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Meta-analysis of greenhouse gas displacement factors of wood product substitution
Mid Sweden University, Faculty of Science, Technology and Media, Department of Engineering and Sustainable Development.
2010 (English)In: Environmental Science and Policy, ISSN 1462-9011, E-ISSN 1873-6416, Vol. 13, no 2, p. 104-114Article in journal (Refereed) Published
Abstract [en]

A displacement factor can express the efficiency of using biomass to reduce net greenhouse gas (GHG) emission, by quantifying the amount of emission reduction achieved per unit of wood use. Here we integrate data from 21 different international studies in a meta-analysis of the displacement factors of wood products substituted in place of non-wood materials. We calculate the displacement factors in consistent units of tons of carbon (tC) of emission reduction per tC in wood product. The displacement factors range from a low of −2.3 to a high of 15, with most lying in the range of 1.0 to 3.0. The average displacement factor value is 2.1, meaning that for each tC in wood products substituted in place of non-wood products, there occurs an average GHG emission reduction of approximately 2.1 tC. Expressed in other units, this value corresponds to roughly 3.9 t CO 2 eq emission reduction per ton of dry wood used. The few cases of negative displacement factors are the result of worst-case scenarios that are unrealistic in current practice. This meta-analysis quantifies the range of GHG benefits of wood substitution, and provides a clear climate rationale for increasing wood substitution in place of other products, provided that forests are sustainably managed and that wood residues are used responsibly.

 

Place, publisher, year, edition, pages
2010. Vol. 13, no 2, p. 104-114
Keywords [en]
Climate change mitigation; Displacement factor; Forest products; Greenhouse gas; Meta-analysis; Wood substitution
National Category
Other Environmental Engineering
Identifiers
URN: urn:nbn:se:miun:diva-11177DOI: 10.1016/j.envsci.2009.12.005ISI: 000276326700003Scopus ID: 2-s2.0-77649193170OAI: oai:DiVA.org:miun-11177DiVA, id: diva2:290389
Available from: 2010-01-26 Created: 2010-01-26 Last updated: 2017-12-12Bibliographically approved

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Sathre, Roger

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CiteExportLink to record
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Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
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  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf