Dr. Shixian ZHAI is currently an Assistant Professor at the Chinese University of Hong Kong. Shixian ZHAI's group at CUHK is recruiting PhD students, postdocs, and research assistants. Please contact shixianzhai@cuhk.edu.hk if you are interested!

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My CV    My Google Scholar

Shixian is currently a Research Associate working with Prof. Daniel J. Jacob at Harvard University. Shixian’s work focuses on better understanding particulate matter and ozone air quality in East Asia, global chemistry of tropospheric oxidants, and nitrogen deposition. Shixian uses the GEOS-Chem chemical transport model to interpret observations from multiple platforms including satellites, aircraft, and ground networks. Shixian also develops and uses the adjoint version of an atmospheric chemical transport model and the machine learning technique to identify pollution sources. Shixian has first authored and co-authored 30 peer-reviewed publications in top journals like Nature Geoscience, PNAS, Atmospheric Chemistry and Physics, Geoscientific Model Development, etc. Several of Shixian’s first-authored publications have presented innovative achievements, ranking as hot (top 0.1% in geoscience) or highly cited (top 1% in geoscience) publications by Web of Science.                                                                           

NEWS! My second hot paper :)

My first hot paper is the 2019 ACP paper: https://doi.org/10.5194/acp-19-11031-2019.

Research Highlights

  • NEW!! Zhai, S.; Jacob, D. J. et al. Coarse particulate matter air quality in East Asia: implications for fine particulate nitrate, Atmos. Chem. Phys. (2023). (Innovative research). Link
  • Zhai, S.; Jacob, D. J. et al. Control of particulate nitrate air pollution in China, Nature Geoscience (2021). (Hot paper, top 0.1% in geoscience). Link
  • Zhai, S.; Jacob, D. J. et al. Fine particulate matter (PM2.5) trends in China, 2013-2018: separating contributions from anthropogenic emissions and meteorology. Atmos. Chem. Phys. (2019). (Hot paper, top 0.1% in geoscience; Top journal, ranking top 3% in Earth and Planetary Sciences). Link
  • Zhai, S.; Jacob, D. J. et al. Relating geostationary satellite measurements of aerosol optical depth (AOD) over East Asia to fine particulate matter (PM2.5): insights from the KORUS-AQ aircraft campaign and GEOS-Chem model simulations, Atmos. Chem. Phys. (2021). (An integrated analysis of satellite, aircraft, and surface data with the GEOS-Chem atmospheric chemical transport model). Link
  • Development and application of the adjoint of an atmospheric chemistry model GRAPES-CUACE (Shixian is the leading developer of the first atmospheric chemistry adjoint model in China; Zhai, S. et al., ACP, 2018; An, X. and Zhai, S. et al., GMD, 2016).
  • Effective control of PM2.5 pollution in Beijing: Lagrangian model (FLEXPART) tracking and Eulerian model (CMAQ) assessment (Zhai S. et al., AE, 2015; Zhai S. et al., CES, 2014; Zhai S. et al., CES, 2015).

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