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On the sensitivity of radiative forcing from biomass burning aerosols and ozone to emission location

Author(s): Naik, Vaishali; Mauzerall, Denise L.; Horowitz, Larry W.; Schwarzkopf, M. Daniel; Ramaswamy, V.; et al

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Abstract: Biomass burning is a major source of air pollutants, some of which are also climate forcing agents. We investigate the sensitivity of direct radiative forcing due to tropospheric ozone and aerosols (carbonaceous and sulfate) to a marginal reduction in their ( or their precursor) emissions from major biomass burning regions. We find that the largest negative global forcing is for 10% emission reductions in tropical regions, including Africa (- 4.1 mWm(-2) from gas and - 4.1 mWm(-2) from aerosols), and South America (- 3.0 mWm(-2) from gas and - 2.8 mWm(-2) from aerosols). We estimate that a unit reduction in the amount of biomass burned in India produces the largest negative ozone and aerosol forcing. Our analysis indicates that reducing biomass burning emissions causes negative global radiative forcing due to ozone and aerosols; however, regional differences need to be considered when evaluating controls on biomass burning to mitigate global climate change.
Publication Date: 2007
Electronic Publication Date: 13-Feb-2007
Citation: Naik, Vaishali, Mauzerall, Denise L., Horowitz, Larry W., Schwarzkopf, M. Daniel, Ramaswamy, V., Oppenheimer, Michael. (2007). On the sensitivity of radiative forcing from biomass burning aerosols and ozone to emission location. Geophysical Research Letters, 34 (3), 10.1029/2006GL028149
DOI: 10.1029/2006GL028149
ISSN: 0094-8276
Pages: L03818 (1-5)
Type of Material: Journal Article
Journal/Proceeding Title: Geophysical Research Letters
Version: Final published version. Article is made available in OAR by the publisher's permission or policy.

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