Journal
ENVIRONMENTAL EARTH SCIENCES
Volume 60, Issue 2, Pages 227-239Publisher
SPRINGER
DOI: 10.1007/s12665-009-0400-2
Keywords
Geological carbon sequestration; Controlled release of carbon dioxide; Transport models; Near surface monitoring; Eddy covariance; Hyperspectral imaging
Funding
- Assistant Secretary for Fossil Energy, Office of Sequestration, Hydrogen, and Clean Coal Fuels, and National Energy Technology Laboratory
- U.S. Department of Energy [DE-FC26-04NT42262]
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A controlled field pilot has been developed in Bozeman, Montana, USA, to study near surface CO2 transport and detection technologies. A slotted horizontal well divided into six zones was installed in the shallow subsurface. The scale and CO2 release rates were chosen to be relevant to developing monitoring strategies for geological carbon storage. The field site was characterized before injection, and CO2 transport and concentrations in saturated soil and the vadose zone were modeled. Controlled releases of CO2 from the horizontal well were performed in the summers of 2007 and 2008, and collaborators from six national labs, three universities, and the U. S. Geological Survey investigated movement of CO2 through the soil, water, plants, and air with a wide range of near surface detection techniques. An overview of these results will be presented.
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