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Jordan Schnell
325 Broadway
Boulder, CO 80305-3328


Jordan Schnell - Research Associate

Research Interests

• Chemical transport modeling and air quality forecasting
• Weather-chemistry interactions and feedbacks
• High-resolution/urban air quality mitigation


  • Ph.D., Earth System Science, University of California, Irvine, August 2016
  • M.S., Earth System Science, University of California, Irvine, December 2013
  • B.S., Mathematics, Indiana University, Bloomington, May 2011
  • B.S., Environmental Science, Indiana University, Bloomington, May 2011


Research Associate                                 CIRES at CU Boulder; NOAA GSL
February 2020 – Present                        Supervisor: Dr. Ravan Ahmadov
Postdoctoral Research Fellow              Northwestern University; Dept. Earth & Planetary Sciences; ISEN
September 2017 – January 2020           Adviser: Dr. Daniel Horton
Postdoctoral Research Associate         Princeton University; AOS & NOAA GFDL
September 2016 – August 2017              Adviser: Dr. Vaishali Naik
Graduate Student Researcher             UC Irvine; Dept. Earth System Science
September 2011 – August 2016              Adviser: Dr. Michael Prather
Undergraduate Researcher                 Indiana University, Bloomington; Geography
 September 2010 – May 2011               Adviser: Dr. Scott Robeson


Schnell, J. L., D. R. Peters, D. C. Wong, X. Lu, H. Gao, H. Zhang, P. L. Kinney, and D. E. Horton, Potential for electric vehicle adoption to mitigate extreme air quality events in China, Earth’s Future, doi: 10.1029/2020EF001788.
Horowitz, L. W., Naik, V., Paulot, F., Ginoux, P. A., Dunne, J. P., Mao, J., & Schnell, J. L. et al. (2020). The GFDL global atmospheric chemistry‐climate model AM4.1: Model description and simulation characteristics. Journal of Advances in Modeling Earth Systems, 12, e2019MS002032.

Diffenbaugh, N. S., C. B. Field, E. A. Appel, I. L. Azevedo, D. D. Baldocchi, M. Burke, J. A. Burney, P. Ciais, S. J. Davis, A. M. Fiore, S. M. Fletcher, T. W. Hertel, D. E. Horton, S. M. Hsiang, R. B. Jackson, X. Jin, M. Levi, D. B. Lobell, G. A. Mckinley, F. C. Moore, A. Montgomery, K. C. Nadeau, D. E. Pataki, J. T. Randerson, M. Reichstein, J. L. Schnell, S. I. Seneviratne, D. Singh, A. L. Steiner, and G. Wong-Parodi (2020), The COVID-19 lockdowns: a window into the Earth System, Nat. Rev. Earth & Env.

Schnell, J. L., V. Naik, L. W. Horowitz, F. Paulot, P. Ginoux, M. Zhao, and D. E. Horton (2019), Air quality impacts from the electrification of light-duty passenger vehicles in the United States, Atmos. Environ., 208, 95-102,

Schnell, J. L., V. Naik, L. W. Horowitz, F. Paulout, P. Ginoux, J. Mao, and M. Zhao (2018), Exploring the relationship between surface PM2.5 and meteorology over Northern India, Atmos. Chem. Phys., 18, 10157-10175,

Young, P. J., V. Naik, J. Brandt, R. Doherty, A. M. Fiore, L. Hu, U. Im, R. Kumar, A. Luhar, L. Murray, D. A. Parrish, D. Plummer, H. Reider, J. Rodriguez, J. L. Schnell, S. Tilmes, O. Wild, M. Woodhouse, G. Zeng, L. Zhang, J. Ziemke, M. Lin, and M. Schultz (2018), Assessment of global-scale model performance for global and regional ozone distributions, variability, and trends. In: Tropospheric Ozone Assessment Report (TOAR), Elem. Sci. Anth., 6(1), doi:

Schnell, J. L., and M. J. Prather (2017), Co-occurrence of extremes in surface ozone, particulate matter, and temperature over Eastern North America, Proc. Natl. Acad. Sci., 114 (11), doi:10.1073/pnas.1614453114.
Schnell, J. L., M. J. Prather, B. Josse, V. Naik, L. W. Horowitz, G. Zeng, D. T. Shindell, and G. Faluvegi (2016), Effect of climate change on surface ozone over North America, Europe, and East Asia, Geophys. Res. Lett., 43, 3509–3518, doi:10.1002/2016GL068060.

Schnell, J. L., M. J. Prather, B. Josse, V. Naik, L. W. Horowitz, P. Cameron-Smith, D. Bergmann, G. Zeng, D. A. Plummer, K. Sudo, T. Nagashima, D. T. Shindell, G. Faluvegi, and S. A. Strode (2015), Use of North American and European air quality networks to evaluate global chemistry-climate modeling of surface ozone, Atmos. Chem. Phys., 15(18), 10581-10596, doi: 10.5194/acp-15-10581-2015.
Schnell, J. L., C. D. Holmes, A. Jangam, and M. J. Prather (2014), Skill in forecasting extreme ozone pollution episodes with a global atmospheric chemistry model, Atmos. Chem. Phys., 14(15), 7721-7739, doi:10.5194/acp-14-7721-2014