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DOI10.1016/j.earscirev.2019.102965
The Cyclostratigraphy Intercomparison Project (CIP): consistency, merits and pitfalls
Sinnesael M.; De Vleeschouwer D.; Zeeden C.; Batenburg S.J.; Da Silva A.-C.; de Winter N.J.; Dinarès-Turell J.; Drury A.J.; Gambacorta G.; Hilgen F.J.; Hinnov L.A.; Hudson A.J.L.; Kemp D.B.; Lantink M.L.; Laurin J.; Li M.; Liebrand D.; Ma C.; Meyers S.R.; Monkenbusch J.; Montanari A.; Nohl T.; Pälike H.; Pas D.; Ruhl M.; Thibault N.; Vahlenkamp M.; Valero L.; Wouters S.; Wu H.; Claeys P.
发表日期2019
ISSN00128252
卷号199
英文摘要Cyclostratigraphy is an important tool for understanding astronomical climate forcing and reading geological time in sedimentary sequences, provided that an imprint of insolation variations caused by Earth's orbital eccentricity, obliquity and/or precession is preserved (Milankovitch forcing). Numerous stratigraphic and paleoclimate studies have applied cyclostratigraphy, but the robustness of the methodology and its dependence on the investigator have not been systematically evaluated. We developed the Cyclostratigraphy Intercomparison Project (CIP) to assess the robustness of cyclostratigraphic methods using an experimental design of three artificial cyclostratigraphic case studies with known input parameters. Each case study is designed to address specific challenges that are relevant to cyclostratigraphy. Case 1 represents an offshore research vessel environment, as only a drill-core photo and the approximate position of a late Miocene stage boundary are available for analysis. In Case 2, the Pleistocene proxy record displays clear nonlinear cyclical patterns and the interpretation is complicated by the presence of a hiatus. Case 3 represents a Late Devonian proxy record with a low signal-to-noise ratio with no specific theoretical astronomical solution available for this age. Each case was analyzed by a test group of 17-20 participants, with varying experience levels, methodological preferences and dedicated analysis time. During the CIP 2018 meeting in Brussels, Belgium, the ensuing analyses and discussion demonstrated that most participants did not arrive at a perfect solution, which may be partly explained by the limited amount of time spent on the exercises (∼4.5 hours per case). However, in all three cases, the median solution of all submitted analyses accurately approached the correct result and several participants obtained the exact correct answers. Interestingly, systematically better performances were obtained for cases that represented the data type and stratigraphic age that were closest to the individual participants’ experience. This experiment demonstrates that cyclostratigraphy is a powerful tool for deciphering time in sedimentary successions and, importantly, that it is a trainable skill. Finally, we emphasize the importance of an integrated stratigraphic approach and provide flexible guidelines on what good practices in cyclostratigraphy should include. Our case studies provide valuable insight into current common practices in cyclostratigraphy, their potential merits and pitfalls. Our work does not provide a quantitative measure of reliability and uncertainty of cyclostratigraphy, but rather constitutes a starting point for further discussions on how to move the maturing field of cyclostratigraphy forward. © 2019 The Authors
英文关键词astronomy; climate forcing; cyclostratigraphy; Devonian; experimental design; Milankovitch cycle; Miocene; paleoclimate; Pleistocene; sedimentary sequence; Belgium; Brussels [Belgium]
语种英语
来源期刊Earth Science Reviews
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/203556
作者单位Analytical, Environmental and Geo-Chemistry, Vrije Universiteit Brussel, Pleinlaan 2, Brussels, B-1050, Belgium; MARUM — Center for Marine Environmental Sciences, University of Bremen, Leobener Straße, Bremen, 28359, Germany; IMCCE, Observatoire de Paris, PSL Research University, CNRS, Sorbonne Universités, UPMC Univ. Paris 06, Univ. Lille, Paris, 75014, France; LIAG – Leibniz Institute for Applied Geophysics, Geozentrum Hannover, Stilleweg 2, Hannover, 30655, Germany; Géosciences Rennes, Université de Rennes 1, Campus de Beaulieu, Rennes, 35042, France; Pétrologie Sédimentaire, Liège University, B20, Allée du Six Août, 12, Quartier Agora, Sart Tilman, Liège, 4000, Belgium; Istituto Nazionale di Geofisica e Vulcanologia, Via di Vigna Murata 605, Rome, I-00143, Italy; Department of Earth Sciences, University College London, Gower Street, London, WC1E 6BT, United Kingdom; Dipartimento di Scienze della Terra “A. Desio”, Università degli Studi di Milano, Via Mangiagalli 34, Milan, 20133, Italy; Department of ...
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Sinnesael M.,De Vleeschouwer D.,Zeeden C.,et al. The Cyclostratigraphy Intercomparison Project (CIP): consistency, merits and pitfalls[J],2019,199.
APA Sinnesael M..,De Vleeschouwer D..,Zeeden C..,Batenburg S.J..,Da Silva A.-C..,...&Claeys P..(2019).The Cyclostratigraphy Intercomparison Project (CIP): consistency, merits and pitfalls.Earth Science Reviews,199.
MLA Sinnesael M.,et al."The Cyclostratigraphy Intercomparison Project (CIP): consistency, merits and pitfalls".Earth Science Reviews 199(2019).
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