Research Article
DEM Resolution Impact on the Estimation of the Physical Characteristics of Watersheds by Using SWAT
Table 11
Difference in stream lengths extracted from LDD DEM, ASTER DEM, and SRTM DEM.
| Watersheds | ASTER versus LDD | SRTM versus LDD |
| Huai-Sai-Khaw (small mountainous area) | 0.28% | 8.80% | Huai-Por-Phan (small flat area) | 4.32% | 1.78% | Huai-Sai-Bath (medium flat area) | 5.82% | 21.32% |
Nam-Yang (large flat area) | 16.73% | 25.13% |
|
|