Global spatially explicit CO2 emission metrics for forest bioenergy

Cherubini, F., Huijbregts, M., Kindermann, G. ORCID:, Van Zelm, R., Van Der Velde, M., Stadler, K., & Strømman, A. H. (2016). Global spatially explicit CO2 emission metrics for forest bioenergy. Scientific Reports 6 no.20186. 10.1038/srep20186.

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Emission metrics aggregate climate impacts of greenhouse gases to common units such as CO2-equivalent (CO2-eq.). Examples include the global warming potential (GWP), the global temperature change potential (GTP) and the absolute sustaied emission temperature (aSET). Despite the importance of biomass as a primary energy supplier in existing and future scenarios, emission metrics for CO2 from forest bioenergy are only available on a case-specific basis. Here, we produce global spatially explicit emission metrics for CO2 emissions from forest bioenergy and illustrate their applications to global emissions in 2015 and until 2100 under the RCP85 scenario. We obtain global average values of 0.49 +/-0.03.kgCO2-eq. kgCO2^-1 (mean+/-standard deviation) for GWP, 0.05+/-0.05kgCO2-eq. kgCO2^1 for GTP, and 2.14-10^-14+/-0.11-10^-14 degree C (kg yr^-1)^-1 for aSET. We explore metric dependencies on temperature, precipitation, biomass turnover times and extraction rates of forest residues. We find relatively high emission metrics with low precipitation, long rotation times and low residue extraction rates. Our results provide a basis for assessing CO2 emissions from forest bioenergy under different indicators and across various spatial and temporal scales.

Item Type: Article
Research Programs: Ecosystems Services and Management (ESM)
Depositing User: Luke Kirwan
Date Deposited: 23 Feb 2016 15:49
Last Modified: 27 Aug 2021 17:25

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