Glaciations in north and South America from the miocene to the last glacial maximum comparisons, linkages and uncertainties /

Improved dating methods have increased our ability to more precisely determine the timing and durations of glaciations. Utilizing glacial and loess deposits, we have compared glaciations that occurred in North and South America in order to determine if events are synchronous or not, to explore forci...

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Bibliographic Details
Corporate Author: SpringerLink (Online service)
Other Authors: Rutter, Nat
Format: eBook
Language:English
Published: Dordrecht Springer Netherlands 2012.
Series:SpringerBriefs in Earth System Sciences,
Subjects:
Online Access:Click here to view the full text content
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245 0 0 |a Glaciations in north and South America from the miocene to the last glacial maximum  |b comparisons, linkages and uncertainties /  |c by Nat Rutter ...[et al.] 
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520 |a Improved dating methods have increased our ability to more precisely determine the timing and durations of glaciations. Utilizing glacial and loess deposits, we have compared glaciations that occurred in North and South America in order to determine if events are synchronous or not, to explore forcing mechanisms, and to compare glaciations with cold periods of the Marine Oxygen Isotope stages and the loess/paleosol records of China. Stratigraphic sections containing a variety of glacial deposits, some with interbedded volcanics, as well as loess deposits, were used in reconstructing the glacial history. The Late Pleistocene (Brunhes Chron) Last Glacial Maximum is recognized in  mountain and continental areas of North America but only in the mountains of South America. Commonly our comparisons indicate roughly synchronous glaciations on the two continents, whereas other glaciations are more elusive and difficult to compare. Although our comparisons are at low resolutions, the results suggest that Milankovitch forcing is most likely the dominant trigger for hemispheric glaciation modified by local factors. 
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