Articles | Volume 3, issue 4
https://doi.org/10.5194/esurf-3-577-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/esurf-3-577-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Research article
| Highlight paper
| 
15 Dec 2015
Research article | Highlight paper |
| 15 Dec 2015
Grain sorting in the morphological active layer of a braided river physical model
P. Leduc
CORRESPONDING AUTHOR
University of Western Ontario, Department of Geography, London, Ontario, Canada
P. Ashmore
University of Western Ontario, Department of Geography, London, Ontario, Canada
J. T. Gardner
University of Western Ontario, Department of Geography, London, Ontario, Canada
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Cited
16 citations as recorded by crossref.
- Reconstructing Depth‐Averaged Open‐Channel Flows Using Image Velocimetry and Photogrammetry G. Piton et al.
- Assessing functional characteristics of a braided river in the Qinghai-Tibet Plateau, China P. Gao et al.
- Evolution of grain size distributions and bed mobility during hydrographs in gravel‐bed braided rivers S. Peirce et al.
- Short communication: Challenges and applications of structure-from-motion photogrammetry in a physical model of a braided river P. Leduc et al.
- Impact of Sediment Deposition on Flood Carrying Capacity of an Alluvial Channel: A Case Study of the Lower Indus Basin A. Mahmood et al.
- Morpho‐sedimentary characteristics of proximal gravel braided river deposits in a Froude‐scaled physical model T. Gardner et al.
- Simulating Laboratory Braided Rivers with Bed-Load Sediment Transport H. Yang et al.
- Remote sensing of laboratory rivers A. Leenman & B. Eaton
- Sediment heterogeneity and mobility in the morphodynamic modelling of gravel-bed braided rivers U. Singh et al.
- Bed material facies mapping at braided river scale and evidence for trends in fine sediment J. Rogers et al.
- Sedimentary architecture of a sandy braided river: Insights from a flume experiment W. Feng et al.
- Uniform grain-size distribution in the active layer of a shallow, gravel-bedded, braided river (the Urumqi River, China) and implications for paleo-hydrology L. Guerit et al.
- Expanding the “Active Layer”: Discussion of Church and Haschenburger (2017) What is the “Active Layer”? Water Resources Research 53, 5–10, Doi:10.1002/2016WR019675 P. Ashmore et al.
- Combining UAV-Based SfM-MVS Photogrammetry with Conventional Monitoring to Set Environmental Flows: Modifying Dam Flushing Flows to Improve Alpine Stream Habitat S. Lane et al.
- Assessing Functional Characteristics of a Braided River in the Qinghai-Tibet Plateau, China P. Gao et al.
- Does a braided river aggrade or degrade in response to changes in water and sediment fluxes? R. Jiang et al.
16 citations as recorded by crossref.
- Reconstructing Depth‐Averaged Open‐Channel Flows Using Image Velocimetry and Photogrammetry G. Piton et al.
- Assessing functional characteristics of a braided river in the Qinghai-Tibet Plateau, China P. Gao et al.
- Evolution of grain size distributions and bed mobility during hydrographs in gravel‐bed braided rivers S. Peirce et al.
- Short communication: Challenges and applications of structure-from-motion photogrammetry in a physical model of a braided river P. Leduc et al.
- Impact of Sediment Deposition on Flood Carrying Capacity of an Alluvial Channel: A Case Study of the Lower Indus Basin A. Mahmood et al.
- Morpho‐sedimentary characteristics of proximal gravel braided river deposits in a Froude‐scaled physical model T. Gardner et al.
- Simulating Laboratory Braided Rivers with Bed-Load Sediment Transport H. Yang et al.
- Remote sensing of laboratory rivers A. Leenman & B. Eaton
- Sediment heterogeneity and mobility in the morphodynamic modelling of gravel-bed braided rivers U. Singh et al.
- Bed material facies mapping at braided river scale and evidence for trends in fine sediment J. Rogers et al.
- Sedimentary architecture of a sandy braided river: Insights from a flume experiment W. Feng et al.
- Uniform grain-size distribution in the active layer of a shallow, gravel-bedded, braided river (the Urumqi River, China) and implications for paleo-hydrology L. Guerit et al.
- Expanding the “Active Layer”: Discussion of Church and Haschenburger (2017) What is the “Active Layer”? Water Resources Research 53, 5–10, Doi:10.1002/2016WR019675 P. Ashmore et al.
- Combining UAV-Based SfM-MVS Photogrammetry with Conventional Monitoring to Set Environmental Flows: Modifying Dam Flushing Flows to Improve Alpine Stream Habitat S. Lane et al.
- Assessing Functional Characteristics of a Braided River in the Qinghai-Tibet Plateau, China P. Gao et al.
- Does a braided river aggrade or degrade in response to changes in water and sediment fluxes? R. Jiang et al.
Saved (final revised paper)
Latest update: 18 May 2026
Short summary
A physical scale model of a gravel-bed braided river was used to measure vertical grain size sorting in the morphological active layer defined as the bed material between the maximum and minimum bed elevation. By normalizing active layer thickness and dividing into 10 sublayers we show that all grain sizes occur with almost equal frequency in all sublayers. Occurrence of patches and strings of coarser material relates to preservation of particular morphotextural features within the active layer.
A physical scale model of a gravel-bed braided river was used to measure vertical grain size...
