Wang, M. orcid.org/0009-0007-5251-5857, Claghorn, J. orcid.org/0000-0002-9389-4159 and Zhuo, L. orcid.org/0000-0002-5719-5342 (2025) Assessing the efficacy of tributary upstream meander restoration on downstream landscape stability through computational modelling. Landscape and Urban Planning, 254. 105232. ISSN 0169-2046
Abstract
Meander restoration has become a commonly advocated solution in flood-prone or ecologically degraded river networks. The long-term impact of such measures on the stability of the landscape at the catchment scale beyond the implementation site itself is critical to project success and for sustainable catchment management and needs to be considered by all stakeholders. It is challenging, however, to predict the overall contribution of meander restoration in stabilising the lower catchment and to make reasoned assumptions about the optimal placement, scale, and interconnected benefits of restoration projects based on an analysis of real-life cases due to the complexity and uniqueness of each catchment’s hydrology and the size and cost of such projects. Meanwhile, digital models can be utilised to test a wide variety of hypothetical futures so that the potential impacts of meander restoration can be understood in advance and limited resources can be better allocated to promote effective kinds of projects. In this study, computational modelling is employed to model the impacts of various upstream meander restoration scenarios on the downstream landscape due to erosion and deposition activities in northern England’s River Don catchment. The results indicate that compared to a baseline scenario, river restoration in tributaries effectively reduces downstream main channel sediment discharge and lateral migration activities. Upstream restoration projects prevent watershed deterioration more effectively than downstream projects. Clustering projects close to one other is more effective in reducing valley lateral erosion and deposition, as well as channel loading, compared to having projects dispersed across multiple tributaries.
Metadata
Item Type: | Article |
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Authors/Creators: |
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Copyright, Publisher and Additional Information: | © 2024 The Author(s). Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/ ). |
Keywords: | Nature-based Solutions (NBS)Meander restoration; Landscape evolution models; Catchment landscape stability; CAESAR-Lisflood simulation |
Dates: |
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Institution: | The University of Sheffield |
Academic Units: | The University of Sheffield > Faculty of Social Sciences (Sheffield) > Department of Landscape Architecture (Sheffield) |
Depositing User: | Symplectic Sheffield |
Date Deposited: | 31 Oct 2024 14:56 |
Last Modified: | 31 Oct 2024 14:56 |
Status: | Published |
Publisher: | Elsevier BV |
Refereed: | Yes |
Identification Number: | 10.1016/j.landurbplan.2024.105232 |
Open Archives Initiative ID (OAI ID): | oai:eprints.whiterose.ac.uk:219108 |