Using Multiscale Ethane/Methane Observations to Attribute Coal Mine Vent Emissions in the San Juan Basin From 2013 to 2021

Meyer, Aaron G.; Lindenmaier, Rodica; Heerah, Sajjan; Benedict, Katherine B.; Kort, Eric A.; Peischl, Jeff; Dubey, Manvendra K.

doi:10.1029/2022jd037092

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Using Multiscale Ethane/Methane Observations to Attribute Coal Mine Vent Emissions in the San Juan Basin From 2013 to 2021

2022
By Meyer, Aaron G. ; Lindenmaier, Rodica ; Heerah, Sajjan ; ...
Source: Journal of Geophysical Research: Atmospheres, 127(18)

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Journal Title:

Journal of Geophysical Research: Atmospheres
Personal Author:

Meyer, Aaron G. ; Lindenmaier, Rodica ; Heerah, Sajjan ; Benedict, Katherine B. ; Kort, Eric A. ; ... More +

Meyer, Aaron G. ; Lindenmaier, Rodica ; Heerah, Sajjan ; Benedict, Katherine B. ; Kort, Eric A. ; Peischl, Jeff ; Dubey, Manvendra K. Less -
NOAA Program & Office:

OAR (Oceanic and Atmospheric Research) ; CIRES (Cooperative Institute for Research in Environmental Sciences) ; CSL (Chemical Sciences Laboratory)

OAR (Oceanic and Atmospheric Research) ; CIRES (Cooperative Institute for Research in Environmental Sciences) ; CSL (Chemical Sciences Laboratory) Less -
Description:

Source attribution of natural gas emissions from fossil fuels in New Mexico's San Juan Basin (SJB) is challenging due to source heterogeneity and emissions transience. We demonstrate that ethane (C2H6) to methane (CH4) mixing ratios can identify and separate sources over different scales using various measurement techniques. We report simultaneous CH4 and C2H6 observations near a coal mine vent and oil and gas (O&G) emission sources using ground-based in situ measurements in 2020/2021. During these campaigns, we observed a stable coal vent C2H6:CH4 ratio of 1.28% ± 0.11%, discernibly different than nearby O&G source ratios ranging from 0.9% to 16.8%. We analyze airborne observations of the SJB taken in 2014/2015 that
Keywords:

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Atmospheric Science Earth And Planetary Sciences (miscellaneous) Geophysics Space And Planetary Science
Source:

Journal of Geophysical Research: Atmospheres, 127(18)
DOI:

https://doi.org/10.1029/2022jd037092
ISSN:

2169-897X;2169-8996;
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PDF
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American Geophysical Union (AGU)
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Journal Article
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https://creativecommons.org/licenses/by-nc/4.0/
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CC BY-NC
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urn:sha256:9a199240ba58e11895aff3c6543ff74d0a258667d25d8a5c370f7cc17fa8082d
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https://repository.library.noaa.gov/view/noaa/54084/noaa_54084_DS1.pdf
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