March 8, 2024

Surface roughness: capturing rough-bed river diversity

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Authors

RHRobert C. HouseagoLoughborough University RHRebecca HodgeDurham University RFRob FergusonDurham University

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Implication

Geostatistical analysis reveals elevation skewness and frontal solidity define complex topography across 20 rough-bed river reaches, highlighting improved metrics for flow resistance.

Key Points

Multiple surface roughness metrics are required to capture riverbed diversity, and elevation skewness with frontal solidity successfully distinguish channels with bedrock or boulders.
Analysis across 20 rough-bed river reaches demonstrates that elevation skewness and frontal solidity effectively differentiate complex channel topographies across varying spatial scales.
Geostatistical analysis incorporating hierarchical clustering and principal component analysis establishes a novel framework, advancing flow resistance calculations and topographic studies.

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Houseago et al. (2024) studied this question.

synapsesocial.com/papers/68e74f7db6db6435876c80ae https://doi.org/10.5194/egusphere-egu24-11154

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Implication

Geostatistical analysis reveals elevation skewness and frontal solidity define complex topography across 20 rough-bed river reaches, highlighting improved metrics for flow resistance.

Surface roughness: capturing rough-bed river diversity

Discussion

Member takes

Implication

Key Points

Cite This Study

Surface roughness: capturing rough-bed river diversity

Discussion

Member takes

Implication

Key Points

Cite This Study

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