Articles | Volume 20, issue 21
https://doi.org/10.5194/acp-20-13521-2020
https://doi.org/10.5194/acp-20-13521-2020
Research article
 | 
12 Nov 2020
Research article |  | 12 Nov 2020

Distinct chemical and mineralogical composition of Icelandic dust compared to northern African and Asian dust

Clarissa Baldo, Paola Formenti, Sophie Nowak, Servanne Chevaillier, Mathieu Cazaunau, Edouard Pangui, Claudia Di Biagio, Jean-Francois Doussin, Konstantin Ignatyev, Pavla Dagsson-Waldhauserova, Olafur Arnalds, A. Robert MacKenzie, and Zongbo Shi

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Cited articles

Achterberg, E. P., Moore, C. M., Henson, S. A., Steigenberger, S., Stohl, A., Eckhardt, S., Avendano, L. C., Cassidy, M., Hembury, D., Klar, J. K., Lucas, M. I., Macey, A. I., Marsay, C. M., and Ryan-Keogh, T. J.: Natural iron fertilization by the Eyjafjallajökull volcanic eruption, Geophys. Res. Lett., 40, 921–926, https://doi.org/10.1002/grl.50221, 2013. 
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Arnalds, O.: Dust sources and deposition of aeolian materials in Iceland, Iceland. Agr. Sci., 23, 3–21, 2010. 
Arnalds, O.: The soils of Iceland, World Soils Book Series, Springer, Dordrecht, ISBN 978-94-017-9620-0, 2015. 
Arnalds, O., Gisladottir, F. O., and Sigurjonsson, H.: Sandy deserts of Iceland: an overview, J. Arid Environ., 47, 359–371, https://doi.org/10.1006/jare.2000.0680, 2001. 
Short summary
We showed that Icelandic dust has a fundamentally different chemical and mineralogical composition from low-latitude dust. In particular, magnetite is as high as 1 %–2 % of the total dust mass. Our results suggest that Icelandic dust may have an important impact on the radiation balance in the subpolar and polar regions.
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