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Biogeosciences An interactive open-access journal of the European Geosciences Union
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Short summary
Using a simulation study and field data, we quantify the biases that can be introduced in fluxes measured by eddy covariance (EC) if the raw high-frequency data are affected by random and systematic timing misalignments. Our study was motivated by the increasingly widespread adoption of fully digital EC systems potentially subject to such timing errors. We found biases as large as 10 %. We further propose a test to evaluate EC data logging systems for their time synchronization capabilities.
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BG | Articles | Volume 15, issue 17
Biogeosciences, 15, 5473–5487, 2018
https://doi.org/10.5194/bg-15-5473-2018
Biogeosciences, 15, 5473–5487, 2018
https://doi.org/10.5194/bg-15-5473-2018

Research article 14 Sep 2018

Research article | 14 Sep 2018

Eddy covariance flux errors due to random and systematic timing errors during data acquisition

Gerardo Fratini et al.

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Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
ED: Reconsider after major revisions (29 Jun 2018) by Trevor Keenan
AR by Gerardo Fratini on behalf of the Authors (26 Jul 2018)  Author's response    Manuscript
ED: Publish as is (18 Aug 2018) by Trevor Keenan
Publications Copernicus
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Short summary
Using a simulation study and field data, we quantify the biases that can be introduced in fluxes measured by eddy covariance (EC) if the raw high-frequency data are affected by random and systematic timing misalignments. Our study was motivated by the increasingly widespread adoption of fully digital EC systems potentially subject to such timing errors. We found biases as large as 10 %. We further propose a test to evaluate EC data logging systems for their time synchronization capabilities.
Citation
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Final-revised paper
Preprint