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Relevant bibliographies by topics / CO2 and CH4 Leak detection

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Journal articles

Academic literature on the topic 'CO2 and CH4 Leak detection'

Author: Grafiati

Published: 9 November 2024

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Journal articles on the topic "CO2 and CH4 Leak detection"

1

Dherbecourt, Jean-Baptiste, Jean-Michel Melkonian, Antoine Godard, et al. "NAOMI GAZL: A Multispecies DIAL Tested on the TADI Gas Leak Simulation Facility." EPJ Web of Conferences 237 (2020): 03016. http://dx.doi.org/10.1051/epjconf/202023703016.

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We report on a direct detection differential absorption lidar (DIAL), designed for remote detection of CH4 and CO2. The system is based on a single-frequency optical parametric oscillator/amplifier system, tunable in the 1.57-1.65 µm range. The DIAL system, called NAOMI GAZL, was tested on a controlled gas release facility in October 2018.

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2

Kuze, Akihiko, Nobuhiro Kikuchi, Fumie Kataoka, Hiroshi Suto, Kei Shiomi, and Yutaka Kondo. "Detection of Methane Emission from a Local Source Using GOSAT Target Observations." Remote Sensing 12, no. 2 (2020): 267. http://dx.doi.org/10.3390/rs12020267.

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Emissions of atmospheric methane (CH4), which greatly contributes to radiative forcing, have larger uncertainties than those for carbon dioxide (CO2). The Thermal And Near-infrared Sensor for carbon Observation Fourier-Transform Spectrometer (TANSO-FTS) onboard the Greenhouse gases Observing SATellite (GOSAT) launched in 2009 has demonstrated global grid observations of the total column density of CO2 and CH4 from space, and thus reduced uncertainty in the global flux estimation. In this paper, we present a case study on local CH4 emission detection from a single-point source using an availabl

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3

Russ, Tamara, Joseph R. Stetter, Eric Luong, Avadhkumar Jitubhai Patel, and Winncy Du. "(Invited) Detection, Location and Quantification of H₂ Gas Leaks Based on Data Collected with Electrochemical Sensors in a Specifically Designed Test Chamber." ECS Meeting Abstracts MA2024-01, no. 51 (2024): 2756. http://dx.doi.org/10.1149/ma2024-01512756mtgabs.

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Hydrogen is one of the most important energy gases as it is carbon free and therefore can result in the emission reduction of the greenhouse gas CO2. However, hydrogen itself is a secondary greenhouse gas. As a secondary greenhouse gas, hydrogen does not directly add to global warming by entrapping heat. Instead, it reacts with molecules in the atmosphere that are needed to remove the greenhouse gas CH4. CH4 is comparably short-lived in the atmosphere with approximately 10 years compared to CO2 which can last in the atmosphere for centuries. However, CH4 traps at least 100 times as much heat a

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4

Yang, Mingxi, John Prytherch, Elena Kozlova, Margaret J. Yelland, Deepulal Parenkat Mony, and Thomas G. Bell. "Comparison of two closed-path cavity-based spectrometers for measuring air–water CO<sub>2</sub> and CH<sub>4</sub> fluxes by eddy covariance." Atmospheric Measurement Techniques 9, no. 11 (2016): 5509–22. http://dx.doi.org/10.5194/amt-9-5509-2016.

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Abstract. In recent years several commercialised closed-path cavity-based spectroscopic instruments designed for eddy covariance flux measurements of carbon dioxide (CO2), methane (CH4), and water vapour (H2O) have become available. Here we compare the performance of two leading models – the Picarro G2311-f and the Los Gatos Research (LGR) Fast Greenhouse Gas Analyzer (FGGA) at a coastal site. Both instruments can compute dry mixing ratios of CO2 and CH4 based on concurrently measured H2O, temperature, and pressure. Additionally, we used a high throughput Nafion dryer to physically remove H2O

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5

Halley, Sleight, Kannan Ramaiyan, James Smith, et al. "Mixed Potential Electrochemical Sensors for Natural Gas Leak Detection – Field Testing of Portable Sensor Package." ECS Meeting Abstracts MA2023-01, no. 52 (2023): 2604. http://dx.doi.org/10.1149/ma2023-01522604mtgabs.

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According to the EPA, methane (CH4) emissions from oil and gas infrastructure accounted for 211 million metric tons of CO2 equivalent in 2020 [1]. Actual emissions may exceed this by a factor of three [2]. Current natural gas leak detection technologies largely consist of optical sensors such as IR spectrometers [3]. Optical sensors have high sensitivity, but the high cost and fragility of these sensors limit practical applications and continuous monitoring in the field. Mixed potential electrochemical sensors (MPES) are low cost, robust, selective and sensitive, making them a viable option fo

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6

Zellweger, Christoph, Lukas Emmenegger, Mohd Firdaus, et al. "Assessment of recent advances in measurement techniques for atmospheric carbon dioxide and methane observations." Atmospheric Measurement Techniques 9, no. 9 (2016): 4737–57. http://dx.doi.org/10.5194/amt-9-4737-2016.

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Abstract. Until recently, atmospheric carbon dioxide (CO2) and methane (CH4) measurements were made almost exclusively using nondispersive infrared (NDIR) absorption and gas chromatography with flame ionisation detection (GC/FID) techniques, respectively. Recently, commercially available instruments based on spectroscopic techniques such as cavity ring-down spectroscopy (CRDS), off-axis integrated cavity output spectroscopy (OA-ICOS) and Fourier transform infrared (FTIR) spectroscopy have become more widely available and affordable. This resulted in a widespread use of these techniques at many

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7

Zaini, Zaini, and Taffany Hudalil Alvy. "Design of Monitoring System for Hazardous Gas and Fire Detection In Building Based On Internet of Things." Andalas Journal of Electrical and Electronic Engineering Technology 2, no. 1 (2022): 13–20. http://dx.doi.org/10.25077/ajeeet.v2i1.20.

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Fires and gas leaks are events that still occur frequently. This incident is usually caused by various factors including leakage of LPG gas cylinders, cigarette butts that are disposed of carelessly, short circuits of electric current and so on. Generally, fires and gas leaks can only be detected if the fire has already grown or a lot of smoke comes out of the building. Therefore, a monitoring system for detecting dangerous gases and fires in buildings based on the Internet of Things was created that can monitor the condition of the building through a website as well as send notifications to t

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8

Dowd, Emily, Alistair J. Manning, Bryn Orth-Lashley, et al. "First validation of high-resolution satellite-derived methane emissions from an active gas leak in the UK." Atmospheric Measurement Techniques 17, no. 5 (2024): 1599–615. http://dx.doi.org/10.5194/amt-17-1599-2024.

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Abstract. Atmospheric methane (CH4) is the second-most-important anthropogenic greenhouse gas and has a 20-year global warming potential 82 times greater than carbon dioxide (CO2). Anthropogenic sources account for ∼ 60 % of global CH4 emissions, of which 20 % come from oil and gas exploration, production and distribution. High-resolution satellite-based imaging spectrometers are becoming important tools for detecting and monitoring CH4 point source emissions, aiding mitigation. However, validation of these satellite measurements, such as those from the commercial GHGSat satellite constellatio

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9

Bonne, Jean-Louis, Ludovic Donnat, Grégory Albora, et al. "A measurement system for CO₂ and CH₄ emissions quantification of industrial sites using a new in situ concentration sensor operated on board uncrewed aircraft vehicles." Atmospheric Measurement Techniques 17, no. 14 (2024): 4471–91. http://dx.doi.org/10.5194/amt-17-4471-2024.

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Abstract. We developed and tested a complete measurement system to quantify CO2 and CH4 emissions at the scale of an industrial site based on the innovative sensor Airborne Ultra-light Spectrometer for Environmental Application (AUSEA), operated on board uncrewed aircraft vehicles (UAVs). The AUSEA sensor is a new light-weight (1.4 kg) open-path laser absorption spectrometer simultaneously recording in situ CO2 and CH4 concentrations at high frequency (24 Hz in this study) with precisions of 10 ppb for CH4 and 1 ppm for CO2 (when averaged at 1 Hz). It is suitable for industrial operation at a

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10

Hermon, Dedi. "Impacts of land cover change on climate trend in Padang Indonesia." Indonesian Journal of Geography 46, no. 2 (2014): 138. http://dx.doi.org/10.22146/ijg.5783.

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ἀe purpose of this study was to analyze the trend of climate change through changes in the elements of Green House Gases (GHGs), includes the trend of CO2, N2O, and CH4. ἀe change of the extreme rainfall and temperature indices due to land cover change into developed area in Padang. IdentiḀcation and analysis trends of climate change and extreme climatic events were analyzed by using RclimDex the Expert Team for Climate Change Detection and Indices (ETCCDMI) technique. Where as the analysis and interpretation of land cover changes into developed area used Landsat TM 5 and Landsat 1985 7 ETM +

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