Multivariate Analysis of Confined Groundwater Hydrochemistry of a Long-Exploited Sedimentary Basin in Northwest China

Table 3

Schoeller index values of all samples.

Sample number	C01	C02	C03	C04	C05	C06	C07	C08
CAI-I	−0.92	−0.94	−0.20	−0.06	−1.09	−1.06	−0.65	−1.21
CAI-II	−0.43	−0.43	−0.16	−0.02	−0.22	−0.15	−0.09	−0.15
Sample number	C09	C10	C11	C12	C13	C14	C15	C16
CAI-I	−0.82	−0.31	−0.62	−1.35	−0.78	−1.21	−1.30	−1.01
CAI-II	−0.11	−0.08	−0.11	−0.19	−0.10	−0.14	−0.16	−0.13
Sample number	C17	C18	C19	C20	C21	C22	C23	C24
CAI-I	−2.14	−0.68	−0.84	−1.62	−3.64	−1.33	−1.60	−2.85
CAI-II	−0.21	−0.39	−0.28	−0.42	−0.48	−0.40	−0.38	−0.28
Sample number	C25	C26	C27	C28	C29	C30	C32	C33
CAI-I	−3.58	−0.78	−0.74	−0.80	−0.44	−1.00	−0.01	−0.51
CAI-II	−0.39	−0.16	−0.21	−0.16	−0.12	−0.31	−0.02	−0.09