Articles | Volume 9, issue 10
Atmos. Meas. Tech., 9, 5163–5181, 2016
https://doi.org/10.5194/amt-9-5163-2016
Atmos. Meas. Tech., 9, 5163–5181, 2016
https://doi.org/10.5194/amt-9-5163-2016

Research article 21 Oct 2016

Research article | 21 Oct 2016

Random uncertainties of flux measurements by the eddy covariance technique

Üllar Rannik et al.

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Short summary
We review available methods for the random error estimation of turbulent fluxes that are widely used by the flux community. Flux errors are evaluated theoretically as well as via numerical calculations by using measured and simulated records. We recommend two flux random errors with clear physical meaning: the total error resulting from stochastic nature of turbulence, well approximated by the method of Finkelstein and Sims (2001), and the error of the flux due to the instrumental noise.