Articles | Volume 8, issue 4
Earth Surf. Dynam., 8, 1039–1051, 2020
https://doi.org/10.5194/esurf-8-1039-2020
Earth Surf. Dynam., 8, 1039–1051, 2020
https://doi.org/10.5194/esurf-8-1039-2020

Short communication 09 Dec 2020

Short communication | 09 Dec 2020

Short communication: Multiscalar roughness length decomposition in fluvial systems using a transform-roughness correlation (TRC) approach

David L. Adams and Andrea Zampiron

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Short summary
This paper presents a novel method of estimating the relative contribution of different physical scales of river bed topography to the total roughness length, based on thalweg elevation profiles. By providing more detailed information regarding the interaction between surface topography and fluid dynamics, the proposed technique may contribute to advances in hydraulics, channel morphodynamics, and bedload transport. Also, it may provide alternatives to existing representative roughness metrics.