As an integral part of the earth system the ocean stores and redistributing heat, carbon, and other tracers. Our ability to understand and predict longterm changes in the earth system requires an understanding of ocean transport processes.
In this seminar, I will explore two key ocean processes with a focus on temporal variability: Mesoscale eddies and the Equatorial Undercurrent. Starting with processes that are not routinely resolved by current generation climate models, I will introduce an observationally-based estimate of surface eddy mixing strength and connections to large scale climate indices via the large scale circulation. This interaction could represent a critical unresolved climate feedback mechanism. Furthermore, I will discuss how issues resolving large-scale features like the Equatorial Undercurrent in the Pacific, can lead to substantial consequences for the variability of Oxygen Minimum Zones in global models. Understanding these processes could improve future climate forecasts in particular concerning biogeochemical fields and regional forecasts.