Black carbon and chemical characteristics of PM₁₀ and PM₂.₅ at an urban site of North India
The concentrations of PM₁₀, PM₂.₅ and their water-soluble ionic species were determined for the samples collected during January to December, 2007 at New Delhi (28.63° N, 77.18° E), India. The annual mean PM₁₀ and PM₂.₅ concentrations (± standard deviation) were about 219 (± 84) and 97 (±56) µgm⁻³ r...
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| Veröffentlicht in: | Journal of atmospheric chemistry 2009-04, Vol.62 (3), p.193-209 |
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| creator | Tiwari, Suresh Srivastava, Atul K Bisht, Deewan S Bano, Tarannum Singh, Sachchidanand Behura, Sudhamayee Srivastava, Manoj K Chate, D. M Padmanabhamurty, B |
| description | The concentrations of PM₁₀, PM₂.₅ and their water-soluble ionic species were determined for the samples collected during January to December, 2007 at New Delhi (28.63° N, 77.18° E), India. The annual mean PM₁₀ and PM₂.₅ concentrations (± standard deviation) were about 219 (± 84) and 97 (±56) µgm⁻³ respectively, about twice the prescribed Indian National Ambient Air Quality Standards values. The monthly average ratio of PM₂.₅/PM₁₀ varied between 0.18 (June) and 0.86 (February) with an annual mean of ∼0.48 (±0.2), suggesting the dominance of coarser in summer and fine size particles in winter. The difference between the concentrations of PM₁₀ and PM₂.₅, is deemed as the contribution of the coarse fraction (PM₁₀−₂.₅). The analyzed coarse fractions mainly composed of secondary inorganic aerosols species (16.0 µgm⁻³, 13.07%), mineral matter (12.32 µgm⁻³, 10.06%) and salt particles (4.92 µgm⁻³, 4.02%). PM₂.₅ are mainly made up of undetermined fractions (39.46 µgm⁻³, 40.9%), secondary inorganic aerosols (26.15 µgm⁻³, 27.1%), salt aerosols (22.48 µgm⁻³, 23.3%) and mineral matter (8.41 µgm⁻³, 8.7%). The black carbon aerosols concentrations measured at a nearby (∼300 m) location to aerosol sampling site, registered an annual mean of ∼14 (±12) µgm⁻³, which is significantly large compared to those observed at other locations in India. The source identifications are made for the ionic species in PM₁₀ and PM₂.₅. The results are discussed by way of correlations and factor analyses. The significant correlations of Cl⁻, SO ₄ ²⁻ , K⁺, Na⁺, Ca²⁺, NO ₃ ⁻ and Mg²⁺ with PM₂.₅ on one hand and Mg²⁺ with PM₁₀ on the other suggest the dominance of anthropogenic and soil origin aerosols in Delhi. |
| doi_str_mv | 10.1007/s10874-010-9148-z |
| format | Article |
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M ; Padmanabhamurty, B</creator><creatorcontrib>Tiwari, Suresh ; Srivastava, Atul K ; Bisht, Deewan S ; Bano, Tarannum ; Singh, Sachchidanand ; Behura, Sudhamayee ; Srivastava, Manoj K ; Chate, D. M ; Padmanabhamurty, B</creatorcontrib><description>The concentrations of PM₁₀, PM₂.₅ and their water-soluble ionic species were determined for the samples collected during January to December, 2007 at New Delhi (28.63° N, 77.18° E), India. The annual mean PM₁₀ and PM₂.₅ concentrations (± standard deviation) were about 219 (± 84) and 97 (±56) µgm⁻³ respectively, about twice the prescribed Indian National Ambient Air Quality Standards values. The monthly average ratio of PM₂.₅/PM₁₀ varied between 0.18 (June) and 0.86 (February) with an annual mean of ∼0.48 (±0.2), suggesting the dominance of coarser in summer and fine size particles in winter. The difference between the concentrations of PM₁₀ and PM₂.₅, is deemed as the contribution of the coarse fraction (PM₁₀−₂.₅). The analyzed coarse fractions mainly composed of secondary inorganic aerosols species (16.0 µgm⁻³, 13.07%), mineral matter (12.32 µgm⁻³, 10.06%) and salt particles (4.92 µgm⁻³, 4.02%). PM₂.₅ are mainly made up of undetermined fractions (39.46 µgm⁻³, 40.9%), secondary inorganic aerosols (26.15 µgm⁻³, 27.1%), salt aerosols (22.48 µgm⁻³, 23.3%) and mineral matter (8.41 µgm⁻³, 8.7%). The black carbon aerosols concentrations measured at a nearby (∼300 m) location to aerosol sampling site, registered an annual mean of ∼14 (±12) µgm⁻³, which is significantly large compared to those observed at other locations in India. The source identifications are made for the ionic species in PM₁₀ and PM₂.₅. The results are discussed by way of correlations and factor analyses. The significant correlations of Cl⁻, SO ₄ ²⁻ , K⁺, Na⁺, Ca²⁺, NO ₃ ⁻ and Mg²⁺ with PM₂.₅ on one hand and Mg²⁺ with PM₁₀ on the other suggest the dominance of anthropogenic and soil origin aerosols in Delhi.</description><identifier>ISSN: 0167-7764</identifier><identifier>EISSN: 1573-0662</identifier><identifier>DOI: 10.1007/s10874-010-9148-z</identifier><identifier>CODEN: JATCE2</identifier><language>eng</language><publisher>Dordrecht: Dordrecht : Springer Netherlands</publisher><subject>Aerosols ; Air quality ; Air quality standards ; Air sampling ; Anthropogenic factors ; Applied sciences ; Atmospheric pollution ; Atmospheric Protection/Air Quality Control/Air Pollution ; Atmospheric Sciences ; Black carbon ; Earth and Environmental Science ; Earth Sciences ; Earth, ocean, space ; Exact sciences and technology ; External geophysics ; Meteorology ; Particles and aerosols ; Particulate matter ; Pollutants physicochemistry study: properties, effects, reactions, transport and distribution ; Pollution ; Urban areas</subject><ispartof>Journal of atmospheric chemistry, 2009-04, Vol.62 (3), p.193-209</ispartof><rights>Springer Science+Business Media B.V. 2010</rights><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c299t-17f856fca84c9399a66aa388b5cc6bf9305c244e48b5abca34de0d2c38987bc43</citedby><cites>FETCH-LOGICAL-c299t-17f856fca84c9399a66aa388b5cc6bf9305c244e48b5abca34de0d2c38987bc43</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s10874-010-9148-z$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s10874-010-9148-z$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=22598317$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Tiwari, Suresh</creatorcontrib><creatorcontrib>Srivastava, Atul K</creatorcontrib><creatorcontrib>Bisht, Deewan S</creatorcontrib><creatorcontrib>Bano, Tarannum</creatorcontrib><creatorcontrib>Singh, Sachchidanand</creatorcontrib><creatorcontrib>Behura, Sudhamayee</creatorcontrib><creatorcontrib>Srivastava, Manoj K</creatorcontrib><creatorcontrib>Chate, D. M</creatorcontrib><creatorcontrib>Padmanabhamurty, B</creatorcontrib><title>Black carbon and chemical characteristics of PM₁₀ and PM₂.₅ at an urban site of North India</title><title>Journal of atmospheric chemistry</title><addtitle>J Atmos Chem</addtitle><description>The concentrations of PM₁₀, PM₂.₅ and their water-soluble ionic species were determined for the samples collected during January to December, 2007 at New Delhi (28.63° N, 77.18° E), India. The annual mean PM₁₀ and PM₂.₅ concentrations (± standard deviation) were about 219 (± 84) and 97 (±56) µgm⁻³ respectively, about twice the prescribed Indian National Ambient Air Quality Standards values. The monthly average ratio of PM₂.₅/PM₁₀ varied between 0.18 (June) and 0.86 (February) with an annual mean of ∼0.48 (±0.2), suggesting the dominance of coarser in summer and fine size particles in winter. The difference between the concentrations of PM₁₀ and PM₂.₅, is deemed as the contribution of the coarse fraction (PM₁₀−₂.₅). The analyzed coarse fractions mainly composed of secondary inorganic aerosols species (16.0 µgm⁻³, 13.07%), mineral matter (12.32 µgm⁻³, 10.06%) and salt particles (4.92 µgm⁻³, 4.02%). PM₂.₅ are mainly made up of undetermined fractions (39.46 µgm⁻³, 40.9%), secondary inorganic aerosols (26.15 µgm⁻³, 27.1%), salt aerosols (22.48 µgm⁻³, 23.3%) and mineral matter (8.41 µgm⁻³, 8.7%). The black carbon aerosols concentrations measured at a nearby (∼300 m) location to aerosol sampling site, registered an annual mean of ∼14 (±12) µgm⁻³, which is significantly large compared to those observed at other locations in India. The source identifications are made for the ionic species in PM₁₀ and PM₂.₅. The results are discussed by way of correlations and factor analyses. The significant correlations of Cl⁻, SO ₄ ²⁻ , K⁺, Na⁺, Ca²⁺, NO ₃ ⁻ and Mg²⁺ with PM₂.₅ on one hand and Mg²⁺ with PM₁₀ on the other suggest the dominance of anthropogenic and soil origin aerosols in Delhi.</description><subject>Aerosols</subject><subject>Air quality</subject><subject>Air quality standards</subject><subject>Air sampling</subject><subject>Anthropogenic factors</subject><subject>Applied sciences</subject><subject>Atmospheric pollution</subject><subject>Atmospheric Protection/Air Quality Control/Air Pollution</subject><subject>Atmospheric Sciences</subject><subject>Black carbon</subject><subject>Earth and Environmental Science</subject><subject>Earth Sciences</subject><subject>Earth, ocean, space</subject><subject>Exact sciences and technology</subject><subject>External geophysics</subject><subject>Meteorology</subject><subject>Particles and aerosols</subject><subject>Particulate matter</subject><subject>Pollutants physicochemistry study: properties, effects, reactions, transport and distribution</subject><subject>Pollution</subject><subject>Urban areas</subject><issn>0167-7764</issn><issn>1573-0662</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNp9kMtO3DAUhi1EJQboA3RFVKnLwPElviwp4iYBRWpZWydnHAgMCdiZBaxgpL7oPEk9BNEdG9vn-PuPrY-xbxx2OYDZSxysUSVwKB1XtnxeYxNeGVmC1mKdTYBrUxqj1QbbTOkWAKxwZsLo5wzpriCMdd8V2E0Lugn3LeEsHzAiDSG2aWgpFX1TXJ4vF6_LxcsbuCoWu8vF3wKH3Cjmsc5raoewQi_6ONwUp920xW32pcFZCl_f9y12dXT45-CkPPt1fHqwf1aScG4ouWlspRtCq8hJ51BrRGltXRHpunESKhJKBZU7WBNKNQ0wFSSts6YmJbfY93HuQ-wf5yEN_rafxy4_6Y3ioCU4kSE-QhT7lGJo_ENs7zE-eQ5-pdKPKn1W6Vcq_XPO_HgfjCmbaSJ21KaPoBCVs5KbzImRS_mquw7x_wc-G74zhhrsPV5n2_7qtwAugVshnBLyH3ZSj2k</recordid><startdate>20090401</startdate><enddate>20090401</enddate><creator>Tiwari, Suresh</creator><creator>Srivastava, Atul K</creator><creator>Bisht, Deewan S</creator><creator>Bano, Tarannum</creator><creator>Singh, Sachchidanand</creator><creator>Behura, Sudhamayee</creator><creator>Srivastava, Manoj K</creator><creator>Chate, D. 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M</au><au>Padmanabhamurty, B</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Black carbon and chemical characteristics of PM₁₀ and PM₂.₅ at an urban site of North India</atitle><jtitle>Journal of atmospheric chemistry</jtitle><stitle>J Atmos Chem</stitle><date>2009-04-01</date><risdate>2009</risdate><volume>62</volume><issue>3</issue><spage>193</spage><epage>209</epage><pages>193-209</pages><issn>0167-7764</issn><eissn>1573-0662</eissn><coden>JATCE2</coden><abstract>The concentrations of PM₁₀, PM₂.₅ and their water-soluble ionic species were determined for the samples collected during January to December, 2007 at New Delhi (28.63° N, 77.18° E), India. The annual mean PM₁₀ and PM₂.₅ concentrations (± standard deviation) were about 219 (± 84) and 97 (±56) µgm⁻³ respectively, about twice the prescribed Indian National Ambient Air Quality Standards values. The monthly average ratio of PM₂.₅/PM₁₀ varied between 0.18 (June) and 0.86 (February) with an annual mean of ∼0.48 (±0.2), suggesting the dominance of coarser in summer and fine size particles in winter. The difference between the concentrations of PM₁₀ and PM₂.₅, is deemed as the contribution of the coarse fraction (PM₁₀−₂.₅). The analyzed coarse fractions mainly composed of secondary inorganic aerosols species (16.0 µgm⁻³, 13.07%), mineral matter (12.32 µgm⁻³, 10.06%) and salt particles (4.92 µgm⁻³, 4.02%). PM₂.₅ are mainly made up of undetermined fractions (39.46 µgm⁻³, 40.9%), secondary inorganic aerosols (26.15 µgm⁻³, 27.1%), salt aerosols (22.48 µgm⁻³, 23.3%) and mineral matter (8.41 µgm⁻³, 8.7%). The black carbon aerosols concentrations measured at a nearby (∼300 m) location to aerosol sampling site, registered an annual mean of ∼14 (±12) µgm⁻³, which is significantly large compared to those observed at other locations in India. The source identifications are made for the ionic species in PM₁₀ and PM₂.₅. The results are discussed by way of correlations and factor analyses. The significant correlations of Cl⁻, SO ₄ ²⁻ , K⁺, Na⁺, Ca²⁺, NO ₃ ⁻ and Mg²⁺ with PM₂.₅ on one hand and Mg²⁺ with PM₁₀ on the other suggest the dominance of anthropogenic and soil origin aerosols in Delhi.</abstract><cop>Dordrecht</cop><pub>Dordrecht : Springer Netherlands</pub><doi>10.1007/s10874-010-9148-z</doi><tpages>17</tpages></addata></record> |
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| subjects | Aerosols Air quality Air quality standards Air sampling Anthropogenic factors Applied sciences Atmospheric pollution Atmospheric Protection/Air Quality Control/Air Pollution Atmospheric Sciences Black carbon Earth and Environmental Science Earth Sciences Earth, ocean, space Exact sciences and technology External geophysics Meteorology Particles and aerosols Particulate matter Pollutants physicochemistry study: properties, effects, reactions, transport and distribution Pollution Urban areas |
| title | Black carbon and chemical characteristics of PM₁₀ and PM₂.₅ at an urban site of North India |
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