Research Article
Fluoride in the Serra Geral Aquifer System: Source Evaluation Using Stable Isotopes and Principal Component Analysis
Table 2
Cluster central scores, dominant components and hydrochemical groups. Data from [
21].
| Component | Cluster | | | | | | | | | |
| CaMg | 1.614 | −0.613 | −0.228 | 0.511 | −0.152 | −0.724 | 2.042 | −0.722 | −1.720 | SO4 | 0.987 | 4.411 | −0.377 | −1.198 | −0.113 | 9.303 | −0.236 | −0.260 | −0.348 | Na | −0.892 | 3.032 | −0.881 | −0.667 | −0.305 | −0.845 | 1.092 | 1.653 | 2.691 | F | −0.330 | −1.357 | 1.244 | 6.986 | −0.250 | 2.849 | 0.285 | −0.034 | 4.786 | Cases | 22 | 2 | 19 | 3 | 212 | 2 | 11 | 36 | 2 |
| Hydrochemical group | CaMg | SO4Na | F | F | Meteoric | SO4F | CaMg | Na | NaF |
|
|