selected publications
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journal article
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Atmospheric data support a multi-decadal shift in the global methane budget towards natural tropical emissions.
Atmospheric Chemistry and Physics.
8429-8452.
2023
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Global Atmospheric δ13CH4 and CH4 Trends for 2000-2020 from the Atmospheric Transport Model TM5 Using CH4 from Carbon Tracker Europe-CH4 Inversions.
Atmosphere.
2023
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Using ice core measurements from Taylor Glacier, Antarctica, to calibrate in situ cosmogenic C-14 production rates by muons.
The Cryosphere.
843-863.
2023
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Estimating emissions of methane consistent with atmospneric measurements of methane and delta C-13 of methane.
Atmospheric Chemistry and Physics.
15351-15377.
2022
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Improved global wetland carbon isotopic signatures support post-2006 microbial methane emission increase.
Communications Earth & Environment.
2022
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Variational inverse modeling within the Community Inversion Framework v1.1 to assimilate delta C-13(CH4) and CH4: a case study with model LMDz-SACS.
Geoscientific Model Development.
4831-4851.
2022
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The Role of Emission Sources and Atmospheric Sink in the Seasonal Cycle of CH4 and delta(13)-CH4: Analysis Based on the Atmospheric Chemistry Transport Model TM5.
Atmosphere.
2022
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Continuous CH4 and delta(CH4)-C-13 measurements in London demonstrate under-reported natural gas leakage.
Atmospheric Chemistry and Physics.
3595-3613.
2022
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Atmospheric methane and nitrous oxide: challenges alongthe path to Net Zero.
Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences.
2021
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What do we know about the global methane budget? Results from four decades of atmospheric CH4 observations and the way forward.
Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences.
2021
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Improved Constraints on Global Methane Emissions and Sinks Using delta C-13-CH4.
Global Biogeochemical Cycles: an international journal of global change.
2021
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Evaluation of a field-deployable Nafion (TM)-based air-drying system for collecting whole air samples and its application to stable isotope measurements of CO2.
Atmospheric Measurement Techniques.
4051-4064.
2020
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Strong sensitivity of the isotopic composition of methane to the plausible range of tropospheric chlorine.
Atmospheric Chemistry and Physics.
8405-8419.
2020
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Preindustrial (CH4)-C-14 indicates greater anthropogenic fossil CH4 emissions.
Nature.
409-+.
2020
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Enhanced North American carbon uptake associated with El Nino.
Science Advances.
2019
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Very Strong. Atmospheric Methane Growth in the 4 Years 2014-2017: Implications for the paris Agreement.
Global Biogeochemical Cycles: an international journal of global change.
318-342.
2019
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Limited impact of El Nino-Southern Oscillation on variability and growth rate of atmospheric methane.
Biogeosciences.
6371-6386.
2018
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Interlaboratory comparison of delta C-13 and delta D measurements of atmospheric CH4 for combined use of data sets from different laboratories.
Atmospheric Measurement Techniques.
1207-1231.
2018
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Upward revision of global fossil fuel methane emissions based on isotope database (vol 538, pg 88, 2016).
Nature.
452-452.
2017
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Using delta C-13-CH4 and delta D-CH4 to constrain Arctic methane emissions.
Atmospheric Chemistry and Physics.
14891-14908.
2016
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Upward revision of global fossil fuel methane emissions based on isotope database.
Nature.
88-91.
2016
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Rising atmospheric methane: 2007-2014 growth and isotopic shift.
Global Biogeochemical Cycles: an international journal of global change.
1356-1370.
2016
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A 21st-century shift from fossil-fuel to biogenic methane emissions indicated by (CH4)-C-13.
Science.
80-84.
2016
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Atmospheric data support a multi-decadal shift in the global methane budget towards natural tropical emissions.
Atmospheric Chemistry and Physics.
8429-8452.
2023