The use of environmental tracers that are relevant for groundwater and surface water interactions constitutes a powerful tool for understanding the source, flow and mixing dynamics of water resource systems through their imprint on the system.
Tracers were used to quantify rechages of SAS (Saharian System Acquifer) al almost fossil acquifer.
Informations about SAS are provided in our two books:
Book National Water Security, Case Study of an Arid Country: Tunisia
(6) Sécurité Hydrique de la Tunisie, Gérer l'eau en conditions de pénurie | Request PDF (researchgate.net)
We are allowed to communicate copies of the book in french in the scientific sphere, just request on my RG page. Unfortunately, we are not allowed to do so with the English book
More resources on water resources in the arid zone can be found on the following projects referenes: