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Jul 5, 2021

Erratum for “How Large Immobile Sediments in Gravel Bed Rivers Impact Sediment Transport and Bed Morphology” by C. W. McKie, C. Juez, B. D. Plumb, W. K. Annable, and M. J. Franca

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Authors: C. W. McKie [email protected], C. Juez https://orcid.org/0000-0002-2985-1023 [email protected], B. D. Plumb [email protected], W. K. Annable [email protected], and M. J. Franca [email protected]Author Affiliations
Publication: Journal of Hydraulic Engineering
Volume 147, Issue 9
https://doi.org/10.1061/(ASCE)HY.1943-7900.0001921
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In the original paper, the term “particle density” was erroneously changed during the review process to “particle spacing.”
Therefore, all through the paper the text errors should be revised by replacing “spacing” with “density” or “densities.” Revised versions of Figs. 4–8 and 10 are also provided herein.
Fig. 4. Sediment transport ratio for sediment transported over the entire hydrograph in each test case. The horizontal dashed lines indicate a value in which sediment into the system is equal to sediment leaving the system. Additionally, the coarse material (gravel) and the fine material (sand) are plotted separately to depict the sediment transport ratio of each of these fractions individually: (a) sediment transported during the entire hydrograph; and (b) transported sediment during the 1-min peak discharge step only.
Fig. 5. Change in the sediment size of the transported material presented as a percent change in size fractions from the base case, 100×(Di−Di,base)/Di,base (i.e., if D50 is 1 mm for the base case and 2 mm for the test case, this would be represented on the plot as 100%). The horizontal dashed line represents no change from the base case: (a) all sediment collected during the entire hydrograph; and (b) only sediment collected during the 1-min peak discharge step only.
Fig. 6. Increase in bed material size fractions found after the hydrograph with decreasing density, represented as a percent change from the results of the base case, 100×(Di−Di,base)/Di,base. The horizontal dashed line represents no change from the base case value.
Fig. 7. Change in bed elevation (dark gray) at the end of the experiment with respect to the prehydrograph/initial situation (Elevationfinal−Elevationinitial) and the final bed slope at the end of the experiment (light gray).
Fig. 8. Results of the particle clustering analysis, displaying the mean ratio (circles), the increasing/decreasing area ratio (crosses), and the sum ratio (triangles). The horizontal dashed line represents values at which the particle clustering is equivalent between the beginning and completion of each hydrograph.
Fig. 10. Hysteresis ratio versus large immobile particle density. The horizontal dashed line represents the conditions in which an equivalent amount of sediment is transported on each limb. The base case has been plotted on the left for comparison to the test cases.
The correct use of the word “spacing” only remains in following four lines in the text:
•
First paragraph of “Bedload Transport Data” section: “The sediment transport ratio of each case shows that increasing the spacing between the large immobile particles…”
•
Fourth paragraph of “Holistic Interpretation of the Results” section: “Alternatively, spacing the clusters closer together resulted in the flow patterns interfering with each other and reducing the energy of the turbulence cells.”
•
Fifth paragraph of “Holistic Interpretation of the Results” section: “(2) at a narrow range of large immobile particle spacings, flow structures build upon each other and amplify their erosive forces.”
•
Last paragraph of “Conclusions” section: “(2) at a narrow range of large immobile particle spacings, flow structures build upon each other and amplify their erosive forces.”
The updated version of the paper may be read with this correction. Inconvenience is regretted.

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Journal of Hydraulic Engineering
Volume 147 • Issue 9 • September 2021

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© 2021 American Society of Civil Engineers.

History

Received: Mar 9, 2021
Accepted: Apr 28, 2021
Published online: Jul 5, 2021
Published in print: Sep 1, 2021
Discussion open until: Dec 5, 2021

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C. W. McKie [email protected]
Researcher, Dept. of Civil and Environmental Engineering, Univ. of Waterloo, 200 University Ave. West, Waterloo, ON, Canada N2L 3G1. Email: [email protected]
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C. Juez https://orcid.org/0000-0002-2985-1023 [email protected]
Researcher, Dept. of Geoenvironmental Processes, École Polytechnique Fédérale de Lausanne, Route Cantonale, Lausanne 1015, Switzerland; Researcher, Dept. of Geoenvironmental Processes, Instituto Pirenaico de Ecología, Consejo Superior de Investigaciones Científicas, Campus de Aula Dei, Avenida Montañana 1005, Zaragoza 50059, Spain (corresponding author). ORCID: https://orcid.org/0000-0002-2985-1023. Email: [email protected]
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B. D. Plumb [email protected]
Researcher, Dept. of Civil and Environmental Engineering, Univ. of Waterloo, 200 University Ave. West, Waterloo, ON, Canada N2L 3G1. Email: [email protected]
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W. K. Annable [email protected]
Associate Professor, Dept. of Civil and Environmental Engineering, Univ. of Waterloo, 200 University Ave. West, Waterloo, ON, Canada N2L 3G1. Email: [email protected]
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M. J. Franca [email protected]
Professor, Dept. of Hydraulic Engineering, IHE-Delft Institute for Water Education, Westvest 7, Delft 2611 AX, Netherlands; Professor, Dept. of Hydraulic Engineering, Delft Univ. of Technology, Mekelweg 5, Delft 2628 CD, Netherlands. Email: [email protected]
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