The National Science Foundation Division of Atmospheric and Geospace Sciences awarded a $453,861 Project Grant to the University of Pittsburgh to support research titled "Turbulence in the Long-Lived, Very Stable Atmospheric Boundary Layer." The award period is from June 1, 2022 to May 31, 2025.
The grant funds research aimed at better understanding turbulence under stable atmospheric conditions, such as those frequently observed at night or during cold seasons, and developing reliable theories for mathematically representing such conditions in numerical weather prediction models. The research objectives will be achieved through direct numerical simulations of turbulence in the Ekman layer under combined surface cooling flux and ambient stratification, quantifying effects on turbulence across an expanded parameter space. Findings are expected to contribute to an atmospheric boundary layer module for an open source computational fluid dynamics solver. The research is aligned with the National Science Foundation's Geosciences program (CFDA 47.050) to strengthen understanding of the integrated Earth system through basic research in atmospheric sciences.
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