Saturation of the Southern Ocean CO 2 Sink Due to Recent Climate Change-Reference-Cited by-同舟云学术

Saturation of the Southern Ocean CO 2 Sink Due to Recent Climate Change

Published:2007-06-22 Issue:5832 Volume:316 Page:1735-1738
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Le Quéré Corinne¹²³⁴⁵,Rödenbeck Christian¹²³⁴⁵,Buitenhuis Erik T.¹²³⁴⁵,Conway Thomas J.¹²³⁴⁵,Langenfelds Ray¹²³⁴⁵,Gomez Antony¹²³⁴⁵,Labuschagne Casper¹²³⁴⁵,Ramonet Michel¹²³⁴⁵,Nakazawa Takakiyo¹²³⁴⁵,Metzl Nicolas¹²³⁴⁵,Gillett Nathan¹²³⁴⁵,Heimann Martin¹²³⁴⁵

Affiliation:

1. Max Planck Institut für Biogeochemie, Postfach 100164, D-07701 Jena, Germany.

2. School of Environmental Sciences University of East Anglia, Norwich NR4 7TJ, UK.

3. British Antarctic Survey, High Cross, Madingley Road, Cambridge CB3 0ET, UK.

4. National Oceanic and Atmospheric Administration, Earth System Research Laboratory, 325 Broadway, Boulder, CO 80305, USA.

5. Commonwealth Scientific and Industrial Research Organisation, Marine and Atmospheric Research, PMB1 Aspendale, Victoria 3195, Australia.

Abstract

Based on observed atmospheric carbon dioxide (CO 2 ) 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 CO 2 . 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 CO 2 in the short term (about 25 years) and possibly a higher level of stabilization of atmospheric CO 2 on a multicentury time scale.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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