This Project Grant award in the amount of $196,316 was provided by the National Science Foundation's (NSF) Geosciences Program (CFDA 47.050) to Portland State University. The funding will support research to investigate the water concentrations and air emissions of sewage-related compounds in the Tijuana River system and the resulting air quality effects in San Diego County, California.
Specifically, the project will measure the concentration of toxic compounds like hydrogen sulfide in the river water and model the related air emissions based on factors such as flow rate, water depth, wind velocity, and temperature. This data will be used to estimate the temporally dependent emissions from the Tijuana River system to the San Diego/Tijuana air shed for air quality modeling. The research is expected to provide critical insights on the scale and transport of these emissions, informing understanding of the air quality impacts on local, regional, and national populations. The project is scheduled for completion by February 2026.
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