Geofluids

Research Article

Application of Clustering and Stepwise Discriminant Analysis Based on Hydrochemical Characteristics in Determining the Source of Mine Water Inrush

Table 1

Forty groups of water chemistry data.


No.	Na⁺+ K⁺	Ca²⁺	Mg²⁺	Cl^-	SO₄^2-	HCO₃^-	TH	TA	TDS	PH	Aquifer

1	180.44	3.95	3.58	107.95	5.14	265.93	24.62	261.71	480.00	8.3	I
2	352.91	4.69	4.27	204.86	44.45	495.48	29.27	470.38	1130.00	8.5	I
3	399.51	13.91	6.74	387.96	42.81	354.58	62.50	342.22	1067.00	8.3	I
4	176.85	11.84	8.37	110.22	44.03	273.98	64.05	249.40	530.00	8.0	II
5	209.53	103.56	45.12	213.38	214.93	466.98	444.92	389.48	1041.90	7.1	III
6	660.33	10.72	8.20	626.70	168.76	494.48	60.55	441.10	1774.00	8.3	I
7	819.74	9.88	12.47	1223.60	323.90	455.90	106.18	433.20	2995.00	8.3	I
8	1095.10	24.25	11.08	729.02	248.61	581.32	76.01	575.61	2139.00	8.1	I
9	943.76	68.40	26.86	1095.64	552.37	267.76	281.37	219.58	2749.00	7.8	I
10	1218.24	31.40	8.19	1274.71	523.56	484.84	112.14	425.29	3257.00	8.0	I
11	1076.94	21.86	34.46	1386.83	79.62	435.24	196.47	356.92	2840.17	7.9	II
12	478.43	607.44	123.04	511.77	2071.69	157.61	2026.45	129.27	3893.36	7.7	III
13	355.10	507.69	189.61	958.15	1321.24	106.36	2048.50	92.67	3512.00	7.8	III
14	2251.10	200.46	68.09	2957.06	1249.21	267.76	780.92	219.58	7104.00	7.5	I
15	2279.30	216.67	65.69	3009.71	1295.72	238.77	810.55	195.81	7164.00	7.8	I
16	2192.80	114.85	41.92	3470.28	59.68	344.95	459.42	282.88	6025.00	7.2	II
17	1541.09	89.42	59.28	2511.03	14.41	340.13	467.37	278.92	4528.00	7.5	II
18	1720.31	71.82	60.48	2720.13	20.99	385.95	428.39	316.50	4717.00	7.5	II
19	1560.05	78.26	44.74	2552.62	18.56	256.14	379.64	210.05	4401.52	7.5	II
20	1965.63	61.13	26.09	2930.70	1.10	485.56	260.10	398.24	5250.80	8.2	II
21	1985.13	178.44	89.16	3419.12	20.99	369.05	812.70	302.64	6018.00	7.4	II
22	2182.96	338.05	143.86	4233.76	38.69	238.77	1436.50	195.81	6862.00	7.3	II
23	1962.73	298.52	160.64	3904.72	14.41	241.67	1406.87	176.04	6518.00	7.1	II
24	958.87	681.82	176.16	2133.32	1600.27	219.54	2427.85	180.04	5769.68	7.2	III
25	1002.18	954.15	230.72	2486.43	1839.1	187.26	3332.50	153.56	6699.86	7.5	III
26	1185.44	890.44	156.55	1531.43	2030.21	173.88	2880.71	145.00	5433.13	7.0	III
27	2380.64	1294.90	337.36	5192.62	2263.80	166.46	4615.59	136.51	11790.00	7.2	III
28	2406.67	1200.02	291.58	4851.57	2346.12	195.39	4191.05	160.20	10720.00	7.2	III
29	2216.74	478.86	306.04	4067.13	1368.57	190.57	2455.91	156.27	8916.00	7.2	II
30	2164.32	459.00	195.19	3845.45	1034.35	205.03	1949.86	168.13	8022.00	6.6	II
31	2016.16	298.52	129.47	3746.78	158.05	287.04	1278.52	235.39	6604.00	7.3	Uncertain
32	2496.29	514.34	175.74	4650.03	1073.18	170.53	2008.16	139.86	9017.23	7.2	Uncertain
33	2394.41	406.56	153.68	4033.88	676.85	190.20	1648.10	156.00	7780.25	6.9	Uncertain
34	2501.58	540.64	246.78	4540.86	1084.15	185.74	2366.19	152.32	8835.00	6.9	Uncertain
35	2352.23	512.70	241.95	4365.36	1089.51	185.74	2276.52	152.32	8671.00	7.1	Uncertain
36	2384.07	583.20	280.52	4804.09	891.94	185.74	2611.39	152.32	9197.00	7.2	Uncertain
37	2272.06	531.80	210.98	4760.24	325.99	161.64	2196.71	132.56	8302.00	7.2	Uncertain
38	2405.52	429.00	210.98	4518.95	637.16	205.03	1940.00	168.13	8482.00	7.1	Uncertain
39	2692.93	617.95	202.42	4169.45	2114.39	229.13	2376.55	187.90	9501.00	7.5	Uncertain
40	2282.20	43.49	309.77	4167.90	263.42	262.94	1384.16	215.62	7279.00	7.0	Uncertain

unit: mg/L, PH without unit.