We provide below the data set used by Molron et al. (2021) published in Engineering Geology (DOI) and acquired at the Aspo site, within the Enigma project that is coordinated by the French network of hydrogeological observatories H+ (

The data may be downloaded from the links below by creating a login and a password on the H+ database at

Visualization of the geophysical cross-sections can be realized using the Google Earth module accessible here.



Ground-penetrating radar data.

Tracer information

Uranine and electrical conductivity data.

Hydraulic information

Pressure and pumping rate data.