Past to future changes in ocean dynamics and biogeochemistry

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This project aims to understand the impact of changes in ocean circulation on marine biogeochemistry, climate and ultimately the Antarctic ice-sheet by combining transient simulations of the last glacial cycle performed with an Earth system model incorporating the compilation of paleoproxy records. The oceanic circulation has varied over the last glacial cycle (~140,000 years) and is expected to change over the coming centuries due to rising atmospheric carbon dioxide. The project will measure future changes in oceanic circulation on ocean acidification and oxygen content with a state-of-the-art high-resolution ocean carbon cycle model. This will lead to improved understanding of processes and feedbacks within the Earth system.