Articles, Shifting the Aerosol Size Distri- by Combustion
Atmos. Chem. Phys., 11, 12453–12473, 2011 www.atmos-chem-phys.net/11/12453/2011/ Atmospheric doi:10.5194/acp-11-12453-2011 Chemistry © Author(s) 2011. CC Attribution 3.0 License. and Physics Sources of carbonaceous aerosols and deposited black carbon in the Arctic in winter-spring: implications for radiative forcing Q. Wang1, D. J. Jacob1, J. A. Fisher1, J. Mao1,*, E. M. Leibensperger1,**, C. C. Carouge1,***, P. Le Sager1,****, Y. Kondo2, J. L. Jimenez3, M. J. Cubison3, and S. J. Doherty4 1School of Engineering and Applied Sciences and Department of Earth and Planetary Sciences, Harvard University, Cambridge, Massachusetts, USA 2Department of Earth and Planetary Science, Graduate school of Science, University of Tokyo, Tokyo, Japan 3Cooperative Institute for Research in the Environmental Sciences and Department of Chemistry and Biochemistry, University of Colorado, Boulder, Colorado, USA 4Joint Institute for the Study of Atmosphere and Ocean, 3737 Brooklyn Ave NE, Seattle, Washington, USA *now at: Atmospheric and Oceanic Sciences, Princeton University, Princeton, New Jersey, USA **now at: Department of Earth Atmospheric and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, Massachusetts, USA ***now at: University of New South Wales, Sydney, New South Wales, Australia ****now at: Royal Netherlands Meteorological Institute, De Bilt, The Netherlands Received: 22 June 2011 – Published in Atmos. Chem. Phys. Discuss.: 6 July 2011 Revised: 28 November 2011 – Accepted: 29 November 2011 – Published: 13 December 2011 Abstract. We use a global chemical transport model (GEOS- contribute 90 % of BC deposited to Arctic snow in January- Chem CTM) to interpret observations of black carbon (BC) March and 60 % in April–May 2007–2009.
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