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Decreases in Elemental Carbon and Fine Particle Mass in the United States : Volume 11, Issue 1 (20/01/2011)

By Murphy, D. M.

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Book Id: WPLBN0003991016
Format Type: PDF Article :
File Size: Pages 20
Reproduction Date: 2015

Title: Decreases in Elemental Carbon and Fine Particle Mass in the United States : Volume 11, Issue 1 (20/01/2011)  
Author: Murphy, D. M.
Volume: Vol. 11, Issue 1
Language: English
Subject: Science, Atmospheric, Chemistry
Collections: Periodicals: Journal and Magazine Collection, Copernicus GmbH
Publication Date:
Publisher: Copernicus Gmbh, Göttingen, Germany
Member Page: Copernicus Publications


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Malm, W. C., Chow, J. C., Schichtel, B. A., Leibensperger, E. M., Watson, J. G., Pitchford, M.,...White, W. H. (2011). Decreases in Elemental Carbon and Fine Particle Mass in the United States : Volume 11, Issue 1 (20/01/2011). Retrieved from

Description: Chemical Sciences Division, Earth System Research Laboratory, National Oceanic and Atmospheric Administration, Boulder, CO 80305, USA. Observations at national parks and other remote sites show that average elemental carbon and fine particle mass concentrations in the United States both decreased by over 25% between 1990 and 2004. Percentage decreases in elemental carbon were much larger in winter than in summer. These data suggest that emissions controls have been effective in reducing particulate concentrations not only in polluted areas but also across the United States. Despite the reduction in elemental carbon, the simultaneous decrease in non-absorbing particles implies that the overall radiative forcing from these changes was toward warming. The use of a 2005 instead of 1990 as a baseline for climate-relevant emissions from the United States would imply a significantly lower baseline for aerosol emissions. The use of older data will overestimate the possibility for future reductions in warming due to black carbon controls.

Decreases in elemental carbon and fine particle mass in the United States

Ban-Weiss, G. A., McLaughlin, J. P., Harley, R. A., Lunden, M. M., Kirchstetter, T. M., Kean, A. J., Strawa, A. W., Stevenson, E. D., and Kendall, G. R.: Long-term changes in emissions of nitrogen oxides and particulate matter from on-road gasoline and diesel vehicles, Atmos. Environ. 42, 220–232, 2008.; Bond, T. and Bergstrom, T., Light absorption by carbonaceous particles: An investigative review, Aerosol Sci. Technol., 40, 27–67, 2006.; Bond, T. C., Streets, D. G., Yarber, K. F., Nelson, S. M., Woo, J.-H., and Klimont, Z.: A technology-based global inventory of black and organic carbon emissions from combustion, J. Geophys. Res. 109, D14203, doi:10.1029/2003JD003697, 2004.; Cavalli, F., Viana, M., Yttri, K. E., Genberg, J., and Putaud, J.-P.: Toward a standardised thermal-optical protocol for measuring atmospheric organic and elemental carbon: the EUSAAR protocol, Atmos. Meas. Tech., 3, 79–89, doi:10.5194/amt-3-79-2010, 2010.; Lloyd, A. C. and Cackette, T. A.: Diesel engines: Environmental impact and control, J. Air Waste Manage. Assoc., 51, 809–847, 2001.; Chen, W.-T., Nenes, A., Liao, H., Adams, P. J., Li, J.-L. F., and Seinfeld, J. H.: Global climate response to anthropogenic aerosol indirect effects: Present day and year 2100, J. Geophys. Res., 115, D12207, doi:10.1029/2008JD011619, 2010.; Chow, J. C., Watson, J. G., Pritchett, L. C., Pierson, W. R., Frazier, C. A., and Purcell, R. G.: The DRI thermal/optical reflectance carbon analysis system: Description, evaluation and applications in U.S. air quality studies, Atmos. Environ., 27A, 1185–1201, 1993.; Chow, J. C., Watson, J. G., Chen, L.-W. A., Chang, M. C. O., Robinson, N. F., Trimble, D., and Kohl, S. D.: The IMPROVE-A temperature protocol for thermal/optical carbon analysis: Maintaining consistency with a long-term database, J. Air Waste Manage. Assoc., 57, 1014–1023, 2007.; Dallmann, T. R. and Harley, R. A.: Evaluation of mobile source emission trends in the United States, J. Geophys. Res., 115, D14305, doi:10.1029/2010JD013862, 2010.; Fiebig, M. and Ogren, J. A.: Retrieval and climatology of the aerosol asymmetry parameter in the NOAA aerosol monitoring network, J. Geophys. Res., 111, D21204, doi:10.1029/2005JD006545, 2006.; Flanner, M. G., Zender, C. S., Randerson, J. T., and Rasch, P. J.: Present-day climate forcing and response from black carbon in snow, J. Geophys. Res., 112, D11202, doi:10.1029/2006JD008003, 2007.; Flanner, M. G., Zender, C. S., Hess, P. G., Mahowald, N. M., Painter, T. H., Ramanathan, V., and Rasch, P. J.: Springtime warming and reduced snow cover from carbonaceous particles, Atmos. Chem. Phys., 9, 2481–2497, doi:10.5194/acp-9-2481-2009, 2009.; Hidy, G. M. and Pennell, W. T.: Multipollutant air quality management, J. Air Waste Manage. Assoc., 60, 645–674, 2010.; Leibensperger E. M., et al.: Climate effects of US aerosols over 1950–2050 – Part 1: Aerosol trends and radiative forcing, in preparation, 2011.; Husain, L., Khan, A. J., Ahmed, T., Swami, K., Bari, A., and Webber, J. S.: Trends in atmospheric elemental carbon concentrations from 1835 to 2005, J. Geophys. Res., 113, D13102, doi:10.1029/2007JD009398, 2008.; Junker, C., Sheahan, J. N., Jennings, S. G., O'Brien, P., Hinds, B. D., Martinez-Twary, E., Hansen, A. D. A., White, C., Garvery, D. M., and Pinnick, R. G.: Measurement and analysis of aerosol and black carbon in the southwestern United States and Panama and their dependence on air mass origin, J. Geophys. Res., 103, D13201, doi:10.1029/2003JD004066, 2004.; Kirchstetter, T. A., Aguiar, J., Tonse, S., Fairley, D., and Novakov, T.: Black carbon concentrations and diesel vehicle emission factors derived from coefficient of haze measurements in California: 1967–2003, Atmos. Environ., 42, 480–491, 2008.; Malm, W. C., Sisler, J. F., Juggman, D., Eldred, R. A., and Cahill, T. A.: Spatial and seasonal trends in particle concentration and optical extinction in the United States, J. Geophys. Res., 99, 1347–1370, 1994.; Malm, W. C., Schichte


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