Latest revision as of 17:34, 15 April 2013

0D sediment budget and routing models

Type

Hydromorphological models

Basic principles

Outputs

Flow velocities, water depths, water levels, flow shear stresses. Sediment transport.

Rivertypes

• Catchment
•    Catchment

Related Pressures

• Surface water abstraction
• Groundwater abstractions
• Hydropeaking
• Sediment discharge from dredging
• Reservoir flushing
• Hydrological regime modification
• Interbasin flow transfers
• Discharge diversions and returns
• Colinear connected reservoir
• Artificial barriers downstream from the site
• Artificial barriers upstream from the site

Related Measures

• Improve/Create water storage
• Reduce water consumption
• Increase minimum flows
• Recycle used water
• Improve water retention
• Reduce surface water abstraction with return
• Water diversion and transfer
• Reduce surface water abstraction without return
• Reduce groundwater extraction
• Reduce undesired sediment input
• Manage dams for sediment flow
• Reduce erosion
• Add/feed sediment
• Prevent sediment accumulation in reservoirs
• Improve continuity of sediment transport
• Trap sediments
• Facilitate downstream migration
• Manage sluice and weir operation for fish migration
• Remove barrier
• Install fish pass/bypass/side channel for upstream migration
• Modify culverts, syphons, piped streams
• Fish-friendly turbines and pumping stations

Useful references

Selected software systems

SIAM: https://swwrp.usace.army.mil/

ST:REAM:

SETRAC: http://www.bedload.at/index.php?option=com_content&view=article&id=47&Itemid=55&lang=en

Theoretical background

Rieckenmann D., Chiari M., Friedl K. (2006): Setrac - A sediment routing model for steep torrent channels. In: R. Ferreira, E. Alves, J. Leal, A., Cardoso [eds.], River Flow 2006, Taylor & Francis, London, pp. 843-852.

Chiari M. (2008): Numerical modelling of bedload transport in torrents and mountain streams. PhD thesis, BOKU Wien, Österreich.

Sample applications

Chiari M. and Rickenmann D. (2007): Influence of form roughness on modelling sediment transport at steep slopes. In: Kostadinov, St., Bruk, St., Walling, D. [Eds.], International Conference, Making 100 years of experience with erosion and torrent control in Serbia, conference Abstracts, Erosion and torrent control as a factor in sustainable river basin management, 25.-28. September 2007, Belgrad, pp. 55-56.

Chiari M. and Rickenmann D. (2009): Modellierung des Geschiebetransportes mit dem Modell SETRAC für das Hochwasser im August 2005 in Schweizer Gebirgsflüssen.