The National Science Foundation Division of Atmospheric and Geospace Sciences awarded a $235,435 Project Grant to the University of Nevada, Reno (UNR) under the Geosciences program (CFDA 47.050) to conduct a collaborative research project on the verification of atmospheric mercury redox rates. The key objectives are to: (1) conduct year-long measurements of elemental and divalent mercury, related oxidants, and other variables; (2) use a zero-dimensional model to identify mercury chemical mechanisms and reaction rates that minimize model-measurement discrepancies; and (3) update a global atmospheric chemistry model with the optimized parameters. This project aims to enhance the understanding of mercury chemistry and its impacts on other chemical species like halogens, ozone, and nitrogen oxides. The award will support the training of two graduate students, and the research team plans to engage with policy makers and state regulators to provide updated information on mercury chemistry and human health impacts. No sub-awards are planned under this grant.
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