Climate effects of black carbon aerosols in China and India. Menon, S., Hansen, J., Nazarenko, L., & Luo, Y. Science (New York, N.Y.), 297(5590):2250-3, 9, 2002.
Climate effects of black carbon aerosols in China and India. [pdf]Paper  Climate effects of black carbon aerosols in China and India. [link]Website  abstract   bibtex   
In recent decades, there has been a tendency toward increased summer floods in south China, increased drought in north China, and moderate cooling in China and India while most of the world has been warming. We used a global climate model to investigate possible aerosol contributions to these trends. We found precipitation and temperature changes in the model that were comparable to those observed if the aerosols included a large proportion of absorbing black carbon ("soot"), similar to observed amounts. Absorbing aerosols heat the air, alter regional atmospheric stability and vertical motions, and affect the large-scale circulation and hydrologic cycle with significant regional climate effects.

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