Global spatially explicit CO2 emission metrics for forest bioenergy

Scientific Reports
Francesco CherubiniAnders Hammer Strømman

Abstract

Emission metrics aggregate climate impacts of greenhouse gases to common units such as CO2-equivalents (CO2-eq.). Examples include the global warming potential (GWP), the global temperature change potential (GTP) and the absolute sustained 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 RCP8.5 scenario. We obtain global average values of 0.49 ± 0.03 kgCO2-eq. kgCO2(-1) (mean ± standard deviation) for GWP, 0.05 ± 0.05 kgCO2-eq. kgCO2(-1) for GTP, and 2.14·10(-14) ± 0.11·10(-14) °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 an...Continue Reading

References

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Jun 7, 2014·Science·Stefanie Hellweg, Llorenç Milà i Canals

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Citations

Feb 18, 2017·Environmental Science & Technology·Carl VadenboThomas Fruergaard Astrup
Jan 24, 2017·Scientific Reports·Francesca VeronesRichard Wood
Nov 23, 2018·The Science of the Total Environment·Giorgia FaracaThomas F Astrup
Dec 28, 2018·The Science of the Total Environment·Weiguo LiuChanghui Peng

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Software Mentioned

aSET
G4M
WorldClim

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