{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,12]],"date-time":"2025-11-12T06:22:02Z","timestamp":1762928522205,"version":"build-2065373602"},"reference-count":54,"publisher":"MDPI AG","issue":"7","license":[{"start":{"date-parts":[[2017,7,14]],"date-time":"2017-07-14T00:00:00Z","timestamp":1499990400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"This work was supported by the Spanish Ministry of Economy and Competitiveness (MINECO\/FEDER, UE) under Grant SEDRETO","award":["CGL2015-70736-R"],"award-info":[{"award-number":["CGL2015-70736-R"]}]},{"name":"J.D.d.M.E. was supported by a PhD scholarship (MINECO\/FSE, UE) from the Spanish National Programme for the Promotion of Talent and its Employability (call 2016)","award":["BES-2016-079117"],"award-info":[{"award-number":["BES-2016-079117"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Remote Sensing"],"abstract":"<jats:p>Reduction in channel capacity can trigger an increase in flood hazard over time. It represents a geomorphic driver that competes against its hydrologic counterpart where streamflow decreases. We show that this situation arose in the Guadalquivir River (Southern Spain) after impoundment. We identify the physical parameters that raised flood hazard in the period 1997\u20132013 with respect to past years 1910\u20131996 and quantify their effects by accounting for temporal trends in both streamflow and channel capacity. First, we collect historical hydrological data to lengthen records of extreme flooding events since 1910. Next, inundated areas and grade lines across a 70 km stretch of up to 2 km wide floodplain are delimited from Landsat and TerraSAR-X satellite images of the most recent floods (2009\u20132013). Flooded areas are also computed using standard two-dimensional Saint-Venant equations. Simulated stages are verified locally and across the whole domain with collected hydrological data and satellite images, respectively. The thoughtful analysis of flooding and geomorphic dynamics over multi-decadal timescales illustrates that non-stationary channel adaptation to river impoundment decreased channel capacity and increased flood hazard. Previous to channel squeezing and pre-vegetation encroachment, river discharges as high as 1450 m3\u00b7s\u22121 (the year 1924) were required to inundate the same areas as the 790 m3\u00b7s\u22121 streamflow for recent floods (the year 2010). We conclude that future projections of one-in-a-century river floods need to include geomorphic drivers as they compete with the reduction of peak discharges under the current climate change scenario.<\/jats:p>","DOI":"10.3390\/rs9070727","type":"journal-article","created":{"date-parts":[[2017,7,14]],"date-time":"2017-07-14T10:45:02Z","timestamp":1500029102000},"page":"727","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":21,"title":["100 Years of Competition between Reduction in Channel Capacity and Streamflow during Floods in the Guadalquivir River (Southern Spain)"],"prefix":"10.3390","volume":"9","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9387-9138","authenticated-orcid":false,"given":"Patricio","family":"Bohorquez","sequence":"first","affiliation":[{"name":"Centro de Estudios Avanzados en Ciencias de la Tierra (CEACTierra), Universidad de Ja\u00e9n, Campus de las Lagunillas, 23071 Ja\u00e9n, Spain"}]},{"given":"Jos\u00e9","family":"Del Moral-Erencia","sequence":"additional","affiliation":[{"name":"Centro de Estudios Avanzados en Ciencias de la Tierra (CEACTierra), Universidad de Ja\u00e9n, Campus de las Lagunillas, 23071 Ja\u00e9n, Spain"}]}],"member":"1968","published-online":{"date-parts":[[2017,7,14]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","unstructured":"Bohorquez, P. 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