By Michael Church, Pascale Biron, Andre Roy
Gravel-Bed Rivers: techniques, instruments, Environments provides a definitive assessment of present wisdom of gravel-bed rivers, derived from the 7th foreign Gravel-bed Rivers Workshop, the 5-yearly assembly of the world’s top experts within the box.
each one bankruptcy within the ebook has been particularly commissioned to symbolize parts during which fresh growth has been made within the box. the subjects lined additionally characterize a coherent development in the course of the crucial parts of the topic (hydraulics; sediment delivery; river morphology; instruments and strategies; purposes of science).
- Definitive evaluate of the present wisdom of gravel-bed rivers
- Coverage of either primary and utilized issues
- Edited through top teachers with contributions from key researchers
- Thoroughly edited for caliber and consistency to supply coherent and logical development throughout the valuable components of the topic.
Chapter 1 Secondary Flows in Rivers: Theoretical Framework, contemporary Advances, and present demanding situations (pages 1–22): Vladimir Nikora and Andre G. Roy
Chapter 2 Secondary Flows in Rivers: The impact of complicated Geometry (pages 23–30): Bruce MacVicar
Chapter three features of Secondary circulation in Open Channels: A serious Literature evaluate (pages 31–35): Athanasios (Thanos) N. Papanicolaou
Chapter four Gravel delivery in Granular standpoint (pages 37–55): Philippe Frey and Michael Church
Chapter five On Gravel trade in common Channels (pages 56–67): Judith ok. Haschenburger
Chapter 6 Morphodynamics of Bars in Gravel?Bed Rivers: Bridging Analytical types and box Observations (pages 69–89): Guido Zolezzi, Walter Bertoldi and Marco Tubino
Chapter 7 box Observations of Gravel?Bed River Morphodynamics: views and demanding concerns for trying out of versions (pages 90–95): Nicola Surian
Chapter eight Morphodynamics of Bars in Gravel?Bed Rivers: Coupling Hydraulic Geometry and Analytical types (pages 96–100): Robert G. Millar
Chapter nine Modelling Sediment delivery and Morphodynamics of Gravel?Bed Rivers (pages 101–115): Erik Mosselman
Chapter 10 the opportunity of utilizing High?Resolution technique versions to notify Parameterizations of Morphodynamic types (pages 116–122): Richard J. Hardy
Chapter eleven the significance of Off?Channel Sediment garage in 1?D Morphodynamic Modelling (pages 123–134): J. Wesley Lauer
Chapter 12 circulation recovery in Gravel?Bed Rivers (pages 135–149): Peter R. Wilcock
Chapter thirteen River recovery: Widening views (pages 150–159): Nicholas J. Clifford
Chapter 14 Restoring Geomorphic Resilience in Streams (pages 160–164): Noah P. Snyder
Chapter 15 The Geomorphic reaction of Gravel?Bed Rivers to Dams: views and customers (pages 165–181): Gordon E. Grant
Chapter sixteen Mitigating Downstream results of Dams (pages 182–189): David Gaeuman
Chapter 17 River Geomorphology and Salmonid Habitat: a few Examples Illustrating their complicated organization, from Redd to Riverscape Scales (pages 191–215): Michel Lapointe
Chapter 18 Incorporating Spatial Context into the research of Salmonid–Habitat kinfolk (pages 216–224): Christian E. Torgersen, Colden V. Baxter, Joseph L. Ebersole and Robert E. Gresswell
Chapter 19 Animals and the Geomorphology of Gravel?Bed Rivers (pages 225–241): Stephen P. Rice, Matthew F. Johnson and Ian Reid
Chapter 20 Geomorphology and Gravel?Bed River surroundings providers: Workshop results (pages 242–257): Normand Bergeron and Joanna Eyquem
Chapter 21 distant Sensing of the Hydraulic setting in Gravel?Bed Rivers (pages 259–285): W. Andrew Marcus
Chapter 22 LiDAR and ADCP Use in Gravel?Bed Rivers: Advances considering that GBR6 (pages 286–302): David J. Milan and George L. Heritage
Chapter 23 Remotely Sensed Topographic swap in Gravel Riverbeds with Flowing Channels (pages 303–314): D. Murray Hicks
Chapter 24 smooth electronic tools and methods for Hydrodynamic and Morphologic Characterization of River Channels (pages 315–341): Marian Muste, Dongsu Kim and Venkatesh Merwade
Chapter 25 Mapping Water and Sediment Flux Distributions in Gravel?Bed Rivers utilizing ADCPs (pages 342–350): Colin D. Rennie
Chapter 26 contemporary Advances within the Dynamics of Steep Channels (pages 351–377): Francesco Comiti and Luca Mao
Chapter 27 studying person Step balance inside of Step?Pool Sequences (pages 378–385): Joanna Crowe Curran
Chapter 28 Alluvial Steep Channels: stream Resistance, Bedload shipping Prediction, and Transition to mess Flows (pages 386–397): Dieter Rickenmann
Chapter 29 Semi?Alluvial Channels and Sediment?Flux?Driven Bedrock Erosion (pages 399–418): Jens M. Turowski
Chapter 30 shipping skill, Bedrock publicity, and strategy domain names (pages 419–423): Thomas E. Lisle
Chapter 31 Nomenclature, Complexity, Semi?Alluvial Channels and Sediment?Flux?Driven Bedrock Erosion (pages 424–431): Lyubov V. Meshkova, Paul A. Carling and Thomas Buffin?Belanger
Chapter 32 alterations in Channel Morphology Over Human Time Scales (pages 433–463): John M. Buffington
Chapter 33 Channel reaction and restoration to adjustments in Sediment provide (pages 464–473): Marwan A. Hassan and Andre E. Zimmermann
Chapter 34 Alluvial panorama Evolution: What can we learn about Metamorphosis of Gravel?Bed Meandering and Braided Streams? (pages 474–501): Francois Metivier and Laurie Barrier
Chapter 35 variations in Sediment offer to Braided and Single?Thread River Channels: What Do the information let us know? (pages 502–511): John Pitlick, Erich R. Mueller and Catalina Segura
Chapter 36 will we hyperlink reason and impression in panorama Evolution? (pages 512–522): Thomas J. Coulthard and Marco J. Van De Wiel
Chapter 37 River?Ice results on Gravel?Bed Channels (pages 523–540): Robert Ettema and Edward W. Kempema
Chapter 38 Is There a Northern Signature on Fluvial shape? (pages 541–545): James P. McNamara
Chapter 39 Long?Term and Large?Scale River?Ice procedures in Cold?Region Watersheds (pages 546–554): Etienne Boucher, Yves start, Dominique Arseneault and Taha B. M. J. Ouarda
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Additional info for Gravel-Bed Rivers: Processes, Tools, Environments
1). ‘Spiral’ currents are particularly profound among these features and represent a key facet of nearly all of his water drawings. 1). It is fascinating how this description, given 500 years ago, is similar to a modern view of the mean flow structure as a superposition of the primary flow and the orthogonal secondary flows. , time-averaged) and fluctuating turbulent components (Tsinober, 2009), although the first interpretation seems better justified. , Thomson, 1876; Francis, 1878; Wood, 1879;Cunningham, 1883; Stearns, 1883; Leliavski, 1894; Gibson, 1909; Joukowski, 1915).
2010). 2, where it is proposed that secondary flows are fed by turbulence. Pinelli et al. (2010) performed direct numerical simulations of smooth-wall turbulent flow in a straight square duct with a particular focus on the role of coherent structures in the generation and characterization of near-corner cells. They found that the buffer layer structures determine the distribution of mean streamwise vorticity, while the shape of the cells is influenced by larger-scale motions. 3 Field experimental set-up in a bend of the Tollense River near Lebbin (2009) for studying secondary currents by the research group of A.
5 SECONDARY CURRENTS, SEDIMENTS AND MORPHODYNAMICS Since the pioneering works of river navigation engineers, it is widely accepted that secondary flows play a significant role in channel deformation, bank stability, and sediment transport. One of the historically earliest explanations of secondary currents involved suspended sediments as a key factor of their generation (Vanoni, 1946). In his experiments, Vanoni (1946) noticed that the addition of a small amount of fine sediments in a clearwater open-channel flow led to the modification of the velocity distribution across the channel and formation of longitudinal streaks in the suspended sediment concentration field (three strong streaks at the channel centre and weaker streaks near the walls).