2026-05-28T13:47:38Zhttps://riuma.uma.es/rest/oai/requestoai:riuma.uma.es:10630/148072026-02-03T12:23:50Zcom_10630_2254col_10630_37959
RIUMA. Repositorio Institucional de la Universidad de Málaga
author
Nieto-López, José Manuel
author
Andreo-Navarro, Bartolomé
author
Barberá-Fornell, Juan Antonio
author
Ramírez-González, José Miguel
author
Rendón, Manuel
2017-11-20T10:57:54Z
2017-11-20T10:57:54Z
2017-11-20
http://hdl.handle.net/10630/14807
In riverine areas, many anthropogenic actions (modification of natural water courses, burying or channeling works, etc.) have been commonly applied worldwide to prevent floods in rivers, having negative environmental impacts on their dependent ecosystems. In the Guadalhorce River mouth (Málaga, Southern Spain), channeling works -including the splitting of the main channel into two branches before arriving to the sea- were conducted to reduce the flood risk in the surrounding urbanized areas near to the Mediterranean coast. In the framework of the monitoring program of the Guadalhorce Delta Wetlands, located between the branches of the ending river stretch, measurements of electrical conductivity in wetland water and groundwater table were performed, as well as the sampling of both water types. The results show a progressive increasing in the mineralization of wetland water, reaching values 50 times higher than the original ones. In the underlying aquifers, the mineralization of groundwater is generally less variable and lower than the recorded in the eighties and nineties, when a salt intrusion episode occurred. Before the river channel modification, the water flow from the aquifer to the wetlands and toward the river in its mouth was deduced. Today, the wetlands recharge locally the Quaternary aquifer and, consequently, induce the groundwater flow towards the both branches of the river and Mediterranean Sea. The variation of the morphodynamics in the Guadalhorce River mouth and the associated changes in land use have caused significant impacts on ground and surface water and their dependent wetlands.
eng
by-nc-nd
Hidrogeología
Guadalhorce
Preliminary study of the impact of Guadalhorce river mouth channeling (Málaga, Spain) on groundwater and related wetlands
conference output
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URL
https://riuma.uma.es/bitstreams/31cda224-9a44-4143-8836-568b7078be3b/download
File
MD5
82cbc05085aa5e3d6038657792181ec2
170910
application/pdf
PRELIMINARY STUDY OF THE IMPACT OF GUADALHORCE RIVER MOUTH.pdf