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Titolo:
Light absorption by primary particle emissions from a lignite burning plant
Autore:
Bond, TC; Bussemer, M; Wehner, B; Keller, S; Charlson, RJ; Heintzenberg, J;
Indirizzi:
Univ Washington, Dept Civil Engn, Seattle, WA 98195 USA Univ Washington Seattle WA USA 98195 pt Civil Engn, Seattle, WA 98195 USA Univ Washington, Dept Mech Engn, Seattle, WA 98195 USA Univ Washington Seattle WA USA 98195 ept Mech Engn, Seattle, WA 98195 USA Univ Washington, Dept Chem, Seattle, WA 98195 USA Univ Washington SeattleWA USA 98195 on, Dept Chem, Seattle, WA 98195 USA Univ Washington, Dept Atmospher Sci, Seattle, WA 98195 USA Univ Washington Seattle WA USA 98195 Atmospher Sci, Seattle, WA 98195 USA Inst Tropospher Res, Leipzig, Germany Inst Tropospher Res Leipzig Germany st Tropospher Res, Leipzig, Germany
Titolo Testata:
ENVIRONMENTAL SCIENCE & TECHNOLOGY
fascicolo: 21, volume: 33, anno: 1999,
pagine: 3887 - 3891
SICI:
0013-936X(19991101)33:21<3887:LABPPE>2.0.ZU;2-2
Fonte:
ISI
Lingua:
ENG
Soggetto:
TURBULENT-DIFFUSION FLAMES; INTEGRATING PLATE METHOD; BLACK CARBON; SOOT; AEROSOLS; RADIATION; SULFATE; SMOKE;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Engineering, Computing & Technology
Citazioni:
38
Recensione:
Indirizzi per estratti:
Indirizzo: Bond, TC Univ Washington, Dept Civil Engn, Seattle, WA 98195 USA Univ Washington Seattle WA USA 98195 Engn, Seattle, WA 98195 USA
Citazione:
T.C. Bond et al., "Light absorption by primary particle emissions from a lignite burning plant", ENV SCI TEC, 33(21), 1999, pp. 3887-3891

Abstract

Anthropogenic aerosols from the burning of fossil fuels contribute to climate forcing by both scattering and absorbing solar radiation, and estimatesof climate forcing by light-absorbing primary particles have recently beenpublished. While the mass and optical properties of emissions are needed for these studies, the available measurements do not characterize the low-technology burning that is thought to contribute a large fraction of light-absorbing material to the global budget. We have measured characteristics of particulate matter (PM) emitted from a small, low-technology lignite-burning plant. The PM emission factor is comparable to those used to calculate emission inventories of light-absorbing particles. However, the fine fraction, the absorbing fraction, and the absorption efficiency of the emissions are substantially below assumptions that have been made in inventories of black carbon emissions and calculations of climate forcing. The measurements suggest that nonblack, light-absorbing particles are emitted from tow-technology coal burning. As the burning rate increases, the emitted absorption cross-section decreases, and the wavelength dependence of absorption becomes closer to that of black particles.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 29/11/20 alle ore 06:49:48