A simple decomposition of European temperature variability capturing the 
variance from days to a decade

Meyer, Philipp G.; Kantz, Holger

doi:10.1007/s00382-019-04965-0

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A simple decomposition of European temperature variability capturing the variance from days to a decade

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Meyer, Philipp G.
Max Planck Institute for the Physics of Complex Systems, Max Planck Society;

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Kantz, Holger
Max Planck Institute for the Physics of Complex Systems, Max Planck Society;

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Citation

Meyer, P. G., & Kantz, H. (2019). A simple decomposition of European temperature variability capturing the variance from days to a decade. Climate Dynamics, 53(11), 6909-6917. doi:10.1007/s00382-019-04965-0.

Cite as: https://hdl.handle.net/21.11116/0000-0005-8FA8-D

Abstract

We analyze European temperature variability from station data with the method of detrended fluctuation analysis. This method is known to give a scaling exponent indicating long range correlations in time for temperature anomalies. However, by a more careful look at the fluctuation function we are able to explain the emergent scaling behaviour by short time relaxation, the yearly cycle and one additional process. It turns out that for many stations this interannual variability is an oscillatory mode with a period length of approximately 7-8 years, which is consistent with results of other methods. We discuss the spatial patterns in all parameters and validate the finding of the 7-8 year period by comparing stations with and without this mode.