By Michael Church, Pascale Biron, Andre Roy
Gravel-Bed Rivers: techniques, instruments, Environments provides a definitive overview of present wisdom of gravel-bed rivers, derived from the 7th foreign Gravel-bed Rivers Workshop, the 5-yearly assembly of the world’s major professionals within the box.
each one bankruptcy within the ebook has been particularly commissioned to symbolize parts during which contemporary development has been made within the box. the themes coated additionally signify a coherent development in the course of the significant components of the topic (hydraulics; sediment shipping; river morphology; instruments and techniques; functions of science).
- Definitive evaluation of the present wisdom of gravel-bed rivers
- Coverage of either primary and utilized subject matters
- Edited through best teachers with contributions from key researchers
- Thoroughly edited for caliber and consistency to supply coherent and logical development throughout the critical components of the topic.
Chapter 1 Secondary Flows in Rivers: Theoretical Framework, fresh Advances, and present demanding situations (pages 1–22): Vladimir Nikora and Andre G. Roy
Chapter 2 Secondary Flows in Rivers: The influence of advanced Geometry (pages 23–30): Bruce MacVicar
Chapter three points of Secondary movement in Open Channels: A serious Literature evaluate (pages 31–35): Athanasios (Thanos) N. Papanicolaou
Chapter four Gravel shipping in Granular standpoint (pages 37–55): Philippe Frey and Michael Church
Chapter five On Gravel trade in usual 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 significant concerns for trying out of types (pages 90–95): Nicola Surian
Chapter eight Morphodynamics of Bars in Gravel?Bed Rivers: Coupling Hydraulic Geometry and Analytical versions (pages 96–100): Robert G. Millar
Chapter nine Modelling Sediment shipping and Morphodynamics of Gravel?Bed Rivers (pages 101–115): Erik Mosselman
Chapter 10 the opportunity of utilizing High?Resolution strategy types 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 move 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 advanced organization, from Redd to Riverscape Scales (pages 191–215): Michel Lapointe
Chapter 18 Incorporating Spatial Context into the research of Salmonid–Habitat relatives (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 atmosphere providers: Workshop results (pages 242–257): Normand Bergeron and Joanna Eyquem
Chapter 21 distant Sensing of the Hydraulic surroundings in Gravel?Bed Rivers (pages 259–285): W. Andrew Marcus
Chapter 22 LiDAR and ADCP Use in Gravel?Bed Rivers: Advances due to the fact GBR6 (pages 286–302): David J. Milan and George L. Heritage
Chapter 23 Remotely Sensed Topographic switch in Gravel Riverbeds with Flowing Channels (pages 303–314): D. Murray Hicks
Chapter 24 sleek electronic tools and strategies 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 interpreting person Step balance inside of Step?Pool Sequences (pages 378–385): Joanna Crowe Curran
Chapter 28 Alluvial Steep Channels: circulation 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 delivery means, Bedrock publicity, and technique 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 alterations in Sediment offer (pages 464–473): Marwan A. Hassan and Andre E. Zimmermann
Chapter 34 Alluvial panorama Evolution: What will we learn about Metamorphosis of Gravel?Bed Meandering and Braided Streams? (pages 474–501): Francois Metivier and Laurie Barrier
Chapter 35 modifications in Sediment offer to Braided and Single?Thread River Channels: What Do the knowledge let us know? (pages 502–511): John Pitlick, Erich R. Mueller and Catalina Segura
Chapter 36 do we hyperlink reason and influence 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 methods in Cold?Region Watersheds (pages 546–554): Etienne Boucher, Yves commence, Dominique Arseneault and Taha B. M. J. Ouarda
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Extra resources for Gravel-Bed Rivers: Processes, Tools, Environments
2008), where extensive references and a thorough assessment of current and future research directions can be found. The rapid development of measurement and numerical capabilities in recent years has brought new significant results and the authors feel that it may be useful to highlight recent progress in understanding secondary flows, as well as to identify research challenges and opportunities in studying this phenomenon, while keeping overlap with the previous reviews to the minimum. In particular, the focus of this chapter is on: (i) theoretical frameworks for studying secondary flows, (ii) interrelations between turbulence and secondary flows, and (iii) secondary flow effects on hydraulic resistance, sediment dynamics, and mixing.
Based on extensive experiments in a large, straight, gravel bed flume, Albayrak (2008) explored properties of prevailing coherent structures and their relation to the secondary flow cells. He found that Adrian’s (2007) model of hairpin packets is applicable to the conditions of rough-bed open-channel flows, confirming earlier findings of Hurther et al. (2007). Furthermore, Albayrak (2008) showed that the vertical extension of the hairpin packets is significantly enhanced in upwelling zones of the secondary flow cells and reduced in downwelling zones.
More recently, Yang and Lim (1997) used the mean flow energy balance to hypothesize that the surplus mean energy in any arbitrary flow volume will be transferred along the direction towards the nearest boundary. They applied this assumption to study the bed shear stress distribution in the presence of the secondary currents in uniform straight channels. The potential of the mean energy balance for studying secondary flows is high and needs to be better explored. Below we propose an approach to how the mean energy balance can be utilized to look at possible energy fluxes between primary mean flow, secondary mean flow, and turbulence.