Irregular sampling is a common problem in palaeoclimate studies. We propose a method that provides regularly sampled time series and at the same time a difference filtering of the data. The differences between successive time instances are derived by a transformation costs procedure. A subsequent recurrence analysis is used to investigate regime transitions. This approach is applied on speleothem-based palaeoclimate proxy data from the Indonesian-Australian monsoon region. We can clearly identify Heinrich events in the palaeoclimate as characteristic changes in dynamics.
CITATION STYLE
Marwan, N., Eroglu, D., Ozken, I., Stemler, T., Wyrwoll, K. H., & Kurths, J. (2017). Regime Change Detection in Irregularly Sampled Time Series. In Advances in Nonlinear Geosciences (pp. 357–368). Springer International Publishing. https://doi.org/10.1007/978-3-319-58895-7_18
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