The sediment budget of a highly dynamic mesoscale catchment: the River Isábena
The paper presents the sediment budget of the Isábena basin, a highly dynamic 445-km2 catchment located in the Central Pyrenees that is patched by highly erodible areas (i.e., badlands). The budget for the period 2007–2009 is constructed following a methodology that allows the interpolation of inter...
| Autores: | , , , |
|---|---|
| Formato: | artículo |
| Estado: | Versión aceptada para publicación |
| Fecha de publicación: | 2012 |
| País: | España |
| Recursos: | Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya) |
| Repositorio: | Recercat. Dipósit de la Recerca de Catalunya |
| OAI Identifier: | oai:recercat.cat:10459.1/469343 |
| Acesso em linha: | https://doi.org/10.1016/j.geomorph.2011.08.020 https://hdl.handle.net/10459.1/469343 http://hdl.handle.net/10459.1/469343 |
| Access Level: | acceso abierto |
| Palavra-chave: | Sediment budget Sediment transport Random forests Quantile regression forests River Isábena |
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The sediment budget of a highly dynamic mesoscale catchment: the River IsábenaLópez Tarazón, José AndrésBatalla, Ramon J.Vericat Querol, DamiàFrancke, T.Sediment budgetSediment transportRandom forestsQuantile regression forestsRiver IsábenaThe paper presents the sediment budget of the Isábena basin, a highly dynamic 445-km2 catchment located in the Central Pyrenees that is patched by highly erodible areas (i.e., badlands). The budget for the period 2007–2009 is constructed following a methodology that allows the interpolation of intermittent measurements of suspended sediment concentrations and enables a subsequent calculation of sediment loads. Data allow specification of the contribution of each subbasin to the water and sediment yield in the catchment outlet. Mean annual sediment load was 235,000 t y− 1. Specific sediment yield reached 2000 t km− 2 y− 1, a value that indicates very high sedimentary activity, especially in the case of Villacarli and Lascuarre subcatchments, were most badlands are located. The specific sediment yield obtained for the entire Isábena is 527 t km− 2 y− 1, a high value for such a mesoscale basin. Results show that a small part of the area (i.e., 1%) controls most of the catchment's gross sediment contribution. Sediment delivery ratio (ratio between sediment input from primary sources and basin export) has been estimated at around 90%, while in-channel storage represents the 5% of the annual load on average. The high connectivity between sediment sources (i.e., badlands) and transfer paths (i.e., streamcourses) exacerbates the influence of the local sediment production on the catchment's sediment yield, a quite unusual fact for a basin of this scale.The first author has a grant funded by the Catalan Government and the European Social Fund, while the third author has a Ramon y Cajal Fellowship (RYC-2010-06264). Research has been carried out within the framework of the project ‘Sediment Export from Large Semi-Arid Catchments: Measurements and Modelling’ (SESAM), funded by the German Science Foundation (Deutsche Forschungsgemeinschaft, DFG). The authors wish to thank the Ebro Water Authorities for permission to instal our measuring equipment at the Capella gauging station and for providing hydrological data. Special thanks are due to Álvaro Tena for his assistance in the field and in the laboratory. Authors are indebted to Chris Gibbins who undertook a first revision of the manuscript. Comments provided by two anonymous referees allowed improving the paper at the final stage.Elsevier2012info:eu-repo/semantics/articleinfo:eu-repo/semantics/acceptedVersionhttps://doi.org/10.1016/j.geomorph.2011.08.020https://hdl.handle.net/10459.1/469343http://hdl.handle.net/10459.1/469343reponame:Recercat. Dipósit de la Recerca de Catalunyainstname:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)InglésVersió postprint del document publicat a: https://doi.org/10.1016/j.geomorph.2011.08.020Geomorphology, 2012, vol. 138, núm. 1, p. 15-28cc-by-nc-nd (c) Elsevier, 2012Attribution-NonCommercial-NoDerivatives 4.0 Internationalinfo:eu-repo/semantics/openAccesshttp://creativecommons.org/licenses/by-nc-nd/4.0/oai:recercat.cat:10459.1/4693432026-05-29T05:05:01Z |
| dc.title.none.fl_str_mv |
The sediment budget of a highly dynamic mesoscale catchment: the River Isábena |
| title |
The sediment budget of a highly dynamic mesoscale catchment: the River Isábena |
| spellingShingle |
The sediment budget of a highly dynamic mesoscale catchment: the River Isábena López Tarazón, José Andrés Sediment budget Sediment transport Random forests Quantile regression forests River Isábena |
| title_short |
The sediment budget of a highly dynamic mesoscale catchment: the River Isábena |
| title_full |
The sediment budget of a highly dynamic mesoscale catchment: the River Isábena |
| title_fullStr |
The sediment budget of a highly dynamic mesoscale catchment: the River Isábena |
| title_full_unstemmed |
The sediment budget of a highly dynamic mesoscale catchment: the River Isábena |
| title_sort |
The sediment budget of a highly dynamic mesoscale catchment: the River Isábena |
| dc.creator.none.fl_str_mv |
López Tarazón, José Andrés Batalla, Ramon J. Vericat Querol, Damià Francke, T. |
| author |
López Tarazón, José Andrés |
| author_facet |
López Tarazón, José Andrés Batalla, Ramon J. Vericat Querol, Damià Francke, T. |
| author_role |
author |
| author2 |
Batalla, Ramon J. Vericat Querol, Damià Francke, T. |
| author2_role |
author author author |
| dc.subject.none.fl_str_mv |
Sediment budget Sediment transport Random forests Quantile regression forests River Isábena |
| topic |
Sediment budget Sediment transport Random forests Quantile regression forests River Isábena |
| description |
The paper presents the sediment budget of the Isábena basin, a highly dynamic 445-km2 catchment located in the Central Pyrenees that is patched by highly erodible areas (i.e., badlands). The budget for the period 2007–2009 is constructed following a methodology that allows the interpolation of intermittent measurements of suspended sediment concentrations and enables a subsequent calculation of sediment loads. Data allow specification of the contribution of each subbasin to the water and sediment yield in the catchment outlet. Mean annual sediment load was 235,000 t y− 1. Specific sediment yield reached 2000 t km− 2 y− 1, a value that indicates very high sedimentary activity, especially in the case of Villacarli and Lascuarre subcatchments, were most badlands are located. The specific sediment yield obtained for the entire Isábena is 527 t km− 2 y− 1, a high value for such a mesoscale basin. Results show that a small part of the area (i.e., 1%) controls most of the catchment's gross sediment contribution. Sediment delivery ratio (ratio between sediment input from primary sources and basin export) has been estimated at around 90%, while in-channel storage represents the 5% of the annual load on average. The high connectivity between sediment sources (i.e., badlands) and transfer paths (i.e., streamcourses) exacerbates the influence of the local sediment production on the catchment's sediment yield, a quite unusual fact for a basin of this scale. |
| publishDate |
2012 |
| dc.date.none.fl_str_mv |
2012 |
| dc.type.none.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/acceptedVersion |
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article |
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acceptedVersion |
| dc.identifier.none.fl_str_mv |
https://doi.org/10.1016/j.geomorph.2011.08.020 https://hdl.handle.net/10459.1/469343 http://hdl.handle.net/10459.1/469343 |
| url |
https://doi.org/10.1016/j.geomorph.2011.08.020 https://hdl.handle.net/10459.1/469343 http://hdl.handle.net/10459.1/469343 |
| dc.language.none.fl_str_mv |
Inglés |
| language_invalid_str_mv |
Inglés |
| dc.relation.none.fl_str_mv |
Versió postprint del document publicat a: https://doi.org/10.1016/j.geomorph.2011.08.020 Geomorphology, 2012, vol. 138, núm. 1, p. 15-28 |
| dc.rights.none.fl_str_mv |
cc-by-nc-nd (c) Elsevier, 2012 Attribution-NonCommercial-NoDerivatives 4.0 International info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by-nc-nd/4.0/ |
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cc-by-nc-nd (c) Elsevier, 2012 Attribution-NonCommercial-NoDerivatives 4.0 International http://creativecommons.org/licenses/by-nc-nd/4.0/ |
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openAccess |
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Elsevier |
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Elsevier |
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reponame:Recercat. Dipósit de la Recerca de Catalunya instname:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya) |
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Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya) |
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Recercat. Dipósit de la Recerca de Catalunya |
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Recercat. Dipósit de la Recerca de Catalunya |
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