Improving bank erosion modelling at catchment scale by incorporating temporal and spatial variability

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dc.contributor.authorJanes, V. J.
dc.contributor.authorHolman, Ian P.
dc.contributor.authorBirkinshaw, S. J.
dc.contributor.authorO’Donnell, G.
dc.contributor.authorKilsby, C. G.
dc.date.accessioned2017-03-29T11:34:47Z
dc.date.available2017-03-29T11:34:47Z
dc.date.issued2017-03-17
dc.description.abstractBank erosion can contribute a significant portion of the sediment budget within temperate catchments, yet few catchment scale models include an explicit representation of bank erosion processes. Furthermore, representation is often simplistic resulting in an inability to capture realistic spatial and temporal variability in simulated bank erosion. In this study, the sediment component of the catchment scale model SHETRAN is developed to incorporate key factors influencing the spatio-temporal rate of bank erosion, due to the effects of channel sinuosity and channel bank vegetation. The model is applied to the Eden catchment, north-west England, and validated using data derived from a GIS methodology. The developed model simulates magnitudes of total catchment annual bank erosion (617 - 4063 t yr-1) within the range of observed values (211 - 4426 t yr-1). Additionally the model provides both greater inter-annual and spatial variability of bank eroded sediment generation when compared with the basic model, and indicates a potential 61% increase of bank eroded sediment as a result of temporal flood clustering. The approach developed within this study can be used within a number of distributed hydrologic models and has general applicability to temperate catchments, yet further development of model representation of bank erosion processes is required.en_UK
dc.identifier.citationJanes VJ, Holman I, Birkinshaw SJ, et al., (2017) Improving bank erosion modelling at catchment scale by incorporating temporal and spatial variability. Earth Surface Processes and Landforms, Volume 43, Issue 1, January 2018, pp. 124-133en_UK
dc.identifier.issn0197-9337
dc.identifier.urihttp://dx.doi.org/10.1002/esp.4149
dc.identifier.urihttp://dspace.lib.cranfield.ac.uk/handle/1826/11683
dc.language.isoenen_UK
dc.publisherWileyen_UK
dc.rightsAttribution 4.0 International
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectBank erosionen_UK
dc.subjectsedimenten_UK
dc.subjectsinuosityen_UK
dc.subjectvegetationen_UK
dc.subjectcatchmenten_UK
dc.titleImproving bank erosion modelling at catchment scale by incorporating temporal and spatial variabilityen_UK
dc.typeArticleen_UK

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