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Aerosol-cloud interaction determined by both in situ and satellite data over a northern high-latitude site

Lihavainen H, Kerminen V, Remer L ...see all

Atmospheric Chemistry and Physics, vol. 10, issue 22 (2010) pp. 10987-10995

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Abstract

The first aerosol indirect effect over a clean, northern high-latitude site was investigated by determining the aerosol cloud interaction (ACI) using three different approaches; ground-based in situ measurements, combined ground-based in situ measurements 5 and satellite retrievals and using only satellite retrievals. The obtained values of ACI were highest for in situ ground-based data, clearly lower for combined ground-based and satellite data, and lowest for data relying solely on satellite retrievals. One of the key findings of this study was the high sensitivity of ACI to the definition of the aerosol burden. We showed that at least a part of the variability in ACI can be explained by 10 how different investigators have related dierent cloud properties to "aerosol burden".

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Authors

  • H. Lihavainen

  • V. M. Kerminen

  • L. A. Remer

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