Atmospheric ice nuclei in the Eyjafjallajökull volcanic ash plume

Explosive volcanism affects weather and climate. Primary volcanic ash particles which act as ice nuclei (IN) can modify the phase and properties of cold tropospheric clouds. During the Eyjafjallajökull volcanic eruption 
Explosive volcanism affects weather and climate. Primary volcanic ash particles which act as ice nuclei (IN) can modify the phase and properties of cold tropospheric clouds. During the Eyjafjallajökull volcanic eruption we have measured the highest ice nucleus number concentrations (>600 L) in our record of 2 years of daily IN measurements in central Germany. Even in Israel, located about 5000 km away from Iceland, IN were as high as otherwise only during desert dust storms. These measurements are the only ones available on the properties of IN in the Eyjafjallajökull plume. The measured high concentrations and high activation temperature (−8 °C) point to an important impact of volcanic ash on microphysical and radiative properties of clouds through enhanced glaciation.
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Author:Heinz Bingemer, Holger Klein, Martin Ebert, Werner Haunold, Ulrich Bundke, Thomas Herrmann, Konrad Kandler, Dörthe Müller-Ebert, Stephan Weinbruch, Anna Judt, Karin Ardon-Dryer, Zev Levin, Joachim Curtius
URN:urn:nbn:de:hebis:30:3-267782
DOI:http://dx.doi.org/10.5194/acpd-11-2733-2011
ISSN:1680-7375
ISSN:1680-7367
Parent Title (English):Atmospheric chemistry and physics / Discussions
Publisher:European Geosciences Union
Place of publication:Katlenburg-Lindau
Document Type:Article
Language:English
Date of Publication (online):2011/01/24
Date of first Publication:2011/01/24
Publishing Institution:Univ.-Bibliothek Frankfurt am Main
Release Date:2012/10/15
Volume:11
Pagenumber:16
First Page:2733
Last Page:2748
Note:
© Author(s) 2011. CC Attribution 3.0 License.
Institutes:Geowissenschaften
Dewey Decimal Classification:550 Geowissenschaften
Sammlungen:Universitätspublikationen
Licence (German):License LogoCreative Commons - Namensnennung 3.0

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