Sources Identification of Nitrogen Using Major Ions and Isotopic Tracers in Shenyang, China

Table 2

Statistical summary of hydrochemical data in the Shenyang areas, March 2011. All units are in mg·L⁻¹, except for electrical conductivity (EC, μS·cm⁻¹).

Parameter	Groundwater						The Hun River
	Southern side			Northern side
	Mean	Max	Min	Mean	Max	Min	Mean	Max	Min
pH	7.08	7.41	6.45	6.44	6.85	5.94	7.60	8.20	7.14
EC	628.86	1035.00	511.50	1170.53	1783.00	650.60	1231.90	1652.00	877.20
Ca	61.79	111.00	34.00	4.13	9.00	1.50	81.81	91.00	70.00
Mg	19.16	35.00	1.00	41.53	85.00	18.00	25.54	32.00	20.00
Na	48.09	70.83	29.92	71.13	113.90	33.43	110.84	182.20	50.69
K	3.66	5.86	2.49	4.04	6.92	2.24	7.22	8.48	4.20
Fe	1.13	5.16	0.06	2.62	23.86	0.13	1.59	4.93	0.99
Mn	1.25	2.46	0.15	2.00	4.04	0.21	0.45	2.29	0.45
NH4-N	2.55	12.11	0.03	0.14	0.68	0.03	12.12	19.00	6.09
Cl	55.58	83.00	30.00	126.73	204.00	53.00	175.18	271.00	102.00
HCO3	189.77	259.16	98.13	153.97	236.47	70.45	201.29	228.97	178.65
NO3-N	9.11	76.27	0.71	137.73	401.02	13.55	2.70	5.61	1.20
SO4	86.96	55.69	154.47	147.86	201.07	75.98	122.70	150.03	96.39