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Related Experiment Video

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Measuring Carbon-based Contaminant Mineralization Using Combined CO2 Flux and Radiocarbon Analyses

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Evaluating terrestrial carbon sequestration options for Virginia.

Jeffrey S Galang¹, Carl E Zipper, Stephen P Prisley

¹Department of Crop and Soil Environmental Sciences, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061, USA.

Environmental Management

|November 30, 2006

Summary

This summary is machine-generated.

Afforestation of marginal lands offers the most significant carbon (C) storage potential in Virginia. These land management changes can help offset energy-related carbon dioxide (CO2) emissions.

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Area of Science:

Environmental Science
Forestry
Agricultural Science

Background:

Terrestrial ecosystems can sequester carbon (C), potentially mitigating atmospheric C emissions from energy production.
Land management practices in forestry and agriculture offer opportunities for enhanced C storage.

Purpose of the Study:

To assess the C storage potential of three terrestrial management practices in Virginia, USA.
To evaluate afforestation of marginal and riparian agricultural lands and changes in tillage practices for row crops.
To analyze C storage potential on a statewide and regional basis within Virginia.

Main Methods:

Identification of eligible lands for each management practice.
Estimation of C storage potential using a modeling procedure.
Utilization of land-resource characteristics from Geographic Information System (GIS) databases.

Main Results:

Afforestation of marginal agricultural lands showed the highest C storage potential (1.4 Tg C yr⁻¹ over 20 years).
Riparian afforestation and tillage conversion offered lower potentials (0.2 Tg C yr⁻¹ and 0.1 Tg C yr⁻¹, respectively).
The Ridge and Valley and Mid-Atlantic Coastal Plain regions exhibited the largest C storage potentials.

Conclusions:

The modeled practices could offset approximately 3.4% of Virginia's energy-related CO2 emissions over 20 years.
These practices can contribute to carbon management goals when integrated with other mitigation strategies.
Regional variations in soil and topography influence the C storage potential of land management practices.