Aerial detection of a simulated CO2 leak from a geologic sequestration site using hyperspectral imagery

Bellante, Gabriel J.; Powell, Scott; Lawrence, Rick L.; Repasky, Kevin S.; Dougher, Tracy A. O.

doi:10.1016/j.ijggc.2012.11.034

Cited by 32 publications

(25 citation statements)

References 46 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Plant stress was indicated by visible purple leaf discolouration and changes in several indices indicating reduction in both chlorophyll A and B (Lakkaraju et al, 2010). Bellante et al (2013) developed a red edge index from hyperspectral data at ZERT that was significantly lower for CO 2 -stressed vegetation than healthy vegetation. This appeared to show a progressive response to CO 2 injection and subsequent recovery once injection ceased.…”

Section: Introductionmentioning

confidence: 99%

Developments since 2005 in understanding potential environmental impacts of CO2 leakage from geological storage

Jones

Beaubien

Blackford

et al. 2015

International Journal of Greenhouse Gas Control

View full text Add to dashboard Cite

This paper reviews research into the potential environmental impacts of leakage from geological storage of CO 2 since the publication of the IPCC Special Report on Carbon Dioxide Capture and Storage in 2005. Possible impacts are considered on onshore (including drinking water aquifers) and offshore ecosystems. The review does not consider direct impacts on man or other land animals from elevated atmospheric CO 2 levels. Improvements in our understanding of the potential impacts have come directly from CO 2 storage research but have also benefitted from studies of ocean acidification and other impacts on aquifers and onshore near surface ecosystems. Research has included observations at natural CO 2 sites, laboratory and field experiments and modelling. Studies to date suggest that the impacts from many lower level fault-or well-related leakage scenarios are likely to be limited spatially and temporarily and recovery may be rapid. The effects are often ameliorated by mixing and dispersion of the leakage and by buffering and other reactions; potentially harmful elements have rarely breached drinking water guidelines. Larger releases, with potentially higher impact, would be possible from open wells or major pipeline leaks but these are of lower probability and should be easier and quicker to detect and remediate.

show abstract

Section: Introductionmentioning

confidence: 99%

Developments since 2005 in understanding potential environmental impacts of CO2 leakage from geological storage

Jones

Beaubien

Blackford

et al. 2015

International Journal of Greenhouse Gas Control

View full text Add to dashboard Cite

show abstract

“…One approach is to use airborne hyperspectral or multispectral imaging. This has been deployed at controlled release sites [33,34] and has been used with some success at natural CO 2 seeps [35][36][37][38]. Example hyperspectral images for ZERT and Ginninderra are provided in Figure 3.…”

Section: High Risk Zones and Broad-scale Detection At The Surfacementioning

confidence: 99%

Looking for leakage or monitoring for public assurance?

et al. 2014

View full text Add to dashboard Cite

Monitoring is a regulatory requirement for all carbon dioxide capture and geological storage (CCS) projects to verify containment of injected carbon dioxide (CO 2 ) within a licensed geological storage complex. Carbon markets require CO 2 storage to be verified. The public wants assurances CCS projects will not cause any harm to themselves, the environment or other natural resources. In the unlikely event that CO 2 leaks from a storage complex, and into groundwater, to the surface, atmosphere or ocean, then monitoring methods will be required to locate, assess and quantify the leak, and to inform the community about the risks and impacts on health, safety and the environment. This paper considers strategies to improve the efficiency of monitoring the large surface area overlying onshore storage complexes. We provide a synthesis of findings from monitoring for CO 2 leakage at geological storage sites both natural and engineered, and from monitoring controlled releases of CO 2 at four shallow release facilities -ZERT (USA), Ginninderra (Australia), Ressacada (Brazil) and CO 2 field lab (Norway).

show abstract

“…Spectral methods are most commonly used, as the decline in plant health is accompanied by plant chlorophyll absorbing less radiation in visible wavelengths and reflecting less energy at near infrared wavelengths, creating an identifiable spectral signature (Bellante et al, 2013;Rouse et al, 2010). One such effort used volcanic vents as proxies for a leaking sequestration project, and attempted detection of the location of active vents using multiple spectral sensors (Bateson et al, 2008).…”

Section: Vegetative Stressmentioning

confidence: 99%

“…3, Male et al, 2010). A recent study examined the use of a narrowband airborne sensor to map vegetative responses to artificially increased subsurface CO 2 at this test site, using a Red Edge Index (REI) that highlights spectral differences between unstressed, low, moderate, and highly stressed vegetation at the transition zone from visible red to near infrared wavelengths and showing promise for discriminating CO 2 subsurface leaks (Bellante et al, 2013). A benefit of indirect detection of seepage via remote sensing of plant health is that the limited area out to which a leak has an effect on the vegetation serves to highlight a more discrete location to investigate for the source of the leak (Table 4).…”

Section: Vegetative Stressmentioning

confidence: 99%

“…A benefit of indirect detection of seepage via remote sensing of plant health is that the limited area out to which a leak has an effect on the vegetation serves to highlight a more discrete location to investigate for the source of the leak (Table 4). Causes for concern with remote sensing of vegetative stress include a lack of knowledge of the effect the size of a leak has on the response of vegetation (Amthor, 1995;Bellante et al, 2013), as well as how to distinguish spectral responses due to external influences on plant health such as weather or season from a response due to a leak (Pickles and Cover, 2004). It has been demonstrated that a detectable difference in stress response timing can be found between plants stressed by increased CO 2 levels as compared with plants stressed by herbicide application (Yahaya et al, 2011).…”

Section: Vegetative Stressmentioning

confidence: 99%

See 1 more Smart Citation