Bassin-versant ; Echelle ; Etats-Unis ; Modèle numérique ; Pente de versant ; Réseau de drainage ; Système d'information géographique ; West Virginia
Drainage network ; Geographical information system ; Numerical model ; Scale ; Slope gradient ; United States of America ; Watershed ; West Virginia
ranging approximately from 150 km2 to 1000 km2 in West Virginia, a geologically complex region, were examined in this study. The AA. found that the performance of the 1:250 000 DEMs was not significantly influenced by basin size, while terrain complexity