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Author: John H. Mercer
Publisher:
ISBN:
Category : Glaciers
Languages : en
Pages : 413
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Author: John H. Mercer
Publisher:
ISBN:
Category : Glaciers
Languages : en
Pages : 413
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Book Description
Author: Donald Buermann Lawrence
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 126
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Author: Christoph Schneider
Publisher: Frontiers Media SA
ISBN: 2889637581
Category :
Languages : en
Pages : 171
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Author: Gino Casassa
Publisher: Springer
ISBN: 9781461351740
Category : Science
Languages : en
Pages : 194
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Book Description
The majesty of the icefields is beyond description. He who has been fortunate to be there once, remains bound forever. To a theoretical physicist working on black holes the icefields produce a familiar vertigo, the instinctive certainty of being confronted with something so simple and beautifully extreme that it must be of importance. The meeting whose proceedings are contained in this volume was conducted onboard of a vessel that went to the icefields, and the participants could literally set foot on them. It was expected that, for those who had not been there before, this would constitute a ritual of initiation. And so it did. For this reason we like to refer to the meeting as an expedition because, although it did not have the hardship, it had the spirit. After this foundational expedition there have been two others, this time both with spirit and hardship, one from Chile and one from Argentina. At the moment of this writing, a fourth, full-fledged airborne expedition to the icefields is about to depart from Valdivia. Many of the people of many nations who were on board of the Aquiles will take part in it. We look forward to its results, and to an ongoing exciting scientific adventure. Claudio Teitelboim Director, Centro de Estudios Cientfficos Valdivia, September 2001 v ACKNOWLEDGMENTS This volume is the result of the effort and generosity of many people and institutions.
Author: John Bell Hatcher
Publisher:
ISBN:
Category : Patagonia (Argentina and Chile)
Languages : en
Pages : 836
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Author: Malyssa Kay Maurer
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Documenting past climate dynamics aids in our understanding of the climate system. In order to assess future climate change it is valuable to examine the connectivity of climatic phenomena between hemispheres. Although studies that estimate past climate fluctuations are common in the Northern Hemisphere, fewer well-constrained glacier chronologies exist in the Southern Hemisphere. The assessment of past glacier activity remains the most direct method of creating a climatic record for a region, and the comparison of these glacial chronologies tests the synchronicity of climatic change between regions. This study investigates inter-hemispheric synchronicity by developing a detailed glacier history in southern Patagonia for comparison to robust glacier chronologies from the northwestern North America. Five Neoglacial advances of Stoppani Glacier in the Cordillera Darwin of southern Patagonia broadly correspond to the Neoglacial activity documented in northwestern North America. This Stoppani Glacier chronology is based on radiocarbon-dated detrital and in situ plant material contained within the northeastern lateral moraine stratigraphy. The age range from dated plant material records the first Neoglacial expansion of Stoppani Glacier which, overlaps with the end of the 4.2 ka Advance' reported throughout northwestern North America. Stoppani Glacier advanced multiple times between 3500-1900 cal yr BP which overlaps with the 'Peyto-Tiedemann Advance' documented in northwestern North America. The lacustrine record from nearby Lago Roca also suggests that local sea level lowered during the 3500-1900 cal yr BP period, resulting in the isolation of the lake from the Beagle Channel ca. 2300 cal yr BP. Plant material from within till at Stoppani Glacier and lacustrine sediments from Lago Roca yield an age range for the last advance of glaciers in the Cordillera Darwin the range coincides with the end of the wide-spread Little Ice Age Advance' documented throughout northwestern North.
Author: Richard S. Williams (Jr.)
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 244
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Author: John H. Mercer
Publisher:
ISBN:
Category : Geology, Stratigraphic
Languages : en
Pages : 6
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Author: J. H. Mercer
Publisher:
ISBN:
Category : Glaciers
Languages : en
Pages : 230
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Book Description
Author: Aleksander Kosiba
Publisher:
ISBN:
Category : Botany
Languages : en
Pages : 450
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