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The effect of anthropogenic sulfate and soot aerosol on the clear sky planetary radiation budget
Abstract
Carbonaceous soot within the troposphere can significantly modify the clear‐sky radiative forcing. Using an extension to a simple radiation calculation and two model‐derived sulfate aerosol data sets, the impact of an assumed soot/sulfate mass ratio of between 0.05 and 0.1 is examined. Fossil fuel derived soot causes a positive global‐mean radiative forcing which for one data set ranges from +0.03 to +0.24 Wm−2; the lower estimate is for an external mixture with a soot/sulfate ratio of 0.05 and the upper estimate is for an internal mixture and a soot/sulfate ratio of 0.10. These values compare to a global‐mean radiative forcing of −0.34 Wm−2 due to sulfate aerosol. Soot also significantly reduces the interhemispherical difference in the radiative forcing due to sulfate aerosol. The nature and amount of soot must be well established if the climatic role of tropospheric aerosols is to be fully understood.
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Cited by
Bounding the role of black carbon in the climate system: A scientific assessment
Bond, T. C., Doherty, S. J., Fahey, D. W., Forster, P. M., Berntsen, T., DeAngelo, B. J., Flanner, M. G., Ghan, S., Kärcher, B., Koch, D., et al. (2013) · Journal of Geophysical Research: Atmospheres · doi:10.1002/jgrd.50171 · Cited by 6,385
Light Absorption by Carbonaceous Particles: An Investigative Review
Bond, T. C., & Bergstrom, R. W. (2006) · Aerosol Science and Technology · doi:10.1080/02786820500421521 · Cited by 2,980
A technology‐based global inventory of black and organic carbon emissions from combustion
Bond, T. C., Streets, D. G., Yarber, K. F., Nelson, S. M., Woo, J., & Klimont, Z. (2004) · Journal of Geophysical Research: Atmospheres · doi:10.1029/2003jd003697 · Cited by 2,393
Radiative forcing and climate response
Hansen, J., Sato, M., & Ruedy, R. (1997) · Journal of Geophysical Research: Atmospheres · doi:10.1029/96jd03436 · Cited by 2,241
Estimates of the direct and indirect radiative forcing due to tropospheric aerosols: A review
Haywood, J., & Boucher, O. (2000) · Reviews of Geophysics · doi:10.1029/1999rg000078 · Cited by 2,097
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Metadata
- Authors
- Haywood, J. M., & Shine, K. P.
- Venue
- Geophysical Research Letters
- Publisher
- American Geophysical Union (AGU)
- Published
- 1995-03
- Volume
- 22
- Issue
- 5
- Pages
- 603-606
- ISSN
- 0094-8276 (ISSN-L)
- 1944-8007
- OpenAlex
- W1989913777
- Cited by
- 682
- References
- 0
- FWCI
- 23.28
- Type
- journal article
- Language
- en
- Open access
- closed
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- Haywood, J. M., & Shine, K. P. (1995). The effect of anthropogenic sulfate and soot aerosol on the clear sky planetary radiation budget. Geophysical Research Letters. https://doi.org/10.1029/95gl00075
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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
