Table 6 Verification of the sedimentation volume in typical reaches of the trunk stream in the TGR area from 2008 to 2017 (based on the cross-section).
Segment | River length (km) | Measured (104 m3) | Calculated (104 m3) | Absolute error (104 m3) | Relative error (%) |
|---|---|---|---|---|---|
Luoqi segment | 30.0 | − 1448.6 | − 1509.441 | − 60.841 | 4.2 |
Qingyanzi segment | 15.0 | − 1270.55 | − 1350.595 | − 80.045 | 6.3 |
Tunaozi segment | 3.0 | 1168.3 | 1220.874 | 52.574 | 4.5 |
Fengweiba segment | 5.46 | 2008.9 | 2105.327 | 96.427 | 4.8 |
Lanzhuba segment | 6.08 | 3263.1 | 3181.523 | − 81.578 | − 2.5 |
Huanghuacheng segment | 5.1 | 6054.8 | 6169.841 | 115.041 | 1.9 |
