Ice, mud, and models: how paleo data assimilation is helping illuminate our geologic past

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• Matthew Osman, University of Cambridge
• Tuesday 02 May 2023, 12:00-13:00
• Department of Earth Sciences, Tilley Lecture Theatre.

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

Earth’s geologic past entrains a vast, variable, and highly informative climatic archive. Incidentally, it is also often elusive to ascertain. Whereas models and climatic proxies can both be used to inform our geologic past, each comes with its own challenges: Models rely on imperfect physics and underlying assumptions, whereas proxies are sparsely situated and often uncertain. In recent years, ‘paleo data assimilation’ has arisen as a means of leveraging and combining these two archives. In this talk, I discuss the ‘paleoDA’ method including new approaches, advances, and future challenges (or, pitfalls), illustrated through recent and ongoing climate reconstruction efforts that span three million years ago up to the recent Holocene.

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

This talk is included in these lists:

• Department of Earth Sciences Seminars (downtown)
• Department of Earth Sciences seminars
• Department of Earth Sciences, Tilley Lecture Theatre
• ps635

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