Articles | Volume 12, issue 9
Clim. Past, 12, 1765–1783, 2016
https://doi.org/10.5194/cp-12-1765-2016
Clim. Past, 12, 1765–1783, 2016
https://doi.org/10.5194/cp-12-1765-2016
Research article
02 Sep 2016
Research article | 02 Sep 2016

Testing the impact of stratigraphic uncertainty on spectral analyses of sedimentary series

Mathieu Martinez et al.

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Short summary
Identification of Milankovitch cycles within the sedimentary record depends on spectral analyses, but these can be biased because there are always slight uncertainties in the sample position within a sedimentary column. Here, we simulate uncertainties in the sample position and show that a tight control on the inter-sample distance together with a density of 6–12 samples per precession cycle are needed to accurately reconstruct the contribution of the orbital forcing on past climate changes.