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Título: | Evaluación de los impactos climáticos y antrópicos en la hidrología de paleoinundaciones del río Guadalentín |
Autor: | Benito, Gerardo CSIC ORCID | Palabras clave: | Environmental changes Climate change Documentary records Palaeoflood hydrology |
Fecha de publicación: | 2008 | Editor: | Universidad de Cádiz | Citación: | Trabajos de Geomorfología en España, 2006 - 2008:373-376 X Reunión Nacional de Geomorfología, Cádiz 2008 | Resumen: | Flood frequency and magnitude of the upper Guadalentín River has been reconstructed using geological evidence combined with one dimensional hydraulic modelling, and supported with records from documentary written sources at Lorca (lower Guadalentin catchment). The stratigraphic record identifies four main phases of increased flood frequency: 1) at least ten floods (with minimum discharge estimates of 15-580 m 3s-1) occurred ca. AD 950-1200; 2) three floods (580-680 m3s-1) with the earliest dated to ca. 1450-1650 cal. AD, most probably the 1568, 1651 and 1653 events; 3) one flood (730 m3s-1) dating from AD 1630-1890, most probably related to AD 1733; and 4) five floods from 1830-1900 (760-1035 m3s-1). The palaeoflood and historical flood information point out to an increase in the flood frequency and magnitude between AD1830-1880 which can be attributed to climate variability accentuated by intensive deforestation and land use practices during the first decades of the 19th century | URI: | http://hdl.handle.net/10261/93964 | Identificadores: | isbn: 84-473-6226-4 |
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