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

<table class="table-group" id="tab5"><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">6.38</td><td class="align_center">2.53</td></tr><tr><td class="align_left">ASTER</td><td class="align_center">6.55</td><td class="align_center">2.88</td></tr><tr><td class="align_left">SRTM</td><td class="align_center">6.02</td><td class="align_center">1.58</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Size of area extracted from DEMs of Huai-Por-Phan watershed.

Advances in Civil Engineering

tab5

Table 5

Table 5: DEM Resolution Impact on the Estimation of the Physical Characteristics of Watersheds by Using SWAT 