Citation:

Impact/Purpose:

This model is designed to examine global timber supply and the associated carbon accounting.

Description:

GTM is an economic model capable of examining global forestry land-use, management, and trade responses to policies. In responding to a policy, the model captures afforestation, forest management, and avoided deforestation behavior. The model estimates harvests in industrial forests and inaccessible forests, timberland management intensity, and plantation establishment, all important components of both future timber supply and carbon flux. The model also captures global market interactions, global timber supply and the associated carbon accounting. It solves in 10 year increments and terminal conditions are imposed after 180 years. The Timber Supply Model (TSM) originated in 1990 and was updated in 1999 to include carbon accounting and renamed the Global Timber Model (GTM). The model has been updated over time and used in a variety of policy analyses.

Record Details:

Record Type:DOCUMENT

Product Published Date:12/31/2015

Record Last Revised:05/22/2014

OMB Category:Other

Record ID: 198002

Show Additional Record Data

Model Detail:

Model Evaluation :The model has been used in studies published in peer reviewed publications, including:

Sohngen, B. and Segjo, R., 2000.”Potential Carbon Flux from Timber Harvests and Management in the Context of a Global Timber Market.” Climatic Change 44, 151-172.

Model URL :http://www.epa.gov/climatechange/economics/modeling.html

Model Decision Documents :Sohngen, B. and Segjo, R., 2006. “Carbon Sequestration in Global Forests Under Difference Carbon Price Regimes.” The Energy Journal, Special Issue on Multi-Greenhouse Gas Mitigation and Climate Policy, 109-126.

Model Download Information :A description of the TSM96 can be found at: http://www.rff.org/Documents/RFF-DP-96-15.pdf

modelcontactinfo :Steve Rose
Climate Change Division
Office of Air and Radiation
E-mail: rose.steven@epa.gov
Tel: (202) 343-9553

Model Inputs :The data for this model come from the Global Timber Market and Forestry Data Project. Data can be downloaded at: http://www-agecon.ag.ohio-state.edu/people/sohngen.1/forests/GTM/table1.htm

Model Outputs :Forestry stocks and carbon accounting.

Model Computer Requirements:

Model Operating Systems Needs :Windows

Model Hardware Needs :The model is run on a desktop computer.

Model Programming Language(s) :GAMS