Research Article
DEM Resolution Impact on the Estimation of the Physical Characteristics of Watersheds by Using SWAT
Table 12
Slopes of main streams extracted from LDD DEM, ASTER DEM, and SRTM DEM.
| Watershed | LDD DEM | ASTER DEM | SRTM DEM |
| Huai-Sai-Khaw (small mountainous area) | 0.898 | 0.872 | 0.844 | Huai-Por-Phan (small flat area) | 0.290 | 0.316 | 0.297 | Huai-Sai-Bath (medium flat area) | 0.098 | 0.146 | 0.108 |
Nam-Yang (large flat area) | 0.049 | 0.017 | 0.073 |
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