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| Content Provider | Springer Nature Link |
|---|---|
| Author | Zhong, Jinjin Jiang, Xi |
| Copyright Year | 2016 |
| Abstract | In CO$_{2}$ geological sequestration, a combination of monitoring techniques needs to be in place to timely detect possible CO$_{2}$ leakage from a primary storage along unanticipated pathways to shallower formations. This research aims to methodologically investigate the feasibility of a novel radiographic technique, i.e. cosmic-ray muon radiography, as a complementary continuous monitoring method. As an example, this method was tested on a geological model to monitor CO$_{2}$ leakage into upper freshwater aquifers. The effectiveness of the method was preliminarily established by high-fidelity simulations, including the sensitivity for responding to CO$_{2}$ leakage and the spatial resolution that can be achieved by the method. The simulation results indicate an increase of penetrating flux of the cosmic-ray muons with the increase of CO$_{2}$ leakage in the monitored aquifers. The sensitivity tends to be higher in monitoring leakage taking place in shallower depths. At depths of about 200 m, the detectable CO$_{2}$ can be as low as 3 % measured in volume fraction with a relatively high confidence level. The spatial resolution can be achieved within a range from 10 to 20 m for measurements at depths of no more than 520 m, demonstrating the effectiveness of the method. |
| Starting Page | 1 |
| Ending Page | 13 |
| Page Count | 13 |
| File Format | |
| ISSN | 18666280 |
| Journal | Environmental Earth Sciences |
| Volume Number | 75 |
| Issue Number | 10 |
| e-ISSN | 18666299 |
| Language | English |
| Publisher | Springer Berlin Heidelberg |
| Publisher Date | 2016-05-19 |
| Publisher Place | Berlin, Heidelberg |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | CO$_{2}$ geological sequestration Cosmic-ray muons Feasibility Leakage monitoring Geology Hydrology/Water Resources Geochemistry Environmental Science and Engineering Terrestrial Pollution Biogeosciences |
| Content Type | Text |
| Resource Type | Article |
| Subject | Global and Planetary Change Earth-Surface Processes Soil Science Environmental Chemistry Pollution Geology Water Science and Technology |
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