Cited by 254Hydrology and Sediment Transport ProcessesGeological formations and processesTree Root and Stability Studies

Modelling the effect of vegetation on channel pattern in bedload rivers

Murray, A. Brad, Paola, Chris·2003·Earth Surface Processes and Landforms

Abstract

We modify a simple numerical stream‐pattern model to examine the effect of sediment stabilization by roots on the channel pattern of bedload rivers. In the model, vegetation enhances bank resistance to erosion, causing the development of a single channel instead of a rapidly changing, multiple channel (braided) pattern. Net aggradation resulting from a high sediment supply, however, causes frequent avulsions that destroy vegetation locally, leading to the development of a multiple‐channel pattern. A stability diagram representing multiple model runs predicts whether a river will exhibit single or multiple channels, based on plant‐enhanced bank strength, and on the time scale of plant development relative to a time scale for change in unvegetated channels. A second stability diagram predicts the way in which the amplitude and period of a fluctuating imposed sediment load influence whether a single or multiple‐channel pattern develops. Copyright © 2003 John Wiley & Sons, Ltd.

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Crossref · 10.1002/esp.428

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51 of 51 references verified0 citation errors · 0 not checkable

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  • Root systems of riparian plants stabilize streambanks by slowing or preventing erosion, thereby reducing channel migration rates in floodplain systems.

    “Additionally, the root systems of riparian plants help to stabilize streambanks by slowing or preventing streambank erosion (e.g.particle entrainment, mass wasting) (Simon and Collison, 2002;Murray and Paola, 2003), thereby reducing rates of channel migration for floodplain systems (Hickin, 1984;Micheli and Kirchner, 2002a).”
  • Extensive root systems of riparian vegetation help stabilize riverbanks, facilitating narrow river channels and reduced rates of lateral channel migration.

    “the extensive root systems of riparian vegetation help to stabilize riverbanks, thus facilitating narrow river channels and reduced rates of lateral channel migration (Hickin 1984; Micheli and Kirchner 2002; Murray and Paola 2003).”

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Authors
Murray, A. B., & Paola, C.
Affiliations
  • Duke University (US)
  • University of Minnesota (US)
Corresponding author
Murray, A. Brad
Venue
Earth Surface Processes and Landforms
Publisher
Wiley
Published
2003-01-13
Volume
28
Issue
2
Pages
131-143
ISSN
  • 0197-9337 (ISSN-L)
  • 1096-9837
OpenAlex
W2104292125
Cited by
254
References
51
Citations by year
2026: 3 · 2025: 3 · 2024: 3 · 2023: 10 · 2022: 10 · 2021: 8 · 2020: 31 · 2019: 9 · 2018: 14 · 2017: 14 · 2016: 14 · 2015: 16 · 2014: 15 · 2013: 23 · 2012: 10
FWCI
5.41
Type
journal article
Language
en
Open access
closed
Locations
Earth Surface Processes and Landforms (publishedVersion)
Funders
Andrew W. Mellon Foundation
Topics
  • Physical Sciences › Environmental Science › Ecology › Hydrology and Sediment Transport Processes
  • Physical Sciences › Earth and Planetary Sciences › Earth-Surface Processes › Geological formations and processes
  • Physical Sciences › Engineering › Mechanical Engineering › Tree Root and Stability Studies
Keywords
channel pattern, braided rivers, avulsion, stability diagram

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