Articles | Volume 24, issue 7
https://doi.org/10.5194/hess-24-3513-2020
https://doi.org/10.5194/hess-24-3513-2020
Research article
 | 
14 Jul 2020
Research article |  | 14 Jul 2020

Automatic identification of alternating morphological units in river channels using wavelet analysis and ridge extraction

Mounir Mahdade, Nicolas Le Moine, Roger Moussa, Oldrich Navratil, and Pierre Ribstein

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Latest update: 22 Jul 2024
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Short summary
We present an automatic procedure based on wavelet ridge extraction to identify some characteristics of alternating morphological units (e.g., pools to riffles). We used four hydro-morphological variables (velocity, hydraulic radius, bed shear stress, local channel direction angle). We find that the wavelengths are consistent with the values of the literature, and the use of a multivariate approach yields more robust results and ensures a consistent covariance of flow variables.