Saturation of the Southern Ocean CO2 sink due to recent climate change

Le Quéré, Corinne ORCID: https://orcid.org/0000-0003-2319-0452, Rödenbeck, Christian, Buitenhuis, Erik T. ORCID: https://orcid.org/0000-0001-6274-5583, Conway, Thomas J., Langenfelds, Ray, Gomez, Antony, Labuschagne, Casper, Ramonet, Michel, Nakazawa, Takakiyo, Metzl, Nicolas, Gillett, Nathan and Heimann, Martin (2007) Saturation of the Southern Ocean CO2 sink due to recent climate change. Science, 316 (5832). pp. 1735-1738. ISSN 1095-9203

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Abstract

Based on observed atmospheric carbon dioxide (CO2) concentration and an inverse method, we estimate that the Southern Ocean sink of CO 2 has weakened between 1981 and 2004 by 0.08 petagrams of carbon per year per decade relative to the trend expected from the large increase in atmospheric CO2. We attribute this weakening to the observed increase in Southern Ocean winds resulting from human activities, which is projected to continue in the future. Consequences include a reduction of the efficiency of the Southern Ocean sink of CO2 in the short term (about 25 years) and possibly a higher level of stabilization of atmospheric CO2 on a multicentury time scale.

Item Type:	Article
Uncontrolled Keywords:	sdg 13 - climate action ,/dk/atira/pure/sustainabledevelopmentgoals/climate_action
Faculty \ School:	Faculty of Science > School of Environmental Sciences University of East Anglia Research Groups/Centres > Theme - ClimateUEA
UEA Research Groups:	Faculty of Science > Research Groups > Centre for Ocean and Atmospheric Sciences
Depositing User:	Rosie Cullington
Date Deposited:	28 Feb 2011 13:20
Last Modified:	13 Apr 2023 13:36
URI:	https://ueaeprints.uea.ac.uk/id/eprint/25287
DOI:	10.1126/science.1136188

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