2026-05-29T22:34:41Zhttps://riuma.uma.es/rest/oai/request

oai:riuma.uma.es:10630/336852026-02-23T10:28:24Zcom_10630_2254col_10630_37953

00925njm 22002777a 4500 dc Mudarra-Martínez, Matías author Andreo-Navarro, Bartolomé author Marín-Guerrero, Ana Isabel author Vadillo-Pérez, Iñaki author Barberá-Fornell, Juan Antonio author Marín-Guerrero, Ana Isabel author 2014-03-28 Analysis of natural responses of karst springs provides information on the behavior of the aquifers they drain. Detailed monitoring and qualitative and quantitative analyses of natural responses, and environmental—total organic carbon (TOC), NO3 −, Cl− and intrinsic fluorescence—and artificial (fluorescent dye) tracers, in the water drained by Villanueva del Rosario spring (southern Spain), suggest the existence of a conduit flow system with rapid flows and very short transit times of water through the aquifer. This is in agreement with uranine and eosin breakthrough curves and with simple numerical models done using these data. However, due to the low capacity for natural regulation, not all the recharge effects are simultaneously transmitted to the spring water; given a single input, the system modulates and transfers hydrodynamic variations faster than variations of chemical composition and of water temperature. Additionally, time lags between maximum concentrations of natural and artificial tracers show that the global system response (including diffuse infiltration) is faster and more sensitive than that produced from infiltration concentrated at a single point on the surface (sinkholes). Mudarra, M., Andreo, B., Marín, A.I. et al. Combined use of natural and artificial tracers to determine the hydrogeological functioning of a karst aquifer: the Villanueva del Rosario system (Andalusia, southern Spain). Hydrogeol J 22, 1027–1039 (2014). https://doi.org/10.1007/s10040-014-1117-1 https://hdl.handle.net/10630/33685 10.1007/s10040-014-1117-1 Hidrología Geografía física Medio ambiente Combined use of natural and artificial tracers to determine the hydrogeological functioning of a karst aquifer: the Villanueva del Rosario system (Andalusia, southern Spain)