Articles | Volume 24, issue 1
https://doi.org/10.5194/acp-24-745-2024
https://doi.org/10.5194/acp-24-745-2024
Research article
 | 
18 Jan 2024
Research article |  | 18 Jan 2024

Wind-driven emissions of coarse-mode particles in an urban environment

Markus D. Petters, Tyas Pujiastuti, Ajmal Rasheeda Satheesh, Sabin Kasparoglu, Bethany Sutherland, and Nicholas Meskhidze

Data sets

Optical Particle Counter (AOSOPC) E. Cromwell and A. Singh https://doi.org/10.5439/1824224

ARM: Doppler Lidar - Fixed Pointing mode R. Newsom and R. Krishnamurthy https://doi.org/10.5439/1025185

interpolatedsonde M. Jensen, S. Giangrande, T. Fairless, T., and A. Zhou https://doi.org/10.5439/1095316

Surface Meteorological Instrumentation (MET) J. Kyrouac and Y. Shi https://doi.org/10.5439/1786358

Eddy Correlation Flux Measurement System R. Sullivan, D. Billesbach, E. Keeler, and B. Ermold https://doi.org/10.5439/1025039

dlprofwind4news.c1 T. Shippert, R. Newsom, and L. Riihimaki https://doi.org/10.5439/1178582

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Short summary
This work introduces a new method that uses remote sensing techniques to obtain surface number emissions of particles with a diameter greater than 500 nm. The technique was applied to study particle emissions at an urban site near Houston, TX, USA. The emissions followed a diurnal pattern and peaked near noon local time. The daily averaged emissions correlated with wind speed. The source is likely due to wind-driven erosion of material situated on asphalted and other hard surfaces.
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