Geofluids

Research Article

Nitrate Origin in the Zagreb Aquifer System

Table 3

Average values of parameters at observation wells.


Observation well/parameter	NO₃⁻ (mg/l)	Cl⁻ (mg/l)	Na⁺ (mg/l)	K⁺ (mg/l)	SO₄²⁻ (mg/l)	δ¹⁵N-NO₃⁻ (‰)	δ¹⁸O-NO₃⁻ (‰)	NO₃⁻/Cl⁻	NO₃⁻/Na⁺	NO₃⁻/K⁺	NO₃⁻/SO₄²⁻

A-2-1	11.51	19.69	5.26	1.34	18.11	9.92	−0.30	0.34	0.86	5.32	0.99
B-15	32.83	81.88	37.86	5.25	52.55	9.62	0.78	0.24	0.32	4.66	0.97
B-5	30.97	83.84	38.86	5.22	49.98	10.33	0.34	0.21	0.30	3.76	0.96
Čp-23	27.52	45.32	12.72	1.94	22.77	7.70	0.10	0.35	0.80	9.62	1.87
D-3	29.08	81.56	36.02	5.12	41.32	9.65	0.07	0.20	0.29	3.54	1.08
D-6	34.99	97.47	36.93	5.18	52.42	9.97	0.38	0.21	0.35	4.28	1.03
Lg-1	27.41	12.92	7.19	2.13	15.97	7.39	1.45	1.20	1.42	8.37	2.60
Mm-311	17.71	26.63	14.84	2.54	19.68	8.35	2.13	0.38	0.44	4.41	1.38
Mm-319	25.97	70.44	28.67	1.84	24.99	9.02	0.32	0.22	0.34	9.84	1.60
Mm-32	15.12	14.36	4.15	1.22	12.39	7.08	1.61	0.60	1.53	7.98	1.89
Mm-320	24.08	64.14	31.33	3.99	22.16	7.66	0.20	0.21	0.28	3.83	1.66
Mm-322	26.40	49.99	27.24	2.85	19.52	7.60	0.27	0.31	0.36	6.02	2.10
Mm-325	19.27	38.74	18.31	4.26	24.41	8.28	−0.20	0.28	0.39	2.87	1.21
Mm-330	13.62	34.24	19.43	3.09	28.12	8.51	2.01	0.23	0.26	2.87	0.75
Mm-333	22.96	84.86	47.04	5.09	23.28	8.48	0.24	0.16	0.18	2.91	1.54
Mm-49	24.95	61.83	28.18	4.66	29.13	9.04	0.30	0.23	0.33	3.61	1.30
Ph-12	24.61	72.15	37.07	5.65	37.54	9.58	0.01	0.20	0.25	2.79	1.02
Pzo-8	6.53	21.14	20.45	3.66	16.24	11.22	2.04	0.18	0.12	1.15	0.62
Sava	6.44	10.37	6.85	1.62	12.89	5.76	1.69	0.36	0.34	2.43	0.76
Sk-16/2	20.07	129.35	55.52	5.67	61.94	11.68	2.78	0.09	0.14	2.24	0.50
Sk-18	18.87	98.03	42.17	5.70	66.93	12.56	3.19	0.11	0.17	2.13	0.44
V-3	36.58	81.53	35.55	4.19	57.92	9.96	0.62	0.25	0.38	5.52	0.98
Vg-10/2	20.72	13.27	6.59	1.94	17.62	7.10	1.18	0.88	1.18	6.99	1.81
Vg-11	14.87	39.42	21.06	3.40	25.36	7.91	0.58	0.23	0.26	3.22	0.91
Vg-4	25.29	59.81	25.55	1.91	26.53	8.09	1.14	0.24	0.38	8.53	1.44
Vg-9	15.40	39.43	16.39	2.66	27.03	8.01	0.46	0.24	0.35	4.36	0.87
Z-10	11.13	29.71	22.40	2.74	22.51	9.27	1.59	0.23	0.22	2.69	0.78
Z-13	10.31	19.38	13.22	2.79	21.42	8.05	1.68	0.30	0.29	2.35	0.74
Z-4	22.11	120.24	48.37	5.29	76.51	12.40	2.71	0.10	0.17	2.66	0.45
Z-7	28.72	81.75	38.68	5.22	48.95	10.01	0.77	0.20	0.28	3.50	0.91
Ž-8	13.28	106.01	44.04	4.98	66.40	14.70	4.24	0.07	0.11	1.68	0.31