Water type | Year | Chloride | Chloride-sulfate | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Lake N | 41 | 42 | 45 | 46 | 43 | 44 | 47 | 48 | 49 | 50 | 51 | ||
Parameter | Error | ||||||||||||
pH | ±0.05 | 2008 | 7.9 | 7.5 | 7.7 | 8.7 | 8.0 | 8.0 | 7.9 | 8.0 | 8.0 | 7.7 | 8.0 |
2009 | 8.1 | 7.7 | 7.7 | 8.7 | 7.9 | 8.3 | 9.2 | 8.0 | n.d. | n.d. | 8.0 | ||
Eh (mV) | ±20 mV | 2008 | 360 | 280 | n.d. | 320 | 100 | 320 | 260 | 290 | 290 | 270 | 310 |
2009 | 340 | 130 | 330 | 380 | 170 | 420 | 320 | 320 | n.d. | n.d. | 120 | ||
Salinity (g L−1) | ±10 % | 2008 | 150 | 290 | 210 | 12 | 4.3 | 74 | 240 | 230 | 230 | 250 | 230 |
2009 | 170 | 280 | 290 | 16 | 4.3 | 43 | 99 | 190 | n.d. | n.d. | 130 | ||
Cl− (g L−1) | ±5 % | 2008 | 80 | 140 | 110 | 5.6 | 1.2 | 31 | 96 | 71 | 84 | 100 | 82 |
2009 | 100 | 170 | 140 | 7.5 | 0.6 | 25 | 64 | 96 | n.d. | n.d. | 52 | ||
SO4 2−(g L−1) | ±10 % | 2008 | 19 | 40 | 30 | 1.5 | 1.2 | 20 | 65 | 82 | 66 | 68 | 80 |
2009 | 9.9 | 39 | 30 | 1.9 | 2.1 | 3.6 | 4.5 | 37 | n.d. | n.d. | 36 | ||
NO3 −(mg L−1) | ±30 % | 2008 | 130 | 380 | 330 | 31 | 4.0 | 86 | 330 | 380 | 380 | 610 | 460 |
2009 | 990 | 1500 | 1500 | 2.2 | 1.8 | 170 | 730 | 1100 | n.d. | n.d. | 580 | ||
НCO3 − (mg L−1) | ±30 % | 2008 | 450 | 290 | 260 | 500 | 340 | 150 | 360 | 320 | 330 | 460 | 400 |
2009 | 480 | 340 | 530 | 800 | 380 | 350 | 150 | 580 | n.d. | n.d. | 600 | ||
Na+ (g L−1) | ±10 % | 2008 | 39 | 8.0 | 59 | 4.0 | 1.1 | 19 | 6.0 | 63 | 65 | 63 | 60 |
2009 | 37 | 55 | 79 | 3.8 | 0.9 | 11 | 24 | 43 | n.d. | n.d. | 3.0 | ||
K+ (mg L−1) | ±30 % | 2008 | 150 | 270 | 200 | 96 | 8.4 | 100 | 150 | 140 | 130 | 220 | 220 |
2009 | 160 | 330 | 220 | 120 | 13 | 76 | 350 | 160 | n.d. | n.d. | 160 | ||
Mg2+ (g L−1) | ±10 % | 2008 | 11 | 20 | 10 | 1.0 | 0.3 | 4.0 | 11 | 14 | 14 | 17 | 11 |
2009 | 10 | 13 | 11 | 0.9 | 0.3 | 2.5 | 4.5 | 11 | n.d. | n.d. | 5.8 | ||
Ca2+ (mg L−1) | ±30 % | 2008 | 440 | 300 | 230 | 32 | 110 | 350 | 67 | 390 | 220 | 250 | 330 |
2009 | 613 | 500 | 630 | 45 | 98 | 350 | 1600 | 530 | n.d. | n.d. | 660 | ||
Mg/Na-ratio | - | 2008 | 0.28 | 0.22 | 0.17 | 0.25 | 0.23 | 0.21 | 0.16 | 0.22 | 0.22 | 0.27 | 0.18 |
2009 | 0.27 | 0.22 | 0.15 | 0.23 | 0.28 | 0.22 | 0.19 | 0.25 | n.d. | n.d. | 0.16 |