globalchange  > 过去全球变化的重建
DOI: 10.1016/j.palaeo.2016.04.040
论文题名:
Comment on “Geologic evidence for chaotic behavior of the planets and its constraints on the third-order eustatic sequences at the end of the Late Paleozoic Ice Age” by Fang, Q., Wu, H., Hinnov, L. A., Jing, X., Wang, X., & Jiang, Q. [Palaeogeography, Palaeoclimatology, Palaeoecology, Volume 440, 15 December 2015, 848–859 (2015)]
作者: Smith D.G.; Bailey R.J.; Vaughan S.
刊名: Palaeogeography, Palaeoclimatology, Palaeoecology
ISSN: 0031-0182
出版年: 2016
卷: 461
起始页码: 472
结束页码: 474
语种: 英语
英文关键词: Cyclostratigraphy ; False positives ; Periodogram ; Spectral analysis ; Statistical significance
英文摘要: Fang et al. (2015: Geologic evidence for chaotic behavior of the planets and its constraints on the third-order eustatic sequences at the end of the Late Paleozoic Ice Age) claim to have identified a comprehensive suite of orbital periodicities (Milankovitch cycles) in a Permian succession in southern China through the use of spectral analysis. We refute their claim on the grounds that their spectral analytic method – specifically, the estimation of significance thresholds – greatly overestimates the significance of the periodicities. We show that the same method, implemented in the same software package, yields ‘significant’ cycle periods in purely random, synthesised data. In an earlier paper, we warned that the cyclostratigraphic community is generating large numbers of similarly false claims of orbital periodicities in stratigraphic data by making the same mistakes as Fang et al. We urge greater awareness of this problem among editors, reviewers, readers and users of the cyclostratigraphic literature. Further, all cyclostratigraphic conclusions dependent on the results of this kind of spectral analysis, including but not restricted to astrochronological timescale calibrations, should be regarded with suspicion unless confirmed by more rigorous methods. © 2016 Elsevier B.V.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/68248
Appears in Collections:过去全球变化的重建

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作者单位: 15 Stratton Terrace, Truro, United Kingdom; 2 Eastfield Court, Southwell, United Kingdom; Department of Physics and Astronomy, University of Leicester, United Kingdom

Recommended Citation:
Smith D.G.,Bailey R.J.,Vaughan S.. Comment on “Geologic evidence for chaotic behavior of the planets and its constraints on the third-order eustatic sequences at the end of the Late Paleozoic Ice Age” by Fang, Q., Wu, H., Hinnov, L. A., Jing, X., Wang, X., & Jiang, Q. [Palaeogeography, Palaeoclimatology, Palaeoecology, Volume 440, 15 December 2015, 848–859 (2015)][J]. Palaeogeography, Palaeoclimatology, Palaeoecology,2016-01-01,461
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