A New Technique for Airborne Measurements to Quantify Methane Emissions Over a Wind Range: Implementation and Validation
Methane (CH4) is a powerful greenhouse gas with a global warming potential 84 times higher than carbon dioxide (CO2) over 20 years. CH4 is produced from many natural and anthropogenic sources which can be further classified as biogenic or thermogenic in origin. The largest biogenic sources result fr...
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2024
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ftnonlinearchiv:oai:noa.gwlb.de:cop_mods_00072389 2024-04-21T08:10:22+00:00 A New Technique for Airborne Measurements to Quantify Methane Emissions Over a Wind Range: Implementation and Validation Dooley, Jonathan F. Minschwaner, Kenneth Dubey, Manvendra K. El Abbadi, Sahar H. Sherwin, Evan D. Meyer, Aaron G. Follansbee, Emily Lee, James E. 2024-03 electronic https://doi.org/10.5194/egusphere-2024-760 https://noa.gwlb.de/receive/cop_mods_00072389 https://noa.gwlb.de/servlets/MCRFileNodeServlet/cop_derivate_00070605/egusphere-2024-760.pdf https://egusphere.copernicus.org/preprints/2024/egusphere-2024-760/egusphere-2024-760.pdf eng eng Copernicus Publications https://doi.org/10.5194/egusphere-2024-760 https://noa.gwlb.de/receive/cop_mods_00072389 https://noa.gwlb.de/servlets/MCRFileNodeServlet/cop_derivate_00070605/egusphere-2024-760.pdf https://egusphere.copernicus.org/preprints/2024/egusphere-2024-760/egusphere-2024-760.pdf https://creativecommons.org/licenses/by/4.0/ uneingeschränkt info:eu-repo/semantics/openAccess article Verlagsveröffentlichung article Text doc-type:article 2024 ftnonlinearchiv https://doi.org/10.5194/egusphere-2024-760 2024-03-26T15:13:22Z Methane (CH4) is a powerful greenhouse gas with a global warming potential 84 times higher than carbon dioxide (CO2) over 20 years. CH4 is produced from many natural and anthropogenic sources which can be further classified as biogenic or thermogenic in origin. The largest biogenic sources result from anaerobic decay such as wetlands, melting permafrost, or the breakdown of organic matter in the guts of ruminant animals. Thermogenic CH4 is generated during the breakdown of organic matter at high temperatures and pressure within the Earth's crust, a process which also produces more complex trace hydrocarbons such as ethane (C2H6) and propane (C3H8). Emissions of thermogenic CH4 are dominated by the fossil fuel energy sector, and the presence of elevated C2H6 along with CH4 can be used to distinguish oil and gas emissions from biogenic sources. This work outlines the development and deployment of an Unmanned Aerial System (UAS) outfitted with a fast (1 Hz) and sensitive (1–2 ppb s-1) CH4 & C2H6 sensor and ultrasonic anemometer. The UAV platform is a vertical-takeoff, hexarotor vehicle capable of vertical profiling to 120 m altitude and plume sampling across scales up to 1 km. This system has been used for direct quantification of point sources, as well as distributed emitters such as landfills, with source rates as low as 0.04 kg h-1 and up to 1500 kg h-1. Simultaneous measurements of CH4 and C2H6 mixing ratios, vector winds, and positional data allows for source classification (biogenic versus thermogenic), differentiation, and emission rates without the need for modeling or a priori assumptions about winds, vertical mixing, or other environmental conditions. The UAS has been deployed throughout the Southwest United States for system validation and targeted quantification of various sources emitting at or below the detection limits of other aircraft and satellite systems. This system offers a direct, repeatable method of horizontal and vertical profiling of emission plumes at scales that provide complementary ... Article in Journal/Newspaper permafrost Niedersächsisches Online-Archiv NOA |
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article Verlagsveröffentlichung Dooley, Jonathan F. Minschwaner, Kenneth Dubey, Manvendra K. El Abbadi, Sahar H. Sherwin, Evan D. Meyer, Aaron G. Follansbee, Emily Lee, James E. A New Technique for Airborne Measurements to Quantify Methane Emissions Over a Wind Range: Implementation and Validation |
topic_facet |
article Verlagsveröffentlichung |
description |
Methane (CH4) is a powerful greenhouse gas with a global warming potential 84 times higher than carbon dioxide (CO2) over 20 years. CH4 is produced from many natural and anthropogenic sources which can be further classified as biogenic or thermogenic in origin. The largest biogenic sources result from anaerobic decay such as wetlands, melting permafrost, or the breakdown of organic matter in the guts of ruminant animals. Thermogenic CH4 is generated during the breakdown of organic matter at high temperatures and pressure within the Earth's crust, a process which also produces more complex trace hydrocarbons such as ethane (C2H6) and propane (C3H8). Emissions of thermogenic CH4 are dominated by the fossil fuel energy sector, and the presence of elevated C2H6 along with CH4 can be used to distinguish oil and gas emissions from biogenic sources. This work outlines the development and deployment of an Unmanned Aerial System (UAS) outfitted with a fast (1 Hz) and sensitive (1–2 ppb s-1) CH4 & C2H6 sensor and ultrasonic anemometer. The UAV platform is a vertical-takeoff, hexarotor vehicle capable of vertical profiling to 120 m altitude and plume sampling across scales up to 1 km. This system has been used for direct quantification of point sources, as well as distributed emitters such as landfills, with source rates as low as 0.04 kg h-1 and up to 1500 kg h-1. Simultaneous measurements of CH4 and C2H6 mixing ratios, vector winds, and positional data allows for source classification (biogenic versus thermogenic), differentiation, and emission rates without the need for modeling or a priori assumptions about winds, vertical mixing, or other environmental conditions. The UAS has been deployed throughout the Southwest United States for system validation and targeted quantification of various sources emitting at or below the detection limits of other aircraft and satellite systems. This system offers a direct, repeatable method of horizontal and vertical profiling of emission plumes at scales that provide complementary ... |
format |
Article in Journal/Newspaper |
author |
Dooley, Jonathan F. Minschwaner, Kenneth Dubey, Manvendra K. El Abbadi, Sahar H. Sherwin, Evan D. Meyer, Aaron G. Follansbee, Emily Lee, James E. |
author_facet |
Dooley, Jonathan F. Minschwaner, Kenneth Dubey, Manvendra K. El Abbadi, Sahar H. Sherwin, Evan D. Meyer, Aaron G. Follansbee, Emily Lee, James E. |
author_sort |
Dooley, Jonathan F. |
title |
A New Technique for Airborne Measurements to Quantify Methane Emissions Over a Wind Range: Implementation and Validation |
title_short |
A New Technique for Airborne Measurements to Quantify Methane Emissions Over a Wind Range: Implementation and Validation |
title_full |
A New Technique for Airborne Measurements to Quantify Methane Emissions Over a Wind Range: Implementation and Validation |
title_fullStr |
A New Technique for Airborne Measurements to Quantify Methane Emissions Over a Wind Range: Implementation and Validation |
title_full_unstemmed |
A New Technique for Airborne Measurements to Quantify Methane Emissions Over a Wind Range: Implementation and Validation |
title_sort |
new technique for airborne measurements to quantify methane emissions over a wind range: implementation and validation |
publisher |
Copernicus Publications |
publishDate |
2024 |
url |
https://doi.org/10.5194/egusphere-2024-760 https://noa.gwlb.de/receive/cop_mods_00072389 https://noa.gwlb.de/servlets/MCRFileNodeServlet/cop_derivate_00070605/egusphere-2024-760.pdf https://egusphere.copernicus.org/preprints/2024/egusphere-2024-760/egusphere-2024-760.pdf |
genre |
permafrost |
genre_facet |
permafrost |
op_relation |
https://doi.org/10.5194/egusphere-2024-760 https://noa.gwlb.de/receive/cop_mods_00072389 https://noa.gwlb.de/servlets/MCRFileNodeServlet/cop_derivate_00070605/egusphere-2024-760.pdf https://egusphere.copernicus.org/preprints/2024/egusphere-2024-760/egusphere-2024-760.pdf |
op_rights |
https://creativecommons.org/licenses/by/4.0/ uneingeschränkt info:eu-repo/semantics/openAccess |
op_doi |
https://doi.org/10.5194/egusphere-2024-760 |
_version_ |
1796951795173425152 |