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Raatikainen T, Nenes A, Seinfeld JH, et al. Worldwide data sets constrain the water vapor uptake coefficient in cloud formation. Proc Natl Acad Sci U S A. 2013;110(10):3760-4doi: 10.1073/pnas.1219591110.
Raatikainen, T., Nenes, A., Seinfeld, J. H., Morales, R., Moore, R. H., Lathem, T. L., Lance, S., Padró, L. T., Lin, J. J., Cerully, K. M., Bougiatioti, A., Cozic, J., Ruehl, C. R., Chuang, P. Y., Anderson, B. E., Flagan, R. C., Jonsson, H., Mihalopoulos, N., & Smith, J. N. (2013). Worldwide data sets constrain the water vapor uptake coefficient in cloud formation. Proceedings of the National Academy of Sciences of the United States of America, 110(10), 3760-4. https://doi.org/10.1073/pnas.1219591110
Raatikainen, Tomi, et al. "Worldwide data sets constrain the water vapor uptake coefficient in cloud formation." Proceedings of the National Academy of Sciences of the United States of America vol. 110,10 (2013): 3760-4. doi: https://doi.org/10.1073/pnas.1219591110
Raatikainen T, Nenes A, Seinfeld JH, Morales R, Moore RH, Lathem TL, Lance S, Padró LT, Lin JJ, Cerully KM, Bougiatioti A, Cozic J, Ruehl CR, Chuang PY, Anderson BE, Flagan RC, Jonsson H, Mihalopoulos N, Smith JN. Worldwide data sets constrain the water vapor uptake coefficient in cloud formation. Proc Natl Acad Sci U S A. 2013 Mar 05;110(10):3760-4. doi: 10.1073/pnas.1219591110. Epub 2013 Feb 19. PMID: 23431189; PMCID: PMC3593859.
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Proc Natl Acad Sci U S A. 2013 Mar 05;110(10):3760-4. doi: 10.1073/pnas.1219591110. Epub 2013 Feb 19.

Worldwide data sets constrain the water vapor uptake coefficient in cloud formation.

Proceedings of the National Academy of Sciences of the United States of America

Tomi Raatikainen, Athanasios Nenes, John H Seinfeld, Ricardo Morales, Richard H Moore, Terry L Lathem, Sara Lance, Luz T Padró, Jack J Lin, Kate M Cerully, Aikaterini Bougiatioti, Julie Cozic, Christopher R Ruehl, Patrick Y Chuang, Bruce E Anderson, Richard C Flagan, Haflidi Jonsson, Nikos Mihalopoulos, James N Smith

Affiliations

  1. Earth & Atmospheric Sciences, Georgia Institute of Technology, Atlanta, GA 30332, USA.

PMID: 23431189 PMCID: PMC3593859 DOI: 10.1073/pnas.1219591110

Abstract

Cloud droplet formation depends on the condensation of water vapor on ambient aerosols, the rate of which is strongly affected by the kinetics of water uptake as expressed by the condensation (or mass accommodation) coefficient, αc. Estimates of αc for droplet growth from activation of ambient particles vary considerably and represent a critical source of uncertainty in estimates of global cloud droplet distributions and the aerosol indirect forcing of climate. We present an analysis of 10 globally relevant data sets of cloud condensation nuclei to constrain the value of αc for ambient aerosol. We find that rapid activation kinetics (αc > 0.1) is uniformly prevalent. This finding resolves a long-standing issue in cloud physics, as the uncertainty in water vapor accommodation on droplets is considerably less than previously thought.

References

  1. Environ Sci Technol. 2012 Mar 20;46(6):3093-100 - PubMed
  2. J Phys Chem A. 2012 Nov 8;116(44):10810-25 - PubMed

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