Results 181 to 190 of about 3,442,186 (236)

Isotopic fingerprints of Milankovitch cycles in Pennsylvanian carbonate platform‐top deposits: the Valdorria record, Northern Spain

, 2016
Sedimentary cyclic sequences deposited during the Late Palaeozoic Ice Age are widespread. Glacio-eustatic control of the cyclic patterns is commonly accepted, and the durations of the cyclothems generally match the short- and long-eccentricity ...
Valentín Chesnel, O. Merino-Tomé, L. Fernández, E. Villa, E. Samankassou   +4 more
semanticscholar   +2 more sources

Milankovitch and sub‐Milankovitch forcing of the Oxfordian (Late Jurassic) Terres Noires Formation (SE France) and global implications

, 2010
High-resolution analysis (2277 samples) of magnetic susceptibility (MS) was performed on ∼700-m-thick Early–Middle Oxfordian marine marls of the Terres Noires Formation, SE France.
S. Boulila, B. Galbrun, L. Hinnov, P. Collin, J. Ogg, Dominique Fortwengler, Didier Marchand   +6 more
semanticscholar   +2 more sources

On the Structure and Origin of Major Glaciation Cycles .2. the 100,000-year Cycle

, 1993
Climate over the past million years has been dominated by glaciation cycles with periods near 23,000, 41,000, and 100,000 years. In a linear version of the Milankovitch theory, the two shorter cycles can be explained as responses to insolation cycles ...
J. Imbrie, A. Berger, E. Boyle, S. Clemens, A. Duffy, W. Howard, G. Kukla, J. Kutzbach, D. Martinson, A. McIntyre, A. Mix, B. Molfino, J. Morley, L. Peterson, N. Pisias, W. Prell, M. Raymo, N. Shackleton, J. Toggweiler   +18 more
semanticscholar   +2 more sources

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Correspondences among lacustrine fluctuations, climate changes and the Milankovitch cycles in the Paleogene through tracking onlap points and correlating palaeontology in Liaozhong Depression, Bohai Bay Basin, NE China

Geological Journal, 2020
The solar radiation or insolation at a specific locality on the Earth's surface is determined by the distance of this point from the sun and by the angle with which the radiation hits the earth's surface.
S. Xia, Changsong Lin, Xiaofeng Du, Donghui Jia, N. Ahmad, Zhenguo Zhang, Lian-feng Gao, Yi Zhu   +7 more
semanticscholar   +1 more source

Global correlation of Cenomanian (Upper Cretaceous) sequences: Evidence for Milankovitch control on sea level

, 2002
We have investigated the sequence stratigraphy of two widely separated marine Cenomanian successions in southeast India and northwest Europe, and used high-resolution ammonite biostratigraphy to demonstrate that sea-level changes are globally synchronous
A. Gale, J. Hardenbol, B. Hathway, W. Kennedy, J. Young, V. Phansalkar   +5 more
semanticscholar   +2 more sources

Filtering of Milankovitch Cycles by the Thermohaline Circulation

Journal of Climate, 1999
A low-order, basin-averaged, coupled atmosphere‐ocean paleoclimate model is developed and the results from a 3.2-Myr model paleointegration described. A three-basin version of the Wright‐Stocker ocean model is used to compute the thermohaline circulation component of the climate system, with a six-basin energy balance atmosphere coupled to the ocean ...
David Brickman, D. G. Wright, William Hyde   +2 more
openaire   +1 more source

An astronomically calibrated stratigraphy of the Mesoproterozoic Hongshuizhuang Formation, North China: Implications for pre-Phanerozoic changes in Milankovitch orbital parameters

, 2020
This study presents a cyclostratigraphic investigation of the Mesoproterozoic Hongshuizhuang formation (about 1.45 Ga) in North China. High-resolution, continuous magnetic susceptibility and X-ray fluorescence elemental data were obtained from the YuanJi-
Dawei Cheng, Shuichang Zhang, Zhijie Zhang, Chuanming Zhou, Huajian Wang, Xuanjun Yuan, Xingyu Chen   +6 more
semanticscholar   +1 more source

Filtering of Milankovitch Cycles by Earth's Geography

Quaternary Research, 1991
AbstractEarth's land-sea distribution modifies the temperature response to orbitally induced perturbations of the seasonal insolation. We examine this modification in the frequency domain by generating 800,000-yr time series of maximum summer temperature in selected regions with a linear, two-dimensional, seasonal energy balance climate model. Previous
David A. Short, John G. Mengel, Thomas J. Crowley, William T. Hyde, Gerald R. North   +4 more
openaire   +1 more source

Modeling paleogeographic scenarios of the last glacial cycle as a base for source-to-sink studies: An example from the northwestern shelf of the South China Sea

, 2020
Sea-level (SL) data from the Last Glacial Cycle (LGC) have been superimposed on to digital elevation models of the South China Sea (SCS) and adjacent areas, to generate regional paleogeographic scenarios related to 4th- to 5th-order Milankovitch climate ...
Ping Xiong, Joanna Dudzinska-Nowak, J. Harff, Xinong Xie, Wenyan Zhang, Hongjun Chen, Jiang Tao, Hui Chen, Jakub Miluch, P. Feldens, Łukasz Maciąg, A. Osadczuk, Qicheng Meng, E. Zorita   +13 more
semanticscholar   +1 more source

Cyclostratigraphic and δ13C record of the Lower Cretaceous Adriatic Platform, Croatia: Assessment of Milankovitch-forcing

Sedimentary Geology, 2018
The 700-m-thick Hauterivian to Albian section from the interior of the large, Adriatic Platform is exposed on Mljet and Korcula islands, Croatia. The cyclic platform consists of meter-scale parasequences, bundled into parasequence sets, superbundles and ...
A. Husinec, J. Read
semanticscholar   +1 more source