Characterization of urban aerosol in Cork city (Ireland) using aerosol mass spectrometry

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dc.contributor.author Dall'Osto, M.
dc.contributor.author Ovadnevaite, J.
dc.contributor.author Ceburnis, D.
dc.contributor.author Martin, D.
dc.contributor.author Healy, Robert M.
dc.contributor.author O'Connor, Ian P.
dc.contributor.author Kourtchev, Ivan
dc.contributor.author Sodeau, John R.
dc.contributor.author Wenger, John C.
dc.contributor.author O'Dowd, Colin D.
dc.date.accessioned 2016-07-28T12:31:01Z
dc.date.available 2016-07-28T12:31:01Z
dc.date.issued 2013-05-15
dc.identifier.citation Dall'Osto, M., Ovadnevaite, J., Ceburnis, D., Martin, D., Healy, R.M., O'Connor, I.P., Kourtchev, I., Sodeau, J.R., Wenger, J.C. and O'Dowd, C. (2013) 'Characterization of urban aerosol in Cork city (Ireland) using aerosol mass spectrometry', Atmospheric Chemistry and Physics, 13, pp. 4997–5015. doi: 10.5194/acp-13-4997-2013 en
dc.identifier.volume 13 en
dc.identifier.startpage 4997 en
dc.identifier.endpage 5015 en
dc.identifier.issn 1680-73161680-7316
dc.identifier.uri http://hdl.handle.net/10468/2946
dc.identifier.doi 10.5194/acp-13-4997-2013
dc.description.abstract Ambient wintertime background urban aerosol in Cork city, Ireland, was characterized using aerosol mass spectrometry. During the three-week measurement study in 2009, 93% of the ca. 1 350 000 single particles characterized by an Aerosol Time-of-Flight Mass Spectrometer (TSI ATOFMS) were classified into five organic-rich particle types, internally mixed to different proportions with elemental carbon (EC), sulphate and nitrate, while the remaining 7% was predominantly inorganic in nature. Non-refractory PM1 aerosol was characterized using a High Resolution Time-of-Flight Aerosol Mass Spectrometer (Aerodyne HR-ToF-AMS) and was also found to comprise organic aerosol as the most abundant species (62 %), followed by nitrate (15 %), sulphate (9 %) and ammonium (9 %), and chloride (5 %). Positive matrix factorization (PMF) was applied to the HR-ToF-AMS organic matrix, and a five-factor solution was found to describe the variance in the data well. Specifically, "hydrocarbon-like" organic aerosol (HOA) comprised 20% of the mass, "low-volatility" oxygenated organic aerosol (LV-OOA) comprised 18 %, "biomass burning" organic aerosol (BBOA) comprised 23 %, non-wood solid-fuel combustion "peat and coal" organic aerosol (PCOA) comprised 21 %, and finally a species type characterized by primary m/z peaks at 41 and 55, similar to previously reported "cooking" organic aerosol (COA), but possessing different diurnal variations to what would be expected for cooking activities, contributed 18 %. Correlations between the different particle types obtained by the two aerosol mass spectrometers are also discussed. Despite wood, coal and peat being minor fuel types used for domestic space heating in urban areas, their relatively low combustion efficiencies result in a significant contribution to PM1 aerosol mass (44% and 28% of the total organic aerosol mass and non-refractory total PM1, respectively).Ambient wintertime background urban aerosol in Cork city, Ireland, was characterized using aerosol mass spectrometry. During the three-week measurement study in 2009, 93% of the ca. 1 350 000 single particles characterized by an Aerosol Time-of-Flight Mass Spectrometer (TSI ATOFMS) were classified into five organic-rich particle types, internally mixed to different proportions with elemental carbon (EC), sulphate and nitrate, while the remaining 7% was predominantly inorganic in nature. Non-refractory PM1 aerosol was characterized using a High Resolution Time-of-Flight Aerosol Mass Spectrometer (Aerodyne HR-ToF-AMS) and was also found to comprise organic aerosol as the most abundant species (62 %), followed by nitrate (15 %), sulphate (9 %) and ammonium (9 %), and chloride (5 %). Positive matrix factorization (PMF) was applied to the HR-ToF-AMS organic matrix, and a five-factor solution was found to describe the variance in the data well. Specifically, "hydrocarbon-like" organic aerosol (HOA) comprised 20% of the mass, "low-volatility" oxygenated organic aerosol (LV-OOA) comprised 18 %, "biomass burning" organic aerosol (BBOA) comprised 23 %, non-wood solid-fuel combustion "peat and coal" organic aerosol (PCOA) comprised 21 %, and finally a species type characterized by primary m/z peaks at 41 and 55, similar to previously reported "cooking" organic aerosol (COA), but possessing different diurnal variations to what would be expected for cooking activities, contributed 18 %. Correlations between the different particle types obtained by the two aerosol mass spectrometers are also discussed. Despite wood, coal and peat being minor fuel types used for domestic space heating in urban areas, their relatively low combustion efficiencies result in a significant contribution to PM1 aerosol mass (44% and 28% of the total organic aerosol mass and non-refractory total PM1, respectively). en
dc.description.sponsorship Higher Education Authority (PRTLI Cycle V) en
dc.format.mimetype application/pdf en
dc.language.iso en en
dc.publisher Copernicus Publications on behalf of the European Geosciences Union (EGU) en
dc.rights © 2013, the Authors. This work is distributed under the Creative Commons Attribution 3.0 License. en
dc.rights.uri https://creativecommons.org/licenses/by/3.0/ en
dc.subject Aerosol en
dc.subject Aerosol composition en
dc.subject Mass spectrometry en
dc.subject Measurement method en
dc.subject Urban atmosphere en
dc.subject Cork en
dc.subject Ireland en
dc.subject Munster en
dc.title Characterization of urban aerosol in Cork city (Ireland) using aerosol mass spectrometry en
dc.type Article (peer-reviewed) en
dc.internal.authorcontactother Robert Healy, Chemistry, University College Cork, Cork, Ireland. +353-21-490-3000 Email: robert.healy@ucc.ie en
dc.internal.availability Full text available en
dc.date.updated 2014-06-06T14:18:21Z
dc.description.version Published Version en
dc.internal.rssid 241508818
dc.contributor.funder Higher Education Authority en
dc.contributor.funder Environmental Protection Agency
dc.description.status Peer reviewed en
dc.identifier.journaltitle Atmospheric Chemistry and Physics en
dc.internal.copyrightchecked Yes en
dc.internal.licenseacceptance Yes en
dc.internal.IRISemailaddress robert.healy@ucc.ie en


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© 2013, the Authors. This work is distributed under the Creative Commons Attribution 3.0 License. Except where otherwise noted, this item's license is described as © 2013, the Authors. This work is distributed under the Creative Commons Attribution 3.0 License.
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