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New estimates of Southern Ocean annual net community production revealed by BGC-Argo floats
Citation
Su, J and Schallenberg, C and Rohr, T and Strutton, PG and Phillips, HE, New estimates of Southern Ocean annual net community production revealed by BGC-Argo floats, Geophysical Research Letters, 49, (15) Article e2021GL097372. ISSN 0094-8276 (2022) [Refereed Article]
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Copyright Statement
© 2022. The Authors. This is an open access article under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) License, (https://creativecommons.org/licenses/by-nc-nd/4.0/) which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.
Abstract
Using an expanding Southern Ocean fleet of biogeochemical Argo (BGC-Argo) floats, we developed a novel approach to estimate annual net community production (ANCP) by integrating subsurface oxygen drawdown from all available BGC-Argo oxygen profiles. Our results suggest that, on average, 14% of remineralization occurs between 500 and 1000 m and 15% occurs between the euphotic depth and 100 m. Using the improved methodology, we estimated total basin-integrated ANCP in the Southern Ocean to be 3.89 GT C year-1 suggesting a more important role for the Southern Ocean in regulating oceanic carbon storage, atmospheric CO2 exchange and climate than previously assumed.
Item Details
| Item Type: | Refereed Article |
|---|---|
| Keywords: | Southern Ocean, primary productivity |
| Research Division: | Earth Sciences |
| Research Group: | Oceanography |
| Research Field: | Biological oceanography |
| Objective Division: | Environmental Management |
| Objective Group: | Management of Antarctic and Southern Ocean environments |
| Objective Field: | Antarctic and Southern Ocean oceanic processes |
| UTAS Author: | Su, J (Mr Jiaoyang Su) |
| UTAS Author: | Schallenberg, C (Dr Christina Schallenberg) |
| UTAS Author: | Rohr, T (Mr Tyler Rohr) |
| UTAS Author: | Strutton, PG (Professor Peter Strutton) |
| UTAS Author: | Phillips, HE (Associate Professor Helen Phillips) |
| ID Code: | 151148 |
| Year Published: | 2022 |
| Funding Support: | Australian Research Council (CE170100023) |
| Deposited By: | Oceans and Cryosphere |
| Deposited On: | 2022-07-21 |
| Last Modified: | 2022-11-16 |
| Downloads: | 4 View Download Statistics |
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