Table 1 Mean annual DOC concentrations/yields and the environmental metrics of each sampling sites.
From: Unusual Roles of Discharge, Slope and SOC in DOC Transport in Small Mountainous Rivers, Taiwan
Site | DOC conc. (mg L−1) | DOC yield (kg-C ha−1 yr−1) | Area (km2) | Mean annual Temp. (°C) | Mean annual runoff (mm yr−1) | Mean daily discharge (m3 s−1) | Mean surface slope (radian) | SOC (kg-C m−3) |
|---|---|---|---|---|---|---|---|---|
C1 | 0.71 ± 0.17 | 28.62 ± 9.46 | 105.0 | 10.3 ± 0.2 | 3,447 ± 24 | 11.47 ± 29.39 | 0.59 ± 0.18 | 19.6 ± 1.5 |
C2 | 0.97 ± 0.30 | 26.41 ± 9.31 | 31.0 | 11.8 ± 0.2 | 2,628 ± 24 | 2.58 ± 8.67 | 0.52 ± 0.16 | 20.2 ± 0.1 |
C3 | 0.67 ± 0.15 | 25.71 ± 5.03 | 21.1 | 10.1 ± 0.2 | 3,544 ± 23 | 2.36 ± 5.63 | 0.64 ± 0.17 | 18.3 ± 1.3 |
L1 | 0.70 ± 0.17 | 11.13 ± 3.59 | 607.4 | 13.1 ± 0.4 | 1,737 ± 6 | 33.45 ± 42.83 | 0.66 ± 0.19 | 13.6 ± 2.4 |
L2 | 0.78 ± 0.20 | 12.49 ± 1.74 | 61.6 | 14.9 ± 0.4 | 1,737 ± 6 | 3.39 ± 4.34 | 0.70 ± 0.20 | 11.7 ± 0.9 |
B1 | 0.79 ± 0.25 | 27.96 ± 0.85 | 110.4 | 19.4 ± 0.6 | 3,782 ± 14 | 13.22 ± 18.73 | 0.39 ± 0.16 | 21.3 ± 2.4 |
B2 | 0.78 ± 0.19 | 29.02 ± 2.18 | 78.8 | 19.0 ± 1.0 | 3,835 ± 18 | 9.57 ± ± 16.53 | 0.45 ± 0.15 | 20.0 ± 1.9 |
B3 | 0.83 ± 0.19 | 18.78 ± 2.90 | 22.4 | 19.6 ± 1.0 | 2,340 ± 15 | 1.66 ± 3.96 | 0.42 ± 0.14 | 22.3 ± 0.8 |
Average | 0.78 ± 0.09 | 22.51 ± 7.36 | 129.7 | 14.8 ± 4.1 | 2,881 ± 882 | 9.71 ± 10.61 | 0.55 ± 0.12 | 18.4 ± 3.8 |