Special Issue "Streambank Erosion: Monitoring, Modeling and Management"
Deadline for manuscript submissions: closed (31 January 2018) | Viewed by 40396
Interests: stream/aquifer interaction; streambank erosion and failure; seepage erosion; subsurface nutrient transport; vegetative filter strips; and contaminant transport modeling
Interests: environmental fluid mechanics; transport of coarse- and fine-grained sediment; computational fluid dynamics; predictive capability of hydrodynamic and morphodynamic numerical models
The purpose of this Special Issue is to compile recent progress and new research directions on streambank monitoring, modeling, and management. Streambank erosion is recognized as a significant contributor to total watershed sediment and nutrient loading. In many Conservation Effects Assessment Project (CEAP) watersheds in the United States, for example, sediment eroded from banks is one of the primary sources of bed material in streams, even when compared to upland sediment sources 1. Nowadays, technologies such as terrestrial and airborne LIDAR, unmanned aerial systems, and drones are opening new avenues for a more detailed streambank erosion monitoring. In-stream sediment concentration remains one of the more poorly quantified water quality parameters due to the difficulty in obtaining accurate estimates of sediment transport. New techniques for measuring bed-load and suspended-sediment transport that aim to address this limitation, including acoustic Doppler current profilers, laser diffraction, optical sediment flux, and pressure differential and bulk optics, warrant further attention and assessment, particularly when applied to a wide variety of stream types. Current channel modification strategies place a heavy emphasis on channel form rather than on physically-based processes. Typically, a standardized approach that relies on channel classification is applied to stream restoration and stabilization projects. This method often relies on creating a certain channel form from a reference reach that is considered “good”; however, this channel form may not be suitable for the amount of sediment or the valley slope. Therefore, there is a need to assess the performance and suitability of these standardized approaches, as well as to better understand the contribution of process-based models in evaluating stabilization and restoration efforts. Such advances will allow the research and management communities to better address the benefit of various conservation and/or stabilization practices at targeted locations within watersheds.
1Tomer, M.D.; Locke, M.A. The challenge of documenting water quality benefits of conservation practices: A review of USDAARS’s Conservation Effects Assessment Project watershed studies. Water Sci. Technol. 2001, 64, 300–310.
Prof. Garey A. Fox
Dr. Celso Castro-Bolinaga
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- Bank stability
- Computational fluid dynamics
- Fluvial erosion
- Hydrodynamic models
- Morphodynamic models
- Streambank stabilization
- Transport of coarse- and fine-grained sediment.