Table 1 The values of DEM elevation and GE elevation in three groups in Poyang Lake.
Group | No. of sample spots | Average Elevation (m) | Absolute Error (m) | |||
|---|---|---|---|---|---|---|
DEM | GE | Mean | SD | CV(%) | ||
1 | 5029 | 12.77 | 13.53 | 1.47 | 1.11 | 75.51 |
2 | 5024 | 12.77 | 13.57 | 1.48 | 1.12 | 75.68 |
3 | 5033 | 12.82 | 13.60 | 1.46 | 1.08 | 73.97 |
Total | 15086 | 12.79 | 13.57 | 1.47 | 1.10 | 74.83 |