Articles | Volume 18, issue 18
Biogeosciences, 18, 5097–5115, 2021
https://doi.org/10.5194/bg-18-5097-2021
Biogeosciences, 18, 5097–5115, 2021
https://doi.org/10.5194/bg-18-5097-2021
Research article
16 Sep 2021
Research article | 16 Sep 2021

Choosing an optimal β factor for relaxed eddy accumulation applications across vegetated and non-vegetated surfaces

Teresa Vogl et al.

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Cited articles

Ammann, C. and Meixner, F. X.: Stability dependence of the relaxed eddy accumulation coefficient for various scalar quantities, J. Geophys. Res., 107, D84071, https://doi.org/10.1029/2001JD000649, 2002. a, b, c
Andreas, E. L., Hill, R. J., Gosz, J. R., Moore, D. I., Otto, W. D., and Sarma, A. D.: Stability Dependence of the Eddy-Accumulation Coefficients for Momentum and Scalars, Bound.-Lay. Meteorol., 86, 409–420, https://doi.org/10.1023/A:1000625502550, 1998. a
Arnts, R. R., Mowry, F. L., and Hampton, G. A.: A high-frequency response relaxed eddy accumulation flux measurement system for sampling short-lived biogenic volatile organic compounds, J. Geophys. Res.-Atmos., 118, 4860–4873, https://doi.org/10.1002/jgrd.50215, 2013. a
Baker, J. M.: Conditional sampling revisited, Agr. Forest Meteorol., 104, 59–65, https://doi.org/10.1016/S0168-1923(00)00147-7, 2000. a, b, c, d, e, f
Baker, J. M., Norman, J. M., and Bland, W. L.: Field-scale application of flux Measurement by conditional sampling, Agr. Forest Meteorol., 62, 31–52, https://doi.org/10.1016/0168-1923(92)90004-N, 1992. a, b, c
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The relaxed eddy accumulation technique is a method used for measuring fluxes of chemical species in the atmosphere. It relies on a proportionality factor, β, which can be determined using different methods. Also, different techniques for sampling can be used by only drawing air into the measurement system when vertical wind velocity exceeds a certain threshold. We compare different ways to obtain β and different threshold techniques to direct flux measurements for three different sites.
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