Articles | Volume 17, issue 18
Atmos. Chem. Phys., 17, 11065–11073, 2017
https://doi.org/10.5194/acp-17-11065-2017
Atmos. Chem. Phys., 17, 11065–11073, 2017
https://doi.org/10.5194/acp-17-11065-2017

Research article 19 Sep 2017

Research article | 19 Sep 2017

Rainfall drives atmospheric ice-nucleating particles in the coastal climate of southern Norway

Franz Conen et al.

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Cited articles

Aas, W., Platt, S., Solberg, S., and Yttri, K. E.: Monitoring of long-range transported air pollutants in Norway, annual report 2014, Kjeller, NILU (Miljødirektoratet rapport, M-367/2015) (NILU OR, 20/2015), 2015.
Bauer, H., Claeys, M., Vermeylen, R., Schueller, E., Weinke, G., Berger, A., and Puxbaum, H.: Arabitol and mannitol as tracers for the quantification of airborne fungal spores, Atmos. Environ., 42, 588–593, https://doi.org/10.1016/j.atmosenv.2007.10.013, 2008.
Belward, A. S., Estes, J. E., and Kline, K. D.: The IGBP-DIS 1-Km Land-Cover Data Set DISCover: A Project Overview, Photogramm. Eng. Rem. S., 65, 1013–1020, 1999.
Bigg, E. K. and Miles, G. T.: The results of large-scale measurements of natural ice nuclei, J. Atmos. Sci., 21, 396–403, 1964.
Bigg, E. K., Soubeyrand, S., and Morris, C. E.: Persistent after-effects of heavy rain on concentrations of ice nuclei and rainfall suggest a biological cause, Atmos. Chem. Phys., 15, 2313–2326, https://doi.org/10.5194/acp-15-2313-2015, 2015.
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Short summary
Observation of ice nuclei active at −8 °C show that rainfall drives their abundance throughout all seasons and that they are equally distributed amongst coarse and fine fraction of PM10. Concurrent measurements of fungal spore markers suggest that some fraction of INP-8 may consist of fungal spores during the warm part of the year. Snow cover suppresses the aerosolisation of ice nuclei. Changes in snow cover and rainfall may affect atmospheric concentrations of ice nuclei in future.
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