Update on soil CO2 flux monitoring at the illinois basin - Decatur Project, USA

Carl H. Carman, Randall A. Locke, Curt S. Blakley

Research output: Contribution to journalConference articlepeer-review

Abstract

The Illinois Basin - Decatur Project (IBDP) is a large-scale carbon capture and storage (CCS) project in Decatur, Illinois, USA demonstrating storage of one million metric tons of carbon dioxide (CO2) in a deep saline reservoir. The IBDP Monitoring,Verification, and Accounting (MVA) program at the 0.65 km2 study site includes a soil CO2 flux monitoring network, measured weekly during the growing season since 2009 and a high-frequency flux and atmospheric C02 monitoring station. Over 11,000 flux measurements have been collected from the point network and over 50,000 flux measurements have been collected at a higher frequency from a LI-COR Biosciences® LI-8150 multiplexer. No anomalies related to CO2 injection were identified. We also examined site-specific biophysical relationships among soil CO2 flux, soil temperature, and soil moisture, and assessed the flux data to better characterize flux variability. This extensive dataset provides an opportunity to characterize site-wide flux variations in detail, and provides insights into ways that measured fluxes could be evaluated to identify atypical variations.

Original languageEnglish (US)
Pages (from-to)3869-3880
Number of pages12
JournalEnergy Procedia
Volume63
DOIs
StatePublished - Jan 1 2014
Event12th International Conference on Greenhouse Gas Control Technologies, GHGT 2014 - Austin, United States
Duration: Oct 5 2014Oct 9 2014

Keywords

  • CCS
  • CCUS
  • Geologic carbon storage
  • IBDP
  • Illinois basin
  • MVA
  • Soil CO flux
  • Soil moisture
  • Soil temperanire
  • Surface monitoring

ASJC Scopus subject areas

  • Energy(all)

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