Recurrence analysis of Eddy covariance fluxes

Flach, Milan; Lange, Holger; Foken, Thomas; Hauhs, Michael

doi:10.1007/978-3-319-29922-8_16

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Recurrence analysis of Eddy covariance fluxes

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Flach, Milan
Department Biogeochemical Integration, Dr. M. Reichstein, Max Planck Institute for Biogeochemistry , Max Planck Society;

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Citation

Flach, M., Lange, H., Foken, T., & Hauhs, M. (2016). Recurrence analysis of Eddy covariance fluxes. In C. L. Webber Jr., C. Ioana, & N. Marwan (Eds.), Recurrence Plots and Their Quantifications: Expanding Horizons (1 st, pp. 301-319). Switzerland: Springer International Publishing. doi:10.1007/978-3-319-29922-8_16.

Cite as: https://hdl.handle.net/11858/00-001M-0000-002A-6321-2

Abstract

Measuring energy and matter fluxes between the atmosphere and vegetation using the Eddy Covariance (EC) technique is the state-of-the-art method to quantify carbon exchange between terrestrial ecosystems and their surrounding. The EC equipment is usually mounted onto a flux tower reaching higher than the local canopy. Today, more than 600 flux towers are in operation worldwide. The methodological requirements lead to high sampling frequency (20 Hz) and thus to the production of very long time series. These are related to temperature, wind components, water vapour, heat and gas exchange, and others. In this chapter, the potential of Recurrence Analysis (RA) to investigate the dynamics of this atmosphere-vegetation boundary system is elucidated. In particular, the effect of temporal resolution, the identification of periods particular suitable for reliable EC flux calculations, and the detection of transitions between dynamical regimes will be highlighted.