Acknowledgments
This work has been financed by the CLIGRO Project (MICINN,
CGL2016-77473-C3-1-R) of the Spanish National Plan for Scientific and
Technical Research and Innovation. The infrastructure has been
co-financed by European Research Funds (SE Scientific Infrastructures
and Techniques and Equipment 388 2013, IGME13-1E-2113). We are
especially grateful for the technical support of Antonio Nicolas
Martinez Sanchez de la Nieta, Lidia Molano Leno and Daniel Jesus
Martinez Suárez. The contracts of Lidia Molano Leno (PEJ-2014-A-68763)
and Daniel Jesus Martinez Suárez (PTA2014-09579-I) were financed by the
Ministry of Economy, Industry and Competitiveness of Spain (MINECO) and
co-financed by the European Investment Bank (EIB) and the European
Social Fund (ESF). This work is also a contribution to the Andalusian
research group RNM-308 (Group of Hydrogeology).