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Please use this identifier to cite or link to this item: http://arks.princeton.edu/ark:/88435/dsp01dn39x173q
Title: Characterizing Fugitive Methane Emissions in the Marcellus Shale Region Using Mobile Measurements
Authors: Yakubisin, Michelle Lyn
Advisors: Zondlo, Mark A.
Department: Chemical and Biological Engineering
Class Year: 2014
Abstract: Natural gas, particularly shale gas, comprises a growing portion of US energy production and is thought of as a bridge fuel to renewable energy. Although natural gas emits much less carbon dioxide than other fossil fuels, methane leakage may offset the climate benefits of natural gas over other fuels. I collected atmospheric measurements via a mobile, on-road sampling method near 84 natural gas sites in the Marcellus shale region in order to estimate a methane leakage rate and characterize the distribution of emitters. I determined that measurements should be collected within 300 meters of the well pad and that a single pass may not be representative. Using inverse Gaussian plume modeling, the site leakage rates ranged from 0.1 to 2800 metric tons/year. The distribution was highly skewed, with the top 6% of sites contributing 60% of methane emissions. This finding emphasizes the need to locate and repair “superemitters” to retain the climate benefits of natural gas over other fossil fuels.
Extent: 59 pages
URI: http://arks.princeton.edu/ark:/88435/dsp01dn39x173q
Type of Material: Princeton University Senior Theses
Language: en_US
Appears in Collections:Chemical and Biological Engineering, 1931-2016

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