DEM Resolution Impact on the Estimation of the Physical Characteristics of Watersheds by Using SWAT

<table class="table-group" id="tab7"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left">DEM</td><td class="align_center">Area (km<sup>2</sup>)</td><td class="align_center">Area slope</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">LDD</td><td class="align_center">625.43</td><td class="align_center">2.67</td></tr><tr><td class="align_left">ASTER</td><td class="align_center">613.79</td><td class="align_center">3.86</td></tr><tr><td class="align_left">SRTM</td><td class="align_center">594.87</td><td class="align_center">1.48</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Size of area extracted from DEM of Huai-Sai-Bath subbasin.

Advances in Civil Engineering

tab7

Table 7

Table 7: DEM Resolution Impact on the Estimation of the Physical Characteristics of Watersheds by Using SWAT 