Results 131 to 140 of about 538 (169)
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Filtering of Milankovitch Cycles by Earth's Geography
Quaternary Research, 1991AbstractEarth'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 +4 more
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Gondwana Research, 2012
article The mass extinction at the end of Permian was followed by a prolonged recovery process with multiple phases of devastation-restoration of marine ecosystems in Early Triassic. The time framework for the Early Triassic geological, biological and geochemical events is traditionally established by conodont biostratigra- phy, but the absolute ...
Tianshui Yang +2 more
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article The mass extinction at the end of Permian was followed by a prolonged recovery process with multiple phases of devastation-restoration of marine ecosystems in Early Triassic. The time framework for the Early Triassic geological, biological and geochemical events is traditionally established by conodont biostratigra- phy, but the absolute ...
Tianshui Yang +2 more
exaly +2 more sources
Milankovitch cycles in Neocene deep‐sea sediment
Paleoceanography, 1986Pelagic carbonate sediments from the world ocean basins commonly show cyclic variations in amount and/or degree of preservation of biogenic calcite, with periodicities of several tens to several hundreds of thousands of years. The direct causes of these cycles are fluctuations in noncarbonate dilution, carbonate production, carbonate dissolution, and ...
Walter E. Dean, James V. Gardner
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Milankovitch type cycles in the Lower Carboniferous of NW Ireland
Terra Nova, 1989ABSTRACTA short description of the Lower Carboniferous near Sligo (NW Ireland) is given. Limestones and mark in four measured sections in the Glencar Limestone were numerically coded as plus and minus one, respectively. Such sequences show good and persistent cyclicity with a basic wave length of 200 cm.
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Gender Stereotype and Spatial Reasoning: the Milankovitch Cycles
2017Stereotype threat, a phenomenon in which learners feel at risk of confirming negative stereotypes about their abilities, is often associated with spatial reasoning abilities in geoscience and has a disproportionately negative effect on women. This study examines how students’ growth or fixed mindsets mediate or amplify the effects of stereotype threat ...
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Milankovitch cycles, eighty years later
Proceedings of 11th International Conference of the Balkan Physical Union — PoS(BPU11), 2023openaire +1 more source
Milankovitch Cycles and Sequences: Two Different Stratigraphic Tools
1999With the introduction of sequence stratigraphy, the word cycle has again become a term which is frequently used. Cycles have been classified in a very arbitrary way into orders of different length and several different orders can occur together in the stratigraphic record.
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