Source contributions of Polycyclic Aromatic Hydrocarbons in soils around oilfield in the Brahmaputra Valley
Surface soils from Borholla oilfield in the upper Brahmaputra Valley in India were studied for the USEPA's 16 priority Polycyclic Aromatic Hydrocarbons (PAHs). Analysis of PAHs was carried out by high performance liquid chromatography (HPLC) system equipped with an UV detector. Seasonality in P...
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| Veröffentlicht in: | Ecotoxicology and environmental safety 2016-11, Vol.133, p.281-289 |
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| creator | Deka, Jinu Sarma, Kali Prasad Hoque, Raza Rafiqul |
| description | Surface soils from Borholla oilfield in the upper Brahmaputra Valley in India were studied for the USEPA's 16 priority Polycyclic Aromatic Hydrocarbons (PAHs). Analysis of PAHs was carried out by high performance liquid chromatography (HPLC) system equipped with an UV detector. Seasonality in PAHs concentrations was evident and the concentrations were found to be greater in post-monsoon season. There has been a dominance of low molecular weight PAHs (80–90% of total PAHs) indicating recent deposition from combustion sources. The concentration profiles appeared in the decreasing order of 3-ring >2-ring >4-ring >5-ring >6 ring PAHs. The sources of PAHs were identified using isomer pair ratios and Principal Component Analysis-Multiple Linear Regression (PCA-MLR) and Positive Matrix Factorisation (PMF). The ratios of diagnostic pairs indicated for both pyrogenic and petrogenic input of PAHs. The PCA-MLR modelling revealed that the |
| doi_str_mv | 10.1016/j.ecoenv.2016.07.031 |
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•First study on soil PAHs of soils around oilfield of Brahmaputra Valley.•Seasonality of PAHs concentrations observed.•Long range transport and inversion conditions enhance deposition of PAHs on soil.•PCA-MLR and PMF assessment reveal lesser petrogenic (<20%) contribution.•Association of BC and PAHs supports greater pyrogenic contribution.</description><identifier>ISSN: 0147-6513</identifier><identifier>EISSN: 1090-2414</identifier><identifier>DOI: 10.1016/j.ecoenv.2016.07.031</identifier><identifier>PMID: 27479772</identifier><language>eng</language><publisher>Netherlands: Elsevier Inc</publisher><subject>Environmental Monitoring ; India ; Linear Models ; Models, Theoretical ; Oil and Gas Fields - chemistry ; Oilfield soil ; PAHs ; PCA-MLR ; PMF ; Polycyclic Aromatic Hydrocarbons - chemistry ; Principal Component Analysis ; Seasons ; Soil - chemistry ; Soil Pollutants - chemistry ; Source apportionment</subject><ispartof>Ecotoxicology and environmental safety, 2016-11, Vol.133, p.281-289</ispartof><rights>2016 Elsevier Inc.</rights><rights>Copyright © 2016 Elsevier Inc. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c395t-1994a926d575f7bf38c24d54259d978174cc14f32d9b7d5c26c060656896ccaf3</citedby><cites>FETCH-LOGICAL-c395t-1994a926d575f7bf38c24d54259d978174cc14f32d9b7d5c26c060656896ccaf3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.ecoenv.2016.07.031$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/27479772$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Deka, Jinu</creatorcontrib><creatorcontrib>Sarma, Kali Prasad</creatorcontrib><creatorcontrib>Hoque, Raza Rafiqul</creatorcontrib><title>Source contributions of Polycyclic Aromatic Hydrocarbons in soils around oilfield in the Brahmaputra Valley</title><title>Ecotoxicology and environmental safety</title><addtitle>Ecotoxicol Environ Saf</addtitle><description>Surface soils from Borholla oilfield in the upper Brahmaputra Valley in India were studied for the USEPA's 16 priority Polycyclic Aromatic Hydrocarbons (PAHs). Analysis of PAHs was carried out by high performance liquid chromatography (HPLC) system equipped with an UV detector. Seasonality in PAHs concentrations was evident and the concentrations were found to be greater in post-monsoon season. There has been a dominance of low molecular weight PAHs (80–90% of total PAHs) indicating recent deposition from combustion sources. The concentration profiles appeared in the decreasing order of 3-ring >2-ring >4-ring >5-ring >6 ring PAHs. The sources of PAHs were identified using isomer pair ratios and Principal Component Analysis-Multiple Linear Regression (PCA-MLR) and Positive Matrix Factorisation (PMF). The ratios of diagnostic pairs indicated for both pyrogenic and petrogenic input of PAHs. The PCA-MLR modelling revealed that the <16% of contribution came from petrogenic origin and the rest 85% was found to be from pyrogenic sources. The PMF model also shown that <19% of PAHs source were petrogenic origin whereas rest from pyrogenic origin. The correlations of black carbon (BC) with PAHs also supported the pyrogenic contribution. The analysis of air mass back trajectories revealed that there has been contribution of both local and distant sources, through long range transport of pollutants, which were deposited to the site.
•First study on soil PAHs of soils around oilfield of Brahmaputra Valley.•Seasonality of PAHs concentrations observed.•Long range transport and inversion conditions enhance deposition of PAHs on soil.•PCA-MLR and PMF assessment reveal lesser petrogenic (<20%) contribution.•Association of BC and PAHs supports greater pyrogenic contribution.</description><subject>Environmental Monitoring</subject><subject>India</subject><subject>Linear Models</subject><subject>Models, Theoretical</subject><subject>Oil and Gas Fields - chemistry</subject><subject>Oilfield soil</subject><subject>PAHs</subject><subject>PCA-MLR</subject><subject>PMF</subject><subject>Polycyclic Aromatic Hydrocarbons - chemistry</subject><subject>Principal Component Analysis</subject><subject>Seasons</subject><subject>Soil - chemistry</subject><subject>Soil Pollutants - chemistry</subject><subject>Source apportionment</subject><issn>0147-6513</issn><issn>1090-2414</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp9kE1v1DAQQC0EokvpP0DIRy4JtmPH8QWpVP1AqgQS0KvljCeqFyde7KRS_j1ZbeHIaWY0b2Y0j5B3nNWc8fbjvkZIOD3VYqtqpmvW8Bdkx5lhlZBcviQ7xqWuWsWbM_KmlD1jrGFKvSZnQktttBY78ut7WjIghTTNOfTLHNJUaBrotxRXWCEGoJc5jW7ekrvV5wQu90cmTLSkEAt1OS2Tp1s-BIz-2JgfkX7O7nF0h2XOjj64GHF9S14NLha8eI7n5OfN9Y-ru-r-6-2Xq8v7Chqj5oobI50RrVdaDbofmg6E9EoKZbzRHdcSgMuhEd702isQLbCWtartTAvghuacfDjtPeT0e8Ey2zEUwBjdhGkplndCG94Z0WyoPKGQUykZB3vIYXR5tZzZo2a7tyfN9qjZMm03zdvY--cLSz-i_zf01-sGfDoBuP35FDDbAgEnQB8ywmx9Cv-_8Aek4pFL</recordid><startdate>201611</startdate><enddate>201611</enddate><creator>Deka, Jinu</creator><creator>Sarma, Kali Prasad</creator><creator>Hoque, Raza Rafiqul</creator><general>Elsevier Inc</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>7ST</scope><scope>7TV</scope><scope>7U7</scope><scope>C1K</scope><scope>SOI</scope></search><sort><creationdate>201611</creationdate><title>Source contributions of Polycyclic Aromatic Hydrocarbons in soils around oilfield in the Brahmaputra Valley</title><author>Deka, Jinu ; Sarma, Kali Prasad ; Hoque, Raza Rafiqul</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c395t-1994a926d575f7bf38c24d54259d978174cc14f32d9b7d5c26c060656896ccaf3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>Environmental Monitoring</topic><topic>India</topic><topic>Linear Models</topic><topic>Models, Theoretical</topic><topic>Oil and Gas Fields - chemistry</topic><topic>Oilfield soil</topic><topic>PAHs</topic><topic>PCA-MLR</topic><topic>PMF</topic><topic>Polycyclic Aromatic Hydrocarbons - chemistry</topic><topic>Principal Component Analysis</topic><topic>Seasons</topic><topic>Soil - chemistry</topic><topic>Soil Pollutants - chemistry</topic><topic>Source apportionment</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Deka, Jinu</creatorcontrib><creatorcontrib>Sarma, Kali Prasad</creatorcontrib><creatorcontrib>Hoque, Raza Rafiqul</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Environment Abstracts</collection><collection>Pollution Abstracts</collection><collection>Toxicology Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Environment Abstracts</collection><jtitle>Ecotoxicology and environmental safety</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Deka, Jinu</au><au>Sarma, Kali Prasad</au><au>Hoque, Raza Rafiqul</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Source contributions of Polycyclic Aromatic Hydrocarbons in soils around oilfield in the Brahmaputra Valley</atitle><jtitle>Ecotoxicology and environmental safety</jtitle><addtitle>Ecotoxicol Environ Saf</addtitle><date>2016-11</date><risdate>2016</risdate><volume>133</volume><spage>281</spage><epage>289</epage><pages>281-289</pages><issn>0147-6513</issn><eissn>1090-2414</eissn><abstract>Surface soils from Borholla oilfield in the upper Brahmaputra Valley in India were studied for the USEPA's 16 priority Polycyclic Aromatic Hydrocarbons (PAHs). Analysis of PAHs was carried out by high performance liquid chromatography (HPLC) system equipped with an UV detector. Seasonality in PAHs concentrations was evident and the concentrations were found to be greater in post-monsoon season. There has been a dominance of low molecular weight PAHs (80–90% of total PAHs) indicating recent deposition from combustion sources. The concentration profiles appeared in the decreasing order of 3-ring >2-ring >4-ring >5-ring >6 ring PAHs. The sources of PAHs were identified using isomer pair ratios and Principal Component Analysis-Multiple Linear Regression (PCA-MLR) and Positive Matrix Factorisation (PMF). The ratios of diagnostic pairs indicated for both pyrogenic and petrogenic input of PAHs. The PCA-MLR modelling revealed that the <16% of contribution came from petrogenic origin and the rest 85% was found to be from pyrogenic sources. The PMF model also shown that <19% of PAHs source were petrogenic origin whereas rest from pyrogenic origin. The correlations of black carbon (BC) with PAHs also supported the pyrogenic contribution. The analysis of air mass back trajectories revealed that there has been contribution of both local and distant sources, through long range transport of pollutants, which were deposited to the site.
•First study on soil PAHs of soils around oilfield of Brahmaputra Valley.•Seasonality of PAHs concentrations observed.•Long range transport and inversion conditions enhance deposition of PAHs on soil.•PCA-MLR and PMF assessment reveal lesser petrogenic (<20%) contribution.•Association of BC and PAHs supports greater pyrogenic contribution.</abstract><cop>Netherlands</cop><pub>Elsevier Inc</pub><pmid>27479772</pmid><doi>10.1016/j.ecoenv.2016.07.031</doi><tpages>9</tpages></addata></record> |
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| subjects | Environmental Monitoring India Linear Models Models, Theoretical Oil and Gas Fields - chemistry Oilfield soil PAHs PCA-MLR PMF Polycyclic Aromatic Hydrocarbons - chemistry Principal Component Analysis Seasons Soil - chemistry Soil Pollutants - chemistry Source apportionment |
| title | Source contributions of Polycyclic Aromatic Hydrocarbons in soils around oilfield in the Brahmaputra Valley |
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