Soil Bioengineering: Challenges for Planning and Engineering

Simon, Katrina; Steinemann, Anne

doi:10.1061/(asce)0733-9488(2000)126:2(89)

Cited by 23 publications

(16 citation statements)

References 2 publications

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“…Beeson and Doyle, 1995;Li and Eddleman, 2002). Thus, early bank protection is critical to the success of stream stabilization projects (Simon and Steinemann, 2000). The 2002 and 2007 aerial photographs illustrate denudation of the channel margins and floodplain due to regrading activities ( Figure 6).…”

Section: Reach Scalementioning

confidence: 99%

Monitoring and assessment of a river restoration project in central New York

Buchanan

Walter

Nagle

et al. 2010

River Research & Apps

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A widespread lack of post‐project appraisals (PPAs) not only hinders progress in the field of river restoration but also limits the application of adaptive management – a powerful heuristic tool particularly well suited to dynamic fluvial environments. In an effort to contribute to the limited body of scientific literature pertaining to PPAs, we evaluated a stream restoration project completed in the fall of 2005 in central New York. Using a variety of evaluation approaches, we documented both successes (e.g. enhanced in‐stream habitat) and short‐comings (e.g. channel avulsions). Overall, we concluded that the project was marginally successful in achieving its stated goals and that future prospects remain uncertain based on current trajectory. Lessons learned from this monitoring study include: (i) protect vulnerable banks and floodplains until vegetation is established, e.g. via integrated bio‐ and geo‐technical methods, (ii) perform scour depth analyses and excavate scour pools associated with hydraulic structures to design depth to prevent clogging of the channel during post‐construction floods, (iii) orient bank vanes such that cross‐stream flows are not deflected towards the bank, (iv) cross‐validate restoration designs via multiple methods, including process‐based sediment transport relations, especially in unstable gravel‐bed rivers, (v) anticipate and fund for fixing natural channel design (NCD) projects for 3–5 years after completion to account for uncertainties and (vi) identify measurable, goal‐specific success criteria that account for watershed scale stressors and site constraints prior to construction to facilitate successful project design and ensure effective outcomes appraisal. Copyright © 2010 John Wiley & Sons, Ltd.

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Section: Reach Scalementioning

confidence: 99%

Monitoring and assessment of a river restoration project in central New York

Buchanan

Walter

Nagle

et al. 2010

River Research & Apps

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“…Box plots depicting the mean (dashed line), median (solid line), the 25th and 75th percentiles (boxes), the 95th and 5th percentiles (whiskers), and outliers (diamonds) for the lean angle, percent undercut, and log-transformed diameter at breast height data sets from our four study sites and sources of contaminated sediments along a 32-km reach, an area too large for direct measurements of stability given current resources. Our results suggest that trees respond in predictable ways to riverbank processes and opens interesting avenues for further research, potentially leading to the following: (i) improved methods for measuring and predicting erosion rates on forested riverbanks; and (ii) improved use of riparian vegetation in stream restoration designs (Simon and Steinemann, 2000).…”

Section: Discussionmentioning

confidence: 88%

“…For our study, these results are critical in identifying potential sinks and sources of contaminated sediments along a 32‐km reach, an area too large for direct measurements of stability given current resources. Our results suggest that trees respond in predictable ways to riverbank processes and opens interesting avenues for further research, potentially leading to the following: (i) improved methods for measuring and predicting erosion rates on forested riverbanks; and (ii) improved use of riparian vegetation in stream restoration designs (Simon and Steinemann, ).…”

Section: Discussionmentioning

confidence: 99%

Observations of Riparian Tree Geometry and Bank Characteristics along a Bank Stability Gradient at the South River, VA

Stotts

O’Neal

Pizzuto

2014

River Research & Apps

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In this study, we evaluate the use of riparian tree‐geometry and bank‐characteristic data in developing riverbank stability forecasts at four study sites along a mercury‐contaminated reach of the South River, Virginia. Our forecast data set includes measurements of tree diameter, lean angle and percent root‐plate undercut, coupled with bank characteristics included in the Pfankuch Index. Stepwise comparisons and statistical analyses of our tree‐geometry data reveal that lean angle and percent root‐plate undercut are effective measures for discriminating between riparian tree populations at eroding and stable banks, with the strongest discriminant power from the percent root‐plate undercut. Our stability forecasts, using both tree and bank characteristics, agree with long‐term observations, underscoring the value of rarely used tree‐geometry data in such evaluations. The application of these results is important in long study reaches where forecasts of erosion potential from contaminated banks are required to develop mitigation strategies, but direct measurements of bank stability are not feasible. Copyright © 2014 John Wiley & Sons, Ltd.

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“…Identifying the physical processes and causes of river alterations is important for defining the appropriate rehabilitation techniques (Anstead et al., ; Entwistle et al., ; Fryirs et al., ). This type of analysis supports the development of a better understanding of cause–effect relationships, which is essential for identifying and subsequently implementing appropriate rehabilitation actions, particularly in riverbank stabilisation interventions (Belletti et al., ; Biedenharn et al., ; Cramer, ; Fryirs et al., ; Grabowski et al., ; Gurnell et al., 2015a; Kondolf et al., ; Li & Eddleman, ; Niezgoda & Johnson, ; Simon & Steinemann, ).…”

Section: Introductionmentioning

confidence: 74%

“…The permissible values for the flow velocity and bank shear stress should be determined by streamlined methods (Chow, ) or by hydraulic modelling (e.g., by using the HEC‐RAS software) if necessary. The adequacy of the technical specifications is essential to ensure the feasibility of the technical solutions for the site intervention characteristics (Biedenharn et al., ; Cramer, ; Florineth, ; Gray & Sotir, ; Li & Eddleman, ; Li et al., ; Niezgoda & Johnson, ; Simon & Steinemann, ; Teiga, ; Zeh, ).…”

Section: Methodsmentioning

confidence: 99%

A method for selecting suitable technical solutions to support sustainable riverbank stabilisation

Pinto

Fernandes

Maia

2018

Area

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The interventions for riverbank stabilisation are among the most common river rehabilitation actions performed in watercourses. However, most of the interventions focus on traditional methods that, although effective at the structural level (i.e., at meeting riverbank stabilisation goals), usually produce negative effects on the ecological status of the river. Thus, due to the increased requirement for sustainable river management solutions, this paper proposes a methodology for selecting suitable technical solutions for riverbank stabilisation. This has two components: (1) characterising, diagnosing and identifying the condition and potential erosion of a riverbank by collecting information at spatial multi-scale and (2) selecting suitable technical solutions to support sustainable riverbank stabilisation through using evaluation matrices and analysis of the adequacy of each technical solution to the intervention site's conditions and stream flow characteristics. This approach allows a holistic and integrated analysis of the bank erosion problems and the selection of stabilising technical solutions that are best suited from a structural viewpoint. In order to comply with the WFD (Water Framework Directive) on river environment issues, complementary criteria are proposed that help select from the chosen technical solutions those that improve the diversity of habitats as well as mitigate the aesthetic impact with the lowest cost. The methodology was applied to a reach of the Cértima River (located in the Centro region of Portugal), where field visits were performed to help assess the riverbanks' condition as well as to select technical solutions for riverbank stabilisation. As a result, it was possible to select a set of the most suitable technical solutions to ensure physical and hydraulic required functions, to minimise morphological and landscape changes in the banks, and to promote habitat diversity. K E Y W O R D S bank erosion, bioengineering technical solutions, Centro region of Portugal, riverbank stabilisation, spatial multi-scale information ---

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Soil Bioengineering: Challenges for Planning and Engineering

Cited by 23 publications

References 2 publications

Monitoring and assessment of a river restoration project in central New York

Monitoring and assessment of a river restoration project in central New York

Observations of Riparian Tree Geometry and Bank Characteristics along a Bank Stability Gradient at the South River, VA

A method for selecting suitable technical solutions to support sustainable riverbank stabilisation

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