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Time-dependent climate benefits of using forest residues to substitute fossil fuels
Mittuniversitetet, Institutionen för teknik och hållbar utveckling. (Ecotechnology)
Mittuniversitetet, Institutionen för teknik och hållbar utveckling. (Ecotechnology)
2011 (English)In: Biomass and Bioenergy, ISSN 0961-9534, Vol. 35, no 7, 2506-2516 p.Article in journal (Refereed) Published
Abstract [en]

 In this study we analyze and compare the climate impacts from the recovery, transport and combustion of forest residues (harvest slash and stumps), versus the climate impacts that would have occurred if the residues were left in the forest and fossil fuels used instead. We use cumulative radiative forcing (CRF) as an indicator of climate impacts, and we explicitly consider the temporal dynamics of atmospheric carbon dioxide and biomass decomposition. Over a 240-year period, we find that CRF is significantly reduced when forest residues are used instead of fossil fuels. The type of fossil fuel replaced is important, with coal replacement giving the greatest CRF reduction. Replacing oil and fossil gas also gives long-term CRF reduction, although CRF is positive during the first 10-25 years when these fuels are replaced. Biomass productivity is also important, with more productive forests giving greater CRF reduction per hectare. The decay rate for biomass left in the forest is found to be less significant. Fossil energy inputs for biomass recovery and transport have very little impact on CRF. (C) 2011 Elsevier Ltd. All rights reserved.

Place, publisher, year, edition, pages
2011. Vol. 35, no 7, 2506-2516 p.
Keyword [en]
Cumulative radiative forcing, Climate change mitigation, Forest management, Bioenergy, Slash, Stumps
National Category
Environmental Biotechnology
Research subject
Technology (byts ev till Engineering), Civil engineering
Identifiers
URN: urn:nbn:se:lnu:diva-15716DOI: 10.1016/j.biombioe.2011.02.027ISI: 000292849200007Scopus ID: 79958152269OAI: oai:DiVA.org:lnu-15716DiVA: diva2:454933
Available from: 2011-02-18 Created: 2011-11-08 Last updated: 2017-03-08Bibliographically approved

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Sathre, RogerGustavsson, Leif
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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
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  • asciidoc
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