Articles | Volume 7, issue 2
Earth Surf. Dynam., 7, 609–631, 2019
https://doi.org/10.5194/esurf-7-609-2019
Earth Surf. Dynam., 7, 609–631, 2019
https://doi.org/10.5194/esurf-7-609-2019

Research article 01 Jul 2019

Research article | 01 Jul 2019

Alluvial channel response to environmental perturbations: fill-terrace formation and sediment-signal disruption

Stefanie Tofelde et al.

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We performed seven physical experiments to explore terrace formation and sediment export from a braided alluvial river system that is perturbed by changes in water discharge, sediment supply, or base level. Each perturbation differently affects (1) the geometry of terraces and channels, (2) the timing of terrace formation, and (3) the transient response of sediment discharge. Our findings provide guidelines for interpreting fill terraces and sediment export from fluvial systems.