Hydro-morphodynamic numerical modeling indicates risk zones for riverbed clogging.

ABSTRACT: Riverbed clogging compromises the ecological functioning of gravel-bed rivers. Physical clogging affects aquatic habitats and occurs when fine sediments infiltrate coarser substrates, reducing permeability, porosity, and oxygenation. Clogging analyses mostly rely on methods or models that assess the clogging state from field data without predictive capacity. However, predictive tools are essential to optimize habitat restoration in mountain rivers. This study evaluates a two-dimensional numerical model for simulating fine sediment infiltration and mobilization around two large wood pieces in a fully controlled morphodynamic gravel-bed channel. Field data from the morphodynamic channel, collected before and after an artificial flood, were used to calibrate the model and compare its outputs

SUBMITTER: Scolari F 

PROVIDER: S-EPMC11954975 | biostudies-literature | 2025 Mar

REPOSITORIES: biostudies-literature