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dc.contributor.author
Van Wyk de Vries, Maximillian
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Ito, Emi
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Shapley, Mark
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Brignone, Guido
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Romero, Matias
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Wickert, Andrew D.
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Miller, Louis H.
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MacGregor, Kelly R.
dc.date.available
2023-10-30T14:13:06Z
dc.date.issued
2022-03
dc.identifier.citation
Van Wyk de Vries, Maximillian; Ito, Emi; Shapley, Mark; Brignone, Guido; Romero, Matias; et al.; Physical Limnology and Sediment Dynamics of Lago Argentino, the World's Largest Ice-Contact Lake; John Wiley & Sons; Journal of Geophysical Research: Earth Surface; 127; 3; 3-2022; 1-22
dc.identifier.issn
2169-9003
dc.identifier.uri
http://hdl.handle.net/11336/216384
dc.description.abstract
Proglacial lakes, whose numbers have been growing around the world, may drive accelerated glacier retreat and provide valuable records of past glacier and climatic changes. Despite their importance, few studies have investigated the sedimentary properties and processes acting within large proglacial lakes. Lago Argentino (LArg) is a 1,500 km2 ice-contact lake on the eastern flank of the Southern Patagonian Icefield. Here, we describe the results from a detailed analysis of 47 sediment cores obtained throughout this lake basin, supplemented with remotely sensed data. We show that: (a) LArg exhibits a seasonal variation in sediment properties (varves); (b) varve formation results from three distinct processes, driven by seasonal changes in glacial sediment input, seasonal changes in fluvial sediment input, and seasonal variations in lake mixing; and (c) distance from glacier calving fronts provides the first-order control on sediment grain size and accumulation rate. Our findings highlight the exceptional preservation of annual laminations within proglacial lakes, their potential for reconstructing past glacier changes, and their relevance for forecasting future glacier–lake interactions.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
John Wiley & Sons
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by/2.5/ar/
dc.subject
GLACIER–LAKE INTERACTION
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LAKE CORE
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LIMNOLOGY
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PROGLACIAL LAKE
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SEDIMENTOLOGY
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VARVES
dc.subject.classification
Geología
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dc.subject.classification
Ciencias de la Tierra y relacionadas con el Medio Ambiente
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Physical Limnology and Sediment Dynamics of Lago Argentino, the World's Largest Ice-Contact Lake
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2023-10-26T15:17:13Z
dc.identifier.eissn
2169-9011
dc.journal.volume
127
dc.journal.number
3
dc.journal.pagination
1-22
dc.journal.pais
Estados Unidos
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dc.description.fil
Fil: Van Wyk de Vries, Maximillian. University of Minnesota; Estados Unidos
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Fil: Ito, Emi. University of Minnesota; Estados Unidos
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Fil: Shapley, Mark. University of Minnesota; Estados Unidos
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Fil: Brignone, Guido. Universidad Nacional de Córdoba; Argentina
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Fil: Romero, Matias. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Centro de Investigaciones en Ciencias de la Tierra. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas Físicas y Naturales. Centro de Investigaciones en Ciencias de la Tierra; Argentina
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Fil: Wickert, Andrew D.. German Research Centre for Geosciences; Alemania. University of Minnesota; Estados Unidos
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Fil: Miller, Louis H.. Macalester College; Estados Unidos
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Fil: MacGregor, Kelly R.. Macalester College; Estados Unidos
dc.journal.title
Journal of Geophysical Research: Earth Surface
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1029/2022JF006598
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