Articles | Volume 15, issue 17
https://doi.org/10.5194/amt-15-5117-2022
https://doi.org/10.5194/amt-15-5117-2022
Research article
 | 
08 Sep 2022
Research article |  | 08 Sep 2022

Characterization of inexpensive metal oxide sensor performance for trace methane detection

Daniel Furuta, Tofigh Sayahi, Jinsheng Li, Bruce Wilson, Albert A. Presto, and Jiayu Li

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Cited articles

Aldhafeeri, T., Tran, M.-K., Vrolyk, R., Pope, M., and Fowler, M.: A Review of Methane Gas Detection Sensors: Recent Developments and Future Perspectives, Inventions, 5, 28, https://doi.org/10.3390/inventions5030028, 2020. 
Bastviken, D., Nygren, J., Schenk, J., Parellada Massana, R., and Duc, N. T.: Technical note: Facilitating the use of low-cost methane (CH4) sensors in flux chambers – calibration, data processing, and an open-source make-it-yourself logger, Biogeosciences, 17, 3659–3667, https://doi.org/10.5194/bg-17-3659-2020, 2020. 
Caulton, D. R., Shepson, P. B., Santoro, R. L., Sparks, J. P., Howarth, R. W., Ingraffea, A. R., Cambaliza, M. O. L., Sweeney, C., Karion, A., Davis, K. J., Stirm, B. H., Montzka, S. A., and Miller, B. R.: Toward a better understanding and quantification of methane emissions from shale gas development, P. Natl. Acad. Sci. USA, 111, 6237–6242, https://doi.org/10.1073/pnas.1316546111, 2014. 
Cho, Y., Smits, K. M., Riddick, S. N., and Zimmerle, D. J.: Calibration and field deployment of low-cost sensor network to monitor underground pipeline leakage, Sensor. Actuat. B-Chem., 355, 131276, https://doi.org/10.1016/j.snb.2021.131276, 2022. 
Collier-Oxandale, A., Casey, J. G., Piedrahita, R., Ortega, J., Halliday, H., Johnston, J., and Hannigan, M. P.: Assessing a low-cost methane sensor quantification system for use in complex rural and urban environments, Atmos. Meas. Tech., 11, 3569–3594, https://doi.org/10.5194/amt-11-3569-2018, 2018. 
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Short summary
Methane is a major greenhouse gas and contributor to climate change with various human-caused and natural sources. Currently, atmospheric methane is expensive to sense. We investigate repurposing cheap methane safety sensors for atmospheric sensing, finding several promising sensors and identifying some of the challenges in this approach. This work will help in developing inexpensive sensor networks for methane monitoring, which will aid in reducing methane leaks and emissions.