Geofluids

Research Article

Analysis of Hydrogeochemical Characteristics of Tunnel Groundwater Based on Multivariate Statistical Technology

Table 3

Statistics of hydrochemical parameters (mg/L).


	pH	EC	TDS	HCO₃^-	SO₄^2-	Cl^-	NO₃^-	F^-	Ca²⁺	Mg²⁺	Na⁺	K⁺	NH₄⁺	Fe	Al

1-I	8.12	354.00	176.00	68.27	5.16	2.55	27.80	0.31	29.68	31.80	14.50	4.10	0.12	0.35	0.05
2-I	8.12	260.00	129.00	53.05	26.34	1.32	3.48	0.33	19.54	60.68	12.74	15.50	0.13	0.21	0.09
3-I	8.06	633.00	315.00	112.11	203.09	1.32	6.58	0.27	55.16	142.60	8.36	5.02	0.97	0.62	0.04
1-II	8.33	268.00	134.00	92.09	25.76	3.15	41.25	0.24	43.00	6.14	19.19	2.28	0.00	0.20	0.09
2-II	8.31	238.00	120.00	108.08	31.89	0.83	2.85	0.34	56.20	3.64	8.37	0.90	0.00	0.21	0.03
3-II	8.34	367.00	183.00	82.08	135.40	1.26	0.88	0.25	50.62	14.64	16.03	6.74	0.11	0.26	0.04
4-II	8.31	404.00	203.00	134.13	124.12	1.29	0.89	0.28	84.36	12.96	10.44	2.07	0.03	0.41	0.02
1-III	8.56	252.00	126.00	190.69	30.58	1.01	3.41	0.53	37.68	2.02	14.66	0.82	0.37	0.54	0.03
2-III	8.57	315.00	157.00	202.13	68.67	0.97	1.76	0.62	39.37	4.04	16.83	1.97	0.05	0.71	0.06
3-III	8.57	472.00	238.00	175.43	220.15	1.66	0.68	0.12	53.85	7.22	18.99	13.14	0.14	0.68	0.03
4-III	8.58	441.00	220.00	175.43	159.70	1.18	4.60	0.20	56.69	6.19	15.79	3.31	0.00	0.67	0.02
1-IV	8.57	305.00	152.00	122.04	56.30	4.09	41.78	2.56	36.69	4.05	33.34	9.84	0.00	0.46	0.06
2-IV	8.58	297.00	148.00	122.04	51.21	3.80	38.77	2.20	35.70	4.60	30.69	4.70	0.05	0.28	0.06
3-IV	8.58	293.00	145.00	122.04	51.62	3.91	38.67	2.17	37.90	4.54	32.04	5.17	0.00	0.43	0.07
4-IV	8.67	298.00	149.00	156.36	14.43	1.12	2.38	0.87	0.02	0.88	89.00	3.75	0.07	0.00	0.27
5-IV	8.67	294.00	147.00	183.06	14.47	1.22	1.59	0.81	0.00	0.53	90.68	1.09	0.05	0.00	0.05
6-IV	8.57	315.00	158.00	194.50	62.26	1.43	0.27	1.49	31.13	7.11	48.43	2.03	0.08	0.29	0.02
7-IV	8.61	298.00	149.00	160.18	66.19	1.42	0.74	1.46	25.15	6.86	47.95	3.18	0.00	0.24	0.05
8-IV	8.65	170.00	84.00	106.79	24.09	0.36	0.11	0.33	0.23	0.02	52.22	0.94	0.00	0.00	0.04
9-IV	8.64	290.00	144.00	91.53	76.48	0.97	1.57	2.46	0.85	0.12	83.37	3.44	0.00	0.00	0.28
10-IV	8.62	234.00	116.00	0.00	90.59	1.98	9.05	0.60	7.65	2.83	44.79	14.60	0.00	0.09	0.25
11-IV	8.56	476.00	240.00	221.20	162.81	1.85	4.65	0.20	75.34	6.49	16.47	3.63	0.00	1.08	0.01
12-IV	8.59	433.00	215.00	198.32	141.64	1.92	6.62	0.24	62.01	5.95	17.00	3.49	0.00	0.87	0.01
13-IV	8.58	419.00	209.00	179.25	139.84	1.97	6.06	0.24	67.54	5.99	17.86	3.93	0.00	0.56	0.02
1-V	8.69	213.00	156.00	190.69	57.54	1.12	1.61	0.50	62.90	3.82	13.07	1.38	0.00	0.40	0.01
2-V	8.65	383.00	191.00	202.13	97.13	1.89	0.64	0.11	70.51	7.58	14.04	2.95	0.00	0.53	0.02
3-V	8.63	381.00	191.00	217.38	94.90	1.95	0.41	0.12	70.89	7.54	13.25	2.43	0.01	0.51	0.02
4-V	8.62	400.00	200.00	217.38	100.10	1.97	0.47	0.13	72.13	7.60	13.93	2.43	0.00	0.81	0.02
5-V	8.63	386.00	193.00	163.99	129.53	1.59	1.17	0.13	55.96	6.19	18.30	12.70	0.00	0.65	0.09
6-V	8.60	419.00	210.00	205.94	131.90	1.77	4.37	0.16	78.28	6.12	13.64	3.89	0.00	0.55	0.02
7-V	8.60	458.00	229.00	205.94	151.62	1.54	3.24	0.11	84.14	6.36	11.52	3.02	0.00	0.97	0.00
8-V	8.60	385.00	192.00	171.62	123.51	2.04	4.48	0.22	73.58	6.04	14.65	2.83	0.00	0.49	0.01
9-V	8.09	403.00	201.00	198.32	123.57	1.85	4.58	0.22	71.67	5.90	14.43	3.38	0.00	0.50	0.01
10-V	8.60	408.00	204.00	186.87	122.01	1.98	4.82	0.23	60.44	5.51	13.69	3.27	0.00	0.76	0.02
S-II	8.09	205.00	102.00	85.69	1.23	0.40	2.27	0.22	25.78	18.48	3.84	2.60	0.08	0.24	0.01
S-III	8.32	188.00	94.00	100.10	9.78	0.64	2.71	0.25	51.30	2.06	2.51	0.74	0.00	0.17	0.05
S1-IV	8.59	204.00	101.00	152.55	14.39	0.45	2.10	0.07	46.65	1.91	2.59	0.89	0.00	0.43	0.01
S2-IV	8.59	197.00	98.00	152.55	14.24	0.46	1.55	0.05	51.53	2.02	2.72	0.88	0.00	0.43	0.01

Note: pH is dimensionless.