The Southern Ocean in a changing climate: open-ocean physical and biogeochemical processes

The Southern Ocean in a changing climate: open-ocean physical and biogeochemical processes (OS1.12/BG4.13/CL4.28)

There will be a Southern Ocean session at the EGU General Assembly 2020 in Vienna (3–8 May 2020).

The Southern Ocean around the latitudes of the Antarctic Circumpolar Current is a key region for the vertical and lateral exchanges of heat, carbon and nutrients, with significant impacts on the climate system as a whole. The role of the Southern Ocean as a sink of anthropogenic carbon and heat, and as a source of natural carbon in present and future climate conditions remains uncertain. To reduce this uncertainty, understanding the physical and biogeochemical processes underlying the Southern Ocean internal variability and its response to external forcing is critical. Recent advances in observational capabilities, theoretical frameworks, and numerical models (e.g. CMIP6 simulations) are providing a deeper insight into the three-dimensional patterns of Southern Ocean change. This session will discuss the current state of knowledge and novel findings concerning the role of the Southern Ocean in past, present, and future climates. In particular, it will address physical, biological, and biogeochemical processes, including interior ocean mixing and transport pathways, the cycling of carbon and nutrients, as well as ocean-ice-atmosphere interactions, and their wider implications for lower latitudes and the global climate.

Highlight: Solicited speaker Michael Meredith will report on the outcomes of the Polar Regions chapter of the recent “IPCC Special Report on the Ocean and Cryosphere in a Changing Climate” during this session.

Abstarct submission: https://meetingorganizer.copernicus.org/EGU2020/session/36195 (deadline is 15 January 2020, 13:00 CET).

ECS travel support: https://egu2020.eu/about_and_support/roland_schlich_travel_support.html (deadline is 1 December 2019).




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