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Relevant bibliographies by topics / Eddy covariance (EC)

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Academic literature on the topic 'Eddy covariance (EC)'

Author: Grafiati

Published: 2 June 2025

Last updated: 31 July 2025

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Journal articles on the topic "Eddy covariance (EC)"

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Eugster, W., and L. Merbold. "Eddy covariance for quantifying trace gas fluxes from soils." SOIL 1, no. 1 (2015): 187–205. http://dx.doi.org/10.5194/soil-1-187-2015.

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Abstract. Soils are highly complex physical and biological systems, and hence measuring soil gas exchange fluxes with high accuracy and adequate spatial representativity remains a challenge. A technique which has become increasingly popular is the eddy covariance (EC) method. This method takes advantage of the fact that surface fluxes are mixed into the near-surface atmosphere via turbulence. As a consequence, measurements with an EC system can be done at some distance above the surface, providing accurate and spatially integrated flux density estimates. In this paper we provide a basic overvi

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Eugster, W., and L. Merbold. "Eddy covariance for quantifying trace gas fluxes from soils." SOIL Discussions 1, no. 1 (2014): 541–83. http://dx.doi.org/10.5194/soild-1-541-2014.

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Abstract. Soils are highly complex physical and biological systems, and hence measuring soil gas exchange fluxes with high accuracy and adequate spatial representativity remains a challenge. A technique which has become increasingly popular is the eddy covariance (EC) method. This method takes advantage of the fact that surface fluxes are mixed into the near-surface atmosphere via turbulence. As a consequence, measurement with an EC system can be done at some distance above the surface, providing accurate and spatially integrated flux density estimates. In this paper we provide a basic overvie

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Turnipseed, A. A., S. N. Pressley, T. Karl, et al. "The use of disjunct eddy sampling methods for the determination of ecosystem level fluxes of trace gases." Atmospheric Chemistry and Physics Discussions 8, no. 4 (2008): 13413–51. http://dx.doi.org/10.5194/acpd-8-13413-2008.

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Abstract. The concept of disjunct eddy sampling (DES) for use in measuring ecosystem-level micrometeorological fluxes is re-examined. The governing equations are discussed as well as other practical considerations and guidelines concerning this sampling method as it is applied to either the disjunct eddy covariance (DEC) or disjunct eddy accumulation (DEA) techniques. A disjunct eddy sampling system was constructed that could either be combined with relatively slow sensors (response time of 2 to 40 s) to measure fluxes using DEC, or could also be used to accumulate samples in stable reservoirs

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Turnipseed, A. A., S. N. Pressley, T. Karl, et al. "The use of disjunct eddy sampling methods for the determination of ecosystem level fluxes of trace gases." Atmospheric Chemistry and Physics 9, no. 3 (2009): 981–94. http://dx.doi.org/10.5194/acp-9-981-2009.

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Abstract. The concept of disjunct eddy sampling (DES) for use in measuring ecosystem-level micrometeorological fluxes is re-examined. The governing equations are discussed as well as other practical considerations and guidelines concerning this sampling method as it is applied to either the disjunct eddy covariance (DEC) or disjunct eddy accumulation (DEA) techniques. A disjunct eddy sampling system was constructed that could either be combined with relatively slow sensors (response time of 2 to 40 s) to measure fluxes using DEC, or could also be used to accumulate samples in stable reservoirs

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van Ramshorst, Justus G. V., Alexander Knohl, José Ángel Callejas-Rodelas, et al. "Lower-cost eddy covariance for CO₂ and H₂O fluxes over grassland and agroforestry." Atmospheric Measurement Techniques 17, no. 20 (2024): 6047–71. http://dx.doi.org/10.5194/amt-17-6047-2024.

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Abstract. Eddy covariance (EC) measurements can provide direct and non-invasive ecosystem measurements of the exchange of energy, water (H2O) and carbon dioxide (CO2). However, conventional eddy covariance (CON-EC) setups (ultrasonic anemometer and infrared gas analyser) can be expensive, which recently led to the development of lower-cost eddy covariance (LC-EC) setups (University of Exeter). In the current study, we tested the performance of an LC-EC setup for CO2 and H2O flux measurements at an agroforestry and adjacent grassland site in a temperate ecosystem in northern Germany. The closed

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Markwitz, Christian, and Lukas Siebicke. "Low-cost eddy covariance: a case study of evapotranspiration over agroforestry in Germany." Atmospheric Measurement Techniques 12, no. 9 (2019): 4677–96. http://dx.doi.org/10.5194/amt-12-4677-2019.

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Abstract. Heterogeneous land surfaces require multiple measurement units for spatially adequate sampling and representative fluxes. The complexity and cost of traditional eddy covariance (EC) set-ups typically limits the feasible number of sampling units. Therefore, new low-cost eddy covariance systems provide ideal opportunities for spatially replicated sampling. The aim of this study was to test the performance of a compact, low-cost pressure, temperature and relative humidity sensor for the application of evapotranspiration measurements by eddy covariance over agroforestry and conventional

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Moorhead, Jerry, Gary Marek, Prasanna Gowda, et al. "Evaluation of Evapotranspiration from Eddy Covariance Using Large Weighing Lysimeters." Agronomy 9, no. 2 (2019): 99. http://dx.doi.org/10.3390/agronomy9020099.

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Evapotranspiration (ET) is an important component in the water budget and used extensively in water resources management such as water planning and irrigation scheduling. In semi-arid regions, irrigation is used to supplement limited and erratic growing season rainfall to meet crop water demand. Although lysimetery is considered the most accurate method for crop water use measurements, high-precision weighing lysimeters are expensive to build and operate. Alternatively, other measurement systems such as eddy covariance (EC) are being used to estimate crop water use. However, due to numerous ex

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Reimers, Clare E., H. Tuba Özkan-Haller, Andrea T. Albright, and Peter Berg. "Microelectrode Velocity Effects and Aquatic Eddy Covariance Measurements under Waves." Journal of Atmospheric and Oceanic Technology 33, no. 2 (2016): 263–82. http://dx.doi.org/10.1175/jtech-d-15-0041.1.

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AbstractInterest in validating the eddy covariance (EC) technique under wave-induced flows led to a series of experiments in a 104-m-long large wave flume (LWF) using an acoustic Doppler velocimeter (ADV) and two oxygen microelectrodes (tips ~2 mm apart) mounted on a sturdy tripod. Four additional ADVs positioned within the flume provided comparative near-bed velocity measurements during experiments with irregular waves over a sand bed. These measurements revealed that modifications of local turbulence by the tripod frame were insignificant. However, errors in velocity measurements were at tim

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Lan, Changxing, Matthias Mauder, Stavros Stagakis, et al. "Intercomparison of eddy-covariance software for urban tall-tower sites." Atmospheric Measurement Techniques 17, no. 9 (2024): 2649–69. http://dx.doi.org/10.5194/amt-17-2649-2024.

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Abstract. Long-term tall-tower eddy-covariance (EC) measurements have been recently established in three European pilot cities as part of the ICOS-Cities project. We conducted a comparison of EC software to ensure a reliable generation of interoperable flux estimates, which is the prerequisite for avoiding methodological biases and improving the comparability of the results. We analyzed datasets covering 5 months collected from EC tall-tower installations located in urbanized areas of Munich, Zurich, and Paris. Fluxes of sensible heat, latent heat, and CO2 were calculated using three software

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Buttar, Noman Ali, Hu Yongguang, Josef Tanny, et al. "Estimation of Sensible and Latent Heat Fluxes Using Flux Variance Method under Unstable Conditions: A Case Study of Tea Plants." Atmosphere 13, no. 10 (2022): 1545. http://dx.doi.org/10.3390/atmos13101545.

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Evapotranspiration is essential for precise irrigation and water resource management. Previous literature suggested that eddy covariance (EC) systems could directly measure evapotranspiration in agricultural fields. However, the eddy covariance method remains difficult for routine use, due to its high cost, operational complexity, and relatively multifaceted raw data processing. An alternative method is the flux variance (FV) method, which can estimate the sensible heat flux using high-frequency air temperature measurements by fine-wire thermocouples, at relatively low-cost and with less compl

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Dissertations / Theses on the topic "Eddy covariance (EC)"

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Jeng-Lin, Tsai. "Measurements of aerodynamic roughness and Bowen ratio using tethersonde and the eddy covariance system in urban, rice paddy and mixed areas." 2006. http://www.cetd.com.tw/ec/thesisdetail.aspx?etdun=U0005-2408200615440400.

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Book chapters on the topic "Eddy covariance (EC)"

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Coates, Trevor, Deli Chen, and Mei Bai. "Measuring methane emissions from livestock." In Reducing greenhouse gas emissions from livestock production. Burleigh Dodds Science Publishing, 2021. http://dx.doi.org/10.19103/as.2020.0077.03.

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This chapter looks at the key techniques used for measurement of CH4 and other gas emissions from livestock production, ranging from individual animal measurements to herd scale measurements for grazing animals and whole farm emissions such as feedlots. Individual animal measurement techniques discussed include whole-animal respiration chambers and head capture measurement. Herd scale measurements include micrometeorological methods and the eddy covariance (EC) technique.

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Conference papers on the topic "Eddy covariance (EC)"

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Al-Qasim, Abdulaziz S., Alia Alzayani, Abdulrahman Almuaibid, et al. "The intelligent Carbon Leakage Surveillance (iCLS) System." In ADIPEC. SPE, 2023. http://dx.doi.org/10.2118/216502-ms.

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Abstract Pressure to improve sustainability, particularly with regard to CO2 emissions, is mounting for the oil and gas sector. Many companies have been working extensively on developing technologies programs to decarbonize. One of the technologies implemented to reduce carbon emissions is enhanced oil recovery (EOR) using CO2. To ensure that the sequestered CO2 is not leaking, the area needs to be monitored for the release of CO2 within the wells. The iCLS deployment is based on eddy covariance technology which is a micrometeorological technique for direct measurements of gas transport betwee

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Belan, Boris, D. Davydov, E. Dyukarev, A. Plotnikov, and A. Vovonov. "STUDYING FOR GREENHOUSE GAS FLUXES FROM THE WETLAND ECOSYSTEMS BY APPLICATION OF AUTOMATED METHODS." In The XXXI International Symposium "Atmospheric and Ocean Optics. Atmospheric Physics". V.E. Zuev Institute of Atmospheric Optics, Siberian Branch of the Russian Academy of Sciences, 2025. https://doi.org/10.56820/conferencearticle_685d0a9c96ef66.06862259.

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The use of automated systems when studying greenhouse gas (GHG) fluxes allows accurate measurements at minimal disturbance of the soil surface to be carried out and high resolution datasets for extended periods of time to be obtained. Due to the above advantages, chamber measurements play an important role while establishing long-term observations. In last decade, the eddy covariance (EC) technique has become the standard method to estimate net carbon dioxide (CO2) exchange between the atmosphere and soil, plant organs or complete ecosystems. Parallel observations been carried out during the g

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Reports on the topic "Eddy covariance (EC)"

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Zhang, Caiyun, David Brodylo, Mizanur Rahman, Md Atiqur Rahman, Thomas Douglas, and Xavier Comas. Using an object-based machine learning ensemble approach to upscale evapotranspiration measured from eddy covariance towers in a subtropical wetland. Engineer Research and Development Center (U.S.), 2024. http://dx.doi.org/10.21079/11681/48056.

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Accurate prediction of evapotranspiration (ET) in wetlands is critical for understanding the coupling effects of water, carbon, and energy cycles in terrestrial ecosystems. Multiple years of eddy covariance (EC) tower ET measurements at five representative wetland ecosystems in the subtropical Big Cypress National Preserve (BCNP), Florida (USA) provide a unique opportunity to assess the performance of the Moderate Resolution Imaging Spectroradiometer (MODIS) ET operational product MOD16A2 and upscale tower measured ET to generate local/regional wetland ET maps. We developed an object-based mac

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Tanny, Josef, Gabriel Katul, Shabtai Cohen, and Meir Teitel. Micrometeorological methods for inferring whole canopy evapotranspiration in large agricultural structures: measurements and modeling. United States Department of Agriculture, 2015. http://dx.doi.org/10.32747/2015.7594402.bard.

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Original objectives and revisions The original objectives as stated in the approved proposal were: (1) To establish guidelines for the use of micrometeorological techniques as accurate, reliable and low-cost tools for continuous monitoring of whole canopy ET of common crops grown in large agricultural structures. (2) To adapt existing methods for protected cultivation environments. (3) To combine previously derived theoretical models of air flow and scalar fluxes in large agricultural structures (an outcome of our previous BARD project) with ET data derived from application of turbulent transp

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