Articles | Volume 14, issue 4
Atmos. Meas. Tech., 14, 2771–2785, 2021
https://doi.org/10.5194/amt-14-2771-2021
Atmos. Meas. Tech., 14, 2771–2785, 2021
https://doi.org/10.5194/amt-14-2771-2021

Research article 12 Apr 2021

Research article | 12 Apr 2021

High-frequency monitoring of anomalous methane point sources with multispectral Sentinel-2 satellite observations

Daniel J. Varon et al.

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Cited articles

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Cusworth, D. H., Jacob, D. J., Varon, D. J., Chan Miller, C., Liu, X., Chance, K., Thorpe, A. K., Duren, R. M., Miller, C. E., Thompson, D. R., Frankenberg, C., Guanter, L., and Randles, C. A.: Potential of next-generation imaging spectrometers to detect and quantify methane point sources from space, Atmos. Meas. Tech., 12, 5655–5668, https://doi.org/10.5194/amt-12-5655-2019, 2019. 
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Satellites can detect methane emissions by measuring sunlight reflected from the Earth's surface and atmosphere. Here we show that the European Space Agency's Sentinel-2 twin satellites can be used to monitor anomalously large methane point sources around the world, with global coverage every 2–5 days and 20 m spatial resolution. We demonstrate this previously unreported capability through high-frequency Sentinel-2 monitoring of two strong methane point sources in Algeria and Turkmenistan.