Fluoride in the Serra Geral Aquifer System: Source Evaluation Using Stable Isotopes and Principal Component Analysis
Figure 7
Hydrogeological spatial trends of δ 2H (a) and δ 18O (b), hydrochemical groups in the SGAS and major tectonic fault systems: , Mata-Jaguari, (2) Terra de Areia-Posadas, (3) Perimpo, and (4) Leao.
