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Dr Ryan Pound

0000-0003-1547-6565
Email: ryan.pound@york.ac.uk 

Research Interests

Humanity has changed the energy balance of the Earth's natural systems and climate (IPCC 2014). Anthropogenic emissions of greenhouse gasses, driven by the growth of economies and an increasing global population, have decreased the quality of the air we breathe, leading to millions of premature deaths across the world (WHO 2022). Computer models of the atmosphere offer insights into our changing atmosphere on regional and global scales.

Natural systems, particularly interactions between the ocean and atmosphere, play a key role in regulating the Earth's atmosphere, and computer model accuracy depends on how well these systems are represented. My research focuses on improving the representation of ocean-atmosphere interactions in the open-source global chemistry transport model GEOS-Chem and the development of a new box model to improve our understanding of the physical, chemical and biological processes happening at the interface between the ocean surface and the atmosphere. This has largely focused on the role of iodine in tropospheric ozone destruction.

By incorporating experimental results and observational data from our research group at WACL and beyond, I have implemented several model updates which have been made available to the global GEOS-Chem user community through model version updates and conducted model experiments to quantify and further our understanding of tropospheric ozone chemistry in remote regions.

Selected Publications

• Pound, R. J., Durcan, D. P., Evans, M. J., and Carpenter, L. J. (2023). Comparing the importance of iodine and isoprene on tropospheric photochemistry. Geophysical Research Letters, 50, e2022GL100997. https://doi.org/10.1029/2022GL100997
• Pound, R. J., Sherwen, T., Helmig, D., Carpenter, L. J., and Evans, M. J.: Influences of oceanic ozone deposition on tropospheric photochemistry, Atmos. Chem. Phys., 20, 4227–4239, 2020.
• Loades, D. C., Yang, M., Bell, T. G., Vaughan, A. R., Pound, R. J., Metzger, S., Lee, J. D., and Carpenter, L. J.: Ozone deposition to a coastal sea: comparison of eddy covariance observations with re‑active air–sea exchange models, Atmos. Meas. Tech., 13, 6915–6931, 2020
• Crilley, L. R., Shaw, M., Pound, R., Kramer, L. J., Price, R., Young, S., Lewis, A. C., and Pope, F. D.: Evaluation of a low-cost optical particle counter (Alphasense OPC‑N2) for ambient air monitoring, Atmos. Meas. Tech., 11, 709–720, 2018