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    Author(s): Chris Hennigar; Luke Amos-Binks; Ryan Cameron; John Gunn; David A. MacLean; Mark Twery
    Date: 2013
    Source: Gen. Tech. Rep. NRS-116. Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northern Research Station. 54 p.
    Publication Series: General Technical Report (GTR)
    Station: Northern Research Station
    PDF: View PDF  (1.89 MB)

    Description

    This report describes the background calibration, inputs, and outputs of ForGATE, a forest sector greenhouse gas (GHG) accounting tool designed primarily to communicate information relevant to the evaluation of projected net GHG exchange in the context of Maine's forests, the Northeast forest sector, and alternative national or regional carbon (C) accounting guidelines. It also provides forest managers and policy makers with an easy-to-use tool for examining the relative merit (C credit revenue vs. project cost) of C offset projects and forest sector life cycle GHG accounting. GHG accounts include: 1) storage in aboveground and belowground live biomass and dead organic matter components; 2) storage in forest products in use and in landfill; 3) forest sector emissions by harvest, transport, and mills, or avoided emissions (substitution, bioenergy); as well as 4) landfill methane release and avoided emissions from methane energy capture. Different forest and forest product pools can be included in result summaries to reflect different C accounting guidelines (e.g., Climate Action Reserve, Voluntary Carbon Standard). Results can be compared for baseline and C offset project scenarios. Where possible, the marginal differences between baseline and project scenario performance indicators are calculated. All forest-level emission or storage measures are expressed in tonnes of CO2 equivalents for comparison purposes. Finally, economic indicators such as net present value and benefit-cost ratios for C offset projects can be evaluated using alternative assumptions for the value of stumpage, C credits, and offset project costs. The user enters their own inventory of stand type area by treatment regime data for baseline and offset project scenarios and can quickly adjust many GHG accounting parameters. ForGATE is available without charge from http://www.nrs.fs.fed.us/tools/forgate/.

    Publication Notes

    • Check the Northern Research Station web site to request a printed copy of this publication.
    • Our on-line publications are scanned and captured using Adobe Acrobat.
    • During the capture process some typographical errors may occur.
    • Please contact Sharon Hobrla, shobrla@fs.fed.us if you notice any errors which make this publication unusable.
    • We recommend that you also print this page and attach it to the printout of the article, to retain the full citation information.
    • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.

    Citation

    Hennigar, Chris; Amos-Binks, Luke; Cameron, Ryan; Gunn, John; MacLean, David A.; Twery, Mark. 2013. ForGATE - A Forest Sector Greenhouse Gas Assessment Tool for Maine: Calibration and Overview. Gen. Tech. Rep. NRS-116. Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northern Research Station. 54 p.

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    Keywords

    carbon sequestration, forest management, forest products, greenhouse gas, life cycle assessment, carbon credits, decision support, net present value

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