Results 171 to 180 of about 824 (202)

Deep-sea hiatus record reveals orbital pacing by 2.4 Myr eccentricity grand cycles. [PDF]

Nat Commun
Dutkiewicz A, Boulila S, Dietmar Müller R.   +2 more
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Cyclostratigraphy at a tipping point

Geology Today, 2023
There are key patterns of variation in the (litho‐) stratigraphical record, which, with advances in computing technology in recent decades, have become amenable to objective numerical analysis. This research has chiefly focused on the search for spatially regular cycles in the sedimentary rock record, since there are theoretical grounds for believing ...
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Cyclostratigraphy and Astrochronology

2012
The Milankovitch theory that quasi-periodic oscillations in the Earth-Sun position have induced significant 104-106 year variations in the Earth’s stratigraphic record of climate is widely acknowledged. This chapter summarizes the Earth’s astronomical parameters, the nature of astronomically forced solar radiation, fossil astronomical signals in the ...
Hinnov, L.A., Hilgen, F.J.
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CYCLOSTRATIGRAPHY: APPROACHES AND CASE HISTORIES

2004
This volume is derived from an SEPM international workshop entitled Multidisciplinary Approach to Cyclostratigraphy, organized by the editors in May 2001 and held in Sorrento (Naples, Italy). In the Introduction we offer a brief history of how concepts of orbital cyclicity and its effects on the Earth evolved, an appraisal of the present state of ...
D'ARGENIO, BRUNO, FERRERI, VITTORIA, FISHER A. G., PREMOLI SILVA I., WEISSERT H.   +4 more
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Cyclostratigraphy, Quo Vadis?

Geological Society, London, Special Publications, 1995
Abstract Climatic oscillations forced by orbital variations left their imprint not only on Pleistocene ice regimes, as postulated by Croll (1875, Climate and Time in their Geological Relations , Appleton, New York) and by Milankovitch (1941, Belgrade, Serbian Academy of Science ,
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Soft computing methodologies for spectral analysis in cyclostratigraphy

Computers & Geosciences, 2001
Abstract In this paper we present some soft computing methodologies for time-series analysis applied to cyclostratigraphy. An application to some stratigraphic signals to detect Earth orbital (Milankovic’) periodicities which are expected to be recorded in Cretaceous shallow water carbonate sequences outcropping in Southern Apennines (Italy), is ...
TAGLIAFERRI, Roberto, N. Pelosi, A. Ciaramella, G. Longo, M. Milano, BARONE, Fabrizio   +5 more
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Mediterranean contributions to cyclostratigraphy and astrochronology

Sedimentology, 2008
AbstractIn 1895, G.K. Gilbert suggested that rhythmical repetition of patterns in the sequences of strata correspond to orbital variations and could provide a chronology for Earth history. This suggestion remained a heuristic hypothesis in need of testing; in this, the Mediterranean region latterly played a crucial role.
Fischer, A.G., Hilgen, F.J., Garrison, R.E.   +2 more
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Time-Series Analysis and Cyclostratigraphy

2003
Increasingly environmental scientists, palaeoceanographers and geologists are collecting quantitative records of environmental changes (time-series) from sediments, ice cores, cave calcite, corals and trees. This book explains how to analyse these records, using straightforward explanations and diagrams rather than formal mathematical derivations.
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Cyclostratigraphy and the Astronomical Time Scale

Stratigraphy, 2007
An important innovation in the International Geologic Time Scale 2004 is the use of astronomically forced stratigraphy, or cyclostratigraphy, to define geologic time over 0 to 23.03 Ma, much of it at an unprecedented resolution of 0.02 myr. In addition, ‘floating’ astronomical time scales with 0.10 to 0.40 myr resolution are defined for entire epochs ...
Linda A. Hinnov, James G. Ogg
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The Cyclostratigraphy Intercomparison Project (CIP): consistency, merits and pitfalls of cyclostratigraphy

2019
Cyclostratigraphy is an important tool for understanding astronomical climate forcing and reading geological time in sedimentary sequences, provided that an imprint of insolation from Earth’s orbital eccentricity, obliquity and/or precession is preserved (Milankovitch forcing).
Sinnesael, Matthias, De Vleeschouwer, David, Zeeden, Christian, Claeys, Philippe, Participants, CIP   +4 more
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