Articles | Volume 16, issue 15
https://doi.org/10.5194/bg-16-3033-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-16-3033-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Ideas and perspectives: is shale gas a major driver of recent increase in global atmospheric methane?
Robert W. Howarth
CORRESPONDING AUTHOR
Department of Ecology and Evolutionary Biology, Cornell University,
Ithaca, NY 14853, USA
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- Effect of a Low-Methane Diet on Performance and Microbiome in Lactating Dairy Cows Accounting for Individual Pre-Trial Methane Emissions J. Chagas et al. 10.3390/ani11092597
- New Mexico Permian Basin Measured Well Pad Methane Emissions Are a Factor of 5–9 Times Higher Than U.S. EPA Estimates A. Robertson et al. 10.1021/acs.est.0c02927
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- Intermediate-Scale Laboratory Investigation of Stray Gas Migration Impacts: Transient Gas Flow and Surface Expression C. Van De Ven & K. Mumford 10.1021/acs.est.0c03530
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- Commentary: Epidemiology, economics and the path to clean energy P. Landrigan & A. Bernstein 10.1093/ije/dyaa224
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- Variations in Surface Concentrations and Total Column of CO2 and CH4 in the Central Part of the European Territory of Russia K. Visheratin et al. 10.1134/S0001433823020081
- Transition metal oxide complexes as molecular catalysts for selective methane to methanol transformation: any prospects or time to retire? E. Claveau et al. 10.1039/D2CP05480A
- The Global Methane Budget 2000–2017 M. Saunois et al. 10.5194/essd-12-1561-2020
- Repair Failures Call for New Policies to Tackle Leaky Natural Gas Distribution Systems M. Edwards et al. 10.1021/acs.est.0c07531
- Clumped isotope measurements reveal aerobic oxidation of methane below the Greenland ice sheet G. Adnew et al. 10.1016/j.gca.2024.11.009
- Impact of U.S. Oil and Natural Gas Emission Increases on Surface Ozone Is Most Pronounced in the Central United States A. Pozzer et al. 10.1021/acs.est.9b06983
- The health and climate impacts of carbon capture and direct air capture M. Jacobson 10.1039/C9EE02709B
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Discussed (final revised paper)
Latest update: 14 Dec 2024
Short summary
Atmospheric methane has risen rapidly since 2008 and has become more depleted in 13C, in contrast to the trend towards more 13C enrichment in the late 20th century. Many have used this isotopic evidence to infer an increased biogenic source. Here I analyze the 13C trend with the consideration that methane from shale gas is somewhat depleted in 13C compared to other fossil fuels. I conclude that shale gas may be responsible for a third of the global increase from all sources.
Atmospheric methane has risen rapidly since 2008 and has become more depleted in 13C, in...
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