Articles | Volume 19, issue 13
https://doi.org/10.5194/acp-19-8619-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-19-8619-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
08 Jul 2019
Research article |
| 08 Jul 2019
| 08 Jul 2019
The 2015 and 2016 wintertime air pollution in China: SO2 emission changes derived from a WRF-Chem/EnKF coupled data assimilation system
Institute of Urban Meteorology, China Meteorological Administration,
Beijing, 100089, China
National Center for Atmospheric Research, Boulder, CO 80301, USA
Junmei Ban
National Center for Atmospheric Research, Boulder, CO 80301, USA
Min Chen
Institute of Urban Meteorology, China Meteorological Administration,
Beijing, 100089, China
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Latest update: 20 Nov 2024
Short summary
We updated the WRF/Chem-EnKF DA system to quantitatively estimate SO2 emissions using hourly surface observations as constraints. The 2010 MEIC prior emissions were used to generate January 2015 and 2016 analyzed emissions, which revealed inhomogeneous SO2 emission changes for northern, western, and southern China. These changes were related to facts in reality, indicating that the updated DA system was capable of detecting emission deficiencies and optimizing emissions.
We updated the WRF/Chem-EnKF DA system to quantitatively estimate SO2 emissions using hourly...
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