Results 41 to 50 of about 733,308 (198)
Simulating late Pliocene northern hemisphere climate with the LLN 2-D model [PDF]
, 1998 Deep-sea sediment records suggest Northern Hemisphere glaciation intensified at approximately 2.75 Ma. In this paper we simulate the fluctuations of the late Pliocene Northern Hemisphere ice-sheets volume using the LLN 2-D model, forced by the ...
Li, XS +19 more
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Milankovitch cycles and carboniferous climate
Geophysical Research Letters, 1993 Cyclical Permo‐Carboniferous sea level fluctuations have long been linked to glacial‐interglacial fluctuations on Gondwanaland. Similar to the Pleistocene, such fluctuations may in turn have been driven by variations in orbital insolation forcing. Herein we report results from climate model simulations that examine the effect of Milankovitch insolation
Thomas J. Crowley +2 more
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Exo-Milankovitch Cycles. I. Orbits and Rotation States [PDF]
The Astronomical Journal, 2018 Abstract The obliquity of the Earth, which controls our seasons, varies by only ∼2.°5 over ∼40,000 years, and its eccentricity varies by only ∼0.05 over 100,000 years. Nonetheless, these small variations influence Earth’s ice ages. For exoplanets, however, variations can be significantly larger.
Deitrick, Russell +5 more
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Frontiers in Earth Science, 2022 Site U1501 of International Ocean Discovery Program (IODP) Expedition 368 locates on a broad regional basement high in the northern margin of the South China Sea (SCS).
Meinan Shi +19 more
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Evaluating alternatives to the Milankovitch theory [PDF]
, 2016 The physical process that causes cycles in Earth’s precession, obliquity, and eccentricity is well established, and researchers have detected and modeled the orbital cycles for millions of years into the past.
Borchardt, Glenn +2 more
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Milankovitch cycles in Banded Iron Formations: An early Paleoproterozoic window into Earth's climate and Solar System evolution [PDF]
, 2022 The astronomical theory of climate change resulting from quasi-periodic variations in the Earth’s orbit and spin axis (Milankovitch forcing) is now widely accepted for the Phanerozoic, the most recent ~0.5 billion years of Earth history.
Lantink, Margriet Louise
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A method for the division of the conglomerate depositional cycle under Milankovitch cycles [PDF]
Journal of Geophysics and Engineering, 2017 The conglomerate layer at the upper section of the 4th member of the Shahejie formation of the Yongan district at the Donying depression is a well-developed sedimentation of several periods. It lacks stable muddy layers and sophisticated classification of the sedimentation periods and the proportion of sedimentary layering in each period has long been ...
Panpan Chen +3 more
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Rivista Italiana di Paleontologia e Stratigrafia, 2016 Toarcian sections studied mainly in Europe have revealed the incidence of Milankovitch forcing with a well-developed, highly stable, 405 ky component of eccentricity, a short-term eccentricity of ~100 kyr, the cycle of obliquity ~36 kyr, and the ...
FRANCISCO J. RODRÍGUEZ-TOVAR +3 more
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Sea level changes versus hydrothermal diagenesis: Origin of Triassic carbonate platform cycles in the Dolomites, Italy: Discussion [PDF]
In his recent paper, Blendinger (2004) presents a new and unconventional hypothesis for the formation of the Triassic Latemàr carbonate cycles. He assigned the cycles to intermittent hydrothermal influence alternating with normal marine deposition ...
Peterhansel, A., Egenhoff, S. O.
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The Astronomical Pulse of Global Extinction Events
The Scientific World Journal, 2006 The linkage between astronomical cycles and the periodicity of mass extinctions is reviewed and discussed. In particular, the apparent 26 million year cycle of global extinctions may be related to the motion of the solar system around the galaxy ...
David F.V. Lewis, Jean-Lou C.M. Dorne
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