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A Multi-Stage Discharge Framework for Diagnosing Sediment Transport Regimes and Bed Disturbance in Dam-Influenced River Reaches Using Fixed-Bed 2D Hydrodynamic Modelling

Author(s): Morihiro Harada

Linked Author(s): Morihiro Harada, Morihiro Harada

Keywords: Sediment regime; Multi-stage discharge; Fixed-bed 2D model; Bed disturbance efficiency

Abstract: This study presents a reach -scale diagnostic framework for evaluating sediment transport regimes and bed disturbance in dam-influenced rivers by integrating long-term discharge records with fixed-bed two- dimensional (2D) hydrodynamic simulations. A multi-stage discharge system was constructed by discretizing

DOI: https://doi.org/10.64697/iahr.proc.ise2026.abs.300

Year: 2026

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