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

<table class="table-group" id="tab3"><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">22.19</td><td class="align_center">36.09</td></tr><tr><td class="align_left">ASTER</td><td class="align_center">22.07</td><td class="align_center">26.89</td></tr><tr><td class="align_left">SRTM</td><td class="align_center">26.90</td><td class="align_center">15.97</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Sizes of areas extracted from DEMs of Huai-Sai-Khaw watershed.

Advances in Civil Engineering

tab3

Table 3

Table 3: DEM Resolution Impact on the Estimation of the Physical Characteristics of Watersheds by Using SWAT 