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BiPhySO: Combatting critical uncertainties in biological vs. physical drivers of future oxygen budgets in the Southern Ocean

Project description

Southern Ocean production and export response to climate change

The Southern Ocean is a vital area for both inorganic and organic carbon sinks. However, regional differences and logistical challenges hinder broad statements about its processes. With the support of the Marie Skłodowska-Curie Actions programme, the BiPhySO project will use sensors to measure dissolved oxygen and particulate backscatter, assessing biogeochemical rates during the productive season from December to January. By utilising existing datasets from gliders and autonomous research assets in the Ross, Amundsen, and Weddell Seas, the project will estimate net community production (NCP) and carbon export rates. These findings will inform Earth system models to predict how Southern Ocean production and export will change in response to climate change.

Objective

The Southern Ocean is one of the most biogeochemically-important regions on Earth, representing a critical region for inorganic and organic carbon sinks. However, regional differences and logistical challenges, make general statements about Southern Ocean processes difficult and inaccurate. To get a more accurate understanding of the Southern Ocean and globe, direct comparisons of key processes between regions are needed. Here I will use sensor-based measurements of dissolved oxygen and particulate backscatter to calculate these key biogeochemical rate measurements during the December-January productive season using the novel but already-proven equations. I propose to leverage pre-existing glider and other autonomous asset datasets from three major research programs to the Ross, Amundsen, and Weddell Seas in a novel manner to generate estimates of net community production (NCP) and carbon export that are of higher spatiotemporal resolution and more consistently-produced than ever before. In this two year project, entitled BiPhySO, I will parameterize the key biological and physical processes individually, enabling me to assess their importance in NCP calculations and export through time and in each Antarctic sea, individually. I will apply these findings to earth system models in order to forecast future Southern Ocean production-export dynamics under climate change. BiPhySO will be conducted with Professor Karen Heywood at the University of East Anglia (UEA) with secondments at the Instituto Nazionale di Oceanografia e di Geofisica Sperimentale (Italy) with Dr. Gorgio Dall’Olmo and at the National Oceanography Centre (UK) with Professor Stephanie Hension. BiPhySO will expand my current skillset to better include glider and profiling float experience and make my current research more interdisciplinary in nature, combining biogeochemistry and physical oceanography. This will train me to become the tenure-track professor and leader of the field that I hope to be.

Fields of science (EuroSciVoc)

Keywords

Programme(s)

Topic(s)

Funding Scheme

HORIZON-TMA-MSCA-PF-EF - HORIZON TMA MSCA Postdoctoral Fellowships - European Fellowships

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Call for proposal

(opens in new window) HORIZON-MSCA-2024-PF-01

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Coordinator

UNIVERSITY OF EAST ANGLIA
Net EU contribution
€ 260 347,92
Address
EARLHAM ROAD
NR4 7TJ Norwich
United Kingdom
Region
East of England East Anglia Norwich and East Norfolk
Activity type
Higher or Secondary Education Establishments
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Total cost
No data

Partners (2)