Hydrocarbons Migration through Groundwater Convergence toward Saline Depressions: A Case Study, Sidi El Hani Discharge Playa, Tunisian Sahel

Table 2

Coefficient of correlations of chemical elements with the first two factors of the principal component analysis.

	Factor 1	Factor 2
Al	−0.513660	−0.568188
Ca	−0.339586	−0.395070
Fe	−0.552638	−0.280840
Mg	0.299645	−0.675830
SO4	0.810643	−0.043908
V	−0.593311	−0.245553
Zn	−0.526560	−0.241687
Ba	−0.809000	0.425156
Co	0.005683	−0.322803
Cr	−0.355922	0.800061
Cu	0.227554	−0.253303
K	−0.520373	−0.550914
Mn	−0.636364	0.195458
Ni	−0.497073	−0.656034
Sr	0.524855	−0.697106
NaOH	0.250498	−0.201187