Experimental evidence for the role of ions in particle nucleation under atmospheric conditions

@article{Svensmark2006ExperimentalEF,
  title={Experimental evidence for the role of ions in particle nucleation under atmospheric conditions},
  author={Henrik Svensmark and Jens P. Pedersen and Nathan Douglas Marsh and Martin B{\o}dker Enghoff and Ulrik I. Uggerh{\o}j},
  journal={Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences},
  year={2006},
  volume={463},
  pages={385 - 396}
}
Experimental studies of aerosol nucleation in air, containing trace amounts of ozone, sulphur dioxide and water vapour at concentrations relevant for the Earth’s atmosphere, are reported. The production of new aerosol particles is found to be proportional to the negative ion density and yields nucleation rates of the order of 0.1–1 cm K3 s K1 . This suggests that the ions are active in generating an atmospheric reservoir of small thermodynamically stable clusters, which are important for… CONTINUE READING

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