The supply of drinking water to populations is a global issue, all the more so in a context of climate change. Island populations are particularly vulnerable and appropriate management and monitoring of water resources is necessary to understand the past and better understand future developments. The islands located in subduction zones (sinking of a tectonic plate under another plate generally of lower density) are moreover exposed to major risks and in particular to the seismic risk, strong earthquakes being able to impact populations, infrastructures as well as the natural environment. In particular, it has been shown that seismicity can impact aquifers by modifying their permeability with possible consequences on the quantity and quality of water resources. In Martinique, a monitoring network was set up between 2003 and 2005 in about thirty boreholes in order to follow the evolution of the water table and the evolution trends of the groundwater resources.
The development of an automatic data analysis and signal processing methodology, using different automatic data classification approaches (recharge, discharge, stagnation, seismic, technical anomaly, etc.) should provide a better understanding of the functioning of the aquifer and a better prediction of its future evolution. There are many avenues for reflection: