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Evolution of carbon sinks in a changing climate

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dc.contributor.author Fung, Inez Y.
dc.contributor.author Doney, Scott C.
dc.contributor.author Lindsay, Keith
dc.contributor.author John, Jasmin
dc.date.accessioned 2005-11-23T14:54:50Z
dc.date.available 2005-11-23T14:54:50Z
dc.date.issued 2005-06-13
dc.identifier.uri http://hdl.handle.net/1912/178
dc.description Author Posting. © The Authors, 2005. This is the author's version of the work. It is posted here by permission of National Academy of Sciences of the USA for personal use, not for redistribution. The definitive version was published in Proceedings of the National Academy of the United States of America 102 (2005): 11201-11206, doi:10.1073/pnas.0504949102.
dc.description.abstract Climate change is expected to influence the capacities of the land and oceans to act as repositories for anthropogenic CO2 and hence provide a feedback to climate change. A series of experiments with the National Center for Atmospheric Research–Climate System Model 1 coupled carbon–climate model shows that carbon sink strengths vary with the rate of fossil fuel emissions, so that carbon storage capacities of the land and oceans decrease and climate warming accelerates with faster CO2 emissions. Furthermore, there is a positive feedback between the carbon and climate systems, so that climate warming acts to increase the airborne fraction of anthropogenic CO2 and amplify the climate change itself. Globally, the amplification is small at the end of the 21st century in this model because of its low transient climate response and the near-cancellation between large regional changes in the hydrologic and ecosystem responses. Analysis of our results in the context of comparable models suggests that destabilization of the tropical land sink is qualitatively robust, although its degree is uncertain. en
dc.description.sponsorship This work was supported by National Science Foundation (NSF) Grant NSF ATM-9987457, National Aeronautics and Space Administration (NASA) EOS-IDS Grant NAG5-9514, NASA Carbon Cycle Program Grant NAG5-11200, the Laboratory Directed Research and Development Program of the Lawrence Berkeley National Laboratory, and the Ocean and Climate Change Institute of the Woods Hole Oceanographic Institution. en
dc.format.extent 533694 Bytes
dc.format.mimetype application/pdf
dc.language.iso en_US en
dc.relation.uri http://dx.doi.org/10.1073/pnas.0504949102
dc.subject Carbon dioxide en
dc.subject Climate change en
dc.subject Land carbon sink en
dc.subject Ocean carbon sink en
dc.title Evolution of carbon sinks in a changing climate en
dc.type Preprint en


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