Articles | Volume 8, issue 3
https://doi.org/10.5194/esurf-8-789-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/esurf-8-789-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
23 Sep 2020
Research article |
| 23 Sep 2020
| 23 Sep 2020
Morphometric properties of alternate bars and water discharge: a laboratory investigation
Department of Civil, Environmental and Mechanical Engineering, University of Trento, Trento, Italy
Matilde Welber
Department of Civil, Environmental and Mechanical Engineering, University of Trento, Trento, Italy
Mattia Carlin
Department of Civil, Environmental and Mechanical Engineering, University of Trento, Trento, Italy
Marco Tubino
Department of Civil, Environmental and Mechanical Engineering, University of Trento, Trento, Italy
Walter Bertoldi
Department of Civil, Environmental and Mechanical Engineering, University of Trento, Trento, Italy
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Cited
26 citations as recorded by crossref.
- The Impact of Climate Change on River Alternate Bars M. Redolfi et al. https://doi.org/10.1029/2022GL102072
- Modeling the effects of vegetation growth rate on the dynamics of alternate bars P. Wattanachareekul et al. https://doi.org/10.1186/s40645-025-00774-8
- Experimental assessment of near‐Bank submerged rigid vegetation in low‐ and high‐velocity zones: Implications for nature‐based riverbank protection O. Maurya et al. https://doi.org/10.1002/esp.70292
- Hyporheic Exchange in a Straight Stream With Alternate Bars P. Huang & T. Chui https://doi.org/10.1029/2022WR032221
- Migrating bars influence the formation and dynamics of their peers in large sandy‐gravel bed rivers J. Le Guern et al. https://doi.org/10.1002/esp.5563
- Novel hypothesis on the occurrence of sandbars S. Seki et al. https://doi.org/10.1063/5.0171731
- Hydrodynamic instability of free river bars R. Mahato et al. https://doi.org/10.1063/5.0045530
- The effect of flow discharge alteration on the development of the alternate bar P. Wattanachareekul et al. https://doi.org/10.3178/hrl.24-00041
- Effect of Vegetation Type and Location on the Change of Alternate Sandbars in a Straight River Channel S. Habib & N. Tanaka https://doi.org/10.1007/s40999-025-01118-9
- 3D morphological characteristics of gravel bars in an engineered river using LiDAR data and aerial photographs M. Laslier et al. https://doi.org/10.1002/esp.70230
- Formation of alternate river bars in submerged vegetated flows R. Mahato et al. https://doi.org/10.1098/rspa.2024.0271
- Impacts on alternate bar geometry and dynamics in a trained sand bed river T. Branß et al. https://doi.org/10.3389/frwa.2022.1091872
- The Long‐Term Response of Alternate Bars to the Hydrological Regime M. Carlin et al. https://doi.org/10.1029/2020WR029314
- New outdoor experimental river facility to study river dynamics B. Mahmoud et al. https://doi.org/10.5194/esurf-14-175-2026
- Linear stability of sand waves sheared by a turbulent flow S. Dey et al. https://doi.org/10.1007/s10652-021-09813-6
- Short-term geomorphic adjustments of bars in the Elbe, a large regulated river in Czechia T. Galia et al. https://doi.org/10.14712/23361980.2024.7
- On the occurrence of sandbars D. Moteki et al. https://doi.org/10.1063/5.0128760
- Morphodynamic styles: characterising the behaviour of gravel-bed rivers using a novel, quantitative index W. Booker & B. Eaton https://doi.org/10.5194/esurf-10-247-2022
- DISCUSSIONS OF BAR GROWTH RATE AND DEVELOPMENT OF BAR HEIGHT ESTIAMATION METHOD T. INOUE et al. https://doi.org/10.2208/jscejj.23-16017
- THE HYDRAULIC AND SEDIMENTARY MECHANISM FOR THE DEPENDENCE OF ALTERNATE BAR HEIGHT ON FLOW DISCHARGE S. SEKI et al. https://doi.org/10.2208/jscejj.25-16066
- Dynamics of Mid-Channel Bar during Different Impoundment Periods of the Three Gorges Reservoir Area in China Q. Tang et al. https://doi.org/10.3390/w13233427
- Empirical Determination of Free Alternate Bar Length Y. Cheng & A. Ferreira da Silva https://doi.org/10.1061/JHEND8.HYENG-13245
- On steady alternate bars forced by a localized asymmetric drag distribution in erodible channels M. Redolfi et al. https://doi.org/10.1017/jfm.2021.122
- Mega riverbed-patterns: linear and weakly nonlinear perspectives S. Ali et al. https://doi.org/10.1098/rspa.2021.0331
- Different Alternate Bar Dynamics Under Different Channel Width and Flow Conditions P. Wattanachareekul et al. https://doi.org/10.3390/w17243494
- Free Alternate Bars in Rivers: Key Physical Mechanisms and Simple Formation Criterion M. Redolfi https://doi.org/10.1029/2021WR030617
26 citations as recorded by crossref.
- The Impact of Climate Change on River Alternate Bars M. Redolfi et al. https://doi.org/10.1029/2022GL102072
- Modeling the effects of vegetation growth rate on the dynamics of alternate bars P. Wattanachareekul et al. https://doi.org/10.1186/s40645-025-00774-8
- Experimental assessment of near‐Bank submerged rigid vegetation in low‐ and high‐velocity zones: Implications for nature‐based riverbank protection O. Maurya et al. https://doi.org/10.1002/esp.70292
- Hyporheic Exchange in a Straight Stream With Alternate Bars P. Huang & T. Chui https://doi.org/10.1029/2022WR032221
- Migrating bars influence the formation and dynamics of their peers in large sandy‐gravel bed rivers J. Le Guern et al. https://doi.org/10.1002/esp.5563
- Novel hypothesis on the occurrence of sandbars S. Seki et al. https://doi.org/10.1063/5.0171731
- Hydrodynamic instability of free river bars R. Mahato et al. https://doi.org/10.1063/5.0045530
- The effect of flow discharge alteration on the development of the alternate bar P. Wattanachareekul et al. https://doi.org/10.3178/hrl.24-00041
- Effect of Vegetation Type and Location on the Change of Alternate Sandbars in a Straight River Channel S. Habib & N. Tanaka https://doi.org/10.1007/s40999-025-01118-9
- 3D morphological characteristics of gravel bars in an engineered river using LiDAR data and aerial photographs M. Laslier et al. https://doi.org/10.1002/esp.70230
- Formation of alternate river bars in submerged vegetated flows R. Mahato et al. https://doi.org/10.1098/rspa.2024.0271
- Impacts on alternate bar geometry and dynamics in a trained sand bed river T. Branß et al. https://doi.org/10.3389/frwa.2022.1091872
- The Long‐Term Response of Alternate Bars to the Hydrological Regime M. Carlin et al. https://doi.org/10.1029/2020WR029314
- New outdoor experimental river facility to study river dynamics B. Mahmoud et al. https://doi.org/10.5194/esurf-14-175-2026
- Linear stability of sand waves sheared by a turbulent flow S. Dey et al. https://doi.org/10.1007/s10652-021-09813-6
- Short-term geomorphic adjustments of bars in the Elbe, a large regulated river in Czechia T. Galia et al. https://doi.org/10.14712/23361980.2024.7
- On the occurrence of sandbars D. Moteki et al. https://doi.org/10.1063/5.0128760
- Morphodynamic styles: characterising the behaviour of gravel-bed rivers using a novel, quantitative index W. Booker & B. Eaton https://doi.org/10.5194/esurf-10-247-2022
- DISCUSSIONS OF BAR GROWTH RATE AND DEVELOPMENT OF BAR HEIGHT ESTIAMATION METHOD T. INOUE et al. https://doi.org/10.2208/jscejj.23-16017
- THE HYDRAULIC AND SEDIMENTARY MECHANISM FOR THE DEPENDENCE OF ALTERNATE BAR HEIGHT ON FLOW DISCHARGE S. SEKI et al. https://doi.org/10.2208/jscejj.25-16066
- Dynamics of Mid-Channel Bar during Different Impoundment Periods of the Three Gorges Reservoir Area in China Q. Tang et al. https://doi.org/10.3390/w13233427
- Empirical Determination of Free Alternate Bar Length Y. Cheng & A. Ferreira da Silva https://doi.org/10.1061/JHEND8.HYENG-13245
- On steady alternate bars forced by a localized asymmetric drag distribution in erodible channels M. Redolfi et al. https://doi.org/10.1017/jfm.2021.122
- Mega riverbed-patterns: linear and weakly nonlinear perspectives S. Ali et al. https://doi.org/10.1098/rspa.2021.0331
- Different Alternate Bar Dynamics Under Different Channel Width and Flow Conditions P. Wattanachareekul et al. https://doi.org/10.3390/w17243494
- Free Alternate Bars in Rivers: Key Physical Mechanisms and Simple Formation Criterion M. Redolfi https://doi.org/10.1029/2021WR030617
Saved (final revised paper)
Latest update: 28 Jun 2026
Short summary
Alternate bars are large sediment deposits that tend to naturally form in rivers when the channel width is sufficiently large. Our laboratory experiments on a scaled model reveal that equilibrium properties of self-formed alternate bars highly depend on the water discharge with respect to the relevant theoretical thresholds. This work provides fundamental information for predicting the response of rivers to natural or human alterations of the flow regime.
Alternate bars are large sediment deposits that tend to naturally form in rivers when the...
