Dr. Athanasios Nenes is a Professor at the Georgia Institute of Tecnology in the Schools of Earth and Atmospheric Sciences and Chemical and Bimolecular Engineering.

Visit Dr. Nene's webpage.

Research Interests:

• Modeling of aerosol-cloud-climate interactions on a global scale
• Modeling and parameterization of cloud microphysical processes
• Thermodynamic modeling of tropospheric aerosols
• Instrumentation and techniques for characterizing organic-water interactions, hygroscopicitiy and CCN activity of aerosols
• Laboratory and field studies on CCN activity and aerosol-cloud interactions
• New particle formation and its impact on CCN concentrations
• Effect of pollution on marine ecosystem productivity and carbon cycle
• Impact of marine ecosystem productivity on clouds

"Ocean & Climate: Atmospheric Acidity and Impact on Nutrient Deposit"

In preparation for the seminar, the students are asked to review the following papers:

For Fe-solubilization: 

Li, W., Xu, L., Liu, X., Zhang, J., Lin, Y., Yao, X., Gao, H., Zhang, D., Chen, J., Wang, W., Harrison, R., Zhang, X., Shao, L., Fu, P., Nenes, A., Shi, Z. (2017) Air pollution - aerosol interactions produce more bioavailable iron for ocean ecosystems, Sci.Adv., 3, e1601749

http://advances.sciencemag.org/content/3/3/e1601749

Meskhidze, N, Chameides, W., Nenes, A., and Chen, G (2003) Iron Mobilization in Mineral Dust: Can Anthropogenic SO2 Emissions Affect Ocean Productivity?, Geoph.Res.Lett., 30(21), 2085, doi:10.1029/2003GL018035

http://nenes.eas.gatech.edu/Reprints/IronMobilization_GRL.pdf

For P-solubilization:

Myriokefalitakis, S., Nenes, A., Baker, A.R., Mihalopoulos, A. and Kanakidou, M. (2016) Bioavailable atmospheric phosphorous supply to the global ocean: a 3-D global modelling study, Biogeosciences, 13, 6519-6543

https://www.biogeosciences.net/13/6519/2016/

Nenes, A., Krom, M.D., Mihalopoulos, N., Van Cappellen, P., Shi, Z., Bougiatioti, A., Zarmpas, P.,and Herut, B. (2011) Atmospheric acidification of mineral aerosols: A source of bioavailable phosphorus for the oceans., Atmos.Chem.Phys., 11, 6265-6272

https://www.atmos-chem-phys.net/11/6265/2011/acp-11-6265-2011.html

Deposition of these nutrients: implications for Ocean Oxygen levels:

Ito, T., Nenes, A., Johnson, M. S., Meskhidze, N., Valett, J., and Deutsch, C. (2016) Acceleration of oxygen decline in the tropical Pacific over the past decades by aerosol pollutants, Nature Geosci., doi:10.1038/ngeo2717

http://nenes.eas.gatech.edu/Reprints/TropPacO2_NG.pdf