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dc.contributor.author
Quesada, Agustín
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dc.contributor.author
Colavitto, Bruno
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dc.date.available
2024-05-17T13:01:28Z
dc.date.issued
2022
dc.identifier.citation
GLOF event in the Turbio river basin in June 2017 (North Patagonian Andean Range, NW Chubut, Argentina): triggers and impacts; International Association of Limnogeology and International Paleolimnology Association: Lakes, Memories of the Landscape ; San Carlos de Bariloche; Argentina; 2022; 16-16
dc.identifier.uri
http://hdl.handle.net/11336/235623
dc.description.abstract
The Turbio river valley can be described as a paraglacial landscape with wide floodplainsand glaciers relicts in its headwaters. High-energy events, frequent but not cyclic, haveeffects on the geomorphological and biological evolution of the basin. Our study focuseson a glacial lake outburst flood (GLOF) that occurred in June 2017 in one of the upperbasin tributaries. Based on satellite images and local stakeholder’s information, the outburstoccurred between June 25th-26th. During those days, a rockslide from the southern slopeof the valley reached the lake (42,28°S; 72,13ºW), emptying it completely. The resultinghigh-energy flow eroded the lateral banks of the Turbio river valley and left a large debriscorridor extending more than 7 km. The torrent flood overbanks the lower fluvial plain andreached the fan delta of Puelo lake. Wood debris accumulations (Fitzroya cupressoides)were found along the Lake. A rural house was destroyed and trouts (Onchorynchus mykiss)were found dead. A few days before the event, a 3-day cumulative rainfall >80 mm wasdetected, associated with a cut-off low structure developed over the southeastern Pacific.Subsequently, on June 25th, a Mw 4.9 earthquake occurred 12 km from the lake, with adepth <13 km. In this case, the rockslide induced by weather (rainfall) or seismic conditions,or both combined, may have been sufficient to trigger a GLOF. An example is the Valdiviamega-earthquake of May 1960, in which outburst flood and avulsion processes werereported in the same lower basin. We suggest that continuous monitoring of glacial lakesand related hazards in this region is important, despite being sparsely populated. In addition,we recognize that the low anthropization degree of the Turbio river provides an excellentopportunity to study GLOFs and their geomorphic effects in the north Patagonian Andes.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
International Association of Limnogeology; International Paleolimnology Association
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by/2.5/ar/
dc.subject
GLACIAL LAKE OUTBURST FLOOD
dc.subject
PARAGLACIAL
dc.subject
CHUBUT
dc.subject
ANDEAN RANGE
dc.subject.classification
Geografía Física
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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
GLOF event in the Turbio river basin in June 2017 (North Patagonian Andean Range, NW Chubut, Argentina): triggers and impacts
dc.type
info:eu-repo/semantics/publishedVersion
dc.type
info:eu-repo/semantics/conferenceObject
dc.type
info:ar-repo/semantics/documento de conferencia
dc.date.updated
2024-04-08T14:56:14Z
dc.journal.pagination
16-16
dc.journal.pais
Argentina
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dc.journal.ciudad
San Carlos de Bariloche
dc.description.fil
Fil: Quesada, Agustín. Consejo Nacional de Investigaciones Cientificas y Tecnicas. Centro Cientifico Tecnologico Conicet - Patagonia Norte. Instituto de Investigaciones En Recursos Naturales, Agroecologia y Desarrollo Rural. - Universidad Nacional de Rio Negro. Instituto de Investigaciones En Recursos Naturales, Agroecologia y Desarrollo Rural.; Argentina
dc.description.fil
Fil: Colavitto, Bruno. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Estudios Andinos "Don Pablo Groeber". Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Estudios Andinos "Don Pablo Groeber"; Argentina. University Of Geneva (ug);
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://zenodo.org/records/7305148
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.5281/zenodo.7305148
dc.conicet.rol
Autor
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dc.conicet.rol
Autor
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dc.coverage
Internacional
dc.type.subtype
Conferencia
dc.description.nombreEvento
International Association of Limnogeology and International Paleolimnology Association: Lakes, Memories of the Landscape
dc.date.evento
2022-11-27
dc.description.ciudadEvento
San Carlos de Bariloche
dc.description.paisEvento
Argentina
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dc.type.publicacion
Book
dc.description.institucionOrganizadora
International Paleolimnology Association
dc.description.institucionOrganizadora
International Association of Limnogeology
dc.source.libro
International Association of Limnogeology and International Paleolimnology Association Abstract book: Lakes, Memories of the Landscape
dc.date.eventoHasta
2022-12-01
dc.type
Conferencia
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