Development of differential absorption lidar (DIAL) for detection of CO2, CH4 and PM in Alberta

Michael Wojcik; Blake Crowther; Robert Lemon; Prasad Valupadas; Long Fu; Bonnie Leung; Zheng Yang; Quamrul Huda; Allan Chambers

doi:10.1117/12.2176984

13 May 2015 Development of differential absorption lidar (DIAL) for detection of CO₂, CH₄and PM in Alberta

Michael Wojcik, Blake Crowther, Robert Lemon, Prasad Valupadas, Long Fu, Bonnie Leung, Zheng Yang, Quamrul Huda, Allan Chambers

Author Affiliations +

Proceedings Volume 9486, Advanced Environmental, Chemical, and Biological Sensing Technologies XII; 94860K (2015) https://doi.org/10.1117/12.2176984
Event: SPIE Sensing Technology + Applications, 2015, Baltimore, MD, United States

Abstract

Rapid expansion of the oil and gas industry in Alberta, including the oil sands, has challenged the Alberta Government to keep pace in its efforts to monitor and mitigate the environmental impacts of development. The limitations of current monitoring systems has pushed the provincial government to seek out advanced sensing technologies such as satellite imagery and laser based sensors. The Space Dynamics Laboratory (SDL) of Utah State University, in cooperation with Alberta Environmental Monitoring, Evaluation and Reporting Agency (AEMERA), has developed North America’s first mobile differential absorption lidar (DIAL) system designed specifically for emissions measurement. This instrument is housed inside a 36’ trailer which allows for mobility to travel across Alberta to characterize source emissions and to locate fugitive leaks. DIAL is capable of measuring concentrations for carbon dioxide (CO₂) and methane (CH₄) at ranges of up to 3 km with a spatial resolution of 10 meters. DIAL can map both CO₂ and CH₄, as well as particulate matter (PM) in a linear fashion; by scanning the laser beam in both azimuth and elevation DIAL can create images of emissions in two dimensions. DIAL imagery may be used to understand and control production practices, characterize source emissions, determine emission factors, locate fugitive leaks, assess plume dispersion, and confirm air dispersion modeling. A system overview of the DIAL instrument and some representative results will be discussed.

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Michael Wojcik, Blake Crowther, Robert Lemon, Prasad Valupadas, Long Fu, Bonnie Leung, Zheng Yang, Quamrul Huda, and Allan Chambers "Development of differential absorption lidar (DIAL) for detection of CO₂, CH₄and PM in Alberta", Proc. SPIE 9486, Advanced Environmental, Chemical, and Biological Sensing Technologies XII, 94860K (13 May 2015); https://doi.org/10.1117/12.2176984

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