Table 4 Accuracy assessment based on statistical yearbook of Yancheng, Jiangsu.
Statistical data (km2) | Model data (km2) | Error (%) | Overall accuracy (%) | |
|---|---|---|---|---|
Tinghu | 151.57 | 142.36 | 6.08 | 93.92 |
Yandu | 295.85 | 274.07 | 7.36 | 92.64 |
Dafeng | 576.19 | 539.07 | 6.44 | 93.56 |
Xiangshui | 356.28 | 336.03 | 5.68 | 94.32 |
Binhai | 545.97 | 572.62 | 4.88 | 95.12 |
Funing | 541.17 | 505.32 | 6.62 | 93.38 |
Sheyang | 696.05 | 658.80 | 5.35 | 94.65 |
Jianhu | 401.60 | 375.45 | 6.51 | 93.49 |
Dongtai | 560.08 | 511.52 | 8.67 | 91.33 |
Kaifaqu | 39.13 | 36.93 | 5.62 | 94.38 |
Total | 4163.88 | 3952.18 | 5.08 | 94.92 |
