Articles | Volume 19, issue 18
https://doi.org/10.5194/amt-19-5951-2026
https://doi.org/10.5194/amt-19-5951-2026
Research article
 | 
18 Sep 2026
Research article |  | 18 Sep 2026

Role of low-level jet evolution in vertical aerosol redistribution: a Doppler wind lidar study over East China

Tianle Bai, Yuanyi Lin, Mengya Wang, Tianwen Wei, Fangzhi Wei, Kuancheng Lv, and Haiyun Xia

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Cited articles

Andújar-Maqueda, J., Ortiz-Amezcua, P., Demoz, B., Roots, M., Abril-Gago, J., Pandey, S., Pérez-Ramírez, D., Alados-Arboledas, L., and Guerrero-Rascado, J. L.: Doppler lidar observations of low-level jets and wind maxima over urban complex terrain in the southeastern Iberian Peninsula, Urban Clim., 65, 102744, https://doi.org/10.1016/j.uclim.2025.102744, 2026. 
Banakh, V. A., Brewer, A., Pichugina, E. L., and Smalikho, I. N.: Measurements of wind velocity and direction with coherent Doppler lidar in conditions of a weak echo signal, Atmos. Oceanic Opt., 23, 381–388, https://doi.org/10.1134/S1024856010050076, 2010. 
Banakh, V. A., Smalikho, I. N., and Falits, A. V.: Estimation of the turbulence energy dissipation rate in the atmospheric boundary layer from measurements of the radial wind velocity by micropulse coherent Doppler lidar, Opt. Express, 25, 22679–22692, https://doi.org/10.1364/oe.25.022679, 2017. 
Banta, R. M., Newsom, R. K., Lundquist, J. K., Pichugina, Y. L., Coulter, R. L., and Mahrt, L.: Nocturnal low-level jet characteristics over Kansas during CASES-99, Bound.-Lay. Meteorol., 105, 221–252, https://doi.org/10.1023/A:1019992330866, 2002. 
Beu, C. M. L. and Landulfo, E.: Turbulence kinetic energy dissipation rate estimate for a low-level jet with Doppler lidar data: A case study, Earth Interact., 26, 112–121, https://doi.org/10.1175/EI-D-20-0027.1, 2022. 
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This study investigates how fast-moving air currents close to the ground influence the vertical transport of dust over Hefei in eastern China. Using laser-based wind observations during two dust events, it shows that one event rapidly brings dust down to the surface, whereas the other keeps dust suspended at higher altitudes and delays surface pollution. These findings improve understanding of how dust is redistributed in the lower atmosphere and help improve weather and air-quality forecasts.
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