Multi-spectral imaging of vegetation for CO 2 leak detection
Hogan, Justin Allan
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Though its status as a crisis situation remains the subject of much debate [1,2] there does exist evidence that global warming is a real phenomenon  and that its processes are to some degree enhanced by anthropogenically introduced greenhouse gases, perhaps most notably carbon dioxide (CO 2) . This claim is backed by observations of increasing atmospheric CO 2 concentrations from nearly 280-ppm around 1750 to 360 ppm in 1995 . By the end of 2010, this number was up to approximately 390 ppm . To reduce human influence on the global environment, carbon capture and sequestration (CCS) is proposed as a means of collecting CO 2 generated through industrial and consumer processes and sequestering it so as not to release it into the atmosphere, thereby reducing atmospheric concentrations of the gas. Suggested methods of sequestration include direct deep-sea injection , soil sequestration through improved land use and management practices , and geological carbon sequestration in which captured carbon is injected into underground geological features. This research focuses primarily on development and testing of a leak detection technology for deployment to geological sequestration sites. A diverse technology portfolio will be required to implement safe and efficient sequestration solutions . Included in this portfolio is technology capable of monitoring sequestration site integrity; detecting and signaling leakage, should it occur. Early leak detection is paramount to ensuring on-site safety and to minimize, or at least understand, potentially harmful environmental leak effects.