Search Results - "Golston, Levi M."
-
1
Methane emissions from natural gas vehicles in China
Published in Nature communications (11-09-2020)“…Natural gas vehicles (NGVs) have been promoted in China to mitigate air pollution, yet our measurements and analyses show that NGV growth in China may have…”
Get full text
Journal Article -
2
Characterization of Ammonia, Methane, and Nitrous Oxide Emissions from Concentrated Animal Feeding Operations in Northeastern Colorado
Published in Environmental science & technology (18-10-2016)“…Atmospheric emissions from animal husbandry are important to both air quality and climate, but are hard to characterize and quantify as they differ…”
Get full text
Journal Article -
3
Natural Gas Fugitive Leak Detection Using an Unmanned Aerial Vehicle: Localization and Quantification of Emission Rate
Published in Atmosphere (23-08-2018)“…We describe a set of methods for locating and quantifying natural gas leaks using a small unmanned aerial system equipped with a path-integrated methane…”
Get full text
Journal Article -
4
Natural Gas Fugitive Leak Detection Using an Unmanned Aerial Vehicle: Measurement System Description and Mass Balance Approach
Published in Atmosphere (01-10-2018)“…Natural gas is an abundant resource across the United States, of which methane (CH4) is the main component. About 2% of extracted CH4 is lost through leaks…”
Get full text
Journal Article -
5
Vehicle Emissions as an Important Urban Ammonia Source in the United States and China
Published in Environmental science & technology (21-02-2017)“…Ammoniated aerosols are important for urban air quality, but emissions of the key precursor NH3 are not well quantified. Mobile laboratory observations are…”
Get full text
Journal Article -
6
Variability of Ammonia and Methane Emissions from Animal Feeding Operations in Northeastern Colorado
Published in Environmental science & technology (15-09-2020)“…Concentrated animal feeding operations (CAFOs) are major emitters of both ammonia (NH3) and methane (CH4). However, current emission inventories have limited…”
Get full text
Journal Article -
7
Ammonia Dry Deposition in an Alpine Ecosystem Traced to Agricultural Emission Hotpots
Published in Environmental science & technology (15-06-2021)“…Elevated reactive nitrogen (Nr) deposition is a concern for alpine ecosystems, and dry NH3 deposition is a key contributor. Understanding how emission hotspots…”
Get full text
Journal Article -
8
Importance of Superemitter Natural Gas Well Pads in the Marcellus Shale
Published in Environmental science & technology (07-05-2019)“…A large-scale study of methane emissions from well pads was conducted in the Marcellus shale (Pennsylvania), the largest producing natural gas shale play in…”
Get full text
Journal Article -
9
Near-Field Characterization of Methane Emission Variability from a Compressor Station Using a Model Aircraft
Published in Environmental science & technology (07-07-2015)“…A model aircraft equipped with a custom laser-based, open-path methane sensor was deployed around a natural gas compressor station to quantify the methane leak…”
Get full text
Journal Article -
10
Low-power, open-path mobile sensing platform for high-resolution measurements of greenhouse gases and air pollutants
Published in Applied physics. B, Lasers and optics (01-04-2015)“…A low-power mobile sensing platform has been developed with multiple open-path gas sensors to measure the ambient concentrations of greenhouse gases and air…”
Get full text
Journal Article -
11
Lightweight mid-infrared methane sensor for unmanned aerial systems
Published in Applied physics. B, Lasers and optics (01-06-2017)“…The design and field performance of a compact diode laser-based instrument for measuring methane on unmanned aerial systems (UAS) is described. The system is…”
Get full text
Journal Article -
12
Quantifying uncertainties from mobile-laboratory-derived emissions of well pads using inverse Gaussian methods
Published in Atmospheric chemistry and physics (22-10-2018)“…Mobile laboratory measurements provide information on the distribution of CH4 emissions from point sources such as oil and gas wells, but uncertainties are…”
Get full text
Journal Article -
13
Validation of IASI Satellite Ammonia Observations at the Pixel Scale Using In Situ Vertical Profiles
Published in Journal of geophysical research. Atmospheres (16-05-2021)“…Satellite ammonia (NH3) observations provide unprecedented insights into NH3 emissions, spatiotemporal variabilities and trends, but validation with in situ…”
Get full text
Journal Article -
14
Importance of Super-Emitter Natural Gas Well Pads in the Marcellus Shale
Published in Environmental science & technology (11-03-2019)“…A large-scale study of methane emissions from well pads was conducted in the Marcellus shale (PA), the largest producing natural gas shale play in the U.S., to…”
Get full text
Journal Article