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Volume 11, issue 16
Atmos. Chem. Phys., 11, 8231–8256, 2011
https://doi.org/10.5194/acp-11-8231-2011
© Author(s) 2011. This work is distributed under
the Creative Commons Attribution 3.0 License.
Atmos. Chem. Phys., 11, 8231–8256, 2011
https://doi.org/10.5194/acp-11-8231-2011
© Author(s) 2011. This work is distributed under
the Creative Commons Attribution 3.0 License.

Review article 15 Aug 2011

Review article | 15 Aug 2011

Recent progress in understanding physical and chemical properties of African and Asian mineral dust

P. Formenti1, L. Schütz2, Y. Balkanski3, K. Desboeufs1, M. Ebert4, K. Kandler4, A. Petzold5, D. Scheuvens2,4, S. Weinbruch4, and D. Zhang6 P. Formenti et al.
  • 1Laboratoire Interuniversitaire des Systémes Atmosphériques (LISA), UMR7583, Université Paris Est Créteil et Université Paris Diderot, Institut Pierre Simon Laplace, Créteil, France
  • 2Institut für Physik der Atmosphäre, Johannes-Gutenberg-Universität, Mainz, Germany
  • 3Laboratoire des Sciences du Climat et de l'Environnement (LSCE), CEA-CNRS-UVSQ, Institut Pierre Simon Laplace, L'Orme des Merisiers, France
  • 4Institut für Angewandte Geowissenschaften, Technische Universität Darmstadt, Darmstadt, Germany
  • 5Deutsches Zentrum für Luft- und Raumfahrt (DLR), Institut für Physik der Atmosphäre Oberpfaffenhofen, Wessling, Germany
  • 6Prefectural University of Kumamoto, Kumamoto, Japan

Abstract. This paper presents a review of recently acquired knowledge on the physico-chemical properties of mineral dust from Africa and Asia based on data presented and discussed during the Third International Dust Workshop, held in Leipzig (Germany) in September 2008.

Various regional field experiments have been conducted in the last few years, mostly close to source regions or after short-range transport. Although significant progress has been made in characterising the regional variability of dust properties close to source regions, in particular the mineralogy of iron and the description of particle shape and mixing state, difficulties remain in estimating the range of variability of those properties within one given source region. As consequence, the impact of these parameters on aerosol properties like optical properties, solubility, hygroscopicity, etc. – determining the dust impact on climate – is only partly understood. Long-term datasets in remote regions such as the dust source regions remain a major desideratum.

Future work should also focus on the evolution of dust properties during transport. In particular, the prediction of the mineral dust size distribution at emission and their evolution during transport should be considered as a high-priority.

From the methodological point of view, a critical assessment and standardisation of the experimental and analytical techniques is highly recommended. Techniques to characterize the internal state of mixing of dust particles, particularly with organic material, should be further developed.

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