Source Attribution of Submicron Organic Aerosols during Wintertime Inversions by Advanced Factor Analysis of Aerosol Mass Spectra
Real-time measurements of submicrometer aerosol were performed using an Aerodyne aerosol mass spectrometer (AMS) during three weeks at an urban background site in Zurich (Switzerland) in January 2006. A hybrid receptor model which incorporates a priori known source composition was applied to the AMS...
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| Veröffentlicht in: | Environmental science & technology 2008-01, Vol.42 (1), p.214-220 |
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| creator | Lanz, Valentin A Alfarra, M. Rami Baltensperger, Urs Buchmann, Brigitte Hueglin, Christoph Szidat, Sönke Wehrli, Miriam N Wacker, Lukas Weimer, Silke Caseiro, Alexandre Puxbaum, Hans Prevot, Andre S. H |
| description | Real-time measurements of submicrometer aerosol were performed using an Aerodyne aerosol mass spectrometer (AMS) during three weeks at an urban background site in Zurich (Switzerland) in January 2006. A hybrid receptor model which incorporates a priori known source composition was applied to the AMS highly time-resolved organic aerosol mass spectra. Three sources and components of submicrometer organic aerosols were identified: the major component was oxygenated organic aerosol (OOA), mostly representing secondary organic aerosol and accounting on average for 52–57% of the particulate organic mass. Radiocarbon (14C) measurements of organic carbon (OC) indicated that ∼31 and ∼69% of OOA originated from fossil and nonfossil sources, respectively. OOA estimates were strongly correlated with measured particulate ammonium. Particles from wood combustion (35–40%) and 3–13% traffic-related hydrocarbon-like organic aerosol (HOA) accounted for the other half of measured organic matter (OM). Emission ratios of modeled HOA to measured nitrogen oxides (NO x ) and OM from wood burning to levoglucosan from filter analyses were found to be consistent with literature values. |
| doi_str_mv | 10.1021/es0707207 |
| format | Article |
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Rami ; Baltensperger, Urs ; Buchmann, Brigitte ; Hueglin, Christoph ; Szidat, Sönke ; Wehrli, Miriam N ; Wacker, Lukas ; Weimer, Silke ; Caseiro, Alexandre ; Puxbaum, Hans ; Prevot, Andre S. H</creator><creatorcontrib>Lanz, Valentin A ; Alfarra, M. Rami ; Baltensperger, Urs ; Buchmann, Brigitte ; Hueglin, Christoph ; Szidat, Sönke ; Wehrli, Miriam N ; Wacker, Lukas ; Weimer, Silke ; Caseiro, Alexandre ; Puxbaum, Hans ; Prevot, Andre S. H</creatorcontrib><description>Real-time measurements of submicrometer aerosol were performed using an Aerodyne aerosol mass spectrometer (AMS) during three weeks at an urban background site in Zurich (Switzerland) in January 2006. A hybrid receptor model which incorporates a priori known source composition was applied to the AMS highly time-resolved organic aerosol mass spectra. Three sources and components of submicrometer organic aerosols were identified: the major component was oxygenated organic aerosol (OOA), mostly representing secondary organic aerosol and accounting on average for 52–57% of the particulate organic mass. Radiocarbon (14C) measurements of organic carbon (OC) indicated that ∼31 and ∼69% of OOA originated from fossil and nonfossil sources, respectively. OOA estimates were strongly correlated with measured particulate ammonium. Particles from wood combustion (35–40%) and 3–13% traffic-related hydrocarbon-like organic aerosol (HOA) accounted for the other half of measured organic matter (OM). Emission ratios of modeled HOA to measured nitrogen oxides (NO x ) and OM from wood burning to levoglucosan from filter analyses were found to be consistent with literature values.</description><identifier>ISSN: 0013-936X</identifier><identifier>EISSN: 1520-5851</identifier><identifier>DOI: 10.1021/es0707207</identifier><identifier>PMID: 18350899</identifier><identifier>CODEN: ESTHAG</identifier><language>eng</language><publisher>Washington, DC: American Chemical Society</publisher><subject>Aerosols ; Air Pollutants - analysis ; Airborne particulates ; Applied sciences ; Atmospheric aerosols ; Carbon Monoxide - analysis ; Emissions ; Environmental Modeling ; Environmental monitoring ; Environmental Monitoring - statistics & numerical data ; Exact sciences and technology ; Factor Analysis, Statistical ; Hydrocarbons - analysis ; Isotopes ; Mass Spectrometry ; Measurement ; Nitric oxide ; Nitrogen Oxides - analysis ; Particle Size ; Pollution ; Quaternary Ammonium Compounds - analysis ; Seasons ; Switzerland ; Vehicle Emissions ; Wood</subject><ispartof>Environmental science & technology, 2008-01, Vol.42 (1), p.214-220</ispartof><rights>Copyright © 2008 American Chemical Society</rights><rights>2008 INIST-CNRS</rights><rights>Copyright American Chemical Society Jan 1, 2008</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a505t-85988bdcb955d5a3993c7477a943c5dd0d3e3f51cc5b6033139dabd993c8176b3</citedby><cites>FETCH-LOGICAL-a505t-85988bdcb955d5a3993c7477a943c5dd0d3e3f51cc5b6033139dabd993c8176b3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://pubs.acs.org/doi/pdf/10.1021/es0707207$$EPDF$$P50$$Gacs$$H</linktopdf><linktohtml>$$Uhttps://pubs.acs.org/doi/10.1021/es0707207$$EHTML$$P50$$Gacs$$H</linktohtml><link.rule.ids>314,776,780,2752,27053,27901,27902,56713,56763</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=19972762$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/18350899$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Lanz, Valentin A</creatorcontrib><creatorcontrib>Alfarra, M. Rami</creatorcontrib><creatorcontrib>Baltensperger, Urs</creatorcontrib><creatorcontrib>Buchmann, Brigitte</creatorcontrib><creatorcontrib>Hueglin, Christoph</creatorcontrib><creatorcontrib>Szidat, Sönke</creatorcontrib><creatorcontrib>Wehrli, Miriam N</creatorcontrib><creatorcontrib>Wacker, Lukas</creatorcontrib><creatorcontrib>Weimer, Silke</creatorcontrib><creatorcontrib>Caseiro, Alexandre</creatorcontrib><creatorcontrib>Puxbaum, Hans</creatorcontrib><creatorcontrib>Prevot, Andre S. H</creatorcontrib><title>Source Attribution of Submicron Organic Aerosols during Wintertime Inversions by Advanced Factor Analysis of Aerosol Mass Spectra</title><title>Environmental science & technology</title><addtitle>Environ. Sci. Technol</addtitle><description>Real-time measurements of submicrometer aerosol were performed using an Aerodyne aerosol mass spectrometer (AMS) during three weeks at an urban background site in Zurich (Switzerland) in January 2006. A hybrid receptor model which incorporates a priori known source composition was applied to the AMS highly time-resolved organic aerosol mass spectra. Three sources and components of submicrometer organic aerosols were identified: the major component was oxygenated organic aerosol (OOA), mostly representing secondary organic aerosol and accounting on average for 52–57% of the particulate organic mass. Radiocarbon (14C) measurements of organic carbon (OC) indicated that ∼31 and ∼69% of OOA originated from fossil and nonfossil sources, respectively. OOA estimates were strongly correlated with measured particulate ammonium. Particles from wood combustion (35–40%) and 3–13% traffic-related hydrocarbon-like organic aerosol (HOA) accounted for the other half of measured organic matter (OM). 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A hybrid receptor model which incorporates a priori known source composition was applied to the AMS highly time-resolved organic aerosol mass spectra. Three sources and components of submicrometer organic aerosols were identified: the major component was oxygenated organic aerosol (OOA), mostly representing secondary organic aerosol and accounting on average for 52–57% of the particulate organic mass. Radiocarbon (14C) measurements of organic carbon (OC) indicated that ∼31 and ∼69% of OOA originated from fossil and nonfossil sources, respectively. OOA estimates were strongly correlated with measured particulate ammonium. Particles from wood combustion (35–40%) and 3–13% traffic-related hydrocarbon-like organic aerosol (HOA) accounted for the other half of measured organic matter (OM). 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| subjects | Aerosols Air Pollutants - analysis Airborne particulates Applied sciences Atmospheric aerosols Carbon Monoxide - analysis Emissions Environmental Modeling Environmental monitoring Environmental Monitoring - statistics & numerical data Exact sciences and technology Factor Analysis, Statistical Hydrocarbons - analysis Isotopes Mass Spectrometry Measurement Nitric oxide Nitrogen Oxides - analysis Particle Size Pollution Quaternary Ammonium Compounds - analysis Seasons Switzerland Vehicle Emissions Wood |
| title | Source Attribution of Submicron Organic Aerosols during Wintertime Inversions by Advanced Factor Analysis of Aerosol Mass Spectra |
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