Articles | Volume 5, issue 1
Research article
18 Jan 2017
Research article |  | 18 Jan 2017

Accurate simulation of transient landscape evolution by eliminating numerical diffusion: the TTLEM 1.0 model

Benjamin Campforts, Wolfgang Schwanghart, and Gerard Govers

Video supplement

TTLEM – TopoToolbox Landscape Evolution: Synthetic model run B. Campforts, W. Schwanghart, and G. Govers

TTLEM – TopoToolbox Landscape Evolution: Spatially and temporally variable tectonic configuration B. Campforts, W. Schwanghart, and G. Govers

Short summary
Despite a growing interest in landscape evolution models, accuracy assessment of the numerical methods they are based on has received little attention. We test a higher-order flux-limiting finite-volume method to simulate river incision and tectonic displacement. We show that this scheme significantly influences the evolution of simulated landscapes and the spatial and temporal variability of erosion rates. Moreover, it allows for the simulation of lateral tectonic displacement on a fixed grid.