This federal Project Grant award from the National Science Foundation's Polar Programs (CFDA 47.078) provides $177,641 to Alfred University to conduct a well-constrained hosing experiment to investigate changes in Arctic precipitation during the Younger Dryas period, which occurred around 12,000 years ago. The research aims to test hypotheses about the role of icebergs and catastrophic land-based flooding in introducing cold, fresh water to the North Atlantic, which is believed to have impacted the Atlantic Meridional Overturning Circulation and global climate. The research involves sensitivity experiments using an isotope-enabled global climate model, comparison to Arctic lake proxy records, and proxy system modeling. The award term runs from August 15, 2024 to January 31, 2025. No sub-awards are planned for this project.
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