Remote real-time monitoring of subsurface landfill gas migration
Fay, Cormac and Doherty, Aiden R. and Beirne, Stephen and Collins, Fiachra and Foley, Colum and Healy, John and Kiernan, Breda M. and Lee, Hyowon and Maher, Damien and Orpen, Dylan and Phelan, Thomas and Qiu, Zhengwei and Zhang, Kirk and Gurrin, Cathal and Corcoran, Brian and O'Connor , Noel E. and Smeaton, Alan F. and Diamond, Dermot (2011) Remote real-time monitoring of subsurface landfill gas migration. Sensors, 11 (7). pp. 6603-6628. ISSN 1424-8220
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The cost of monitoring greenhouse gas emissions from landfill sites is of major concern for regulatory authorities. The current monitoring procedure is recognised as labour intensive, requiring agency inspectors to physically travel to perimeter borehole wells in rough terrain and manually measure gas concentration levels with expensive hand-held instrumentation. In this article we present a cost-effective and efficient system for remotely monitoring landfill subsurface migration of methane and carbon dioxide concentration levels. Based purely on an autonomous sensing architecture, the proposed sensing platform was capable of performing complex analytical measurements in situ and successfully communicating the data remotely to a cloud database. A web tool was developed to present the sensed data to relevant stakeholders. We report our experiences in deploying such an approach in the field over a period of approximately 16 months.
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