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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Cited articles

Bosmans, J. H. C., Hilgen, F. J., Tuenter, E., and Lourens, L. J.: Obliquity forcing of low-latitude climate, Clim. Past, 11, 1335–1346, https://doi.org/10.5194/cp-11-1335-2015, 2015.
Boulila, S., Charbonnier, G., Galbrun, B., and Gardin, S.: Climatic precession is the main driver of Early Cretaceous sedimentation in the Vocontian Basin (France): Evidence from the Valanginian Orpierre succession, Sediment. Geol., 324, 1–11, 2015.
Bulot, L. G., Thieuloy, J. P., Eric, B., and Klein, J.: Le cadre stratigraphique du Valanginien supérieur et de l'Hauterivien du Sud-Est de la France: définition des biochronozones et caractérisation de nouveaux biohorizons, Géologie Alpine, 68, 13–56, 1992.
Bunn, A. G.: A dendrochronology program library in R (dplR), Dendrochronologia, 26, 115–124, https://doi.org/10.1016/j.dendro.2008.01.002, 2008.
Bunn, A. G.: Statistical and visual crossdating in R using the dplR library, Dendrochronologia, 28, 251–258, https://doi.org/10.1016/j.dendro.2009.12.001, 2010.
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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.