Space and time in river bank erosion research: a review

Couper, Pauline

doi:10.1111/j.0004-0894.2004.00239.x

Cited by 51 publications

(44 citation statements)

References 109 publications

(156 reference statements)

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Section: Introductionmentioning

confidence: 99%

“…For example, Couper (2004) identified 66 bank erosion studies conducted from 1959 to 2003 and reported that 59 of them focused at the site or reach scale and seven studies focused at the catchment scale. Linking spatial scales across time scales of years is rarely done for watershed-scale analyses (Couper, 2004;Florsheim et al, 2008). Considering the spatial distribution, extent, and temporal frequency of bank erosion at the watershed scale is important for understanding the impacts of bank erosion processes on channel geomorphology, stream ecology, and downstream sediment and nutrient flux (Florsheim et al, 2008).…”

Section: Introductionmentioning

confidence: 99%

“…Our objectives were to 1) quantify the extent of severe streambank erosion along the main channel within a small, third-order Iowa watershed; 2) measure rates of annual and event-based bank erosion at representative sites; and 3) estimate the contribution of streambank sediment to watershed-scale suspended sediment loads. Study results are intended to bridge the gap between spatial and temporal scales in bank erosion research and link these scales together in a "coherent view of the whole" (Couper, 2004).…”

Section: Introductionmentioning

confidence: 99%

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Streambank erosion rates and loads within a single watershed: Bridging the gap between temporal and spatial scales

et al. 2014

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The importance of streambank erosion to watershed-scale sediment export is being increasingly recognized. However few studies have quantified bank erosion and watershed sediment flux at the basin scale across temporal and spatial scales. In this study we evaluated the spatial distribution, extent, and temporal frequency of bank erosion in the 5218 ha Walnut Creek watershed in Iowa across a seven year period. We inventoried severely eroding streambanks along over 10 km of stream and monitored erosion pins at 20 sites within the watershed. Annual streambank recession rates ranged from 0.6 cm/yr during years of hydrological inactivity to 28.2 cm/yr during seasons with high discharge rates, with an overall average of 18.8 cm/yr. The percentage of total basin export attributed to streambank erosion along the main stem of Walnut Creek ranged from 23 to 53%. Large variations in individual site, annual rates and percentage of annual load suggested that developing direct relationships between streambank erosion rates and total sediment discharge may be confounded by the timing and magnitude of discharge events, storage of sediments within channel system and the remobilization of eroded material. RightsWorks produced by employees of the U.S. Government as part of their official duties are not copyrighted within the U.S. The content of this document is not copyrighted. The importance of streambank erosion to watershed-scale sediment export is being increasingly recognized. However few studies have quantified bank erosion and watershed sediment flux at the basin scale across temporal and spatial scales. In this study we evaluated the spatial distribution, extent, and temporal frequency of bank erosion in the 5218 ha Walnut Creek watershed in Iowa across a seven year period. We inventoried severely eroding streambanks along over 10 km of stream and monitored erosion pins at 20 sites within the watershed. Annual streambank recession rates ranged from 0.6 cm/yr during years of hydrological inactivity to 28.2 cm/yr during seasons with high discharge rates, with an overall average of 18.8 cm/yr. The percentage of total basin export attributed to streambank erosion along the main stem of Walnut Creek ranged from 23 to 53%. Large variations in individual site, annual rates and percentage of annual load suggested that developing direct relationships between streambank erosion rates and total sediment discharge may be confounded by the timing and magnitude of discharge events, storage of sediments within channel system and the remobilization of eroded material.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Streambank erosion rates and loads within a single watershed: Bridging the gap between temporal and spatial scales

et al. 2014

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“…Ze beschermen de oever eveneens tegen klimatologische omstandigheden zoals hevige wind en overmatige zonnestraling (Fischenich, 2000a). Anderzijds beïnvloeden oevervegetaties ook de hydraulica van de geul, het debiet en de stroming door hun biotechnische kenmerken (Morgan & Rickson 1995;Couper 2004). Hierbij is de erosiedynamiek afhankelijk van de sedimentbeschikbaarheid en het transportregime (Benda et al 2004).…”

Section: Ecologische En Geomorfologische Processen En Relatiesunclassified

Toekomstgerichte opvolging van de verschillende natuurvriendelijke oeververdedigingstechnieken langs de Moervaart : Eindrapport

Vermeersch¹,

Dhaluin²

2017

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“…These contributions include a number of excellent reviews (Lawler, 1993;Lawler et al, 1997b;Couper, 2004), including those published by Grissinger (1982) and Thorne (1982) in the original Gravel-Bed Rivers volume . So what might 'yet' another review of bank-erosion processes actually achieve?…”

Section: Introductionmentioning

confidence: 99%

9 Modelling river-bank-erosion processes and mass failure mechanisms: progress towards fully coupled simulations

Rinaldi¹,

Darby²

2007

Gravel-Bed Rivers VI: From Process Understanding to River Restoration

118

115

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This paper reviews recent developments in modelling the two main sets of bankerosion processes and mechanisms, namely fluvial erosion and mass failure, before suggesting an avenue for research to make further progress in the future. Our review of mass failure mechanisms reveals that the traditional use of limit equilibrium methods to analyse bank stability has in recent years been supplemented by research that has made progress in understanding and modelling the role of positive and negative pore water pressures, confining river pressures, and hydrograph characteristics. While understanding of both fluvial erosion and mass failure processes has improved in recent years, we identify a key limitation in that few studies have examined the nature of the interaction between these processes. We argue that such interactions are likely to be important in gravel-bed rivers and present new simulations in which fluvial erosion, pore water pressure, and limit equilibrium stability models are combined into a fully coupled analysis. The results suggest that existing conceptual models, which describe how bank materials are delivered to the fluvial sediment transfer system, may need to be revised to account for the unforeseen effects introduced by feedback between the interacting processes.

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Space and time in river bank erosion research: a review

Cited by 51 publications

References 109 publications

Streambank erosion rates and loads within a single watershed: Bridging the gap between temporal and spatial scales

Streambank erosion rates and loads within a single watershed: Bridging the gap between temporal and spatial scales

Toekomstgerichte opvolging van de verschillende natuurvriendelijke oeververdedigingstechnieken langs de Moervaart : Eindrapport

9 Modelling river-bank-erosion processes and mass failure mechanisms: progress towards fully coupled simulations

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