This $409,306 federal Project Grant award from the National Science Foundation's (NSF) Geosciences Program (CFDA 47.050) supports collaborative research to develop a new theoretical framework and measurement approaches to quantify unfrozen water content in frozen soils. The research aims to improve fundamental understanding of soil water freezing and thawing behavior, which has implications for modeling hydrologic processes impacted by climate change, such as melting of Arctic ice and permafrost thaw. Key expected outcomes include clarification of relationships between soil water potential, soil water retention, and soil freezing/thawing, as well as generalized equations and predictive models for estimating soil freezing and thawing behavior. The project also integrates educational and outreach initiatives, including a summer student exchange program and continuing education webinars. Awarded to the Colorado School of Mines, this 3-year grant runs from January 1, 2025 to December 31, 2027.
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