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Open Access

Understanding high wintertime ozone pollution events in an oil- and natural gas-producing region of the western US

Atmos Chem Phys
14 Jan 2015
Ahmadov, R., McKeen, S., Trainer, M., Banta, R., Brewer, A., Brown, S., Edwards, P. M., de Gouw, J. A., Frost, G. J., Gilman, J., Helmig, D., Johnson, B., Karion, A., Koss, A., Langford, A., Lerner, B., Olson, J., Oltmans, S., Peischl, J., Pétron, G., Pic

This study compares high-resolution meteorological simulations for atmospheric pollutants and ozone formation over the Uinta Basin using two different emission scenarios: EPA bottom up emission estimates and recent top-down measurements. Model results provide further evidence that federal methane emission estimates from oil and gas development are too low.

Open Access
Peer Reviewed

Mapping CH4 : CO2 ratios in Los Angeles with CLARS-FTS from Mount Wilson, California

Atmos Chem Phys
12 Jan 2015
K. W. Wong, D. Fu, T. J. Pongetti, S. Newman, E. A. Kort, R. Duren, Y.-K. Hsu, C. E. Miller, Y. L. Yung, and S. P. Sander

This study uses high elevation ground-based remote sensing to to characterize anthropogenic CH4 emissions in Los Angeles metropolitan area using tracer–tracer correlations and finds CH4 emissions 18 - 61% larger than the state government's bottom-up CH4 emission inventory and consistent with previous studies.

Open Access
Peer Reviewed

Influence of oil and gas emissions on ambient atmospheric non-methane hydrocarbons in residential areas of Northestern Colorado

Elem. Sci. Anth.
14 Nov 2014
Thompson CR, Hueber J, Helmig D
Open Access
Peer Reviewed

Volatile organic compound emissions from the oil and natural gas industry in the Uintah Basin, Utah: oil and gas well pad emissions compared to ambient air composition

Atmos Chem Phys
17 Oct 2014
C. Warneke, F. Geiger, P. M. Edwards, W. Dube, G. Pétron, J. Kofler, A. Zahn, S. S. Brown, M. Graus, J. B. Gilman, B. M. Lerner, J. Peischl, T. B. Ryerson, J. A. de Gouw, and J. M. Roberts

Study presents some of the first air "measurements using fast-response VOC instruments to look at individual gas and oil well pads and other point sources associated with oil and natural gas production"

Open Access
Peer Reviewed

Remote sensing of fugitive methane emissions from oil and gas production in North American tight geologic formations

Earth'sFuture
06 Oct 2014
Oliver Schneising, John P. Burrows, Russell R. Dickerson, Michael Buchwitz, Maximilian Reuter, and Heinrich Bovensmann
Researchers use satellite data to quantify methane emissions from the Bakken, Eagle Ford, and Marcellus basins (USA).
Peer Reviewed

High winter ozone pollution from carbonyl photolysis in an oil and gas basin

Nature
01 Oct 2014
Peter M. Edwards, Steven S. Brown, James M. Roberts, Ravan Ahmadov, Robert M. Banta, Joost A. deGouw, William P. Dubé, Robert A. Field, James H. Flynn, Jessica B. Gilman, Martin Graus, Detlev Helmig, Abigail Koss, Andrew O. Langford, Barry L. Lefer, Bria
Research sheds-light on previously high winter ozone observations in the Uintah basin
Open Access
Peer Reviewed

The Environmental Costs and Benefits of Fracking

Annual Reviews
09 Aug 2014
Robert B. Jackson, Avner Vengosh, J. William Carey, Richard J. Davies, Thomas H. Darrah, Francis O'Sullivan, and Gabrielle Pétron
A comprehensive review of the environmental consequences of unconventional energy extraction and hydraulic fracturing, including production estimates, water intensity, issues of well integrity and potential leakage of chemicals, brines, or gases, water quality, the potential for induced seismicity and the life-cycle emissions of hydrocarbons.
Open Access
Peer Reviewed

Assessment and risk analysis of casing and cement impairment in oil and gas wells in Pennsylvania, 2000–2012

PNAS
30 Jun 2014
Anthony R. Ingraffea, Martin T. Wells, Renee L. Santoro, and Seth B. C. Shonkoff
Previous research has demonstrated that proximity to unconventional gas development is associated with elevated concentrations of methane in groundwater aquifers in Pennsylvania. To date, the mechanism of this migration is poorly understood. Our study, which looks at more than 41,000 conventional and unconventional oil and gas wells, helps to explain one possible mechanism of methane migration: compromised structural integrity of casing and cement in oil and gas wells. Additionally, methane, being the primary constituent of natural gas, is a strong greenhouse gas. The identification of mechanisms through which methane may migrate to the atmosphere as fugitive emissions is important to understand the climate dimensions of oil and gas development.
Peer Reviewed

A new look at methane and non-methane hydrocarbon emissions from oil and natural gas operations in the Colorado Denver-Julesburg Basin

Journal of Geophysical Research - Atmospheres
08 May 2014
Gabrielle Pétron, Anna Karion, Colm Sweeney, Benjamin R. Miller, Stephen A. Montzka, Gregory Frost, Michael Trainer, Pieter Tans, Arlyn Andrews, Jonathan Kofler, Detlev Helmig, Douglas Guenther, Ed Dlugokencky, Patricia Lang, Tim Newberger, Sonja Wolter,
The study revisits the estimates of hydrocarbon emissions from an oil and gas basin using airborne measurements and finds that inventories underestimate hydrocarbon emissions in the basin by a factor of 2 or more.
Open Access
Peer Reviewed

Understanding exposure from natural gas drilling puts current air standards to the test

Reviews on Environmental Health
Mar 2014
David Brown, Beth Weinberger, Celia Lewis, Heather Bonaparte
This study illustrates that current methods of collecting emissions data, as well as the analyses of these data, are not sufficient for accurately assessing risks to individuals or protecting the health of those near UNGD sites.
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