Predicting flow resistance in rough‐bed rivers from topographic roughness: Review and open questions

RI Ferguson, RJ Hardy, RA Hodge… - Earth Surface …, 2024 - Wiley Online Library
Most ways of predicting flow resistance in shallow rivers with a partial or complete cover of
coarse sediment use a bed‐sediment grain diameter as a roughness length scale. However …

3D printing technique for experimental modeling of hydraulic structures: Exemplary scaled weir models

M Oertel, X Shen - Water, 2022 - mdpi.com
3D printing is a fast growing industry and is affecting many areas of our daily lives, eg, in
medical fields, mechanics, as well as engineering. For hydraulic experimental modeling, this …

Flow resistance and hydraulic geometry in bedrock rivers with multiple roughness length scales

RI Ferguson, RJ Hardy… - Earth Surface Processes …, 2019 - Wiley Online Library
Many models of incision by bedrock rivers predict water depth and shear stress from
discharge; conversely, palaeoflood discharge is sometimes reconstructed from flow depth …

Hydraulic resistance in mixed bedrock-alluvial meandering channels

R Fernández, AJ Vitale, G Parker… - Journal of Hydraulic …, 2021 - Taylor & Francis
We present an experimental analysis of hydraulic roughness variations due to changes in
alluvial cover in a mixed bedrock-alluvial meandering channel with larger bedrock …

Flow resistance and hydraulic geometry in contrasting reaches of a bedrock channel

RI Ferguson, BP Sharma, RJ Hardy… - Water Resources …, 2017 - Wiley Online Library
Assumptions about flow resistance in bedrock channels have to be made for mechanistic
modeling of river incision, paleoflood estimation, flood routing, and river engineering. Field …

[HTML][HTML] Alluvial cover on bedrock channels: applicability of existing models

J Mishra, T Inoue - Earth Surface Dynamics, 2020 - esurf.copernicus.org
Several studies have demonstrated the importance of alluvial cover; furthermore, several
mathematical models have also been introduced to predict the alluvial cover on bedrock …

The influence of bedrock river morphology and alluvial cover on gravel entrainment: Part 1. Pivot angles and surface roughness

MEH Buechel, RA Hodge… - Earth Surface Processes …, 2022 - Wiley Online Library
Sediment entrainment in bedrock rivers is a key process for river incision and landscape
evolution. Bedrock riverbeds are typically comprised of both exposed bedrock and alluvial …

Surfaces of coastal biogenic structures: exploiting advanced digital design and fabrication strategies for the manufacturing of oyster reef and mussel bed surrogates

J Hitzegrad, L Brohmann, F Herding… - Frontiers in Marine …, 2024 - frontiersin.org
Coastal biogenic structures, formed by ecosystem engineering species, often feature rough
surfaces characterized by intricate topographies and highly three-dimensional reliefs. Their …

Experiments on restoring alluvial cover in straight and meandering rivers using gravel augmentation

M Welber, E Papangelakis, P Ashmore… - River Research and …, 2020 - Wiley Online Library
Successful management of natural and engineered channels with discontinuous alluvial
cover requires knowledge of how the cover develops and evolves. We report on physical …

Patterns of alluviation in mixed bedrock‐alluvial channels: 1. Numerical model

J Cho, PA Nelson - Journal of Geophysical Research: Earth …, 2024 - Wiley Online Library
Mixed bedrock‐alluvial rivers can exhibit partial alluvial cover, which plays an important role
in controlling bedrock erosion rates and landscape evolution. However, numerical …