Articles | Volume 14, issue 11
Atmos. Meas. Tech., 14, 7291–7296, 2021
https://doi.org/10.5194/amt-14-7291-2021
Atmos. Meas. Tech., 14, 7291–7296, 2021
https://doi.org/10.5194/amt-14-7291-2021

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 et al.

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.