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Intercomparison of Thermal and Optical Measurement Methods for Elemental Carbon and Black Carbon at an Urban Location

Hitzenberger, Regina und Petzold, Andreas und Bauer, Heidi und Ctyroky, Peter und Pouresmaeil, P. und Laskus, L. und Puxbaum, Hans (2006) Intercomparison of Thermal and Optical Measurement Methods for Elemental Carbon and Black Carbon at an Urban Location. Environmental Science and Technology, 40 (20), Seiten 6377-6383. DOI: 10.1021/es051228v.

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Offizielle URL: http://pubs.acs.org/cgi-bin/article.cgi/esthag/2006/40/i20/pdf/es051228v.pdf

Kurzfassung

Despite intensive efforts during the past 20 years, no generally accepted standard method exists to measure black carbon (BC) or elemental carbon (EC). Data on BC and EC concentrations are method specific and can differ widely (e.g. Schmid et al., 2001, ten Brink et al., 2004). In this study, a comprehensive set of methods (both optical and thermal) is compared. Measurements were performed under urban background conditions in Vienna, Austria, a city heavily impacted by diesel emissions. Filter and impactor samples were taken during 3 weeks in summer 2002 and analyzed for EC with thermal methods: a modified Cachier method (Cachier et al., 1989), a thermal-optical method (Schmid et al., 2001), and the VDI method (VDI, 1996); for BC with optical methods: a filter transmission method and the integrating sphere method (Hitzenberger et al., 1996); and for total carbon (TC) with a combustion method (Puxbaum and Rendl, 1983). The online methods aethalometer (Hansen et al., 1984) and the multiangle absorption photometer MAAP (Petzold et al., 2002) to measure BC were also used. The average values of BC and EC obtained with the methods agreed within their standard deviations. A conversion table was set up to allow comparisons between data measured elsewhere under urban background conditions (with similar source characteristics) with different instruments. An approach to estimate the absorption coefficient from attenuation data is derived so that existing records of aethalometer data in urban environments may be used to obtain also the absorption coefficients.

Dokumentart:Zeitschriftenbeitrag
Titel:Intercomparison of Thermal and Optical Measurement Methods for Elemental Carbon and Black Carbon at an Urban Location
Autoren:
AutorenInstitution oder E-Mail-Adresse der Autoren
Hitzenberger, ReginaUniv. Wien, Wien, A
Petzold, AndreasNICHT SPEZIFIZIERT
Bauer, HeidiTU Wien, Wien, A
Ctyroky, PeterUniv. Wien, Wien, A
Pouresmaeil, P.TU Wien, Wien, A
Laskus, L.Umweltbundesamt, Berlin
Puxbaum, HansTU Wien, Wien, A
Datum:Oktober 2006
Erschienen in:Environmental Science and Technology
Band:40
DOI :10.1021/es051228v
Seitenbereich:Seiten 6377-6383
Status:veröffentlicht
Stichwörter:atmospheric aerosol, black carbon, elemental carbon, measurement techniques
HGF - Forschungsbereich:Luftfahrt, Raumfahrt und Verkehr
HGF - Programm:Luftfahrt
HGF - Programmthema:L VU - Luftverkehr und Umwelt (alt)
DLR - Schwerpunkt:Luftfahrt
DLR - Forschungsgebiet:L VU - Luftverkehr und Umwelt
DLR - Teilgebiet (Projekt, Vorhaben):L - Luftverkehr und Wetter (alt)
Standort: Oberpfaffenhofen
Institute & Einrichtungen:Institut für Physik der Atmosphäre > Atmosphärische Spurenstoffe
Hinterlegt von: Dr.rer.nat. Markus Fiebig
Hinterlegt am:11 Dez 2006
Letzte Änderung:12 Dez 2013 20:22

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