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A Simple Model for Estimating Future Channel Migration from Historical Aerial Photographs

Paul V. Villard, Wiliam Snodgrass and Bishnu Gyawali (2009)
Geomorphic Solutions (Sernas); City of Toronto
DOI: https://doi.org/10.14796/JWMM.R235-05
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Abstract

Channel migration can create potential hazards to infrastructure. To minimize the hazard and reduce the need to impact channel form and function through channel hardening, hazard zones are delineated. In areas where infrastructure exists within areas of potential channel migration it is valuable to be able to predict channel migration to develop appropriate management plans. Predicting channel migration is difficult, however, because it is a non-linear process that is a function of the antecedent channel planform and the cumulative interaction of adjacent meanders. This is further complicated by the fact that meanders both migrate and adjust their form over time. To address the complexity a simple process was developed to translate historical meander migration into a series of linear functions that allow prediction of future channel planform. A case study from Sheridan

Creek, Mississauga, Ontario is used to illustrate the technique and its potential applications.

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PAPER INFO

Identification

CHI ref #: R235-05 789
Volume: 17
DOI: https://doi.org/10.14796/JWMM.R235-05
Cite as: CHI JWMM 2009;R235-05

Publication History

Received: N/A
Accepted: N/A
Published: February 15, 2009

Status

# reviewers: 2
Version: Final published

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© 2009 CHI. Some rights reserved.

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Creative Commons License
This work is licensed under a Creative Commons Attribution 4.0 International License.

The Journal of Water Management Modeling is an open-access (OA) publication. Open access means that articles and papers are available without barriers to all who could benefit from them. Practically speaking, all published works will be available to a worldwide audience, free, immediately on publication. As such, JWMM can be considered a Diamond, Gratis OA journal.

All papers published in the JWMM are licensed under a Creative Commons Attribution 4.0 International License (CC BY).

JWMM content can be downloaded, printed, copied, distributed, and linked-to, when providing full attribution to both the author/s and JWMM.


AUTHORS

Paul V. Villard

Geomorphic Solutions (Sernas), Mississauga, ON, Canada
ORCiD:

Wiliam Snodgrass

City of Toronto, Toronto, ON, Canada
ORCiD:

Bishnu Gyawali

Geomorphic Solutions (Sernas), Toronto, ON, Canada
ORCiD:


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