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Details of Award

NERC Reference : NER/B/S/2002/00354

Gravel-bar dynamics: testing a 2-D modelling approach.

Grant Award

Principal Investigator:
Professor RI Ferguson, University of Sheffield, Geography
Co-Investigator:
Professor S Rice, Loughborough University, Geography and Environment
Science Area:
Freshwater
Overall Classification:
Freshwater
ENRIs:
Natural Resource Management
Environmental Risks and Hazards
Science Topics:
Earth Surface Processes
Sediment/Sedimentary Processes
Hydrological Processes
Abstract:
Bars are the fundamental morphological units in gravel-bed rivers. The non-uniform flow around and over them has major implications ranging from greater aquatic habitat diversity to erosion/deposition problems and aggravation of local flood risk. Yet predictive modelling of bar morphology and surface texture, and how they evolve during floods, is poorly developed. We will modify a 2-D flow and sediment routing model previously used in sand-bed rivers to simulate the dynamics of bars in Fraser River, Canada, for which we have detailed setup and test data through our ongoing collaboration with scientists at UBC. We will investigate alternative bedload transport algorithms, and simulate and test firstly bar dynamics in short periods of steady high flow, then bar evolution during seasonal high flow.
Period of Award:
7 Jan 2003 - 6 Aug 2004
Value:
£19,015
Authorised funds only
NERC Reference:
NER/B/S/2002/00354
Grant Stage:
Completed
Scheme:
Small Grants Pre FEC
Grant Status:
Closed
Programme:
Small Grants

This grant award has a total value of £19,015  

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FDAB - Financial Details (Award breakdown by headings)

Total - T&STotal - Other CostsTotal - Equipment
£10,187£2,912£5,916

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