This National Science Foundation project grant award of $816,275 will fund research at the University of California, Davis from July 2022 through June 2025 to improve understanding of how photo-oxidants form and influence the chemistry of atmospheric particles under the Geosciences program (CFDA 47.050). Specifically, the award will support measuring photo-oxidant concentrations and reaction kinetics in aerosol liquid water extracts from particles collected in Davis, California. It will also...
This Project Grant award from the National Science Foundation's (NSF) Mathematical and Physical Sciences program (CFDA 47.049) provides $750,000 to support research by a team led by Professors Jesse Kroll and William Green at the Massachusetts Institute of Technology (MIT). The project aims to gain a predictive, mechanistic understanding of the chemistry of organic peroxy (RO2) radicals in the atmospheric aqueous phase, including cloud droplets and deliquesced aerosol particles. The research...
The National Science Foundation (NSF) awarded a $797,203 Project Grant under its Geosciences program (CFDA 47.050) to the University of California Irvine (UC Irvine). The goal of this 3-year project, with an end date of January 2027, is to better understand how photochemical reactions in the solid or liquid phase of organic compounds affect the key properties of organic aerosol in the atmosphere. The research will focus on secondary organic aerosol (SOA) and/or biomass burning organic aerosol...
This Project Grant award from the National Science Foundation's Geosciences Program (CFDA 47.050) provides $100,000 over 2 years to investigate the oxidation chemistry of organic aerosols in the atmosphere and its impact on their optical properties. The research will utilize innovative triple oxygen isotope measurements to elucidate the specific oxidation pathways that contribute to changes in aerosol composition, with the goal of understanding how these compositional changes affect...
This $616,131 National Science Foundation project grant will fund the development of observation-based metrics to evaluate global atmospheric chemistry models at the University of California, Irvine through January 2025. As part of its Geosciences program, which supports basic research in atmospheric, earth, and ocean sciences, the NSF aims to strengthen the scientific enterprise's understanding of the integrated Earth system. Under this award, the university will design, test, and document a...
This National Science Foundation (NSF) Geosciences program Project Grant award to the University of California, Irvine (UC Irvine) provides $772,000 over a 3-year period from February 2024 to January 2027. The award supports research to study secondary organic particle oxidation mechanisms using novel mass spectrometry techniques, including Matrix Assisted Ionization Mass Spectrometry (MAI-MS) and Easy Ambient Sonic-Spray Ionization Mass Spectrometry (EASI-MS). The objectives are to: 1)...
This Project Grant from the National Science Foundation Division of Atmospheric and Geospace Sciences, under the Geosciences federal grant program (CFDA 47.050), provides $214,924 to Aerodyne Research Inc. to develop a field-deployable Oxidation Flow Reactor and conduct associated laboratory and field studies. The Reactor will be used to better understand nighttime chemistry in the atmosphere, specifically the relative contributions of hydroxyl and nitrate radicals to the formation of oxidized...
This National Science Foundation (NSF) Project Grant, under the Geosciences Program (CFDA 47.050), awards $100,000 to support a postdoctoral research fellowship aimed at studying the fate of organic peroxy radicals in the troposphere. The research will focus on detecting the tetroxide intermediate formed in the self-reaction of peroxy radicals and measuring its decomposition kinetics, with the goal of improving theoretical models of these important atmospheric chemistry processes. The project...
The National Science Foundation (NSF) awarded a $596,226 Project Grant under the Geosciences program (CFDA 47.050) to The Regents of the University of Colorado (University of Colorado) to conduct research on the reactions of monoterpenes with hydroxyl radicals (OH) and the resulting gas and aerosol products. The objectives of this 3-year project are to: (1) achieve an improved understanding and quantitative description of how molecular structure and oxidation regime affect the gas- and...
This three-year $570,934 National Science Foundation project grant supports research at the University of California, Irvine to study the effects of phase state on secondary organic aerosol partitioning and its impacts on atmospheric processes at regional and global scales. Specifically, the university will implement methods in the GEOS-Chem model to predict glass transition temperatures and viscosity of secondary organic aerosol. Researchers will derive equilibration timescales of...