Atmospheric Measurement Techniques
Atmospheric Measurement Techniques
AMT
Articles | Volume 14, issue 11
Articles | Volume 14, issue 11
https://doi.org/10.5194/amt-14-7291-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/amt-14-7291-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 14, issue 11
Research article
 | 
19 Nov 2021
Research article |  | 19 Nov 2021

Importance of the Webb, Pearman, and Leuning (WPL) correction for the measurement of small CO2 fluxes

Katharina Jentzsch, Julia Boike, and Thomas Foken

Supplement

https://doi.org/10.5194/amt-14-7291-2021-supplement

Data sets

FLUXNET database Julia Boike http://www. europe-fluxdata.eu

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Short summary
Very small CO2 fluxes are measured at night in Arctic regions. If the sensible heat flux is not close to zero under these conditions, the WPL correction will take values on the order of the flux. A special quality control is proposed for these cases.
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