Table 2 Contributions from different inputs to cation contents in water samples from the Bishuiyan Basin.
Atmospheric input | Silicate weathering | Carbonate weathering | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
R1 | R2 | R3 | G1 | G2 | R1 | R2 | R3 | G1 | G2 | R1 | R2 | R3 | G1 | G2 | ||
K (%) | Min | 34.89 | 26.7 | 30.5 | 8.68 | 26.0 | 44.5 | 50.5 | 53.6 | 55.1 | 46.1 | – | – | – | – | – |
Max | 55.51 | 49.5 | 46.4 | 44.9 | 53.9 | 65.1 | 73.3 | 69.5 | 91.3 | 74.0 | – | – | – | – | – | |
Average | 47.67 | 38.3 | 37.80 | 34.3 | 37.72 | 52.3 | 61.7 | 62.2 | 65.7 | 62.3 | – | – | – | – | – | |
Na (%) | Min | 6.12 | 5.34 | 7.05 | 6.26 | 5.92 | 90.6 | 91.3 | 88.8 | 89.2 | 90.7 | – | – | – | – | – |
Max | 9.40 | 8.70 | 11.18 | 10.81 | 9.26 | 93.9 | 94.7 | 93.0 | 93.7 | 94.1 | – | – | – | – | – | |
Average | 7.73 | 6.77 | 9.34 | 7.76 | 7.56 | 92.3 | 93.2 | 90.7 | 92.2 | 92.4 | – | – | – | – | – | |
Ca (%) | Min | 26.3 | 23.1 | 5.55 | 4.94 | 4.95 | 21.6 | 19.1 | 2.97 | 2.32 | 2.81 | 0.48 | 23.8 | 85.2 | 90.0 | 82.0 |
Max | 66.0 | 46.2 | 11.0 | 6.30 | 12.0 | 42.6 | 38.2 | 4.94 | 4.79 | 8.58 | 56.7 | 61.9 | 92.1 | 93.2 | 92.8 | |
Average | 44.4 | 35.3 | 7.20 | 5.60 | 9.37 | 30.1 | 27.8 | 3.99 | 3.91 | 6.67 | 32.0 | 42.8 | 89.7 | 91.3 | 85.4 | |
Mg (%) | Min | 4.34 | 5.47 | 0.56 | 1.05 | 1.30 | 29.4 | 24.6 | 2.80 | 4.86 | 9.02 | 1.36 | 9.66 | 95.4 | 89.7 | 86.8 |
Max | 21.1 | 14.9 | 1.13 | 1.67 | 2.39 | 118 | 86.5 | 4.22 | 10.4 | 13.7 | 71.1 | 70.8 | 97.0 | 94.7 | 90.9 | |
Average | 12.6 | 9.77 | 0.74 | 1.22 | 1.97 | 68.9 | 52.1 | 3.37 | 6.95 | 11.3 | 32.3 | 35.8 | 96.4 | 93.0 | 88.6 | |
TZ + (%) | Min | 19.5 | 19.7 | 4.26 | 4.53 | 4.94 | 28.4 | 28.7 | 4.25 | 3.90 | 4.84 | 3.17 | 18.5 | 85.3 | 83.9 | 77.9 |
Max | 45.3 | 35.9 | 7.94 | 5.58 | 10.1 | 50.5 | 47.8 | 6.60 | 10.4 | 13.0 | 51.7 | 51.1 | 91.2 | 91.4 | 90.1 | |
Average | 33.2 | 26.9 | 5.26 | 4.93 | 7.99 | 38.9 | 37.5 | 5.29 | 6.45 | 10.1 | 27.3 | 35.0 | 89.3 | 88.5 | 81.7 | |
