Earth Surface Dynamics
Earth Surface Dynamics
ESurf
Articles | Volume 4, issue 2
Articles | Volume 4, issue 2
https://doi.org/10.5194/esurf-4-343-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
Special issue:
https://doi.org/10.5194/esurf-4-343-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 4, issue 2
Research article
 | 
21 Apr 2016
Research article |  | 21 Apr 2016

Topography-based flow-directional roughness: potential and challenges

Sebastiano Trevisani and Marco Cavalli

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Short summary
The generalization of the concept of roughness implies the need to refer to a family of roughness indices capturing specific aspects of surface morphology. We test the application of a flow-oriented directional measure of roughness based on the geostatistical index MAD (median of absolute directional differences), computed considering gravity-driven flow direction. The use of flow-directional roughness improves geomorphometric modeling and the interpretation of landscape morphology.
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Frontiers in geomorphometry