Articles | Volume 18, issue 23
https://doi.org/10.5194/acp-18-17387-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/acp-18-17387-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
The impact of multi-species surface chemical observation assimilation on air quality forecasts in China
Zhen Peng
CORRESPONDING AUTHOR
School of Atmospheric Sciences, Nanjing University, Nanjing, China
Lili Lei
School of Atmospheric Sciences, Nanjing University, Nanjing, China
Key Laboratory of Mesoscale Severe Weather/Ministry of Education, Nanjing
University, Nanjing, China
National Center for Atmospheric Research, Boulder, Colorado, USA
Jianning Sun
School of Atmospheric Sciences, Nanjing University, Nanjing, China
Jiangsu Provincial Collaborative Innovation Center for Climate Change,
Nanjing, China
Aijun Ding
School of Atmospheric Sciences, Nanjing University, Nanjing, China
Jiangsu Provincial Collaborative Innovation Center for Climate Change,
Nanjing, China
Junmei Ban
National Center for Atmospheric Research, Boulder, Colorado, USA
Institute of Urban Meteorology, CMA, Beijing, China
Xingxia Kou
Institute of Urban Meteorology, CMA, Beijing, China
Kekuan Chu
School of Atmospheric Sciences, Nanjing University, Nanjing, China
Key Laboratory of Mesoscale Severe Weather/Ministry of Education, Nanjing
University, Nanjing, China
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Latest update: 14 Dec 2024
Short summary
An EnKF system was developed to simultaneously assimilate multiple surface measurements, including PM10, PM2.5, SO2, NO2, O3, and CO, via the joint adjustment of ICs and source emissions. Large improvements were achieved in the first 24 h forecast for PM2.5, PM10, SO2, and CO during an extreme haze episode that occurred in early October 2014 over the North China Plain, but no improvements were achieved for NO2 and O3.
An EnKF system was developed to simultaneously assimilate multiple surface measurements,...
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