Relación entre periodos frios y cambios de patrón de macroescala (oscilación del Atlántico Norte) en las inundaciones en el Río Guadiana
43ª Sesión Científica. Móstoles, Noviembre de 2007 Global changes in climate have been widely documented but the relationships between these changes and floods are not easy to establish. Hydroclimatology offers an important tool in order to improve our knowledge about the flood producing mechanisms,...
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ftcsic:oai:digital.csic.es:10261/8674 2024-02-11T10:06:18+01:00 Relación entre periodos frios y cambios de patrón de macroescala (oscilación del Atlántico Norte) en las inundaciones en el Río Guadiana Relationship betwen cold periods and changes in macroscale patterns (North Atlantic oscillation) in Guadiana River floods Ortega, A. Garzón Heydt, G. 2007 190981 bytes application/pdf http://hdl.handle.net/10261/8674 es spa Sociedad Geológica de España http://www.sociedadgeologica.es/archivos/geogacetas/Geo43/Art30.pdf Geogaceta, 43 (2007), 119-122 0213-683X http://hdl.handle.net/10261/8674 open Natural hazards Hydroclimatology Palaeofloods NAO Global change artículo http://purl.org/coar/resource_type/c_6501 2007 ftcsic 2024-01-16T09:21:06Z 43ª Sesión Científica. Móstoles, Noviembre de 2007 Global changes in climate have been widely documented but the relationships between these changes and floods are not easy to establish. Hydroclimatology offers an important tool in order to improve our knowledge about the flood producing mechanisms, which can be used to explain historical and palaeohydrological events. Storm cells and mesoscale systems develop into small floods, mainly at tributary streams. But a synoptic scale relates better to Guadiana River floods, dominant in winter. At a higher level, macroscale atmospheric configuration can also explain flood generation at the Guadiana River and, particularly, the North Atlantic Oscillation (NAO) that is one of the most important recurrent patterns of atmospheric circulation. There is no reliable evidence, however relating NAO and historical floods in Europe, especially for central European countries. This situation changes in the Iberian Peninsula, specially in the Southwest that shows a good relationship between winter floods and a negative NAO phase. Recent Guadiana River floods (XX century) could be related to these phenomena, but there´s not and index who covers previous events. Guadiana palaeoflood records compiled using slackwater deposits are dated by 14C radiometric methods and associated, when it is possible to a historical flood event. Results shows event clusters during cooling phases and it is likely that they reflect moments of climatic variability. Este trabajo se ha realizado dentro de los proyectos del MCYT: Nº BTE-2003- 045 y Nº CGL2004-03049. Peer reviewed Article in Journal/Newspaper North Atlantic North Atlantic oscillation Digital.CSIC (Spanish National Research Council) |
institution |
Open Polar |
collection |
Digital.CSIC (Spanish National Research Council) |
op_collection_id |
ftcsic |
language |
Spanish |
topic |
Natural hazards Hydroclimatology Palaeofloods NAO Global change |
spellingShingle |
Natural hazards Hydroclimatology Palaeofloods NAO Global change Ortega, A. Garzón Heydt, G. Relación entre periodos frios y cambios de patrón de macroescala (oscilación del Atlántico Norte) en las inundaciones en el Río Guadiana |
topic_facet |
Natural hazards Hydroclimatology Palaeofloods NAO Global change |
description |
43ª Sesión Científica. Móstoles, Noviembre de 2007 Global changes in climate have been widely documented but the relationships between these changes and floods are not easy to establish. Hydroclimatology offers an important tool in order to improve our knowledge about the flood producing mechanisms, which can be used to explain historical and palaeohydrological events. Storm cells and mesoscale systems develop into small floods, mainly at tributary streams. But a synoptic scale relates better to Guadiana River floods, dominant in winter. At a higher level, macroscale atmospheric configuration can also explain flood generation at the Guadiana River and, particularly, the North Atlantic Oscillation (NAO) that is one of the most important recurrent patterns of atmospheric circulation. There is no reliable evidence, however relating NAO and historical floods in Europe, especially for central European countries. This situation changes in the Iberian Peninsula, specially in the Southwest that shows a good relationship between winter floods and a negative NAO phase. Recent Guadiana River floods (XX century) could be related to these phenomena, but there´s not and index who covers previous events. Guadiana palaeoflood records compiled using slackwater deposits are dated by 14C radiometric methods and associated, when it is possible to a historical flood event. Results shows event clusters during cooling phases and it is likely that they reflect moments of climatic variability. Este trabajo se ha realizado dentro de los proyectos del MCYT: Nº BTE-2003- 045 y Nº CGL2004-03049. Peer reviewed |
format |
Article in Journal/Newspaper |
author |
Ortega, A. Garzón Heydt, G. |
author_facet |
Ortega, A. Garzón Heydt, G. |
author_sort |
Ortega, A. |
title |
Relación entre periodos frios y cambios de patrón de macroescala (oscilación del Atlántico Norte) en las inundaciones en el Río Guadiana |
title_short |
Relación entre periodos frios y cambios de patrón de macroescala (oscilación del Atlántico Norte) en las inundaciones en el Río Guadiana |
title_full |
Relación entre periodos frios y cambios de patrón de macroescala (oscilación del Atlántico Norte) en las inundaciones en el Río Guadiana |
title_fullStr |
Relación entre periodos frios y cambios de patrón de macroescala (oscilación del Atlántico Norte) en las inundaciones en el Río Guadiana |
title_full_unstemmed |
Relación entre periodos frios y cambios de patrón de macroescala (oscilación del Atlántico Norte) en las inundaciones en el Río Guadiana |
title_sort |
relación entre periodos frios y cambios de patrón de macroescala (oscilación del atlántico norte) en las inundaciones en el río guadiana |
publisher |
Sociedad Geológica de España |
publishDate |
2007 |
url |
http://hdl.handle.net/10261/8674 |
genre |
North Atlantic North Atlantic oscillation |
genre_facet |
North Atlantic North Atlantic oscillation |
op_relation |
http://www.sociedadgeologica.es/archivos/geogacetas/Geo43/Art30.pdf Geogaceta, 43 (2007), 119-122 0213-683X http://hdl.handle.net/10261/8674 |
op_rights |
open |
_version_ |
1790603930622754816 |