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Decadal changes in Southern Ocean Water Masses inferred from observations

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If you have a question about this talk, please contact Dr Birgit Rogalla.

In this talk I will present how using a combination of data-driven and machine learning methods we infer a slowdown of Antarctic bottom water (AABW) and an expansion and poleward shift of Circumpolar Deep Water (CDW). In particular, I will present analyses based on four decades of CFCs and SF6 observations to reconstruct global tracer budgets and infer decadal variability of deep ocean circulation and tracer ventilation rates.

This talk is part of the British Antarctic Survey - Polar Oceans seminar series series.

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