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Single particle measurements of mid latitude black carbon and light-scattering aerosols from the boundary layer to the lower stratosphere

Schwarz, J.P. and Gao, R.S. and Fahey, D.W. and Thomson, D.S. and Watts, L.A. and Wilson, J.C. and Reeves, J.M. and Darbeheshti, M. and Baumgardner, D.G. and Kok, G.L. and Chung, S.H. and Schulz, M. and Hendricks, J. and Lauer, A. and Kärcher, B. and Slowik, J.G. and Rosenlof, K.H. and Thompson, T.L. and Langford, A.O. and Loewenstein, M. and Aikin, K.C. (2006) Single particle measurements of mid latitude black carbon and light-scattering aerosols from the boundary layer to the lower stratosphere. Journal of Geophysical Research, 111, D16207. Wiley. DOI: 10.1029/2006JD007076

Full text not available from this repository.

Official URL: http://www.agu.org/pubs/crossref/2006/2006JD007076.shtml

Abstract

A single-particle soot photometer (SP2) was flown on a NASA WB-57F high-altitude research aircraft in November 2004 from Houston, Texas. The SP2 uses laser-induced incandescence to detect individual black carbon (BC) particles in an air sample in the mass range of ~3–300 fg (~0.15–0.7 μm volume equivalent diameter). Scattered light is used to size the remaining non-BC aerosols in the range of ~0.17–0.7 μm diameter. We present profiles of both aerosol types from the boundary layer to the lower stratosphere from two midlatitude flights. Results for total aerosol amounts in the size range detected by the SP2 are in good agreement with typical particle spectrometer measurements in the same region. All ambient incandescing particles were identified as BC because their incandescence properties matched those of laboratory-generated BC aerosol. Approximately 40% of these BC particles showed evidence of internal mixing (e.g., coating). Throughout profiles between 5 and 18.7 km, BC particles were less than a few percent of total aerosol number, and black carbon aerosol (BCA) mass mixing ratio showed a constant gradient with altitude above 5 km. SP2 data was compared to results from the ECHAM4/MADE and LmDzT-INCA global aerosol models. The comparison will help resolve the important systematic differences in model aerosol processes that determine BCA loadings. Further intercomparisons of models and measurements as presented here will improve the accuracy of the radiative forcing contribution from BCA.

Item URL in elib:https://elib.dlr.de/19934/
Document Type:Article
Title:Single particle measurements of mid latitude black carbon and light-scattering aerosols from the boundary layer to the lower stratosphere
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Schwarz, J.P.NOAA ESRL, Boulder, CO, USAUNSPECIFIED
Gao, R.S.NOAA ESRL, Boulder, CO, USAUNSPECIFIED
Fahey, D.W.NOAA ESRL, Boulder, CO, USAUNSPECIFIED
Thomson, D.S.NOAA ESRL, Boulder, CO, USAUNSPECIFIED
Watts, L.A.NOAA ESRL, Boulder, CO, USAUNSPECIFIED
Wilson, J.C.Univ. of Denver, Denver, CO, USAUNSPECIFIED
Reeves, J.M.Univ. of Denver, Denver, CO, USAUNSPECIFIED
Darbeheshti, M.Univ. of Denver, Denver, CO, USAUNSPECIFIED
Baumgardner, D.G.UNAM, Mexico City, MEXUNSPECIFIED
Kok, G.L.DMT, Boulder, CO, USAUNSPECIFIED
Chung, S.H.NOAA ESRL, Boulder, CO, USAUNSPECIFIED
Schulz, M.LSCE, Gif-sur-Yvette, FUNSPECIFIED
Hendricks, J.UNSPECIFIEDUNSPECIFIED
Lauer, A.UNSPECIFIEDUNSPECIFIED
Kärcher, B.UNSPECIFIEDUNSPECIFIED
Slowik, J.G.Boston College, MA, USAUNSPECIFIED
Rosenlof, K.H.NOAA ESRL, Boulder, CO, USAUNSPECIFIED
Thompson, T.L.NOAA ESRL, Boulder, CO, USAUNSPECIFIED
Langford, A.O.NOAA ESRL, Boulder, CO, USAUNSPECIFIED
Loewenstein, M.NASA Ames Research Center, CA, USAUNSPECIFIED
Aikin, K.C.NOAA ESRL, Boulder, CO, USAUNSPECIFIED
Date:2006
Journal or Publication Title:Journal of Geophysical Research
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:111
DOI :10.1029/2006JD007076
Page Range:D16207
Publisher:Wiley
Status:Published
Keywords:Black carbon, Atmospheric measurements, Single particles
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:L VU - Air Traffic and Environment (old)
DLR - Research area:Aeronautics
DLR - Program:L VU - Air Traffic and Environment
DLR - Research theme (Project):L - Low-Emission Air Traffic (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Atmospheric Physics > Atmospheric Trace Species
Institute of Atmospheric Physics > Atmospheric Dynamics
Deposited By: Kärcher, Prof. Bernd
Deposited On:24 Jul 2007
Last Modified:08 Mar 2018 18:43

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