This page last reviewed November 30, 2012

U.S. Forest Project Resources

This page includes the ARB compliance offset protocol for U.S. Forest Projects and all supporting documents for project implementation.

Skip to: U.S. Forest Protocol, Urban Forest Protocol, Resources for Verifiers

Request for Guidance – Verifiers and Project Developers

• Guidance Request - Offset Project Operator or Authorized Project Designee 
• Guidance Request - Verification 

U.S. Forest Protocol

Guidance Documents for US Forest Projects

• Compliance Offset Protocol for U.S. Forest Projects
• Definition of “Forest Owner” (Section 2.2 of the Protocol)

Volume and Biomass Instructions and Equations

• Volume and Biomass Instructions and Equations
• California, Washington, and Oregon
  • Volume Equations (CA, WA, OR)
  • Biomass Equations (CA, WA, OR)
  • Wood Density Table for Pacific Southwest
    (Table C.1 – U.S. Forest Protocol)
• Other Regions
  • Volume Equations for Other Regions
    • Volume Equations References and Coefficients for Other Regions
  • Biomass Equations for Other Regions
    • Use Biomass Estimation Component Ratio Method (includes wood density for other regions)
    • Biomass Estimation Component Ratio Method Instructions
      • Biomass Coefficients for use with the Component Ratio Method

Supersection Maps:

• Overview Map of Supersections
• North Central Supersections
• Northeast Supersections
• Northwest Supersections
• Southeast Supersections
• Southwest Supersections

Supporting Documents:

• Assessment Area Data File – Companion to Appendix F
• Mill Efficiency Data
• Wood Handbook 2010, US Forest Service
  • Chapter 3: Structure and Function of Wood
  • Estimating Carbon in Harvested Wood Products -- Specific Gravity for projects located in regions outside the Pacific Southwest 
  • Chapter 4: Moisture Relations and Physical Properties of Wood

Urban Forest Protocol

• Compliance Protocol for Urban Forest Projects

Urban Forest Protocol Resources

• Urban Forest Volume Equations Spreadsheet
• The Center for Urban Forest Research Tree Carbon Calculator (CTCC)
  • Estimates the amount of biomass and carbon stored in a tree as well as the amount sequestered annually

Resources for Verifiers (coming soon)