Articles | Volume 10, issue 1
https://doi.org/10.5194/essd-10-139-2018
https://doi.org/10.5194/essd-10-139-2018
24 Jan 2018
 | 24 Jan 2018

Speleothem stable isotope records for east-central Europe: resampling sedimentary proxy records to obtain evenly spaced time series with spectral guidance

István Gábor Hatvani, Zoltán Kern, Szabolcs Leél-Őssy, and Attila Demény

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Cited articles

Andreo, B., Jiménez, P., Durán, J. J., Carrasco, F., Vadillo, I., and Mangin, A.: Climatic and hydrological variations during the last 117–166 years in the south of the Iberian Peninsula, from spectral and correlation analyses and continuous wavelet analyses, J. Hydrol., 324, 24–39, https://doi.org/10.1016/j.jhydrol.2005.09.010, 2006. 
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Björg Ólafsdóttir, K., Schulz, M., and Mudelsee, M.: REDFIT-X: Cross-spectral analysis of unevenly spaced paleoclimate time series, Comput. Geosci., 91, 11–18, https://doi.org/10.1016/j.cageo.2016.03.001, 2016. 
Bottyán, E., Czuppon, G., Weidinger, T., Haszpra, L., and Kármán, K.: Moisture source diagnostics and isotope characteristics for precipitation in east Hungary: implications for their relationship, Hydrolog. Sci. J., 62, 2049–2060, https://doi.org/10.1080/02626667.2017.1358450, 2017. 
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Short summary
Evenly spaced carbon and oxygen stable isotope records were produced from central European stalagmites. To mitigate the potential bias of interpolation, the variance spectra were carefully evaluated. The derived data are ready to use with conventional uni- and multivariate statistics, which are usually not prepared to handle the general characteristic of sedimentary paleoclimate records derived from geological sequences unevenly sampled in time.