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Title: Projection of U.S. forest sector carbon sequestration under U.S. and global timber market and wood energy consumption scenarios, 2010-2060
Author: Nepal, Prakash; Ince, Peter J.; Skog, Kenneth E.; Chang, Sun J.
Source: Biomass and Bioenergy
Publication Series: Journal/Magazine Article (JRNL)
Description: This study provides a modeling framework to examine change over time in U.S. forest sector carbon inventory (in U.S. timberland tree biomass and harvested wood products) for alternative projections of U.S. and global timber markets, including wood energy consumption, based on established IPCC/RPA scenarios. Results indicated that the U.S. forest sector’s projected capacities for carbon sequestration could be notably altered by use of forest resources for energy. A scenario with large expansion in U.S. wood energy consumption (16-fold increase by 2060) coupled with high global growth in gross domestic product would convert U.S. timberlands to a substantial carbon emission source by 2050, as timber growing stock inventories would be depleted because of increased biomass energy production. In contrast, the same high growth in the economy coupled with much smaller expansion of U.S. wood biomass energy consumption (less than two-fold increase by 2060) would result in a projected increase in average annual dditions to U.S. forest sector carbon by up to four-fold by 2060. Results also indicated that higher cumulative carbon emissions from increased use of wood for energy could be partially offset over timed by increased forest plantations and more intensive forest anagement that could be stimulated by the increased use of wood for energy. The modeling framework will enable future use of the USFPM/GFPM market modeling system to evaluate the impacts of forest carbon offset policies on forest carbon and forest products markets, by allowing carbon offset payments to compete in the model with forest products or wood energy for the control and use of available timber resources.
Keywords: Economic analysis, Harvested wood products carbon, Timber market, Tree biomass carbon, Wood energy consumption, 2010 RPA
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Nepal, Prakash; Ince, Peter J.; Skog, Kenneth E.; Chang, Sun J. 2012. Projection of U.S. forest sector carbon sequestration under U.S. and global timber market and wood energy consumption scenarios, 2010-2060. Biomass and Bioenergy 45: 251-264. doi:10.1016/j.biombioe.2012.06.011.
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