Articles | Volume 16, issue 16
Atmos. Chem. Phys., 16, 10707–10724, 2016
https://doi.org/10.5194/acp-16-10707-2016
Atmos. Chem. Phys., 16, 10707–10724, 2016
https://doi.org/10.5194/acp-16-10707-2016

Research article 30 Aug 2016

Research article | 30 Aug 2016

Simulations of sulfate–nitrate–ammonium (SNA) aerosols during the extreme haze events over northern China in October 2014

Dan Chen et al.

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Extreme haze events occurred frequently over China recently, and adequately predicting peak PM2.5 concentrations is still challenging. In this study, the sulfate–nitrate–ammonium relevant heterogeneous reactions were parameterized for the first time in the WRF-Chem model. We evaluated the performance of WRF-Chem and used the model to investigate the sensitivity of heterogeneous reactions on simulated peak sulfate, nitrate, and ammonium concentrations in the vicinity of Beijing during October 2014.
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