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Characterizing biomass combustion em...

Engling, Guenter.

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Characterizing biomass combustion emission contributions to ambient aerosol concentrations.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Characterizing biomass combustion emission contributions to ambient aerosol concentrations./
作者:	Engling, Guenter.
出版者:	Ann Arbor : ProQuest Dissertations & Theses, : 2006,
面頁冊數:	188 p.
附註:	Source: Dissertation Abstracts International, Volume: 67-07, Section: B, page: 3761.
Contained By:	Dissertation Abstracts International67-07B.
標題:	Analytical chemistry. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3226122
ISBN:	9780542802379

Characterizing biomass combustion emission contributions to ambient aerosol concentrations.
Engling, Guenter.

Characterizing biomass combustion emission contributions to ambient aerosol concentrations. - Ann Arbor : ProQuest Dissertations & Theses, 2006 - 188 p.

Source: Dissertation Abstracts International, Volume: 67-07, Section: B, page: 3761.

Thesis (Ph.D.)--Colorado State University, 2006.

Atmospheric aerosol particles exert significant effects on air quality, human health, ecosystem health, visibility, and the radiative balance of the atmosphere. Because of their relatively long lifetimes, the influence of submicron aerosol particles can be exerted far downwind of their source. Biomass combustion is a major global source of atmospheric fine particles and organic matter in particular.

ISBN: 9780542802379Subjects--Topical Terms:

3168300
Analytical chemistry.

Characterizing biomass combustion emission contributions to ambient aerosol concentrations.
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245 1 0 $a Characterizing biomass combustion emission contributions to ambient aerosol concentrations.
260 1 $a Ann Arbor : $b ProQuest Dissertations & Theses, $c 2006
300 $a 188 p.
500 $a Source: Dissertation Abstracts International, Volume: 67-07, Section: B, page: 3761.
500 $a Adviser: Jeffrey L. Collett.
502 $a Thesis (Ph.D.)--Colorado State University, 2006.
520 $a Atmospheric aerosol particles exert significant effects on air quality, human health, ecosystem health, visibility, and the radiative balance of the atmosphere. Because of their relatively long lifetimes, the influence of submicron aerosol particles can be exerted far downwind of their source. Biomass combustion is a major global source of atmospheric fine particles and organic matter in particular.
520 $a The research presented here consists of three primary efforts: (1) development of simpler, less expensive techniques for measurement of levoglucosan and other biomass combustion products, (2) examination of the contributions of biomass combustion to ambient aerosol in the western U.S., and (3) examination of the variability in source marker emission profiles for a variety of fuel types burned under a range of conditions characteristic of those expected in wild and prescribed fires.
520 $a Three alternative measurement techniques that are sensitive and precise, yet cost effective and easy to use, were explored and optimized for the determination of biomass combustion source tracers: high performance anion exchange chromatography, microchip capillary electrophoresis, and an enzyme biosensor. Sources of summertime organic aerosol in the western U.S. were investigated during the Yosemite Aerosol Characterization Study in 2002. Primary contributions of biomass smoke to fine particle organic carbon were estimated to be as high as 100% on selected days due to the influence of local fires in addition to fires in southern Oregon and other parts of California. High concentrations of various organic compounds of secondary origin also indicated a significant contribution of secondary organic aerosol to ambient fine particle concentrations. An important portion of secondary species was likely associated with smoke from biomass combustion.
520 $a Emission signatures of carbonaceous material from the open combustion of biofuels were determined as a function of combustion conditions. Emissions of biomass combustion tracers showed a wide range of values as a function of fuel type and combustion conditions. Levoglucosan emission factors for the same combustion conditions differed between individual types of biomass by one order of magnitude, while combustion phase and burn direction generally resulted in variations between emission factors on the order of two to three for the same fuel type.
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793 $a English
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