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Satellite-based survey of extreme methane emissions in the Permian basin

https://doi.org/10.1126/sciadv.abf4507

Irakulis-Loitxate, Itziar; Guanter, Luis; Liu, Yin-Nian; Varon, Daniel J.; Maasakkers, Joannes D.; Zhang, Yuzhong; Chulakadabba, Apisada; Wofsy, Steven C.; Thorpe, Andrew K.; Duren, Riley M.; et al (July 2021, Science Advances)

Industrial emissions play a major role in the global methane budget. The Permian basin is thought to be responsible for almost half of the methane emissions from all U.S. oil- and gas-producing regions, but little is known about individual contributors, a prerequisite for mitigation. We use a new class of satellite measurements acquired during several days in 2019 and 2020 to perform the first regional-scale and high-resolution survey of methane sources in the Permian. We find an unexpectedly large number of extreme point sources (37 plumes with emission rates >500 kg hour −1 ), which account for a range between 31 and 53% of the estimated emissions in the sampled area. Our analysis reveals that new facilities are major emitters in the area, often due to inefficient flaring operations (20% of detections). These results put current practices into question and are relevant to guide emission reduction efforts.
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Remote sensing of the terrestrial carbon cycle: A review of advances over 50 years

https://doi.org/10.1016/j.rse.2019.111383

Xiao, Jingfeng; Chevallier, Frederic; Gomez, Cecile; Guanter, Luis; Hicke, Jeffrey A.; Huete, Alfredo R.; Ichii, Kazuhito; Ni, Wenjian; Pang, Yong; Rahman, Abdullah F.; et al (November 2019, Remote Sensing of Environment)
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Variability of sun-induced chlorophyll fluorescence according to stand age-related processes in a managed loblolly pine forest

https://doi.org/10.1111/gcb.14097

Colombo, Roberto; Celesti, Marco; Bianchi, Remo; Campbell, Petya K.; Cogliati, Sergio; Cook, Bruce D.; Corp, Lawrence A.; Damm, Alexander; Domec, Jean-Christophe; Guanter, Luis; et al (July 2018, Global Change Biology)

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