Title:
Investigating water soluble organic aerosols: sources and evolution

dc.contributor.advisor Weber, Rodney J.
dc.contributor.author Hecobian, Arsineh N. en_US
dc.contributor.committeeMember Athanasios Nenes
dc.contributor.committeeMember Huey, L. Gregory
dc.contributor.committeeMember Michael Bergin
dc.contributor.committeeMember Wine, Paul H.
dc.contributor.department Earth and Atmospheric Sciences en_US
dc.date.accessioned 2010-06-10T15:11:12Z
dc.date.available 2010-06-10T15:11:12Z
dc.date.issued 2010-04-05 en_US
dc.description.abstract An existing method for the measurement of atmospheric gaseous species was modified to collect data on aerosol concentrations. Data from biomass burning events in different regions (Canada, the Arctic and California) were collected during April to July, 2008 and the concentrations and evolution of secondary organic aerosols were discussed. And finally, data on the light absorbing properties of water soluble organic aerosols were collected in Atlanta, GA and compared with filter data for the same properties. The results presented in this thesis showed that a negative ion chemical ionization mass spectrometer (CIMS), can be modified by the addition of a thermally denuded inlet to measure aerosol phase sulfuric acid. This system can also be used to measure other aerosol phase organic acids. In the biomass burning plumes studied in the second part, no clear indication of formation of secondary aerosol or gaseous species was observed, except for peroxyacetyl nitrate (PAN). Filter data collected from FRM sites in the Southeastern U.S. showed that biomass burning is the most dominant source of water soluble light absorbing carbonaceous aerosol in this region. The data from a study in Atlanta, GA showed that the online PILS-LWCC-WSOC system might be used for measurements of light absorbing properties of aerosols and WSOC. en_US
dc.description.degree Ph.D. en_US
dc.identifier.uri http://hdl.handle.net/1853/33819
dc.publisher Georgia Institute of Technology en_US
dc.subject CIMS en_US
dc.subject Biomass burning en_US
dc.subject Brown carbon en_US
dc.subject PILS en_US
dc.subject Organic aerosols en_US
dc.subject ARCTAS en_US
dc.subject.lcsh Aerosols
dc.subject.lcsh Organic compounds
dc.title Investigating water soluble organic aerosols: sources and evolution en_US
dc.type Text
dc.type.genre Dissertation
dspace.entity.type Publication
local.contributor.advisor Weber, Rodney J.
local.contributor.corporatename School of Earth and Atmospheric Sciences
local.contributor.corporatename College of Sciences
relation.isAdvisorOfPublication 215d3340-b8d6-4ed4-b8cf-422600bb468b
relation.isOrgUnitOfPublication b3e45057-a6e8-4c24-aaaa-fb00c911603e
relation.isOrgUnitOfPublication 85042be6-2d68-4e07-b384-e1f908fae48a
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