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Modeling the dynamics of soil erosion and size-selective sediment transport over nonuniform topography in flume-scale experiments

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Modeling the dynamics of soil erosion and size-selective sediment transport over nonuniform topography in flume-scale experiments. / Heng, B. C. P.; Sander, G. C.; Armstrong, A. et al.
In: Water Resources Research, Vol. 47, No. 2, W02513, 10.02.2011.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Heng, BCP, Sander, GC, Armstrong, A, Quinton, J, Chandler, JH & Scott, CF 2011, 'Modeling the dynamics of soil erosion and size-selective sediment transport over nonuniform topography in flume-scale experiments', Water Resources Research, vol. 47, no. 2, W02513. https://doi.org/10.1029/2010wr009375

APA

Heng, B. C. P., Sander, G. C., Armstrong, A., Quinton, J., Chandler, J. H., & Scott, C. F. (2011). Modeling the dynamics of soil erosion and size-selective sediment transport over nonuniform topography in flume-scale experiments. Water Resources Research, 47(2), Article W02513. https://doi.org/10.1029/2010wr009375

Vancouver

Heng BCP, Sander GC, Armstrong A, Quinton J, Chandler JH, Scott CF. Modeling the dynamics of soil erosion and size-selective sediment transport over nonuniform topography in flume-scale experiments. Water Resources Research. 2011 Feb 10;47(2):W02513. doi: 10.1029/2010wr009375

Author

Heng, B. C. P. ; Sander, G. C. ; Armstrong, A. et al. / Modeling the dynamics of soil erosion and size-selective sediment transport over nonuniform topography in flume-scale experiments. In: Water Resources Research. 2011 ; Vol. 47, No. 2.

Bibtex

@article{b4bb23dd92804fd59b3fcdc71591a7c6,
title = "Modeling the dynamics of soil erosion and size-selective sediment transport over nonuniform topography in flume-scale experiments",
abstract = "Soil erosion and the associated nutrient fluxes can lead to severe degradation of surface waters. Given that both sediment transport and nutrient sorption are size selective, it is important to predict the particle size distribution (PSD) as well as the total amount of sediment being eroded. In this paper, a finite volume implementation of the Hairsine-Rose soil erosion model is used to simulate flume-scale experiments with detailed observations of soil erosion and sediment transport dynamics. The numerical implementation allows us to account for the effects of soil surface microtopography (measured using close range photogrammetry) on soil erosion. An in-depth discussion of the model parameters and the constraints is presented. The model reproduces the dynamics of sediment concentration and PSD well, although some discrepancies can be observed. The calibrated parameters are also consistent with independent data in the literature and physical reason. Spatial variations in the suspended and deposited sediment and an analysis of model sensitivity highlight the value of collecting distributed data for a more robust validation of the model and to enhance parametric determinacy. The related issues of spatial resolution and scale in erosion prediction are briefly discussed.",
keywords = "Soil erosion, particle size distribution, microtopography, Model calibration, sediment transport",
author = "Heng, {B. C. P.} and Sander, {G. C.} and A. Armstrong and John Quinton and Chandler, {J. H.} and Scott, {C. F.}",
note = "721BQ Times Cited:1 Cited References Count:51 {\textcopyright}2011. American Geophysical Union. All Rights Reserved.",
year = "2011",
month = feb,
day = "10",
doi = "10.1029/2010wr009375",
language = "English",
volume = "47",
journal = "Water Resources Research",
issn = "0043-1397",
publisher = "AMER GEOPHYSICAL UNION",
number = "2",

}

RIS

TY - JOUR

T1 - Modeling the dynamics of soil erosion and size-selective sediment transport over nonuniform topography in flume-scale experiments

AU - Heng, B. C. P.

AU - Sander, G. C.

AU - Armstrong, A.

AU - Quinton, John

AU - Chandler, J. H.

AU - Scott, C. F.

N1 - 721BQ Times Cited:1 Cited References Count:51 ©2011. American Geophysical Union. All Rights Reserved.

PY - 2011/2/10

Y1 - 2011/2/10

N2 - Soil erosion and the associated nutrient fluxes can lead to severe degradation of surface waters. Given that both sediment transport and nutrient sorption are size selective, it is important to predict the particle size distribution (PSD) as well as the total amount of sediment being eroded. In this paper, a finite volume implementation of the Hairsine-Rose soil erosion model is used to simulate flume-scale experiments with detailed observations of soil erosion and sediment transport dynamics. The numerical implementation allows us to account for the effects of soil surface microtopography (measured using close range photogrammetry) on soil erosion. An in-depth discussion of the model parameters and the constraints is presented. The model reproduces the dynamics of sediment concentration and PSD well, although some discrepancies can be observed. The calibrated parameters are also consistent with independent data in the literature and physical reason. Spatial variations in the suspended and deposited sediment and an analysis of model sensitivity highlight the value of collecting distributed data for a more robust validation of the model and to enhance parametric determinacy. The related issues of spatial resolution and scale in erosion prediction are briefly discussed.

AB - Soil erosion and the associated nutrient fluxes can lead to severe degradation of surface waters. Given that both sediment transport and nutrient sorption are size selective, it is important to predict the particle size distribution (PSD) as well as the total amount of sediment being eroded. In this paper, a finite volume implementation of the Hairsine-Rose soil erosion model is used to simulate flume-scale experiments with detailed observations of soil erosion and sediment transport dynamics. The numerical implementation allows us to account for the effects of soil surface microtopography (measured using close range photogrammetry) on soil erosion. An in-depth discussion of the model parameters and the constraints is presented. The model reproduces the dynamics of sediment concentration and PSD well, although some discrepancies can be observed. The calibrated parameters are also consistent with independent data in the literature and physical reason. Spatial variations in the suspended and deposited sediment and an analysis of model sensitivity highlight the value of collecting distributed data for a more robust validation of the model and to enhance parametric determinacy. The related issues of spatial resolution and scale in erosion prediction are briefly discussed.

KW - Soil erosion

KW - particle size distribution

KW - microtopography

KW - Model calibration

KW - sediment transport

UR - http://www.scopus.com/inward/record.url?scp=79951806387&partnerID=8YFLogxK

U2 - 10.1029/2010wr009375

DO - 10.1029/2010wr009375

M3 - Journal article

VL - 47

JO - Water Resources Research

JF - Water Resources Research

SN - 0043-1397

IS - 2

M1 - W02513

ER -