Atmospheric Measurement Techniques
Atmospheric Measurement Techniques
AMT
Articles | Volume 10, issue 3
Articles | Volume 10, issue 3
https://doi.org/10.5194/amt-10-1259-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/amt-10-1259-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 10, issue 3
Research article
 | 
30 Mar 2017
Research article |  | 30 Mar 2017

An eddy-covariance system with an innovative vortex intake for measuring carbon dioxide and water fluxes of ecosystems

Jingyong Ma, Tianshan Zha, Xin Jia, Steve Sargent, Rex Burgon, Charles P.-A. Bourque, Xinhua Zhou, Peng Liu, Yujie Bai, and Yajuan Wu

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Latest update: 18 Jan 2025
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Short summary
The vortex intake significantly reduced maintenance requirements and downtime for a closed-path eddy-covariance system compared to the original inline filter design. Vortex intake kept the sample cell windows cleaner, preserving the optical signal strength of CO2 longer. Its installation also avoided the need for an inline filter in the sample path, sustaining an acceptable sample cell differential pressure over a much longer period. There was no significant attenuation of high frequencies.
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