Articles | Volume 4, issue 3
Research article
08 Aug 2016
Research article |  | 08 Aug 2016

How does grid-resolution modulate the topographic expression of geomorphic processes?

Stuart W. D. Grieve, Simon M. Mudd, David T. Milodowski, Fiona J. Clubb, and David J. Furbish

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Cited articles

Anderson, E. S., Thompson, J. A., Crouse, D. A., and Austin, R. E.: Horizontal resolution and data density effects on remotely sensed LIDAR-based DEM, Geoderma, 132, 406–415,, 2006.
Anderson, R. S.: Evolution of the Santa Cruz Mountains, California, through tectonic growth and geomorphic decay, J. Geophys. Res.-Sol. Ea., 99, 20161–20179,, 1994.
Andrews, D. J. and Bucknam, R. C.: Fitting degradation of shoreline scarps by a nonlinear diffusion model, J. Geophys. Res-Sol. Ea., 92, 12857–12867,, 1987.
Beschta, R. L.: Long-term patterns of sediment production following road construction and logging in the Oregon Coast Range, Water Resour. Res., 14, 1011–1016,, 1978.
Bierman, P., Clapp, E., Nichols, K., Gillespie, A., and Caffee, M. W.: Using Cosmogenic Nuclide Measurements In Sediments To Understand Background Rates Of Erosion And Sediment Transport, in: Landscape Erosion and Evolution Modeling, edited by: Harmon, R. S., Springer US, 89–115, 2001.
Short summary
High-resolution topographic data are becoming more prevalent, yet many areas of geomorphic interest do not have such data available. We produce topographic data at a range of resolutions to explore the influence of decreasing resolution of data on geomorphic analysis. We test the accuracy of the calculation of curvature, a hillslope sediment transport coefficient, and the identification of channel networks, providing guidelines for future use of these methods on low-resolution topographic data.