Lateral variability of overbank sedimentation on a Devon flood plain

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Lateral variability of overbank sedimentation on a Devon flood plain

Deployment of sediment traps over a 12-month period has enabled investigation of the lateral variability of overbank deposition rates and particle size composition of deposited sediment across a frequently inundated flood plain section of the River Culm, southeast Devon, UK. Although a general exponential decrease in deposition rate and grain size with distance from the channel occurs, signific...

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Rates of overbank sedimentation on the flood plains of several British rivers during the past 100 years

The flood plains of lowland rivers frequently represent important sinks for suspended sediment transported through the river system. However, little is currently known about rates of overbank deposition by British rivers and, more particularly, whether such rates have increased in recent years in response to land use change. The fallout radionuclides Cs and Pb off ;r considerable potential for ...

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The potential application of finite element modelling of flood plain inundation to predict patterns of overbank deposition

Mathematical modelling of overbank inundation and flows faces many problems and is still in its infancy. Work to date has generally been restricted to small reaches. Large-scale models based on longer reaches of river channel are likely to be of greater value for engineering and flood plain management purposes, but the problems associated with the transition from small to large scales need to b...

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River Flood Plains: Some Observations On Their Formation

____-----__-___-___..______-_--_-__________ Introduction_______________________________________ Frequency of overbank flow.__________________________ Formation of a typical flood plain_____._______________ The characteristics of point bars._________________ Sediments forming a typical point bar_________ Process of formation and elevation of the surface of point bars.____________________________...

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Hydrologic modeling of flood conveyance and impacts of historic overbank sedimentation on West Fork Black’s Fork, Uinta Mountains, northeastern Utah, USA

This study assesses historic overbank alluvial sedimentation along a low-gradient reach of West Fork Black’s Fork in the northern Uinta Mountains, Utah. In this previously glaciated setting, an alluvial floodplain that is approximately 400 m wide by 1500 m long has been modified by the combined effects of valley morphometry and the recent history of clear-cut logging during the late 19th and ea...

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ژورنال

عنوان ژورنال: Hydrological Sciences Journal

سال: 1998

ISSN: 0262-6667,2150-3435

DOI: 10.1080/02626669809492168