Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
ACP
Articles | Volume 25, issue 17
Articles | Volume 25, issue 17
https://doi.org/10.5194/acp-25-9583-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-25-9583-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 25, issue 17
Research article
 | 
01 Sep 2025
Research article |  | 01 Sep 2025

Impact of topographic wind conditions on dust particle size distribution: insights from a regional dust reanalysis dataset

Xinyue Huang, Wenyu Gao, and Hosein Foroutan

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Short summary
This study investigates the relationship between the size of windblown dust aerosols and wind conditions over topography at a regional scale, utilizing 10 years of dust reanalysis data. Linear regression and machine learning models suggest that greater wind speeds and land slopes, particularly under uphill winds, are associated with increased fractions of coarser dust. Moreover, these positive correlations weaken during summer and afternoon events, probably related to the haboob storms.
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