Incorporating climate into belowground carbon estimates in the national greenhouse gas inventory

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  • Authors: Russell, Matthew B.; Domke, Grant M.; Woodall, Christopher W.; D’Amato, Anthony W.
  • Publication Year: 2015
  • Publication Series: General Technical Report (GTR)
  • Source: In: Stanton, Sharon M.; Christensen, Glenn A., comps. 2015. Pushing boundaries: new directions in inventory techniques and applications: Forest Inventory and Analysis (FIA) symposium 2015. 2015 December 8–10; Portland, Oregon. Gen. Tech. Rep. PNW-GTR-931. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station: 120-123.

Abstract

Refined estimation of carbon (C) stocks within forest ecosystems is a critical component of efforts to reduce greenhouse gas emissions and mitigate the effects of projected climate change through forest C management. Recent evidence has pointed to the importance of climate as a driver of belowground C stocks. This study describes an approach for adjusting allometric models of belowground C with climate-derived predictions of belowground C stocks and quantifies the change in reported belowground C stocks applied to the US National Greenhouse Gas Inventory (NGHGI). Climate-adjusted predictions varied by region and forest type, but represented a 6.4% increase at the national scale when compared to current estimates. By combining allometric equations with trends in temperature, we conclude that climate variables can be used to adjust the US NGHGI estimates of belowground C stocks. Such strategies can also be used to determine the effects of future global change scenarios within a biomass and C accounting framework.

  • Citation: Russell, Matthew B.; Domke, Grant M.; Woodall, Christopher W.; D’Amato, Anthony W. 2015. Incorporating climate into belowground carbon estimates in the national greenhouse gas inventory. In: Stanton, Sharon M.; Christensen, Glenn A., comps. 2015. Pushing boundaries: new directions in inventory techniques and applications: Forest Inventory and Analysis (FIA) symposium 2015. 2015 December 8–10; Portland, Oregon. Gen. Tech. Rep. PNW-GTR-931. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station: 120-123.
  • Posted Date: February 3, 2016
  • Modified Date: February 5, 2016
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    • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.
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