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Reply to 'Water vapour affects both rain and aerosol optical depth'

Nature Geoscience volume 6, page 5 (2013)Cite this article

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We thank Boucher and Quaas for their interest in our paper, but strongly disagree with their conclusions. In our analysis1, aerosol optical depth was on average 2.5 times higher in polluted compared with clean conditions. Here, we use basic hygroscopic growth and radiative transfer calculations to argue that aerosol humidification cannot account for this difference.

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References

  1. Koren, I. et al. Nature Geosci. 5, 118–122 (2012).

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Authors and Affiliations

  1. Department of Environmental Sciences Weizmann Institute, Rehovot, 76100, Israel

    Ilan Koren, Orit Altaratz & Reuven Heiblum

  2. Laboratory for Atmospheres, NASA Goddard Space Flight Center, Greenbelt, Maryland, USA

    Lorraine A. Remer & J. Vanderlei Martins

  3. Chemical Sciences Division, NOAA Earth System Research Laboratory (ESRL), Boulder, 80305, Colorado, USA

    Graham Feingold

  4. Department of Physics and Joint Center for Earth Systems Technology, University of Maryland, Baltimore, 21250, USA

    J. Vanderlei Martins

Authors
  1. Ilan Koren
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  2. Orit Altaratz
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  3. Lorraine A. Remer
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  4. Graham Feingold
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  5. J. Vanderlei Martins
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  6. Reuven Heiblum
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Correspondence to Ilan Koren.

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Koren, I., Altaratz, O., Remer, L. et al. Reply to 'Water vapour affects both rain and aerosol optical depth'. Nature Geosci 6, 5 (2013). https://doi.org/10.1038/ngeo1693

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