Quantifying methane and ozone precursor emissions from oil and gas production regions across the continental US

Francoeur, Colby B.; McDonald, Brian C.; Gilman, Jessica B.; Zarzana, Kyle J.; Dix, Barbara; Brown, Steven S.; de Gouw, Joost A.; Frost, Gregory J.; Li, Meng; McKeen, Stuart A.; Peischl, Jeff; Pollack, Ilana B.; Ryerson, Thomas B.; Thompson, Chelsea; Warneke, Carsten; Trainer, Michael

doi:10.1021/acs.est.0c07352

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The NOAA IR serves as an archival repository of NOAA-published products including scientific findings, journal articles, guidelines, recommendations, or other information authored or co-authored by NOAA or funded partners. As a repository, the NOAA IR retains documents in their original published format to ensure public access to scientific information.

i

Quantifying methane and ozone precursor emissions from oil and gas production regions across the continental US

2021
By Francoeur, Colby B. ; McDonald, Brian C. ; Gilman, Jessica B. ; ...
Source: Environ. Sci. Technol., 55, 13, 9129–9139

[PDF-3.52 MB]

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Journal Title:

Environmental Science & Technology
Personal Author:

Francoeur, Colby B. ; McDonald, Brian C. ; Gilman, Jessica B. ; Zarzana, Kyle J. ; Dix, Barbara ; ... More +

Francoeur, Colby B. ; McDonald, Brian C. ; Gilman, Jessica B. ; Zarzana, Kyle J. ; Dix, Barbara ; Brown, Steven S. ; de Gouw, Joost A. ; Frost, Gregory J. ; Li, Meng ; McKeen, Stuart A. ; Peischl, Jeff ; Pollack, Ilana B. ; Ryerson, Thomas B. ; Thompson, Chelsea ; Warneke, Carsten ; Trainer, Michael Less -
NOAA Program & Office:

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

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

We present an updated fuel-based oil and gas (FOG) inventory with estimates of nitrogen oxide (NOx) emissions from oil and natural gas production in the contiguous US (CONUS). We compare the FOG inventory with aircraft-derived (“top-down”) emissions for NOx over footprints that account for ∼25% of US oil and natural gas production. Across CONUS, we find that the bottom-up FOG inventory combined with other anthropogenic emissions is on average within ∼10% of top-down aircraft-derived NOx emissions. We also find good agreement in the trends of NOx from drilling- and production-phase activities, as inferred by satellites and in the bottom-up inventory. Leveraging tracer–tracer relationships derived from aircraft observations, methane (CH4) and non-methane volatile organic compound (NMVOC) emissions have been added to the inventory. Our total CONUS emission estimates for 2015 of oil and natural gas are 0.45 ± 0.14 Tg NOx/yr, 15.2 ± 3.0 Tg CH4/yr, and 5.7 ± 1.7 Tg NMVOC/yr. Compared to the US National Emissions Inventory and Greenhouse Gas Inventory, FOG NOx emissions are ∼40% lower, while inferred CH4 and NMVOC emissions are up to a factor of ∼2 higher. This suggests that NMVOC/NOx emissions from oil and gas basins are ∼3 times higher than current estimates and will likely affect how air quality models represent ozone formation downwind of oil and gas fields.
Keywords:

[+]

Emissions Methane Ozone
Source:

Environ. Sci. Technol., 55, 13, 9129–9139
DOI:

https://doi.org/10.1021/acs.est.0c07352
Document Type:

Journal Article
Funding:

Grant no. NA17OAR4320101
Rights Information:

CC BY-NC-ND
Compliance:

Submitted
Main Document Checksum:

[+]

urn:sha256:0abf2cb18f497d280fc288775f1a84723706b752e506603ee0081129e417f9d5
Download URL:

https://repository.library.noaa.gov/view/noaa/40505/noaa_40505_DS1.pdf
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Quantifying methane and ozone precursor emissions from oil and gas production regions across the continental US

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