Ocean Science
Ocean Science
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Articles | Volume 21, issue 1
Articles | Volume 21, issue 1
https://doi.org/10.5194/os-21-515-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/os-21-515-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 21, issue 1
Research article
 | 
26 Feb 2025
Research article |  | 26 Feb 2025

Anthropogenic pressures driving the salinity intrusion in the Guadalquivir estuary: insights from 1D numerical simulations

Sara Sirviente, Juan J. Gomiz-Pascual, Marina Bolado-Penagos, Sabine Sauvage, José M. Sánchez-Pérez, and Miguel Bruno

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Alcérreca-Huerta, J. C., Callejas-Jiménez, M. E., Carrillo, L., and Castillo, M. M.: Dam implications on salt-water intrusion and land use within a tropical estuarine environment of the Gulf of Mexico, Sci. Total Environ., 652, 1102–1112, https://doi.org/10.1016/j.scitotenv.2018.10.288, 2019. 
Algaba, M. H. P., Huyghe, W., van Leeuwen, K., Koop, S., and Eisenreich, S.: Assessment and Actions to Support Integrated Water Resources Management of Seville (Spain), Environ. Dev. Sustain., 26, 7347–7375, https://doi.org/10.1007/s10668-023-03011-8, 2024. 
Álvarez, O., Tejedor, B., and Vidal, J.: La dinámica de marea en el estuario del Guadalquivir: un caso peculiar de resonancia antrópica, Física de la Tierra, 11–24, 0214-4557, 2001. 
Baldó, F. and Drake, P.: A multivariate approach to the feeding habits of small fishes in the Guadalquivir Estuary, J. Fish Biol., 61, 21–32, https://doi.org/10.1111/j.1095-8649.2002.tb01758.x, 2002. 
Baldó, F., Cuesta, J. A., Fernández-Delgado, C., and Drake, P.: Efecto de la regulación del caudal del Río Guadalquivir sobre las características físico-químicas del agua y la macrofauna acuática de su estuario, Cienc. Mar., 31, 467–476, 2005. 
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The present study utilizes a 1D hydrodynamic model to examine the impact of anthropogenic pressures on saline intrusion in the Guadalquivir estuary. Water extraction by human activities has led to elevated salinity levels throughout the estuary, thereby disrupting its natural state. A more profound understanding of these effects is essential for the protection of the estuarine ecosystems.
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Oceanography at coastal scales: modelling, coupling, observations,...