Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
ACP
Articles | Volume 19, issue 2
Articles | Volume 19, issue 2
https://doi.org/10.5194/acp-19-1041-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-19-1041-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 19, issue 2
Research article
 | 
28 Jan 2019
Research article |  | 28 Jan 2019

Effects of turbulence structure and urbanization on the heavy haze pollution process

Yan Ren, Hongsheng Zhang, Wei Wei, Bingui Wu, Xuhui Cai, and Yu Song

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Short summary
During the heavy pollution process, there are overestimations regarding the exchange between the atmosphere and surface since the normal calculation of turbulent fluxes includes the impact of sub-mesoscale motion. The intermittent turbulence intensity is closely related to the concentration of PM2.5. The intermittency is weaker over the complex surface condition than over the flat terrain, and urbanization reduces the degree of weakening in turbulent exchange during the heavy pollution process.
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