Special Issue for the 9th International Conference on Carbonaceous Particles in the Atmosphere Page: 1 of 8
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Special Issue for the
9th International Conference on Carbonaceous Particles in the Atmosphere
A.W. Strawa , T.W. Kirchstetter2, and H. Puxbaum3
1 NASA-Ames Research Center, Moffett Field, CA, USA
2 Lawrence Berkeley National Laboratory, Berkeley, CA, USA
3 Vienna University of Technology, Vienna, Austria
Carbonaceous particles are a minor constituent of the atmosphere but have a profound
effect on air quality, human health, visibility and climate. The importance of
carbonaceous particles has been increasingly recognized and become a mainstream topic
at numerous conferences. Such was not the case in 1978, when the 1s International
Conference on Carbonaceous Particles in the Atmosphere (ICCPA), or "Carbon
Conference" as it is widely known, was introduced as a new forum to bring together
scientists who were just beginning to reveal the importance and complexity of
carbonaceous particles in the environment. Table 1 lists the conference dates, venues in
the series as well as the proceedings, and special issues resulting form the meetings.
Penner and Novakov (Penner and Novakov, 1996) provide an excellent historical
perspective to the early ICCPA Conferences. Thirty years later, the ninth in this
conference series was held at its inception site, Berkeley, California, attended by 160
scientists from 31 countries, and featuring both new and old themes in 49 oral and 83
poster presentations. Topics covered such areas as historical trends in black carbon
aerosol, ambient concentrations, analytic techniques, secondary aerosol formation,
biogenic, biomass, and HULIS1 characterization, optical properties, and regional and
global climate effects. The conference website, http://iccpa.lbl.gov/, holds the agenda, as
well as many presentations, for the 9d ICCPA. The 10f ICCPA is tentatively scheduled
for 2011 in Vienna, Austria.
The papers in this issue are representative of several of the themes discussed in the
conference. Ban-Weiss et al., (Ban-Weiss et al., accepted) measured the abundance of
ultrafine particles in a traffic tunnel and found that heavy duty diesel trucks emit at least
an order of magnitude more ultrafine particles than light duty gas-powered vehicles per
unit of fuel burned. Understanding of this issue is important as ultrafine particles have
been shown to adversely affect human health (Lighty et al., 2000; Pope and Dockery,
2006). Gan et al. (Gan et al., accepted) examined the indoor air quality aboard
submarines and found that the diesel particulate matter concentrations exceeded the EPA
24 hour standard. Claeys et al. (Claeys et al., accepted) studied the importance and
sources of secondary organic aerosol (SOA) in remote marine environment during a
period of high biological activity. Methanesulphonate was the major SOA compound
detected and there was no evidence for SOA from isoprene. The optical properties of
1 HULIS is an acronym for HUmic-LIke Substances and denotes particles that contain humic and fulvic
acids (cf. Graber, E.R., and Rudich, Y., Atmospheric HULIS: How humic-like are they? A comprehensive
and critical review, Atmos. Chem. Phys., 6, 729-753, 2006.)
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Strawa, A.W.; Kirchstetter, T.W. & Puxbaum, H. Special Issue for the 9th International Conference on Carbonaceous Particles in the Atmosphere, article, December 11, 2009; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc847095/m1/1/: accessed June 19, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.