Climate–carbon cycle feedback analysis: results from the C4MIP model intercomparison

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Climate–carbon cycle feedback analysis: results from the C4MIP model intercomparison

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dc.contributor.author Friedlingstein, P. en_GB
dc.contributor.author Cox, Peter M. en_GB
dc.contributor.author Betts, R. A. en_GB
dc.contributor.author Bopp, L. en_GB
dc.contributor.author Von Bloh, W. en_GB
dc.contributor.author Brovkin, V. en_GB
dc.contributor.author Cadule, P. en_GB
dc.contributor.author Doney, S. en_GB
dc.contributor.author Eby, M. en_GB
dc.contributor.author Fung, I. en_GB
dc.contributor.author Bala, G. en_GB
dc.contributor.author John, J. en_GB
dc.contributor.author Jones, Chris D. en_GB
dc.contributor.author Joos, F. en_GB
dc.contributor.author Kato, T. en_GB
dc.contributor.author Kawamiya, M. en_GB
dc.contributor.author Knorr, W. en_GB
dc.contributor.author Lindsay, K. en_GB
dc.contributor.author Matthews, H. D. en_GB
dc.contributor.author Raddatz, T. en_GB
dc.contributor.author Rayner, P. en_GB
dc.contributor.author Reick, C. en_GB
dc.contributor.author Roeckner, E. en_GB
dc.contributor.author Schnitzler, K.-G. en_GB
dc.contributor.author Schnur, R. en_GB
dc.contributor.author Strassmann, K. en_GB
dc.contributor.author Weaver, A. J. en_GB
dc.contributor.author Yoshikawa, C. en_GB
dc.contributor.author Zeng, N. en_GB
dc.date.accessioned 2009-05-21T15:41:21Z en_GB
dc.date.accessioned 2011-01-25T10:33:35Z en_US
dc.date.accessioned 2013-03-20T12:26:56Z
dc.date.issued 2006 en_GB
dc.description.abstract Eleven coupled climate-carbon cycle models used a common protocol to study the coupling between climate change and the carbon cycle. The models were forced by historical emissions and the Intergovernmental Panel on Climate Change (IPCC) Special Report on Emissions Scenarios (SRES) A2 anthropogenic emissions of CO2 for the 1850-2100 time period. For each model, two simulations were performed in order to isolate the impact of climate change on the land and ocean carbon cycle, and therefore the climate feedback on the atmospheric CO2 concentration growth rate. There was unanimous agreement among the models that future climate change will reduce the efficiency of the earth system to absorb the anthropogenic carbon perturbation. A larger fraction of anthropogenic CO2 will stay airborne if climate change is accounted for. By the end of the twenty-first century, this additional CO2 varied between 20 and 200 ppm for the two extreme models, the majority of the models lying between 50 and 100 ppm. The higher CO2 levels led to an additional climate warming ranging between 0.1° and 1.5°C. All models simulated a negative sensitivity for both the land and the ocean carbon cycle to future climate. However, there was still a large uncertainty on the magnitude of these sensitivities. Eight models attributed most of the changes to the land, while three attributed it to the ocean. Also, a majority of the models located the reduction of land carbon uptake in the Tropics. However, the attribution of the land sensitivity to changes in net primary productivity versus changes in respiration is still subject to debate; no consensus emerged among the models. en_GB
dc.identifier.citation 19 (14), pp. 3337–3353 en_GB
dc.identifier.doi 10.1175/JCLI3800.1 en_GB
dc.identifier.uri http://hdl.handle.net/10036/68733 en_GB
dc.language.iso en en_GB
dc.publisher American Meteorological Society en_GB
dc.relation.url http://dx.doi.org/10.1175/JCLI3800.1 en_GB
dc.title Climate–carbon cycle feedback analysis: results from the C4MIP model intercomparison en_GB
dc.type Article en_GB
dc.date.available 2009-05-21T15:41:21Z en_GB
dc.date.available 2011-01-25T10:33:35Z en_US
dc.date.available 2013-03-20T12:26:56Z
dc.identifier.issn 0894-8755 en_GB
dc.identifier.issn 1520-0442 en_GB
dc.description Permission to place copies of these works on this server has been provided by the American Meteorological Society (AMS). The AMS does not guarantee that the copies provided here are accurate copies of the published work. © Copyright 2006 American Meteorological Society (AMS). Permission to use figures, tables, and brief excerpts from this work in scientific and educational works is hereby granted provided that the source is acknowledged. Any use of material in this work that is determined to be “fair use” under Section 107 of the U.S. Copyright Act or that satisfies the conditions specified in Section 108 of the U.S. Copyright Act (17 USC §108, as revised by P.L. 94-553) does not require the AMS’s permission. Republication, systematic reproduction, posting in electronic form on servers, or other uses of this material, except as exempted by the above statement, requires written permission or a license from the AMS. Additional details are provided in the AMS Copyright Policy, available on the AMS Web site located at (http://www.ametsoc.org/AMS) or from the AMS at 617-227-2425 or copyright@ametsoc.org. en_GB
dc.identifier.journal Journal of Climate en_GB


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