Evaluation of topographic indices for ephemeral-gully erosion assessment

  title={Evaluation of topographic indices for ephemeral-gully erosion assessment},
  author={Casali and Santisteban and L{\'o}pez and Giraldez and Poesen and Nachtergaele and Go{\~n}i and Loizu and Campo},
Soil erosion by concentrated flows in agricultural areas is an important process affecting soil losses and landscape degradation. The main factors controlling concentrated flow erosion include the erodibility of materials, soil use and management, climate, and watershed topography. In this paper,two topographic indices, closely related with mathematical expressions suggested by different authors, are used to characterize the influence of watershed topography on gully erosion. The AS1 index is… CONTINUE READING