Quantification of methane emitted by ruminants: a review of methods

LO Tedeschi, AL Abdalla, C Alvarez… - Journal of Animal …, 2022 - academic.oup.com
The contribution of greenhouse gas (GHG) emissions from ruminant production systems
varies between countries and between regions within individual countries. The appropriate …

Methane emissions from animal agriculture: Micrometeorological solutions for challenging measurement situations

J Laubach, TK Flesch, C Ammann, M Bai, Z Gao… - Agricultural and Forest …, 2024 - Elsevier
Methane (CH 4) is the second-most important greenhouse gas in terms of its total
contribution to global warming, and animal agriculture accounts for a significant share of its …

[HTML][HTML] Evaluating the use of an Unmanned Aerial Vehicle (UAV)-based active AirCore system to quantify methane emissions from dairy cows

K Vinković, T Andersen, M de Vries, B Kers… - Science of The Total …, 2022 - Elsevier
Enteric fermentation and manure methane emissions from livestock are major
anthropogenic greenhouse gas emissions. In general, direct measurements of farm-scale …

[HTML][HTML] Methane emissions from five Danish pig farms: Mitigation strategies and inventory estimated emissions

NT Vechi, NS Jensen, C Scheutz - Journal of Environmental Management, 2022 - Elsevier
This study investigated whole-farm methane emissions from five Danish pig farms with
different manure management practices and compared measured emission rates to …

[HTML][HTML] Quantification of methane emissions from cattle farms, using the tracer gas dispersion method

NT Vechi, J Mellqvist, C Scheutz - Agriculture, Ecosystems & Environment, 2022 - Elsevier
In Denmark, agriculture is the largest source of anthropogenic methane emissions (81%),
mainly from cattle (dairy and beef) farms. Whole-farm methane emissions were quantified at …

Constraining the accuracy of flux estimates using OTM 33A

R Edie, AM Robertson, RA Field, J Soltis… - Atmospheric …, 2020 - amt.copernicus.org
Abstract Other Test Method 33A (OTM 33A) is a near-source flux measurement method
developed by the Environmental Protection Agency (EPA) primarily used to locate and …

[HTML][HTML] Inferring surface energy fluxes using drone data assimilation in large eddy simulations

N Pirk, K Aalstad, S Westermann… - Atmospheric …, 2022 - amt.copernicus.org
Spatially representative estimates of surface energy exchange from field measurements are
required for improving and validating Earth system models and satellite remote sensing …

[HTML][HTML] Measurements of methane emissions from manure tanks, using a stationary tracer gas dispersion method

NT Vechi, C Scheutz - Biosystems Engineering, 2023 - Elsevier
Methods to measure fugitive methane emissions from farm-scale manure storage tanks are
needed to improve understanding of these emissions. Tracer dispersion methods (TDMs) …

Enhancements in ammonia and methane from agricultural sources in the Northeastern Colorado Front Range using observations from a small research aircraft

IB Pollack, ME McCabe, DR Caulton… - … Science & Technology, 2022 - ACS Publications
Quantifying ammonia (NH3) to methane (CH4) enhancement ratios from agricultural sources
is important for understanding air pollution and nitrogen deposition. The northeastern …

[HTML][HTML] Quantification of natural gas and other hydrocarbons from production sites in northern West Virginia using tracer flux ratio methodology

C Daube, SC Herndon, JE Krechmer, D Johnson… - Atmospheric …, 2023 - Elsevier
Tracer flux ratio (TFR) methodology performed downwind of 15 active oil and natural gas
production sites in Ohio County, West Virginia sought to quantify air pollutant emissions over …