Research Interests

• Aerosol and cloud microphysics
• Cloud dynamics
• Weather and climate model development
• Numerical modeling of particle-laden flows

PhD, Mechanical Engineering, Carnegie Mellon University, Pittsburgh, Pennsylvania

MS, Mechanical Engineering, Carnegie Mellon University, Pittsburgh, Pennsylvania

BE, Mechanical Engineering, American University of Beirut, Beirut, Lebanon

Beydoun, H., Caldwell, P.M., Stein, E.V., Wharton, S. Tracing the rain formation pathways in numerical simulations of deep convection. Under Review.

Beydoun, H., Caldwell, P.M., Hannah, W.M., and Donahue, A.S. Dissecting anvil cloud response to sea surface warming. doi: 10.1029/2021GL094049. Geophysical Research Letters.

Caldwell, P. M., Terai, C. R., Hillman, B. R., Keen, N. D., Bogenschutz, P. A., Lin, W., Beydoun, H., Taylor, M. A., Bertagna, L., Bradley, A., Clevenger, T. C., Donahue, A. S., Eldred, C., Foucar, J. G., Golaz, J.-C., Guba, O., Jacob, R. L., Johnson, J., Krishna, J., … Zender, C. S. (2021). Convection-Permitting Simulations with the E3SM Global Atmosphere Model. Journal of Advances in Modeling Earth Systems, 13, e2021MS002544. https://doi. org/10.1029/2021MS002544

Sullivan, R.C., Boyer-Chelmo, H., Gorowski, K., Beydoun, H. Aerosol Optical Tweezers Elucidate the Chemistry, Acidity, Phase Separations, and Morphology of Atmospheric Microdroplets. doi: 10.1021/acs.accounts.0c00407. Accounts of Chemical Research 53(11):2498-2509, 2020.

Beydoun, H., and Hoose, C. Aerosol-cloud-precipitation interactions in the context of convective self-aggregation. Journal of Advances in Modeling Earth Systems. doi: 10.1029/2018MS001523, 2019

Hiranuma, N., Adachi, K., Bell, D., Belosi, F., Beydoun, H., et al. A comprehensive characterization of ice nucleation by three different types of cellulose particles immersed in water: lessons learned and future research directions. Atmospheric Chemistry and Physics. doi: 10.5194/acp-2018-933, 2018.

Beydoun, H., Polen, M., and Sullivan, R. C.: A new multicomponent heterogeneous ice nucleation model and its application to Snomax bacterial particles and a Snomax–illite mineral particle mixture Atmospheric Chemistry and Physics, 17, 13545-13557, doi: 10.5194/acp-17-13545-2017, 2017.

Beydoun, H., Polen, M., and Sullivan, R.C. Effect of particle surface area on ice active site densities retrieved from droplet freezing spectra. Atmospheric Chemistry and Physics, 16, 13359-13378, doi:10.5194/acp-16-13359- 2016.

Gorkowski, K. Beydoun, H., Aboff, M., Walker, J., Reid, J.P., Sullivan, R.C. Advanced aerosol optical tweezers chamber design to facilitate phase-separation and equilibration timescale experiments on complex droplets. Aerosol Science and Technology, 50(12), 1327–1341, doi:10.1080/02786826.2016.1224317, 2016.