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Linearity between temperature peak and bioenergy CO2 emission rates

Author

Listed:
  • F. Cherubini
  • T. Gasser

    (LSCE - Laboratoire des Sciences du Climat et de l'Environnement [Gif-sur-Yvette] - UVSQ - Université de Versailles Saint-Quentin-en-Yvelines - INSU - CNRS - Institut national des sciences de l'Univers - Université Paris-Saclay - CNRS - Centre National de la Recherche Scientifique - DRF (CEA) - Direction de Recherche Fondamentale (CEA) - CEA - Commissariat à l'énergie atomique et aux énergies alternatives, CIRED - centre international de recherche sur l'environnement et le développement - Cirad - Centre de Coopération Internationale en Recherche Agronomique pour le Développement - EHESS - École des hautes études en sciences sociales - AgroParisTech - ENPC - École des Ponts ParisTech - CNRS - Centre National de la Recherche Scientifique)

  • R. M. Bright
  • Philippe Ciais

    (LSCE - Laboratoire des Sciences du Climat et de l'Environnement [Gif-sur-Yvette] - UVSQ - Université de Versailles Saint-Quentin-en-Yvelines - INSU - CNRS - Institut national des sciences de l'Univers - Université Paris-Saclay - CNRS - Centre National de la Recherche Scientifique - DRF (CEA) - Direction de Recherche Fondamentale (CEA) - CEA - Commissariat à l'énergie atomique et aux énergies alternatives, ICOS-ATC - ICOS-ATC - LSCE - Laboratoire des Sciences du Climat et de l'Environnement [Gif-sur-Yvette] - UVSQ - Université de Versailles Saint-Quentin-en-Yvelines - INSU - CNRS - Institut national des sciences de l'Univers - Université Paris-Saclay - CNRS - Centre National de la Recherche Scientifique - DRF (CEA) - Direction de Recherche Fondamentale (CEA) - CEA - Commissariat à l'énergie atomique et aux énergies alternatives)

  • A. H. Stromman

Abstract

Many future energy and emission scenarios envisage an increase of bioenergy in the global primary energy mix(1-4). In most climate impact assessment models and policies, bioenergy systems are assumed to be carbon neutral, thus ignoring the time lag between CO2 emissions from biomass combustion and CO2 uptake by vegetation(5). Here, we show that the temperature peak caused by CO2 emissions from bioenergy is proportional to the maximum rate at which emissions occur and is almost insensitive to cumulative emissions. Whereas the carbon-climate response (CCR; ref. 6) to fossil fuel emissions is approximately constant, the CCR to bioenergy emissions depends on time, biomass turnover times, and emission scenarios. The linearity between temperature peak and bioenergy CO2 emission rates resembles the characteristic of the temperature response to short-lived climate forcers. As for the latter(7-9), the timing of CO2 emissions from bioenergy matters. Under the international agreement to limit global warming to 2 degrees C by 2100(3), early emissions from bioenergy thus have smaller contributions on the targeted temperature than emissions postponed later into the future, especially when bioenergy is sourced from biomass with medium(50-60 years) or long turnover times (100 years).

Suggested Citation

  • F. Cherubini & T. Gasser & R. M. Bright & Philippe Ciais & A. H. Stromman, 2014. "Linearity between temperature peak and bioenergy CO2 emission rates," Post-Print hal-01239786, HAL.
  • Handle: RePEc:hal:journl:hal-01239786
    DOI: 10.1038/nclimate2399
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    Cited by:

    1. T. Gasser & C. Guivarch & K. Tachiiri & C. D. Jones & P. Ciais, 2015. "Negative emissions physically needed to keep global warming below 2 °C," Nature Communications, Nature, vol. 6(1), pages 1-7, November.
    2. Neves, Renato Cruz & Klein, Bruno Colling & da Silva, Ricardo Justino & Rezende, Mylene Cristina Alves Ferreira & Funke, Axel & Olivarez-Gómez, Edgardo & Bonomi, Antonio & Maciel-Filho, Rubens, 2020. "A vision on biomass-to-liquids (BTL) thermochemical routes in integrated sugarcane biorefineries for biojet fuel production," Renewable and Sustainable Energy Reviews, Elsevier, vol. 119(C).
    3. Unrean, Pornkamol & Lai Fui, Bridgid Chin & Rianawati, Elisabeth & Acda, Menandro, 2018. "Comparative techno-economic assessment and environmental impacts of rice husk-to-fuel conversion technologies," Energy, Elsevier, vol. 151(C), pages 581-593.
    4. Niko Heeren & Stefanie Hellweg, 2019. "Tracking Construction Material over Space and Time: Prospective and Geo‐referenced Modeling of Building Stocks and Construction Material Flows," Journal of Industrial Ecology, Yale University, vol. 23(1), pages 253-267, February.

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