Articles | Volume 25, issue 19
https://doi.org/10.5194/acp-25-11919-2025
https://doi.org/10.5194/acp-25-11919-2025
Research article
 | 
02 Oct 2025
Research article |  | 02 Oct 2025

Bioaerosols as indicators of central Arctic ice nucleating particle sources

Kevin R. Barry, Thomas C. J. Hill, Sonia M. Kreidenweis, Paul J. DeMott, Yutaka Tobo, and Jessie M. Creamean

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Cited articles

Abrego, N., Furneaux, B., Hardwick, B., Somervuo, P., Palorinne, I., Aguilar-Trigueros, C. A., Andrew, N. R., Babiy, U. V., Bao, T., Bazzano, G., Bondarchuk, S. N., Bonebrake, T. C., Brennan, G. L., Bret-Harte, S., Bässler, C., Cagnolo, L., Cameron, E. K., Chapurlat, E., Creer, S., D'Acqui, L. P., de Vere, N., Desprez-Loustau, M., Dongmo, M. A. K., Dyrholm, I. B., Jacobsen, Fisher, B. L., Flores de Jesus, M., Gilbert, G. S., Griffith, G. W., Gritsuk, A. A., Gross, A., Grudd, H., Halme, P., Hanna, R., Hansen, J., Holst Hansen, L., Hegbe, A. D. M. T., Hill, S., Hogg, I. D., Hultman, J., Hyde, K. D., Hynson, N. A., Ivanova, N., Karisto, P., Kerdraon, D., Knorre, A., Krisai-Greilhuber, I., Kurhinen, J., Kuzmina, M., Lecomte, N., Lecomte, E., Loaiza, V., Lundin, E., Meire, A., Mešić, A., Miettinen, O., Monkhouse, N., Mortimer, P., Müller, J., Henrik Nilsson, R., Nonti, P. Y. C., Nordén, J., Nordén, B., Norros, V., Paz, C., Pellikka, P., Pereira, D., Petch, G., Pitkänen, J., Popa, F., Potter, C., Purhonen, J., Pätsi, S., Rafiq, A., Raharinjanahary, D., Rakos, N., Rathnayaka, A. R., Raundrup, K., Rebriev, Y. A., Rikkinen, J., Rogers, H. M. K., Rogovsky, A., Rozhkov, Y., Runnel, K., Saarto, A., Savchenko, A., Schlegel, M., Martin Schmidt, N., Seibold, S., Skjøth, C., Stengel, E., Sutyrina, S. V., Syvänperä, I., Tedersoo, L., Timm, J., Tipton, L., Toju, H., Uscka-Perzanowska, M., van der Bank, M., Herman van der Bank, F., Vandenbrink, B., Ventura, S., Vignisson, S. R., Wang, X., Weisser, W. W., Wijesinghe, S. N., Joseph Wright, S., Yang, C., Yorou, N. S., Young, A., Yu, D. W., Zakharov, E. V., Hebert, P. D. N., Roslin, T., and Ovaskainen, O.: Airborne DNA reveals predictable spatial and seasonal dynamics of fungi, Nature, 631, 835–842, https://doi.org/10.1038/s41586-024-07658-9, 2024. 
Barr, S. L., Wyld, B., McQuaid, J. B., Neely Iii, R. R., and Murray, B. J.: Southern Alaska as a source of atmospheric mineral dust and ice-nucleating particles, Sci. Adv., 9, eadg3708, https://doi.org/10.1126/sciadv.adg3708, 2023. 
Barry, K. R., Hill, T. C. J., Jentzsch, C., Moffett, B. F., Stratmann, F., and DeMott, P. J.: Pragmatic protocols for working cleanly when measuring ice nucleating particles, Atmos. Res., 250, 105419, https://doi.org/10.1016/j.atmosres.2020.105419, 2021. 
Barry, K. R., Hill, T. C. J., Moore, K. A., Douglas, T. A., Kreidenweis, S. M., DeMott, P. J., and Creamean, J. M.: Persistence and Potential Atmospheric Ramifications of Ice-Nucleating Particles Released from Thawing Permafrost, Environ. Sci. Technol., 57, 3505–3515, https://doi.org/10.1021/acs.est.2c06530, 2023a. 
Barry, K. R., Hill, T. C. J., Nieto-Caballero, M., Douglas, T. A., Kreidenweis, S. M., DeMott, P. J., and Creamean, J. M.: Active thermokarst regions contain rich sources of ice-nucleating particles, Atmos. Chem. Phys., 23, 15783–15793, https://doi.org/10.5194/acp-23-15783-2023, 2023b. 
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Short summary
The Arctic is changing rapidly, and we sought to better understand how Arctic clouds may change in the future through quantifying the ice-forming particles over a year and uncovering what they are made of. We determined their likely sources through concurrent DNA sequencing of airborne bacteria and fungi and found persistent mixtures of local and longer-range sources at all times.
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