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Laboratory investigation of fire radiative energy and smoke aerosol emissionsAuthor(s): Charles Ichoku; J. Vanderlei Martins; Yoram J. Kaufman; Martin J. Wooster; Patrick H. Freeborn; Wei Min Hao; Stephen Baker; Cecily A. Ryan; Bryce L. Nordgren
Source: Journal of Geophysical Research. 113: D14S09. doi: 10.1029/2007JD009659.
Publication Series: Miscellaneous Publication
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DescriptionFuel biomass samples from southern Africa and the United States were burned in a laboratory combustion chamber while measuring the biomass consumption rate, the fire radiative energy (FRE) release rate (Rfre), and the smoke concentrations of carbon monoxide (CO), carbon dioxide (CO2), and particulate matter (PM). The PM mass emission rate (RPM) was quantified from aerosol optical thickness (AOT) derived from smoke extinction measurements using a custom-made laser transmissometer. The RPM and Rfre time series for each fire were integrated to total PM mass and FRE, respectively, the ratio of which represents its FRE-based PM emission coefficient (CePM). A strong correlation (r2 = 0.82) was found between the total FRE and total PM mass, from which an average CePM value of 0.03 kg MJ 1 was calculated. This value agrees with those derived similarly from satellite-borne measurements of Rfre and AOT acquired over large-scale wildfires.
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CitationIchoku, Charles; Martins, J. Vanderlei; Kaufman, Yoram J.; Wooster, Martin J.; Freeborn, Patrick H.; Hao, Wei Min; Baker, Stephen; Ryan, Cecily A.; Nordgren, Bryce L. 2008. Laboratory investigation of fire radiative energy and smoke aerosol emissions. Journal of Geophysical Research. 113: D14S09. doi: 10.1029/2007JD009659.
Keywordsfire radiative energy, smoke aerosol emissions, biomass consumption rate
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