World Library  


Add to Book Shelf
Flag as Inappropriate
Email this Book

Black Carbon Measurements in the Boundary Layer Over Western and Northern Europe : Volume 10, Issue 6 (04/06/2010)

By McMeeking, G. R.

Click here to view

Book Id: WPLBN0003995396
Format Type: PDF Article :
File Size: Pages 57
Reproduction Date: 2015

Title: Black Carbon Measurements in the Boundary Layer Over Western and Northern Europe : Volume 10, Issue 6 (04/06/2010)  
Author: McMeeking, G. R.
Volume: Vol. 10, Issue 6
Language: English
Subject: Science, Atmospheric, Chemistry
Collections: Periodicals: Journal and Magazine Collection, Copernicus GmbH
Historic
Publication Date:
2010
Publisher: Copernicus Gmbh, Göttingen, Germany
Member Page: copernicus

Citation

APA MLA Chicago

Allan, J. D., Minikin, A., Mcmeeking, G. R., Highwood, E. J., Morgan, W. T., Hamburger, T.,...Coe, H. (2010). Black Carbon Measurements in the Boundary Layer Over Western and Northern Europe : Volume 10, Issue 6 (04/06/2010). Retrieved from http://worldlibrary.in/


Description
Description: Centre for Atmospheric Science, University of Manchester, Manchester, UK. Europe is a densely populated region that is a significant global source of black carbon (BC) aerosol, but there is a lack of information regarding the physical properties and spatial/vertical distribution of BC in the region. We present the first aircraft observations of sub-micron BC aerosol concentrations and physical properties measured by a single particle soot photometer (SP2) in the lower troposphere over Europe. The observations spanned a region roughly bounded by 50° to 60° N and from 15° W to 30° E. The measurements, made between April and September 2008, showed that average BC mass concentrations ranged from about 300 ng m−3 near urban areas to approximately 50 ng m−3 in remote continental regions, lower than previous surface-based measurements. BC represented between 0.5 and 3% of the sub-micron aerosol mass. Black carbon mass size distributions were log-normally distributed and peaked at approximately 180 nm, but shifted to smaller diameters (~160 nm) near source regions. Black carbon was correlated with carbon monoxide (CO) but had different ratios to CO depending on location and air mass. Light absorption coefficients were measured by particle soot absorption photometers on two separate aircraft and showed similar geographic patterns to BC mass measured by the SP2, but differed by at least a factor of two compared to each other. We summarize the BC and light absorption measurements as a function of longitude and air mass age and also provide profiles of BC mass concentrations and size distribution statistics. Our results will help evaluate model-predicted regional BC concentrations and properties and determine regional and global climate impacts from BC due to atmospheric heating and surface dimming.

Summary
Black carbon measurements in the boundary layer over western and northern Europe

Excerpt
Anderson, T. L., Covert, D. S., Marshall, S. F., Laucks, M. L., Charlson, R. J., Waggoner, A. P., Ogren, J. A., Caldow, R., Holm, R. L., Quant, F. R., Sem, G. J., Wiedensohler, A., Ahlquist, N. A., and Bates, T. S.: Performance characteristics of a high-sensitivity, three-wavelength, total scatter/backscatter nephelometer, J. Atmos. Ocean. Tech., 13, 967–986, 1996.; Andreae, M. O. and Gelencsér, A.: Black carbon or brown carbon? The nature of light-absorbing carbonaceous aerosols, Atmos. Chem. Phys., 6, 3131–3148, doi:10.5194/acp-6-3131-2006, 2006.; Baumgardner, D., Subramanian, R., Twohy, C., Stith, J., and Kok, G.: Scavenging of black carbon by ice crystals over the northern Pacific, Geophys. Res. Lett., 35, L22815, doi:10.1029/2008GL035764, 2008.; Baumgardner, D., Kok, G., and Raga, G.: Warming of the Arctic lower stratosphere by light absorbing particles, Geophys. Res. Lett., 31, L06117, doi:10.1029/2003GL018883, 2004.; Baumgardner, D., Kok, G. L., and Raga, G. B.: On the diurnal variability of particle properties related to light absorbing carbon in Mexico City, Atmos. Chem. Phys., 7, 2517–2526, doi:10.5194/acp-7-2517-2007, 2007.; Baumgardner, D., Kok, G., Kraemer, M., and Weidle, F.: Meridional gradients of light absorbing carbon over northern Europe, Environmental Research Letters, 3, 025010, doi:10.1088/1748-9326/3/2/025010, 2008.; Bond, T. C. and Bergstrom, R. W.: Light absorption by carbonaceous particles: An investigative review, Aerosol Sci. Technol., 40, 27–67, 2006.; Bond, T. C., Anderson, T. L., and Campbell, D.: Calibration and intercomparison of filter-based measurements of visible light absorption by aerosols, Aerosol Sci. Technol., 30, 582–600, 1999.; 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.-Atmos., 109, D14203, doi:10.1029/2003JD003697, 2004.; Bond, T. C., Habib, G., and Bergstrom, R. W.: Limitations in the enhancement of visible light absorption due to mixing state, Journal of Geophysical Research-Atmospheres, 111(13), D20211, doi:10.1029/2006JD007315, 2006.; Canagaratna, M. R., Jayne, J. T., Jimenez, J. L., Allan, J. D., Alfarra, M. R., Zhang, Q., Onasch, T. B., Drewnick, F., Coe, H., Middlebrook, A., Delia, A., Williams, L. R., Trimborn, A. M., Northway, M. J., DeCarlo, P. F., Kolb, C. E., Davidovits, P., and Worsnop, D. R.: Chemical and microphysical characterization of ambient aerosols with the aerodyne aerosol mass spectrometer, Mass Spectrom. Rev., 26, 185–222, 2007.; Cappa, C. D., Lack, D. A., Burkholder, J. B., and Ravishankara, A. R.: Bias in filter-based aerosol light absorption measurements due to organic aerosol loading: Evidence from laboratory measurements, Aerosol Sci. Technol., 42, 1022–1032, 2008.; Chow, J., Doraiswamy, P., Watson, J., Chen, L.-W., Ho, S., and Sodeman, D.: Advances in integrated and continuous measurements for particle mass and chemical composition, J. Air Waste Manage. Assoc., 58, 141–163, doi:10.3155/1047-3289.58.2.141, 2008.; Clarke, A. D., Shinozuka, Y., Kapustin, V. N., Howell, S., Huebert, B., Doherty, S., Anderson, T., Covert, D., Anderson, J., Hua, X., Moore, K.&

 

Click To View

Additional Books


  • A Tropospheric Chemistry Reanalysis for ... (by )
  • Factors Influencing the Large-scale Dist... (by )
  • Distribution of Vocs Between Air and Sno... (by )
  • Exploring the Severe Winter Haze in Beij... (by )
  • Bromine Partitioning in the Tropical Tro... (by )
  • Comment on Evidence for Surface-initiate... (by )
  • Distribution and Sources of Bioaccumulat... (by )
  • Technical Note: the Cccma Third Generati... (by )
  • Isoprene Oxidation Mechanisms: Measureme... (by )
  • Saharan Dust Levels in Greece and Receiv... (by )
  • A New Method to Determine the Mixing Sta... (by )
  • On the Characteristics of Aerosol Indire... (by )
Scroll Left
Scroll Right

 



Copyright © World Library Foundation. All rights reserved. eBooks from World Library are sponsored by the World Library Foundation,
a 501c(4) Member's Support Non-Profit Organization, and is NOT affiliated with any governmental agency or department.