Influence of convection and aerosol pollution on ice cloud particle effective radius

Satellite observations show that ice cloud effective radius (re) increases with ice water content (IWC) but decreases with aerosol optical thickness (AOT). Using least-squares fitting to the observed data, we obtain an analytical formula to describe the variations of re with IWC and AOT for several regions with distinct characteristics of re-IWC-AOT relationships. As IWC directly relates to convective strength and AOT represents aerosol loading, our empirical formula provides a means to quantify the relative roles of dynamics and aerosols in controlling re in different geographical regions, and to establish a framework for parameterization of aerosol effects on re in climate models.

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Copyright Author(s) 2011. This work is distributed under the Creative Commons Attribution 3.0 License.
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Author Jiang, J.
Su, H.
Zhai, C.
Massie, Steven
Schoeberl, M.
Colarco, P.
Platnick, S.
Gu, Y.
Liou, K.-N
Publisher UCAR/NCAR - Library
Publication Date 2011-01-17T00:00:00
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Topic Category geoscientificInformation
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Metadata Date 2023-08-18T18:53:30.766841
Metadata Record Identifier edu.ucar.opensky::articles:10492
Metadata Language eng; USA
Suggested Citation Jiang, J., Su, H., Zhai, C., Massie, Steven, Schoeberl, M., Colarco, P., Platnick, S., Gu, Y., Liou, K.-N. (2011). Influence of convection and aerosol pollution on ice cloud particle effective radius. UCAR/NCAR - Library. http://n2t.net/ark:/85065/d76q1xq6. Accessed 31 January 2025.

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