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Net atmospheric impacts of forest bioenergy production and utilization in F innish boreal conditions

Global change biology. Bioenergy, 2012-11, Vol.4 (6), p.811-817

Copyright John Wiley & Sons, Inc. Nov 2012 ;ISSN: 1757-1693 ;EISSN: 1757-1707 ;DOI: 10.1111/j.1757-1707.2012.01161.x

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Title:
Net atmospheric impacts of forest bioenergy production and utilization in F innish boreal conditions
Author: Kilpeläinen, Antti ; Kellomäki, Seppo ; Strandman, Harri
Subjects: Alternative energy sources ; Biodegradation ; Biomass ; Biomass energy production ; Carbon dioxide ; Carbon sequestration ; Climate change ; Climate change mitigation ; Coal ; Ecosystem services ; Emissions ; Environmental changes ; Exchanging ; Forest ecosystems ; Forest management ; Forests ; Fossil fuels ; Greenhouse effect ; Greenhouse gases ; Harvest ; Industrial plant emissions ; Life cycle analysis ; Life cycle assessment ; Life cycles ; Mitigation ; Pulp ; Radiative forcing ; Renewable energy ; Seedlings ; Simulation ; Terrestrial ecosystems ; Timber ; Timber inventory ; Time dependence ; Utilization ; Wood ; Wood products
Is Part Of: Global change biology. Bioenergy, 2012-11, Vol.4 (6), p.811-817
Description: Abstract The net CO 2 exchange of forests was investigated to study net atmospheric impact of forest bioenergy production ( BP ) and utilization in F innish boreal conditions. Net CO 2 exchange was simulated with a life cycle assessment tool over a 90‐year period and over the whole F inland based on N ational F orest I nventory data. The difference in the net exchanges between the traditional timber production ( TP ) and BP regime was considered the net atmospheric impact of forest bioenergy utilization. According to the results, forests became net sources of CO 2 after about 20 years of simulation, and the net exchange was higher in the BP regime than in the TP regime until the middle of the simulation period. From 2040 onwards, the net exchange started to decrease in both regimes and became higher in the TP regime, excluding the last decade of the simulation. The shift of forests to becoming a CO 2 source reflected the decrease in CO 2 sequestration due to the increasing share of recently harvested and seedling stands that are acting as sources of CO 2 , and an increase of emissions from degradation of wood products. When expressed in terms of radiative forcing, the net atmospheric impact was on average 19% less for bioenergy compared with that for coal energy over the whole simulation period. The results show the importance of time dependence when considering dynamic forest ecosystems in BP and climate change mitigation. Furthermore, the results emphasize the dualistic role and possibilities of forest management in controlling the build and release of carbon into and from the stocks and in controlling the rate of the build speed, i.e. growth. This information is needed in identifying the capability and possibilities of ecosystems to produce biomass for energy, alongside other products and ecosystem services (e.g. pulp wood and timber), and simultaneously to mitigate climate change.
Publisher: Oxford: John Wiley & Sons, Inc
Language: English
Identifier: ISSN: 1757-1693
EISSN: 1757-1707
DOI: 10.1111/j.1757-1707.2012.01161.x
Source: Alma/SFX Local Collection
Wiley Blackwell Open Access Titles
ProQuest Central

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Net atmospheric impacts of forest bioenergy production and utilization in F innish boreal conditions

Copyright John Wiley & Sons, Inc. Nov 2012 ;ISSN: 1757-1693 ;EISSN: 1757-1707 ;DOI: 10.1111/j.1757-1707.2012.01161.x

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