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    Evolution of carbon sinks in a changing climate

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    Fung_PNAS_2005.pdf (521.1Kb)
    Date
    2005-06-13
    Author
    Fung, Inez Y.  Concept link
    Doney, Scott C.  Concept link
    Lindsay, Keith  Concept link
    John, Jasmin G.  Concept link
    Metadata
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    Citable URI
    https://hdl.handle.net/1912/178
    As published
    https://doi.org/10.1073/pnas.0504949102
    Keyword
     Carbon dioxide; Climate change; Land carbon sink; Ocean carbon sink 
    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.
    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.
    Collections
    • Marine Chemistry and Geochemistry (MC&G)
    Suggested Citation
    Preprint: Fung, Inez Y., Doney, Scott C., Lindsay, Keith, John, Jasmin G., "Evolution of carbon sinks in a changing climate", 2005-06-13, https://doi.org/10.1073/pnas.0504949102, https://hdl.handle.net/1912/178
     

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