250 years of flood frequency and discharge in an ungauged Corsican mountain catchment: A dendrogeomorphic reconstruction

The primary goal of paleoflood hydrology is to estimate the frequency and magnitude of past floods. Botanical evidence, and particularly scars on trees, has been used repeatedly as paleostage indicators to reconstruct peak discharges and flood height. Yet, these reconstructions depend on the presenc...

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Autores: Zhong, Yihua, Favillier, Adrien, Ballesteros-Cánovas, Juan Antonio, Qie, Jiazhi, Muñoz-Torrero Manchado, Alberto, Guillet, Sébastien, Huneaau, Frederic, Corona, Christophe, Stoffel, Markus
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2023
País:España
Institución:Consejo Superior de Investigaciones Científicas (CSIC)
Repositorio:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/308433
Acceso en línea:http://hdl.handle.net/10261/308433
Access Level:acceso abierto
Palabra clave:Dendrogeomorphology
Paleostage indicators
Peak discharge
Tree position
Hydraulic modeling
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spelling 250 years of flood frequency and discharge in an ungauged Corsican mountain catchment: A dendrogeomorphic reconstructionZhong, YihuaFavillier, AdrienBallesteros-Cánovas, Juan AntonioQie, JiazhiMuñoz-Torrero Manchado, AlbertoGuillet, SébastienHuneaau, FredericCorona, ChristopheStoffel, MarkusDendrogeomorphologyPaleostage indicatorsPeak dischargeTree positionHydraulic modelingThe primary goal of paleoflood hydrology is to estimate the frequency and magnitude of past floods. Botanical evidence, and particularly scars on trees, has been used repeatedly as paleostage indicators to reconstruct peak discharges and flood height. Yet, these reconstructions depend on the presence of visible scars on tree stems which tend to be masked as trees grow older. Here, we estimated flood magnitude using an alternative approach based on growth disturbances in tree-ring series, tree positions and the minimal discharge necessary to submerge the root collar of a tree as estimated by hydraulic modeling. We tested the reliability of this newly developed approach by using the traditional scar-based reconstruction as a benchmark. To this end, we sampled 60 trees showing evidence of flood damage on their stems along a 787-m long segment of the Asco river (Corsica, France). Based on 440 growth disturbances dated in tree-ring series, we reconstructed 28 floods between 1759 and 2020 and 18 during the 20th century. Using the two-dimensional Iber hydraulic model and detailed topographic data of the study site obtained from UAV imagery, we estimated that peak discharges of the 28 reconstructed events ranged between 10 and 210 m3s−1, with 200 m3s−1 being considered as the threshold for extreme floods. Not only do the scar-based and root collar submersion approaches yield similar results, findings are also clearly in line with the sparse information available from historical archives and short gauge station records on past floods. The unprecedented length and depth of the record presented here opens new avenues for climate change and flood impact research.Yihua Zhong was financed by a China Scholarship Council Ph.D. grant. Juan A. Ballesteros Cánovas was partially supported by the Spanish Research Council (EXTreeM project, PID2021-1245730A-100).Peer reviewedElsevierMinisterio de Ciencia e Innovación (España)China Scholarship CouncilConsejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]202320232023info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_6501Publisher's versioninfo:eu-repo/semantics/publishedVersionhttp://hdl.handle.net/10261/308433reponame:DIGITAL.CSIC. Repositorio Institucional del CSICinstname:Consejo Superior de Investigaciones Científicas (CSIC)Inglés#PLACEHOLDER_PARENT_METADATA_VALUE#info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2021-2023/PID2021-122671NB-I00https://doi.org/10.1016/j.scitotenv.2023.163138Síinfo:eu-repo/semantics/openAccessoai:digital.csic.es:10261/3084332026-05-22T06:33:51Z
dc.title.none.fl_str_mv 250 years of flood frequency and discharge in an ungauged Corsican mountain catchment: A dendrogeomorphic reconstruction
title 250 years of flood frequency and discharge in an ungauged Corsican mountain catchment: A dendrogeomorphic reconstruction
spellingShingle 250 years of flood frequency and discharge in an ungauged Corsican mountain catchment: A dendrogeomorphic reconstruction
Zhong, Yihua
Dendrogeomorphology
Paleostage indicators
Peak discharge
Tree position
Hydraulic modeling
title_short 250 years of flood frequency and discharge in an ungauged Corsican mountain catchment: A dendrogeomorphic reconstruction
title_full 250 years of flood frequency and discharge in an ungauged Corsican mountain catchment: A dendrogeomorphic reconstruction
title_fullStr 250 years of flood frequency and discharge in an ungauged Corsican mountain catchment: A dendrogeomorphic reconstruction
title_full_unstemmed 250 years of flood frequency and discharge in an ungauged Corsican mountain catchment: A dendrogeomorphic reconstruction
title_sort 250 years of flood frequency and discharge in an ungauged Corsican mountain catchment: A dendrogeomorphic reconstruction
dc.creator.none.fl_str_mv Zhong, Yihua
Favillier, Adrien
Ballesteros-Cánovas, Juan Antonio
Qie, Jiazhi
Muñoz-Torrero Manchado, Alberto
Guillet, Sébastien
Huneaau, Frederic
Corona, Christophe
Stoffel, Markus
author Zhong, Yihua
author_facet Zhong, Yihua
Favillier, Adrien
Ballesteros-Cánovas, Juan Antonio
Qie, Jiazhi
Muñoz-Torrero Manchado, Alberto
Guillet, Sébastien
Huneaau, Frederic
Corona, Christophe
Stoffel, Markus
author_role author
author2 Favillier, Adrien
Ballesteros-Cánovas, Juan Antonio
Qie, Jiazhi
Muñoz-Torrero Manchado, Alberto
Guillet, Sébastien
Huneaau, Frederic
Corona, Christophe
Stoffel, Markus
author2_role author
author
author
author
author
author
author
author
dc.contributor.none.fl_str_mv Ministerio de Ciencia e Innovación (España)
China Scholarship Council
Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]
dc.subject.none.fl_str_mv Dendrogeomorphology
Paleostage indicators
Peak discharge
Tree position
Hydraulic modeling
topic Dendrogeomorphology
Paleostage indicators
Peak discharge
Tree position
Hydraulic modeling
description The primary goal of paleoflood hydrology is to estimate the frequency and magnitude of past floods. Botanical evidence, and particularly scars on trees, has been used repeatedly as paleostage indicators to reconstruct peak discharges and flood height. Yet, these reconstructions depend on the presence of visible scars on tree stems which tend to be masked as trees grow older. Here, we estimated flood magnitude using an alternative approach based on growth disturbances in tree-ring series, tree positions and the minimal discharge necessary to submerge the root collar of a tree as estimated by hydraulic modeling. We tested the reliability of this newly developed approach by using the traditional scar-based reconstruction as a benchmark. To this end, we sampled 60 trees showing evidence of flood damage on their stems along a 787-m long segment of the Asco river (Corsica, France). Based on 440 growth disturbances dated in tree-ring series, we reconstructed 28 floods between 1759 and 2020 and 18 during the 20th century. Using the two-dimensional Iber hydraulic model and detailed topographic data of the study site obtained from UAV imagery, we estimated that peak discharges of the 28 reconstructed events ranged between 10 and 210 m3s−1, with 200 m3s−1 being considered as the threshold for extreme floods. Not only do the scar-based and root collar submersion approaches yield similar results, findings are also clearly in line with the sparse information available from historical archives and short gauge station records on past floods. The unprecedented length and depth of the record presented here opens new avenues for climate change and flood impact research.
publishDate 2023
dc.date.none.fl_str_mv 2023
2023
2023
dc.type.none.fl_str_mv info:eu-repo/semantics/article
http://purl.org/coar/resource_type/c_6501
Publisher's version
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/10261/308433
url http://hdl.handle.net/10261/308433
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv #PLACEHOLDER_PARENT_METADATA_VALUE#
info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2021-2023/PID2021-122671NB-I00
https://doi.org/10.1016/j.scitotenv.2023.163138
Sí
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv Elsevier
publisher.none.fl_str_mv Elsevier
dc.source.none.fl_str_mv reponame:DIGITAL.CSIC. Repositorio Institucional del CSIC
instname:Consejo Superior de Investigaciones Científicas (CSIC)
instname_str Consejo Superior de Investigaciones Científicas (CSIC)
reponame_str DIGITAL.CSIC. Repositorio Institucional del CSIC
collection DIGITAL.CSIC. Repositorio Institucional del CSIC
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15,81155

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