An exceptional rainfall event in the central western pyrenees: Spatial patterns in discharge and impact
An exceptional rainfall and hydrological event occurred on 19-21 October 2012 in the central western Pyrenees and was particularly significant in the Upper Aragón River basin and its tributaries, mainly the Irati River. Analysis of historical records showed that, considered separately, the event of...
| Autores: | , , , , , , , |
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| Tipo de recurso: | artículo |
| Estado: | Versión publicada |
| Fecha de publicación: | 2015 |
| País: | España |
| Institución: | Universidad de La Rioja (UR) |
| Repositorio: | RIUR. Repositorio Institucional de la Universidad de La Rioja |
| OAI Identifier: | oai:portal.dialnet.es:doc/5bbc69a5b750603269e81ee9 |
| Acceso en línea: | https://investigacion.unirioja.es/documentos/5bbc69a5b750603269e81ee9 |
| Access Level: | acceso abierto |
| Palabra clave: | Central pyrenees Exceptional rainfall event Flood Flood propagation Yesa reservoir |
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An exceptional rainfall event in the central western pyrenees: Spatial patterns in discharge and impactSerrano-Muela, M.P.Nadal-Romero, E. [0000-0002-4651-7828]Lana-Renault, N. [0000-0002-0272-2504]González-Hidalgo, J.C. [0000-0002-8518-9177]López-Moreno, J.I. [0000-0002-7270-9313]Beguería, S. [0000-0002-3974-2947]Sanjuan, Y. [0000-0003-4400-4444]García-Ruiz, J.M. [0000-0002-8535-817X]Central pyreneesExceptional rainfall eventFloodFlood propagationYesa reservoirAn exceptional rainfall and hydrological event occurred on 19-21 October 2012 in the central western Pyrenees and was particularly significant in the Upper Aragón River basin and its tributaries, mainly the Irati River. Analysis of historical records showed that, considered separately, the event of 19 and 20 October ranked between the second and fifth highest most extreme daily precipitation events. For the two days combined (with a total between 200 and 260mm), the precipitation event was the most extreme 2-day event among all observation stations but one. The consequent flood destroyed part of an urban area, and a long stretch of a national road triggered landslides, enlarged the alluvial plain and caused generalised soil erosion in cultivated fields cropped with winter cereals. Badlands in the marls of the Inner Depression yielded high volumes of sediment. The floods in the tributaries were relatively moderate (return periods of 14-42years), whereas in the Upper Aragón River, the flood corresponded to a return period of approximately 400-500years and to 142years at the end of the Yesa reservoir, although difficulties in estimating the discharge increased the uncertainty of these values. The Yesa and Itoiz reservoirs considerably reduced the intensity of the flood in the middle and lower Aragón River and confirmed the importance of the water level in the reservoirs when such rainfall events occur. The water storage in the Yesa reservoir increased from 16% to 53% as a consequence of the event. More integrated studies are necessary to decrease the risks associated with flood hazards. This is particularly the case in mountain areas, where the steep slopes and longitudinal gradients of the rivers shorten the concentration time of floods and increase the energy that erodes channels and riverbanks. © 2013 John Wiley & Sons, Ltd.2015info:eu-repo/semantics/articleSubtype: Articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://investigacion.unirioja.es/documentos/5bbc69a5b750603269e81ee9reponame:RIUR. Repositorio Institucional de la Universidad de La Riojainstname:Universidad de La Rioja (UR)Inglésinfo:eu-repo/semantics/altIdentifier/doi/10.1002/LDR.2221info:eu-repo/semantics/altIdentifier/wos/WOS:000352863300006info:eu-repo/semantics/altIdentifier/pissn/1085-3278An exceptional rainfall event in the central western pyrenees: Spatial patterns in discharge and impact, 2015, vol. 26, núm. 3, pág. 249-262info:eu-repo/semantics/openAccessoai:portal.dialnet.es:doc/5bbc69a5b750603269e81ee92026-06-14T12:47:17Z |
| dc.title.none.fl_str_mv |
An exceptional rainfall event in the central western pyrenees: Spatial patterns in discharge and impact |
| title |
An exceptional rainfall event in the central western pyrenees: Spatial patterns in discharge and impact |
| spellingShingle |
An exceptional rainfall event in the central western pyrenees: Spatial patterns in discharge and impact Serrano-Muela, M.P. Central pyrenees Exceptional rainfall event Flood Flood propagation Yesa reservoir |
| title_short |
An exceptional rainfall event in the central western pyrenees: Spatial patterns in discharge and impact |
| title_full |
An exceptional rainfall event in the central western pyrenees: Spatial patterns in discharge and impact |
| title_fullStr |
An exceptional rainfall event in the central western pyrenees: Spatial patterns in discharge and impact |
| title_full_unstemmed |
An exceptional rainfall event in the central western pyrenees: Spatial patterns in discharge and impact |
| title_sort |
An exceptional rainfall event in the central western pyrenees: Spatial patterns in discharge and impact |
| dc.creator.none.fl_str_mv |
Serrano-Muela, M.P. Nadal-Romero, E. [0000-0002-4651-7828] Lana-Renault, N. [0000-0002-0272-2504] González-Hidalgo, J.C. [0000-0002-8518-9177] López-Moreno, J.I. [0000-0002-7270-9313] Beguería, S. [0000-0002-3974-2947] Sanjuan, Y. [0000-0003-4400-4444] García-Ruiz, J.M. [0000-0002-8535-817X] |
| author |
Serrano-Muela, M.P. |
| author_facet |
Serrano-Muela, M.P. Nadal-Romero, E. [0000-0002-4651-7828] Lana-Renault, N. [0000-0002-0272-2504] González-Hidalgo, J.C. [0000-0002-8518-9177] López-Moreno, J.I. [0000-0002-7270-9313] Beguería, S. [0000-0002-3974-2947] Sanjuan, Y. [0000-0003-4400-4444] García-Ruiz, J.M. [0000-0002-8535-817X] |
| author_role |
author |
| author2 |
Nadal-Romero, E. [0000-0002-4651-7828] Lana-Renault, N. [0000-0002-0272-2504] González-Hidalgo, J.C. [0000-0002-8518-9177] López-Moreno, J.I. [0000-0002-7270-9313] Beguería, S. [0000-0002-3974-2947] Sanjuan, Y. [0000-0003-4400-4444] García-Ruiz, J.M. [0000-0002-8535-817X] |
| author2_role |
author author author author author author author |
| dc.subject.none.fl_str_mv |
Central pyrenees Exceptional rainfall event Flood Flood propagation Yesa reservoir |
| topic |
Central pyrenees Exceptional rainfall event Flood Flood propagation Yesa reservoir |
| description |
An exceptional rainfall and hydrological event occurred on 19-21 October 2012 in the central western Pyrenees and was particularly significant in the Upper Aragón River basin and its tributaries, mainly the Irati River. Analysis of historical records showed that, considered separately, the event of 19 and 20 October ranked between the second and fifth highest most extreme daily precipitation events. For the two days combined (with a total between 200 and 260mm), the precipitation event was the most extreme 2-day event among all observation stations but one. The consequent flood destroyed part of an urban area, and a long stretch of a national road triggered landslides, enlarged the alluvial plain and caused generalised soil erosion in cultivated fields cropped with winter cereals. Badlands in the marls of the Inner Depression yielded high volumes of sediment. The floods in the tributaries were relatively moderate (return periods of 14-42years), whereas in the Upper Aragón River, the flood corresponded to a return period of approximately 400-500years and to 142years at the end of the Yesa reservoir, although difficulties in estimating the discharge increased the uncertainty of these values. The Yesa and Itoiz reservoirs considerably reduced the intensity of the flood in the middle and lower Aragón River and confirmed the importance of the water level in the reservoirs when such rainfall events occur. The water storage in the Yesa reservoir increased from 16% to 53% as a consequence of the event. More integrated studies are necessary to decrease the risks associated with flood hazards. This is particularly the case in mountain areas, where the steep slopes and longitudinal gradients of the rivers shorten the concentration time of floods and increase the energy that erodes channels and riverbanks. © 2013 John Wiley & Sons, Ltd. |
| publishDate |
2015 |
| dc.date.none.fl_str_mv |
2015 |
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info:eu-repo/semantics/article Subtype: Article info:eu-repo/semantics/publishedVersion |
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article |
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publishedVersion |
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https://investigacion.unirioja.es/documentos/5bbc69a5b750603269e81ee9 |
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https://investigacion.unirioja.es/documentos/5bbc69a5b750603269e81ee9 |
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Inglés |
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Inglés |
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info:eu-repo/semantics/altIdentifier/doi/10.1002/LDR.2221 info:eu-repo/semantics/altIdentifier/wos/WOS:000352863300006 info:eu-repo/semantics/altIdentifier/pissn/1085-3278 An exceptional rainfall event in the central western pyrenees: Spatial patterns in discharge and impact, 2015, vol. 26, núm. 3, pág. 249-262 |
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openAccess |
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