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Marine sedimentary carbon cycling

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If you have a question about this talk, please contact Oscar Branson.

This is a hybrid event. It will be live in the Tilley Lecture Theatre and broadcast on Zoom (https://zoom.us/j/99984123581)

The removal of carbon from the surface of the planet is a critical component of the long-term carbon cycle; this removal is through the deposition and subsequent burial of organic carbon and carbonate minerals in the ocean. Sedimentary, post-depositional, processes play a key role in the global carbon cycle as much of the organic carbon deposited in marine sediments is broken down through a series of microbial reactions, releasing the organic carbon and directly impacting the saturation state of carbonate minerals. In this talk I will discuss my research into the drivers of modern sedimentary carbon cycling using approaches ranging from multiple isotope system measurements, machine learning and reactive transport modelling. I will then show how this improved understanding can be used to determine how changing oceanic conditions would have impacted carbon cycling in marine sediments over the Phanerozoic.

This talk is part of the Department of Earth Sciences Seminars (downtown) series.

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