Reporting harvested wood products in national greenhouse gas inventories: Implications for Ireland

Carly Green, Valerio Avitabile, Edward P. Farrell, Kenneth A. Byrne

Research output: Contribution to journalArticlepeer-review

Abstract

During recent years harvested wood products (HWP) have received growing attention because they may be included in national greenhouse gas (GHG) inventories and possibly Kyoto Protocol (KP) accounting procedures in future commitment periods, with practical and economic consequences for both reporting and timber markets. The Intergovernmental Panel on Climate Change (IPCC) has identified three approaches to estimating and reporting carbon (C) stock in HWP; the stock-change approach, the production approach, and the atmospheric-flow approach. Should countries choose to report C stocks in HWP, one approach needs to be universally agreed for consistency. Using a model, the C stock both in use and in solid waste disposal sites (SWDS) at a national scale in Ireland was estimated and compared for the period 1961-2003 with uncertainty in the estimates generated using a Monte Carlo analysis. In 2003, the stock-change approach yielded the highest C sink, relative to the IPCC default approach of 375 Gg C yr-1±40% with the production approach and atmospheric-flow approach estimating the stock change at 271 Gg C yr -1±48% and 149 Gg C yr-1±31%, respectively. On the basis of the model results, the implications of selecting one approach over another and the contribution HWP may have in the future to help Ireland reach its reduction target under the KP are discussed.

Original languageEnglish
Pages (from-to)105-114
Number of pages10
JournalBiomass and Bioenergy
Volume30
Issue number2
DOIs
Publication statusPublished - Feb 2006
Externally publishedYes

Keywords

  • Atmospheric-flow approach
  • Carbon accounting
  • Harvested wood products
  • Monte Carlo analysis
  • Production approach
  • Stock-change approach

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