temperature-independent emission (abrasion) for heavy congeners, coupled with seasonality of atmospheric boundary layer height, might explain these seasonal patterns. Human population density showed a positive correlation with all PBDE congener concentrations, whereas PBDEs showed negative correlation with rainfall rate.
•Panel data analysis was performed on PBDEs in air (n = 292) in Japan from 2009 to 2012.•PBDEs in air are influenced by year, temperature, rainfall, and population density.•Statistical analysis revealed decreasing trends for BDE-47, -99, -153, -154, -183.•Light PBDE congeners increase with temperature while heavy ones show opposite trend.•Tobit model is recommended, particularly when the censoring density is large.</description><subject>Abrasion</subject><subject>Abrasion resistance</subject><subject>Air Pollutants - analysis</subject><subject>Atmospheric PBDE</subject><subject>Atmospherics</subject><subject>Congeners</subject><subject>Correlation</subject><subject>Environmental Monitoring</subject><subject>Ethers</subject><subject>Halogenated Diphenyl Ethers - analysis</subject><subject>Humans</subject><subject>Japan</subject><subject>Non-detect value</subject><subject>Panel data analysis</subject><subject>Polybrominated Biphenyls - analysis</subject><subject>Population Density</subject><subject>Rain</subject><subject>Rainfall</subject><subject>Seasonal trend</subject><subject>Temperature</subject><subject>Temporal trend</subject><subject>Tobit model</subject><subject>Trends</subject><issn>0045-6535</issn><issn>1879-1298</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqNkU2P0zAURS0EYsrAX0Bhxybl2Ykde4kqhg-NxAYWrCzHfmFcJXawXaT--3FpQSy78uKde6_kQ8gbClsKVLzbb-0DLjGvD5hwy4Dy7elE1ROyoXJQLWVKPiUbgJ63gnf8hrzIeQ9Qw1w9JzdMcNkxqTbkx52xJabc-DDNBwzWh5-NKZdybxsbg8VQkik-htzEqVnjfBxTXHwwBV3jfCXDcW6w1MSpqPliVhNekmeTmTO-ury35Pvdh2-7T-3914-fd-_vW9v3XWnFKEbGmQAJynQjBRhHRjmCYANODPphMs5ZwYUE55hFR21nmLDIJjNI0d2St-feNcVfB8xFLz5bnGcTMB6ypoPkdaAHeQUqWMc57YcrUF7RTgmoqDqjNsWcE056TX4x6agp6JMvvdf_-dInX39OVNXs68vMYVzQ_Uv-FVSB3RnA-oW_PSadra-a0PmEtmgX_RUzj_2nraY</recordid><startdate>201602</startdate><enddate>201602</enddate><creator>Dien, Nguyen Thanh</creator><creator>Hirai, Yasuhiro</creator><creator>Miyazaki, Toru</creator><creator>Sakai, Shin-ichi</creator><general>Elsevier Ltd</general><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>7ST</scope><scope>7TG</scope><scope>7U7</scope><scope>C1K</scope><scope>KL.</scope><scope>SOI</scope><scope>7SU</scope><scope>8FD</scope><scope>FR3</scope><scope>KR7</scope><orcidid>https://orcid.org/0000-0002-0178-2089</orcidid></search><sort><creationdate>201602</creationdate><title>Factors influencing atmospheric concentrations of polybrominated diphenyl ethers in Japan</title><author>Dien, Nguyen Thanh ; Hirai, Yasuhiro ; Miyazaki, Toru ; Sakai, Shin-ichi</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c443t-6b6b25260809a3b100bb215e0627ef2047faddc65680dd2ced1c3a26ce2fa7863</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>Abrasion</topic><topic>Abrasion resistance</topic><topic>Air Pollutants - analysis</topic><topic>Atmospheric PBDE</topic><topic>Atmospherics</topic><topic>Congeners</topic><topic>Correlation</topic><topic>Environmental Monitoring</topic><topic>Ethers</topic><topic>Halogenated Diphenyl Ethers - analysis</topic><topic>Humans</topic><topic>Japan</topic><topic>Non-detect value</topic><topic>Panel data analysis</topic><topic>Polybrominated Biphenyls - analysis</topic><topic>Population Density</topic><topic>Rain</topic><topic>Rainfall</topic><topic>Seasonal trend</topic><topic>Temperature</topic><topic>Temporal trend</topic><topic>Tobit model</topic><topic>Trends</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Dien, Nguyen Thanh</creatorcontrib><creatorcontrib>Hirai, Yasuhiro</creatorcontrib><creatorcontrib>Miyazaki, Toru</creatorcontrib><creatorcontrib>Sakai, Shin-ichi</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>Environment Abstracts</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Toxicology Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><collection>Environment Abstracts</collection><collection>Environmental Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Civil Engineering Abstracts</collection><jtitle>Chemosphere (Oxford)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Dien, Nguyen Thanh</au><au>Hirai, Yasuhiro</au><au>Miyazaki, Toru</au><au>Sakai, Shin-ichi</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Factors influencing atmospheric concentrations of polybrominated diphenyl ethers in Japan</atitle><jtitle>Chemosphere (Oxford)</jtitle><addtitle>Chemosphere</addtitle><date>2016-02</date><risdate>2016</risdate><volume>144</volume><spage>2073</spage><epage>2080</epage><pages>2073-2080</pages><issn>0045-6535</issn><eissn>1879-1298</eissn><abstract>We used polybrominated diphenyl ether (PBDE) data in air at 38 sites across Japan (2009–2012), which were measured by the Japan Ministry of Environment (JMOE), to elucidate the time trend and seasonality of atmospheric PBDEs. In order to address few (7% for BDE-47) to many (63% for BDE-153 and 183) non-detect data, Tobit model, also called a censored regression model was used. The model revealed that the concentrations of PBDE congeners were influenced by a combination of year, temperature, rainfall rate, and population density. Greater declines were observed for BDE-47, -99, -153 and -183 (−21, −25, −17, −23%/year, p < 0.05) than for BDE-209 (−6%/year, p = 0.065). These trends were consistent with the estimated trends of penta-, octa- and deca-BDE contained in in-use products based on domestic demand for PBDEs in Japan and product lifespan. Seasonal patterns were opposite for light congeners (BDE-47 and -99), which increased with temperature, and heavy congeners (BDE-183, and -209), which decreased with temperature. Temperature-dependent emission (evaporation) for light congeners and temperature-independent emission (abrasion) for heavy congeners, coupled with seasonality of atmospheric boundary layer height, might explain these seasonal patterns. Human population density showed a positive correlation with all PBDE congener concentrations, whereas PBDEs showed negative correlation with rainfall rate.
•Panel data analysis was performed on PBDEs in air (n = 292) in Japan from 2009 to 2012.•PBDEs in air are influenced by year, temperature, rainfall, and population density.•Statistical analysis revealed decreasing trends for BDE-47, -99, -153, -154, -183.•Light PBDE congeners increase with temperature while heavy ones show opposite trend.•Tobit model is recommended, particularly when the censoring density is large.</abstract><cop>England</cop><pub>Elsevier Ltd</pub><pmid>26583289</pmid><doi>10.1016/j.chemosphere.2015.10.119</doi><tpages>8</tpages><orcidid>https://orcid.org/0000-0002-0178-2089</orcidid></addata></record> |
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| subjects | Abrasion Abrasion resistance Air Pollutants - analysis Atmospheric PBDE Atmospherics Congeners Correlation Environmental Monitoring Ethers Halogenated Diphenyl Ethers - analysis Humans Japan Non-detect value Panel data analysis Polybrominated Biphenyls - analysis Population Density Rain Rainfall Seasonal trend Temperature Temporal trend Tobit model Trends |
| title | Factors influencing atmospheric concentrations of polybrominated diphenyl ethers in Japan |
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