Articles | Volume 10, issue 3
Atmos. Meas. Tech., 10, 1259–1267, 2017
https://doi.org/10.5194/amt-10-1259-2017
Atmos. Meas. Tech., 10, 1259–1267, 2017
https://doi.org/10.5194/amt-10-1259-2017

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 et al.

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Latest update: 07 Dec 2021
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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.