Articles | Volume 10, issue 2
Research article
15 Mar 2022
Research article |  | 15 Mar 2022

Autogenic knickpoints in laboratory landscape experiments

Léopold de Lavaissière, Stéphane Bonnet, Anne Guyez, and Philippe Davy

Model code and software

Riverlab (version 6) P. Davy

Short summary
Rivers are known to record changes in tectonic or climatic variation through long adjustment of their longitudinal profile slope. Here we describe such adjustments in experimental landscapes and show that they may result from the sole effect of intrinsic geomorphic processes. We propose a new model of river evolution that links long profile adjustment to cycles of river widening and narrowing. This result emphasizes the need to better understand control of lateral erosion on river width.