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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Latest update: 09 Oct 2024
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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