We provide below the data set used by Hoffmann et al. (2021) acquired at the Mons 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


Continuous heat injection

Link to the temperature data for the continuous heat injection.

Uranine Pulse injections

Link to the data for the Uranine Pulse injections.



Hoffmann et al., 2021, Differentiated influence of the double porosity of the chalk on solute and heat transport. Geological Society of London, chapter for "Hydrogeology of the chalk" Massei N. & R. Farrell (Eds).