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Titel: The immersion mode ice nucleation behavior of mineral dusts: A comparison of different pure and surface modified dusts
Autor(en): Augustin-Bauditz, S.Wex, H.Kanter, S.Ebert, M.Niedermeier, D.Stolz, F.Prager, A.Stratmann, F.
Verlagsversion: https://doi.org/10.1002/2014GL061317
URI: https://doi.org/10.34657/1340
https://oa.tib.eu/renate/handle/123456789/837
Erscheinungsjahr: 2014
Publiziert in: Geophysical research letters, Volume 41, Issue 20, Page 7375-7382
Verlag: Hoboken, NJ : Wiley
Abstract: In this study we present results from immersion freezing experiments with size-segregated mineral dust particles. Besides two already existing data sets for Arizona Test Dust (ATD), and Fluka kaolinite, we show two new data sets for illite-NX, which consists mainly of illite, a clay mineral, and feldspar, a common crustal material. The experiments were carried out with the Leipzig Aerosol Cloud Interaction Simulator. After comparing the different dust samples, it became obvious that the freezing ability was positively correlated with the K-feldspar content. Furthermore, a comparison of the composition of the ATD, illite-NX, and feldspar samples suggests that within the K-feldspars, microcline is more ice nucleation active than orthoclase. A coating with sulfuric acid leads to a decrease in the ice nucleation ability of all mineral dusts, with the effect being more pronounced for the feldspar sample. Key Points The freezing ability of mineral dusts correlated with the K-feldspar contentAmong feldspars, microcline shows a better ice nucleation ability than orthoclaseAfter coating, all investigated dusts feature a similar ice nucleation ability.
Schlagwörter: clay minerals; feldspar; ice nuclei; immersion freezing; mineral dust; sulfuric acid coating
Publikationstyp: article; Text
Publikationsstatus: publishedVersion
DDC: 550
Lizenz: CC BY 3.0 Unported
Link zur Lizenz: https://creativecommons.org/licenses/by/3.0/
Enthalten in den Sammlungen:Geowissenschaften

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Augustin-Bauditz, S., H. Wex, S. Kanter, M. Ebert, D. Niedermeier, F. Stolz, A. Prager and F. Stratmann, 2014. The immersion mode ice nucleation behavior of mineral dusts: A comparison of different pure and surface modified dusts. 2014. Hoboken, NJ : Wiley
Augustin-Bauditz, S., Wex, H., Kanter, S., Ebert, M., Niedermeier, D., Stolz, F., Prager, A. and Stratmann, F. (2014) “The immersion mode ice nucleation behavior of mineral dusts: A comparison of different pure and surface modified dusts.” Hoboken, NJ : Wiley. doi: https://doi.org/10.1002/2014GL061317.
Augustin-Bauditz S, Wex H, Kanter S, Ebert M, Niedermeier D, Stolz F, Prager A, Stratmann F. The immersion mode ice nucleation behavior of mineral dusts: A comparison of different pure and surface modified dusts. Hoboken, NJ : Wiley; 2014.
Augustin-Bauditz, S., Wex, H., Kanter, S., Ebert, M., Niedermeier, D., Stolz, F., Prager, A., & Stratmann, F. (2014). The immersion mode ice nucleation behavior of mineral dusts: A comparison of different pure and surface modified dusts (Version publishedVersion). Version publishedVersion. Hoboken, NJ : Wiley. https://doi.org/https://doi.org/10.1002/2014GL061317
Augustin-Bauditz S, Wex H, Kanter S, Ebert M, Niedermeier D, Stolz F, Prager A, Stratmann F. The immersion mode ice nucleation behavior of mineral dusts: A comparison of different pure and surface modified dusts. Published online 2014. doi:https://doi.org/10.1002/2014GL061317


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