Deposition of the 2011-2012 Cordõn Caulle tephra (Chile, 40S) in lake sediments: Implications for tephrochronology and volcanology
- Autores
- Bertrand, Sébastien; Daga, Romina Betiana; Bedert, Robin; Fontijn, Karen
- Año de publicación
- 2014
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- Tephras preserved in lake sediments are commonly used to synchronize sedimentary archives of climate and environmental change and to correlate them with terrestrial environments. They also provide opportunities to reconstruct volcanic explosive activity, e.g., eruption frequency and tephra dispersal. Although sedimentary processes may affect the record of tephras in lakes, lake sediments are generally considered as one of the best archives of tephra stratigraphy. The 2011–2012 eruption of Cordón Caulle volcano (Chile, 40°S) offered an ideal opportunity to study the processes affecting tephra deposition in lakes. Although the prevailing westerlies transported the erupted pyroclastic material away from nearby Puyehue Lake, the tephra was identified within this relatively large lake with a thickness ranging from 1 to >10 cm. This is in contrast with smaller lakes, where tephra thickness was in agreement with ashfall distribution maps. Geomorphological observations and sedimentological analyses provide evidence that the tephra deposited in Puyehue Lake entirely consists of material reworked from the upper watershed, transported by rivers, and distributed by lake currents according to particle size and density. Our results have important implications for tephrochronology and volcanology. They suggest that (1) lakes do not act as passive tephra traps; (2) lakes with large watersheds record more eruptions than smaller lakes, which only register direct ashfalls, affecting conclusions regarding the recurrence of volcanic eruptions; and (3) using lakes with large watersheds for isopach mapping systematically leads to an overestimation of erupted tephra volumes. Smaller lakes with limited drainage basins are generally better suited for volcanological studies.
Fil: Bertrand, Sébastien. University of Ghent; Bélgica
Fil: Daga, Romina Betiana. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte; Argentina. Comisión Nacional de Energía Atómica. Gerencia del Área de Energía Nuclear. Unidad de Actividad de Ingeniería Nuclear. Laboratorio de Análisis por Activación Neutrónica; Argentina
Fil: Bedert, Robin. University of Ghent; Bélgica
Fil: Fontijn, Karen. University of Ghent; Bélgica. University of Oxford; Reino Unido - Materia
-
VOLCANIC ASHES
PUMICE
LAKE CURRENTS
SEDIMENT TRANSPORT
PUYEHUE LAKE - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
- Repositorio
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/180546
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CONICET Digital (CONICET) |
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Deposition of the 2011-2012 Cordõn Caulle tephra (Chile, 40S) in lake sediments: Implications for tephrochronology and volcanologyBertrand, SébastienDaga, Romina BetianaBedert, RobinFontijn, KarenVOLCANIC ASHESPUMICELAKE CURRENTSSEDIMENT TRANSPORTPUYEHUE LAKEhttps://purl.org/becyt/ford/1.5https://purl.org/becyt/ford/1Tephras preserved in lake sediments are commonly used to synchronize sedimentary archives of climate and environmental change and to correlate them with terrestrial environments. They also provide opportunities to reconstruct volcanic explosive activity, e.g., eruption frequency and tephra dispersal. Although sedimentary processes may affect the record of tephras in lakes, lake sediments are generally considered as one of the best archives of tephra stratigraphy. The 2011–2012 eruption of Cordón Caulle volcano (Chile, 40°S) offered an ideal opportunity to study the processes affecting tephra deposition in lakes. Although the prevailing westerlies transported the erupted pyroclastic material away from nearby Puyehue Lake, the tephra was identified within this relatively large lake with a thickness ranging from 1 to >10 cm. This is in contrast with smaller lakes, where tephra thickness was in agreement with ashfall distribution maps. Geomorphological observations and sedimentological analyses provide evidence that the tephra deposited in Puyehue Lake entirely consists of material reworked from the upper watershed, transported by rivers, and distributed by lake currents according to particle size and density. Our results have important implications for tephrochronology and volcanology. They suggest that (1) lakes do not act as passive tephra traps; (2) lakes with large watersheds record more eruptions than smaller lakes, which only register direct ashfalls, affecting conclusions regarding the recurrence of volcanic eruptions; and (3) using lakes with large watersheds for isopach mapping systematically leads to an overestimation of erupted tephra volumes. Smaller lakes with limited drainage basins are generally better suited for volcanological studies.Fil: Bertrand, Sébastien. University of Ghent; BélgicaFil: Daga, Romina Betiana. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte; Argentina. Comisión Nacional de Energía Atómica. Gerencia del Área de Energía Nuclear. Unidad de Actividad de Ingeniería Nuclear. Laboratorio de Análisis por Activación Neutrónica; ArgentinaFil: Bedert, Robin. University of Ghent; BélgicaFil: Fontijn, Karen. University of Ghent; Bélgica. University of Oxford; Reino UnidoWiley Blackwell Publishing, Inc2014-12info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/180546Bertrand, Sébastien; Daga, Romina Betiana; Bedert, Robin; Fontijn, Karen; Deposition of the 2011-2012 Cordõn Caulle tephra (Chile, 40S) in lake sediments: Implications for tephrochronology and volcanology; Wiley Blackwell Publishing, Inc; Journal of Geophysical Research; 119; 12; 12-2014; 2555-25730148-02272169-9011CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.1002/2014JF003321info:eu-repo/semantics/altIdentifier/url/https://agupubs.onlinelibrary.wiley.com/doi/full/10.1002/2014JF003321info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T10:00:17Zoai:ri.conicet.gov.ar:11336/180546instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-29 10:00:18.168CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
Deposition of the 2011-2012 Cordõn Caulle tephra (Chile, 40S) in lake sediments: Implications for tephrochronology and volcanology |
title |
Deposition of the 2011-2012 Cordõn Caulle tephra (Chile, 40S) in lake sediments: Implications for tephrochronology and volcanology |
spellingShingle |
Deposition of the 2011-2012 Cordõn Caulle tephra (Chile, 40S) in lake sediments: Implications for tephrochronology and volcanology Bertrand, Sébastien VOLCANIC ASHES PUMICE LAKE CURRENTS SEDIMENT TRANSPORT PUYEHUE LAKE |
title_short |
Deposition of the 2011-2012 Cordõn Caulle tephra (Chile, 40S) in lake sediments: Implications for tephrochronology and volcanology |
title_full |
Deposition of the 2011-2012 Cordõn Caulle tephra (Chile, 40S) in lake sediments: Implications for tephrochronology and volcanology |
title_fullStr |
Deposition of the 2011-2012 Cordõn Caulle tephra (Chile, 40S) in lake sediments: Implications for tephrochronology and volcanology |
title_full_unstemmed |
Deposition of the 2011-2012 Cordõn Caulle tephra (Chile, 40S) in lake sediments: Implications for tephrochronology and volcanology |
title_sort |
Deposition of the 2011-2012 Cordõn Caulle tephra (Chile, 40S) in lake sediments: Implications for tephrochronology and volcanology |
dc.creator.none.fl_str_mv |
Bertrand, Sébastien Daga, Romina Betiana Bedert, Robin Fontijn, Karen |
author |
Bertrand, Sébastien |
author_facet |
Bertrand, Sébastien Daga, Romina Betiana Bedert, Robin Fontijn, Karen |
author_role |
author |
author2 |
Daga, Romina Betiana Bedert, Robin Fontijn, Karen |
author2_role |
author author author |
dc.subject.none.fl_str_mv |
VOLCANIC ASHES PUMICE LAKE CURRENTS SEDIMENT TRANSPORT PUYEHUE LAKE |
topic |
VOLCANIC ASHES PUMICE LAKE CURRENTS SEDIMENT TRANSPORT PUYEHUE LAKE |
purl_subject.fl_str_mv |
https://purl.org/becyt/ford/1.5 https://purl.org/becyt/ford/1 |
dc.description.none.fl_txt_mv |
Tephras preserved in lake sediments are commonly used to synchronize sedimentary archives of climate and environmental change and to correlate them with terrestrial environments. They also provide opportunities to reconstruct volcanic explosive activity, e.g., eruption frequency and tephra dispersal. Although sedimentary processes may affect the record of tephras in lakes, lake sediments are generally considered as one of the best archives of tephra stratigraphy. The 2011–2012 eruption of Cordón Caulle volcano (Chile, 40°S) offered an ideal opportunity to study the processes affecting tephra deposition in lakes. Although the prevailing westerlies transported the erupted pyroclastic material away from nearby Puyehue Lake, the tephra was identified within this relatively large lake with a thickness ranging from 1 to >10 cm. This is in contrast with smaller lakes, where tephra thickness was in agreement with ashfall distribution maps. Geomorphological observations and sedimentological analyses provide evidence that the tephra deposited in Puyehue Lake entirely consists of material reworked from the upper watershed, transported by rivers, and distributed by lake currents according to particle size and density. Our results have important implications for tephrochronology and volcanology. They suggest that (1) lakes do not act as passive tephra traps; (2) lakes with large watersheds record more eruptions than smaller lakes, which only register direct ashfalls, affecting conclusions regarding the recurrence of volcanic eruptions; and (3) using lakes with large watersheds for isopach mapping systematically leads to an overestimation of erupted tephra volumes. Smaller lakes with limited drainage basins are generally better suited for volcanological studies. Fil: Bertrand, Sébastien. University of Ghent; Bélgica Fil: Daga, Romina Betiana. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte; Argentina. Comisión Nacional de Energía Atómica. Gerencia del Área de Energía Nuclear. Unidad de Actividad de Ingeniería Nuclear. Laboratorio de Análisis por Activación Neutrónica; Argentina Fil: Bedert, Robin. University of Ghent; Bélgica Fil: Fontijn, Karen. University of Ghent; Bélgica. University of Oxford; Reino Unido |
description |
Tephras preserved in lake sediments are commonly used to synchronize sedimentary archives of climate and environmental change and to correlate them with terrestrial environments. They also provide opportunities to reconstruct volcanic explosive activity, e.g., eruption frequency and tephra dispersal. Although sedimentary processes may affect the record of tephras in lakes, lake sediments are generally considered as one of the best archives of tephra stratigraphy. The 2011–2012 eruption of Cordón Caulle volcano (Chile, 40°S) offered an ideal opportunity to study the processes affecting tephra deposition in lakes. Although the prevailing westerlies transported the erupted pyroclastic material away from nearby Puyehue Lake, the tephra was identified within this relatively large lake with a thickness ranging from 1 to >10 cm. This is in contrast with smaller lakes, where tephra thickness was in agreement with ashfall distribution maps. Geomorphological observations and sedimentological analyses provide evidence that the tephra deposited in Puyehue Lake entirely consists of material reworked from the upper watershed, transported by rivers, and distributed by lake currents according to particle size and density. Our results have important implications for tephrochronology and volcanology. They suggest that (1) lakes do not act as passive tephra traps; (2) lakes with large watersheds record more eruptions than smaller lakes, which only register direct ashfalls, affecting conclusions regarding the recurrence of volcanic eruptions; and (3) using lakes with large watersheds for isopach mapping systematically leads to an overestimation of erupted tephra volumes. Smaller lakes with limited drainage basins are generally better suited for volcanological studies. |
publishDate |
2014 |
dc.date.none.fl_str_mv |
2014-12 |
dc.type.none.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://purl.org/coar/resource_type/c_6501 info:ar-repo/semantics/articulo |
format |
article |
status_str |
publishedVersion |
dc.identifier.none.fl_str_mv |
http://hdl.handle.net/11336/180546 Bertrand, Sébastien; Daga, Romina Betiana; Bedert, Robin; Fontijn, Karen; Deposition of the 2011-2012 Cordõn Caulle tephra (Chile, 40S) in lake sediments: Implications for tephrochronology and volcanology; Wiley Blackwell Publishing, Inc; Journal of Geophysical Research; 119; 12; 12-2014; 2555-2573 0148-0227 2169-9011 CONICET Digital CONICET |
url |
http://hdl.handle.net/11336/180546 |
identifier_str_mv |
Bertrand, Sébastien; Daga, Romina Betiana; Bedert, Robin; Fontijn, Karen; Deposition of the 2011-2012 Cordõn Caulle tephra (Chile, 40S) in lake sediments: Implications for tephrochronology and volcanology; Wiley Blackwell Publishing, Inc; Journal of Geophysical Research; 119; 12; 12-2014; 2555-2573 0148-0227 2169-9011 CONICET Digital CONICET |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
info:eu-repo/semantics/altIdentifier/doi/10.1002/2014JF003321 info:eu-repo/semantics/altIdentifier/url/https://agupubs.onlinelibrary.wiley.com/doi/full/10.1002/2014JF003321 |
dc.rights.none.fl_str_mv |
info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
eu_rights_str_mv |
openAccess |
rights_invalid_str_mv |
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
dc.format.none.fl_str_mv |
application/pdf application/pdf |
dc.publisher.none.fl_str_mv |
Wiley Blackwell Publishing, Inc |
publisher.none.fl_str_mv |
Wiley Blackwell Publishing, Inc |
dc.source.none.fl_str_mv |
reponame:CONICET Digital (CONICET) instname:Consejo Nacional de Investigaciones Científicas y Técnicas |
reponame_str |
CONICET Digital (CONICET) |
collection |
CONICET Digital (CONICET) |
instname_str |
Consejo Nacional de Investigaciones Científicas y Técnicas |
repository.name.fl_str_mv |
CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas |
repository.mail.fl_str_mv |
dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar |
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1844613782933864448 |
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13.070432 |