Articles | Volume 22, issue 19
https://doi.org/10.5194/acp-22-13183-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.Four-dimensional variational assimilation for SO2 emission and its application around the COVID-19 lockdown in the spring 2020 over China
Data sets
NCEP FNL Operational Model Global Tropospheric Analyses https://rda.ucar.edu/datasets/ds083.2/
MEICv1.0-v1.3 http://meicmodel.org/?page_id=541&lang=en
Real-time national air quality http://www.cnemc.cn/en/