Na+ (mg/kg)

K+ (mg/kg)

Ca2+ (mg/kg)

Mg2+ (mg/kg)

Cl (mg/kg)

SO42- (mg/kg)

Spring, SS1

4.96 ± 0.01

4.17 ± 0.01

37.69 ± 0.02

13.06 ± 0.04

64.34 ± 0.02

296.62 ± 0.04

Spring, SS2

6.09 ± 0.01

5.41 ± 0.01

72.15 ± 0.26

17.83 ± 0.01

117.82 ± 0.70

537.42 ± 0.10

Summer, SS1

4.87 ± 0.01

4.34 ± 0.01

50.04 ± 0.02

14.48 ± 0.03

64.66 ± 0.02

554.17 ± 0.03

Summer, SS2

5.54 ± 0.01

5.98 ± 0.01

76.34 ± 0.79

19.41 ± 0.04

103.95 ± 0.18

386.02 ± 0.12

Autumn, SS1

4.91 ± 0.01

5.57 ± 0.03

49.19 ± 0.12

18.73 ± 0.02

70.17 ± 0.01

431.68 ± 0.02

Autumn, SS2

6.33 ± 0.01

5.86 ± 0.01

70.98 ± 0.02

18.95 ± 0.03

109.87 ± 0.09

589.16 ± 0.03

Winter, SS1

3.39 ± 0.01

5.56 ± 0.01

57.28 ± 0.02

16.33 ± 0.02

35.35 ± 0.02

450.01 ± 0.03

Winter, SS2

3.62 ± 0.02

5.02 ± 0.02

51.26 ± 0.73

16.32 ± 0.02

51.16 ± 0.04

428.55 ± 0.07