The National Science Foundation (NSF) has awarded a $434,814 Project Grant under the Polar Programs (CFDA 47.078) to the Woods Hole Oceanographic Institution (WHOI) to investigate the relationship between global temperature and ice volume changes during Marine Isotope Stage 3. The research will employ a new technique using noble gases trapped in polar ice cores to calculate past ocean temperature changes, which will help resolve the apparent uncoupling between climate and ice volume observed during this interval. This work aims to provide the first global constraints on total ocean heat content and unique insights into oxygen isotope records for this period, with important implications for understanding how ice sheets respond to global temperature variations. The project will run from Aug 1, 2024 to Jul 31, 2027.
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