Multi-century Changes to Global Climate and Carbon Cycle: Results from a Coupled Climate and Carbon Cycle Model

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In this paper, we use a coupled climate and carbon cycle model to investigate the global climate and carbon cycle changes out to year 2300 that would occur if CO2 emissions from all the currently estimated fossil fuel resources were released to the atmosphere. By year 2300, the global climate warms by about 8 K and atmospheric CO2 reaches 1423 ppmv. In our simulation, the prescribed cumulative emission since pre-industrial period is about 5400 Gt-C by the end of 23rd century. At year 2300, nearly 45 % of cumulative emissions remain in the atmosphere. In our simulations both soils and ... continued below

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4 p. (0.1 MB)

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Bala, G; Caldeira, K; Mirin, A; Wickett, M & Delire, C June 13, 2005.

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In this paper, we use a coupled climate and carbon cycle model to investigate the global climate and carbon cycle changes out to year 2300 that would occur if CO2 emissions from all the currently estimated fossil fuel resources were released to the atmosphere. By year 2300, the global climate warms by about 8 K and atmospheric CO2 reaches 1423 ppmv. In our simulation, the prescribed cumulative emission since pre-industrial period is about 5400 Gt-C by the end of 23rd century. At year 2300, nearly 45 % of cumulative emissions remain in the atmosphere. In our simulations both soils and living biomass are net carbon sinks throughout the simulation. Despite having relatively low climate sensitivity and strong carbon uptake by the land biosphere, our model projections suggest severe long-term consequences for global climate if all the fossil-fuel carbon is ultimately released to the atmosphere.

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4 p. (0.1 MB)

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PDF-file: 4 pages; size: 0.1 Mbytes

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  • Presented at: Seventh International Carbon Dioxide Conference, Boulder, CO, United States, Sep 25 - Sep 30, 2005

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  • Report No.: UCRL-PROC-212905
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 919239
  • Archival Resource Key: ark:/67531/metadc885077

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • June 13, 2005

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  • Sept. 22, 2016, 2:13 a.m.

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  • April 13, 2017, 6:05 p.m.

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Bala, G; Caldeira, K; Mirin, A; Wickett, M & Delire, C. Multi-century Changes to Global Climate and Carbon Cycle: Results from a Coupled Climate and Carbon Cycle Model, article, June 13, 2005; Livermore, California. (digital.library.unt.edu/ark:/67531/metadc885077/: accessed December 14, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.