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2020

Alluvial architecture of mid‐channel fluvial–tidal barforms: The mesotidal Lower Columbia River, Oregon/Washington, USA

Prokocki, E. W., Best, J. L., Ashworth, P., Sambrook-Smith, G. H., Nicholas, A. P., Parsons, D. R. & Simpson, C. J., 12 May 2020, In : Sedimentology.

Research output: Contribution to journalArticle

2018

Hydrodynamic modelling of tidal-fluvial flows in a large river estuary

Sandbach, S. D., Nicholas, A. P., Ashworth, P., Best, J. L., Keevil, C., Parsons, D. R., Prokocki, E. W. & Simpson, C. J., 27 Jun 2018, In : Estuarine, Coastal and Shelf Science. 212, p. 176-188

Research output: Contribution to journalArticle

Open Access
File

Morphology and spacing of river meander scrolls

Strick, R. J. P., Ashworth, P., Awcock, G. & Lewin, J., 9 Mar 2018, In : Geomorphology. 310, p. 57-68 12 p.

Research output: Contribution to journalArticle

Open Access
File

Quantification of bedform dynamics and bedload sediment flux in sandy braided rivers from airborne and satellite imagery

Strick, R. J. P., Ashworth, P., Sambrook Smith, G. H., Nicholas, A., Best, J. L., Lane, S., Parsons, D., Simpson, C. J., Unsworth, C. & Dale, J., 3 Dec 2018, In : Earth Surface Processes and Landforms. 20 p.

Research output: Contribution to journalArticle

Open Access
File

The adaptation of dunes to changes in river flow

Reesink, A., Parsons, D., Ashworth, P., Best, J., Hardy, R., Murphy, B., McLelland, S. & Unsworth, C., 5 Sep 2018, In : Earth-Science Reviews. 185, p. 1065-1087

Research output: Contribution to journalArticle

Open Access
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The impact of non-equilibrium flow on the structure of turbulence over river dunes

Unsworth, C., Parsons, D., Hardy, R., Reesink, A., Best, J., Ashworth, P. & Keevil, G., 24 Aug 2018, In : Water Resources Research.

Research output: Contribution to journalArticle

Open Access
File
2016

Spillage sedimentation on large river floodplains

Lewin, J., Ashworth, P. & Strick, R. J. P., 22 Jul 2016, In : Earth Surface Processes and Landforms. 42, 2, p. 290-305 16 p.

Research output: Contribution to journalArticle

Open Access
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2015

The role of discharge variability in determining alluvial stratigraphy

Nicholas, A. P., Sambrook-Smith, G. H., Amsler, M. L., Ashworth, P., Best, J. L., Hardy, R. J., Lane, S. N., Orfeo, O., Parsons, D. R., Reesink, A. J. H., Sandbach, S. D., Simpson, C. J. & Szupiany, R. N., 11 Nov 2015, In : Geology. 44, 1, p. 3-6 4 p.

Research output: Contribution to journalArticle

Open Access
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2014

The negative relief of large river floodplains

Lewin, J. & Ashworth, P., 1 Feb 2014, In : Earth-Science Reviews. 129, p. 1-23 23 p.

Research output: Contribution to journalArticle

Open Access
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2013

Application of a roughness-length representation to parameterize energy-loss in 3D numerical simulations of large rivers

Sandbach, S. D., Lane, S. N., Hardy, R. J., Amsler, M. L., Ashworth, P., Best, J. L., Orfeo, O., Parsons, D. R., Reesink, A. J. H., Sambrook-Smith, G. H. & Szupiany, R. N., 1 Jan 2013, In : Water Resources Research. 48, 12

Research output: Contribution to journalArticle

Communicating geomorphology: global challenges for the twenty-first century

Gregory, K., Lane, S. N., Lewin, J., Ashworth, P., Downs, P. W., Kirkby, M. J. & Viles, H. A., 1 Aug 2013, In : Earth Surface Processes and Landforms. 39, 4, p. 476-486 11 p.

Research output: Contribution to journalArticle

Defining large river channel patterns: alluvial exchange and plurality

Lewin, J. & Ashworth, P., 1 Jan 2013, In : Geomorphology. 215, p. 83-98 16 p.

Research output: Contribution to journalArticle

Open Access
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Deposits of the sandy braided South Saskatchewan River: implications for the use of modern analogs in reconstructing channel dimensions in reservoir characterization

Lunt, I. A., Sambrook-Smith, G. H., Best, J. L., Ashworth, P., Lane, S. N. & Simpson, C. J., 1 Apr 2013, In : Bulletin of the American Association of Petroleum Geologists. 97, 4, p. 553-576 24 p.

Research output: Contribution to journalArticle

Open Access
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Numerical simulation of bar and island morphodynamics in anabranching mega-rivers

Nicholas, A. P., Ashworth, P., Sambrook-Smith, G. H. & Sandbach, S. D., 1 Dec 2013, In : Journal of Geophysical Research: Earth Surface. 118, 4, p. 2019-2044 26 p.

Research output: Contribution to journalArticle

Open Access
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Quantification of the relationship between surface morphodynamics and subsurface sedimentological product in sandy braided rivers

Parker, N. O., Sambrook-Smith, G. H., Ashworth, P., Best, J. L., Lane, S. N., Lunt, I. A., Simpson, C. J. & Thomas, R. E., 1 Apr 2013, In : Sedimentology. 60, 3, p. 820-839 20 p.

Research output: Contribution to journalArticle

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Scales and causes of heterogeneity in bars in a large multi-channel river: Río Paraná, Argentina

Reesink, A. J. H., Ashworth, P., Sambrook-Smith, G. H., Best, J. L., Parsons, D. R., Amsler, M. L., Hardy, R. J., Lane, S. N., Nicholas, A. P., Orfeo, O., Sandbach, S. D., Simpson, C. J. & Szupiany, R. N., 1 Jan 2013, In : Sedimentology. 61, 4, p. 1055-1085 31 p.

Research output: Contribution to journalArticle

File
2012

How do big rivers come to be different?

Ashworth, P. & Lewin, J., 2012, In : Earth-Science Reviews. 114, 1-2, p. 84-107 24 p.

Research output: Contribution to journalArticle

File

Modelling hydrodynamics in the Rio Paraná, Argentina: an evaluation and inter-comparison of reduced-complexity and physics-based models applied to a large sand-bed river

Nicholas, A. P., Sandbach, S. D., Ashworth, P., Amsler, M. L., Best, J. L., Hardy, R. J., Lane, S. N., Orfeo, O., Parsons, D. R., Reesink, A. J. H., Sambrook-Smith, G. H. & Szupiany, R. N., 1 Jan 2012, In : Geomorphology. 169-170, p. 192-211 20 p.

Research output: Contribution to journalArticle

Tributary, distributive and other fluvial patterns; what really represents the norm in the continental rock record (invited review)

Fielding, C. R., Ashworth, P., Best, J. L., Prokocki, E. W. & Sambrook-Smith, G. H., 1 Jan 2012, In : Sedimentary Geology. 261-262, p. 15-32 18 p.

Research output: Contribution to journalArticle

2011

Evolution and sedimentology of a channel fill in the sandy braided South Saskatchewan River and its comparison to the deposits of an adjacent compound bar

Ashworth, P., Sambrook-Smith, G. H., Best, J. L., Bridge, J. S., Lane, S. N., Lunt, I. A., Reesink, A. J. H., Simpson, C. J. & Thomas, R. E., 1 Dec 2011, In : Sedimentology. 58, 7, p. 1860-1883 24 p.

Research output: Contribution to journalArticle

2010

Can we distinguish flood frequency and magnitude in the sedimentological record of rivers?

Sambrook Smith, G., Best, J. L., Ashworth, P., Lane, S. N., Parker, N. O., Lunt, I. A., Thomas, R. E. & Simpson, C. J., 2010, In : Geology. 38, 7, p. 579-582 4 p.

Research output: Contribution to journalArticle

Fluvial form in modern continental sedimentary basins: distributive fluvial systems: comment

Sambrook Smith, G. H., Best, J. L., Ashworth, P., Fielding, C. R., Goodbred, S. L. & Prokocki, E. W., Dec 2010, In : Geology. 38, 12, p. 39-42 4 p.

Research output: Contribution to journalArticle

Quantification of braided river channel change using archival digital image analysis

Lane, S. N., Widdison, P. E., Thomas, R. E., Ashworth, P., Best, J. L., Lunt, I. A., Sambrook-Smith, G. H. & Simpson, C. J., 2010, In : Earth Surface Processes and Landforms. 35, 8, p. 971-985 15 p.

Research output: Contribution to journalArticle

2009

The sedimentology and alluvial architecture of a large braid bar, Rio Paraná, Argentina

Sambrook-Smith, G. H., Ashworth, P., Best, J. L., Lunt, I. A., Orfeo, O. & Parsons, D. R., 1 Jan 2009, In : Journal of Sedimentary Research. 79, 7-8, p. 629-642 14 p.

Research output: Contribution to journalArticle

2007

Meander bend evolution, alluvial architecture, and the role of cohesion in sinuous river channels, a flume study

Peakall, J., Ashworth, P. & Best, J. L., 2007, In : Journal of Sedimentary Research. 77, 3, p. 197-212 16 p.

Research output: Contribution to journalArticle

The relationship between channel avulsion, flow occupancy and aggradation in braided rivers: insights from an experimental model

Ashworth, P., Best, J. L. & Jones, M. A., 2007, In : Sedimentology. 54, 3, p. 497-513 17 p.

Research output: Contribution to journalArticle

2006

Bar-top hollows: a new element in the architecture of sandy braided rivers

Best, J. L., Ashworth, P., Woodward, J., Sambrook-Smith, G. H. & Simpson, C. J., 1 Aug 2006, In : Sedimentary Geology. 190, p. 241-255 15 p.

Research output: Contribution to journalArticle

The sedimentology and alluvial architecture of the sandy braided South Saskatchewan River, Canada

Sambrook Smith, G. H., Ashworth, P., Best, J. L., Woodward, J. & Simpson, C. J., 2006, In : Sedimentology. 53, 2, p. 413-434 22 p.

Research output: Contribution to journalArticle

2004

The relationship between sediment supply and avulsion frequency in braided rivers

Ashworth, P., Best, J. L. & Jones, M., 2004, In : Geology. 32, 1, p. 21-24 4 p.

Research output: Contribution to journalArticle

2003

Three-dimensional sedimentary architecture of a large, mid-channel sand braid bar, Jamuna River, Bangladesh

Best, J. L., Ashworth, P., Bristow, C. S. & Roden, J. E., Jul 2003, In : Journal of Sedimentary Research. 73, 4, p. 516-530 15 p.

Research output: Contribution to journalArticle

2002

Computational fluid dynamics and the physical modelling of an upland urban river

Lin, M., Ashworth, P., Best, J. L., Elliott, L., Ingham, D. B. & Whitcombe, L. J., May 2002, In : Geomorphology. 44, 3-4, p. 375-391 17 p.

Research output: Contribution to journalArticle

The physical scale modelling of braided alluvial architecture and estimation of subsurface permeability

Moreton, D. J., Ashworth, P. & Best, J. L., 2002, In : Basin Research. 14, 3, p. 265-287 23 p.

Research output: Contribution to journalArticle

2000

Morphological evolution and dynamics of a large, sand braid-bar, Jamuna River, Bangladesh

Ashworth, P., Best, J. L., Roden, J., Bristow, C. S. & Klaassen, G. J., 1 Jan 2000, In : Sedimentology. 47, 3, p. 533-555 23 p.

Research output: Contribution to journalArticle

River response to lateral ground tilting: a synthesis and some implications for the modelling of alluvial architecture in extensional basins

Peakall, J., Leeder, M. R., Best, J. L. & Ashworth, P., 1 Jan 2000, In : Basin Research. 12, 3-4, p. 413-424 12 p.

Research output: Contribution to journalArticle

1999

Turbulence and secondary flow over sediment stripes in weakly bimodal bed material

McLelland, S. J., Ashworth, P., Best, J. L. & Livesey, J. R., 1 Jan 1999, In : Journal of Hydraulic Engineering. 125, 5, p. 463-473 11 p.

Research output: Contribution to journalArticle

1997

Scour in large braided rivers and the recognition of sequence stratigraphic boundaries

Best, J. L. & Ashworth, P., 15 May 1997, In : Nature. 387, p. 275-277 3 p.

Research output: Contribution to journalArticle

1996

Mid-channel bar growth and its relationship to local flow strength and direction

Ashworth, P., 1 Jan 1996, In : Earth Surface Processes and Landforms. 21, 2, p. 103-123 21 p.

Research output: Contribution to journalArticle

1995

Open-channel diversions: discussion

McLelland, S. J., Ashworth, P. & Best, J. L., 1 Jan 1995, In : Journal of Hydraulic Engineering. 121, 1, p. 87-88 2 p.

Research output: Contribution to journalArticle

Sediment slugs: large-scale fluctuations in fluvial sediment transport rates and storage volumes

Nicholas, A. P., Ashworth, P., Kirkby, M. J., Macklin, M. G. & Murray, T., 1 Dec 1995, In : Progress in Physical Geography. 19, 4, p. 500-519 20 p.

Research output: Contribution to journalArticle

Spatial pattern of flow competence and bed load transport in a divided gravel bed river

Ashworth, P. & Powell, D. M., 1 Jan 1995, In : Water Resources Research. 31, 3, p. 741-752 12 p.

Research output: Contribution to journalArticle

1994

A high-resolution ultrasonic bed profiler for use in laboratory flumes

Best, J. L. & Ashworth, P., 1 Jan 1994, In : Journal of Sedimentary Research. 64, 3a, p. 674-675 2 p.

Research output: Contribution to journalArticle

1992

Measurements in a braided river chute and lobe: 1. Flow pattern, sediment transport and channel change

Ferguson, R. I., Ashmore, P. E., Ashworth, P., Paola, C. & Prestegaard, K. L., 1 Jan 1992, In : Water Resources Research. 28, 7, p. 1877-1886 10 p.

Research output: Contribution to journalArticle

Measurements in a Braided River chute and lobe: 2. Sorting of bed load during entrainment, transport, and deposition

Ashworth, P., Ferguson, R. I., Ashmore, P. E., Paola, C., Powell, D. M. & Prestegaard, K. L., 1 Jan 1992, In : Water Resources Research. 28, 7, p. 1887-1896 10 p.

Research output: Contribution to journalArticle

Secondary flow in anabranch confluences of a braided, gravel-bed stream

Ashmore, P. E., Ferguson, R. I., Prestegaard, K. L., Ashworth, P. & Paola, C., 1 Jan 1992, In : Earth Surface Processes and Landforms. 17, 3, p. 299-311 13 p.

Research output: Contribution to journalArticle

Virtual rate and mean distance of travel of individual clasts in gravel-bed channels

Hassan, M. A., Church, M. & Ashworth, P., 1 Jan 1992, In : Earth Surface Processes and Landforms. 17, 6, p. 617-627 11 p.

Research output: Contribution to journalArticle

1991

Slope-induced changes in channel character along a gravel-bed stream: the Allt Dubhaig, Scotland

Ferguson, R. I. & Ashworth, P., 1 Jan 1991, In : Earth Surface Processes and Landforms. 16, 1, p. 65-82 18 p.

Research output: Contribution to journalArticle

1989

Influence of sand on hydraulics and gravel transport in a braided gravel-bed river

Ferguson, R. I., Prestegaard, K. L. & Ashworth, P., 1 Jan 1989, In : Water Resources Research. 25, 4, p. 635-643 9 p.

Research output: Contribution to journalArticle

Quantifying deposition on river bars using flexible netting

Ashworth, P. & Ferguson, R. I., 1 Jan 1989, In : Journal of Sedimentary Petrology. 59, 4, p. 623-624 2 p.

Research output: Contribution to journalArticle

Size-selective entrainment of bedload in gravel bed streams

Ashworth, P. & Ferguson, R. I., 1 Jan 1989, In : Water Resources Research. 25, 4, p. 627-634 8 p.

Research output: Contribution to journalArticle

1988

Slope failures in the Ochil Hills, Scotland, November 1984

Jenkins, A., Ashworth, P., Ferguson, R. I., Grieve, I. C., Rowling, P. & Stott, T. A., 1 Jan 1988, In : Earth Surface Processes and Landforms. 13, 1, p. 69-76 8 p.

Research output: Contribution to journalArticle