Articles | Volume 22, issue 22
https://doi.org/10.5194/acp-22-14905-2022
https://doi.org/10.5194/acp-22-14905-2022
Measurement report
 | 
23 Nov 2022
Measurement report |  | 23 Nov 2022

Measurement report: The Urmia playa as a source of airborne dust and ice-nucleating particles – Part 1: Correlation between soils and airborne samples

Nikou Hamzehpour, Claudia Marcolli, Sara Pashai, Kristian Klumpp, and Thomas Peter

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The Urmia playa as a source of airborne dust and ice-nucleating particles – Part 2: Unraveling the relationship between soil dust composition and ice nucleation activity
Nikou Hamzehpour, Claudia Marcolli, Kristian Klumpp, Debora Thöny, and Thomas Peter
Atmos. Chem. Phys., 22, 14931–14956, https://doi.org/10.5194/acp-22-14931-2022,https://doi.org/10.5194/acp-22-14931-2022, 2022
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Subject: Aerosols | Research Activity: Field Measurements | Altitude Range: Troposphere | Science Focus: Physics (physical properties and processes)
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Cited articles

Abouchami, W., Näthe, K., Kumar, A., Galer, S. J. G, Jochum, K. P., Williams, E., Horbe, A. M. C., Rosa, J. W. C., Balsam, W., Adams, D., Mezger K., and Andreae, M. O.: Geochemical and isotopic characterization of the Bodélé depression dust source and implications for transatlantic dust transport to the Amazon Basin, Earth Planet. Sc. Lett., 380, 112–123, https://doi.org/10.1016/j.epsl.2013.08.028, 2013. 
Abuduwaili, J., Liu, D., and Wu, G.: Saline dust storms and their ecological impacts in arid regions, J. Arid Land, 2, 144–150, 2010. 
Ahmady-Birgani, H., Mirnejad, H., Feiznia, S., and McQueen, K.: Mineralogy and geochemistry of atmospheric particulates in western Iran, Atmos. Environ., 119, 262–272, https://doi.org/10.1016/j.atmosenv.2015.08.021, 2015. 
Ahmady-Birgani, H., Ravan, P., Schlosser, J. S., Cuevas-Robles, A., AzadiAghdam, M., and Sorooshian, A.: On the chemical nature of wet deposition over a major desiccated lake: Case study for Lake Urmia basin, Atmos. Res., 234, 104762, https://doi.org/10.1016/j.atmosres.2019.104762, 2020. 
Al-Dabbas, M. A., Ayad Abbas, M., and Al-Khafaji, R. M.: Dust storms loads analyses – Iraq, Arab. J. Geosci., 5, 121–131, https://doi.org/10.1007/s12517-010-0181-7, 2012. 
Short summary
Playa surfaces in Iran that emerged through Lake Urmia (LU) desiccation have become a relevant dust source of regional relevance. Here, we identify highly erodible LU playa surfaces and determine their physicochemical properties and mineralogical composition and perform emulsion-freezing experiments with them. We find high ice nucleation activities (up to 250 K) that correlate positively with organic matter and clay content and negatively with pH, salinity, K-feldspars, and quartz.
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