Hydrological regime and modeling of three ponds of the Mediterranean area (south of Córdoba, Spain)
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In this investigation, hydrological time series of three ponds located in the province of Córdoba (southern Spain) at a daily scale has been analyzed. For the first time, a detailed evolution of the water level of Jarales, Conde, and Amarga ponds has been acquired by means of the installation of level loggers in the deepest point of each of the ponds. We have modeled the water level evolution using a simple one-dimensional model. Calibration of the model was very satisfactory in two of the ponds. The model was then setup and simulated for two future Scenarios: A (IPCC climate change scenario) and B (climate change + groundwater withdrawal within the basin). Two ponds were classified as discharge ponds, which are the hydrological regime of the majority of southern Spain’s continental ponds. One was classified as a recharge pond. With regard to the results obtained in the simulations for Scenarios A and B, our results showed that IPCC scenario will reduce hydroperiod significantly in the three ponds, with a reduction of approximately 500 cm in the water level. With respect to groundwater withdrawal within the basins, results show a very high impact in the hydroperiod in Amarga and Conde ponds.
KeywordsWater level simulation Ephemeral ponds Hydrological impacts
This study was partially financed by project OROARC (Spanish Ministry of Research, 2013–2016. CGL2013-46368P) and project CHG-LAGMOD (Guadalquivir River Basin Authority, 2012). The elaboration of Fig. 1 was carried out by the technician J. M. Bruque Carmona (University Pablo de Olavide).
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