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25 October 1999 Eddy correlation measurements of methane fluxes from Italian rice-paddy fields
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A fast diode laser sensor has been applied for micrometeorological flux measurement of methane emissions from rice paddy fields in order to assess the quality of data on methane fluxes and allow a comparison with simultaneously recorded data provided by the closed chamber method. Systematic differences between chamber and the eddy correlation technique have been found as closed chamber measurements report about 70% higher emissions than eddy correlation measurements. This demonstrates that diode laser spectroscopy is a valuable tool for quality assurance in atmospheric research.
© (1999) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Peter W. Werle "Eddy correlation measurements of methane fluxes from Italian rice-paddy fields", Proc. SPIE 3758, Application of Tunable Diode and Other Infrared Sources for Atmospheric Studies and Industrial Processing Monitoring II, (25 October 1999);

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