Anomalous Fluctuation of Halogens in Relation to the Pollution Status along Lake Mariout, Egypt

Table 2

Distribution of the studied variables in surface water (w) and their chlorinity ratios along Lake Mariout.

Determined variables	Minimum	Site	Maximum	Site	Average	SD	Seawater^a	Lake Mariout^b,c,d
Physicochemical variables
Tw	13.7	10	15.34	11	17.59	1.34
Salinity (S‰w)	2.3	13	7.9	1	4.89	1.52
Chlorinity (Cl‰w)	2.05	13	7.1	1	4.38	1.37	18.98
TDSw (mg L^−1l)	2463.5	13	7683	1	4850.3	1528.74
Turbidity (NTU)	1.66	8	38.5	12	12.96	11.74
DOw (mg L^−1l)	0	6	12.41	2	6.05	4.83		2.14–5.63^d
pHw	7.44	13	8.99	2				7.10–8.60^d
CO3w (mg L^−1)	1.2	1 & 2	115.2	3	31	38.8
HCO3w (mg L^−1)	78.08	3	190.32	12	114.7	32.1
Bw (mg L^−1)	0.5	7	16.61	1	6.91	4.11	4.5
Pw (μg L^−1)	0.03	8	1.26	5	0.29	0.33
Siw (μg L^−1)	0.09	12	6.99	4	3.17	1.91
Caw (mg L^−1)	60.92	12	352.7	8	177.03	73.5	400	54.9, 81.8–146.4^d
Mgw (mg L^−1)	97.25	3	666.15	1	286.84	160.02	1272	120.1
Naw (mg L^−1)	231	11	1420	1	1011.15	297.2	10556	1033.2
Kw (mg L^−1)	8	11	59	1	37.69	12.3	380	58.5
Liw(mg L^−1)	0.139	11	0.17	1	0.154	0.01	0.17
SO4w (mg L^−1)	19.78	12	341.11	9	168.56	94.88	2649	424.5
Cuw (μg L^−1)	2.04	3	6.21	7	3.17	1.13	7
Mnw (μg L^−1)	0.01	8 &13	19.8	3	3.15	5.54	10
Few (μg L^−1)	0.09	9	13.92	13	6.9	4.19	40
Znw (μg L^−1)	5.27	2	23.67	5	10.85	5.78	20
Fw (mg L^−1)	0.15	11	3.96	12	2.04	1.17	1.3
Clw (mg L^−1)	2048	13	7284	1	4397	1400	18980
Brw (mg L^−1)	5.06	12&13	54.1	5	18.13	18.91	65	5.92
Iw (μg L^−1)	5.66	10	54.1	4	11.08	12.96	60
Ion chlorinity ratio
Caw/Clw	1.70E − 02	12	1.00E − 01	13	4.40E − 02	2.40E − 02	2.13E − 02	3.35E − 02
Mgw/Clw	2.50E − 02	3	1.10E − 01	13	6.40E − 02	2.30E − 02	6.69E − 02	7.33E − 02
Naw/Clw	6.50E − 02	11	3.80E − 01	13	2.40E − 01	7.20E − 02	5.60E − 01	6.35E − 01
Kw/Clw	2.20E − 03	11	1.50E − 02	13	8.90E − 03	2.90E − 03	2.10E − 02	3.60E − 02
Liw/Clw	2.40E − 05	1	7.00E − 05	13	3.80E − 05	1.10E − 05	9.39E − 06
SO4w/Clw	5.40E − 03	12	1.10E − 01	13	4.20E − 02	3.10E − 02	1.40E − 01	2.60E − 01
Bw/Clw	9.78E − 05	7	3.32E − 03	9	6.70E − 03	1.70E − 03	8.95E − 04
Fw/Clw	4.30E − 05	11	1.40E − 03	13	5.40E − 04	4.20E − 04	6.70E − 05
Brw/Clw	1.40E − 03	12	1.60E − 02	9	4.40E − 03	5.00E − 03	3.50E − 03	3.60E − 05
Iw/Clw	9.40E − 04	1	1.60E − 02	4	3.00E − 03	4.00E − 03

^a[51]; ^b and ^c[52, 53]; ^d[54].