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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. 67, 7, p. 3533-3566 34 p.

  Research output: Contribution to journal › Article › peer-review

  • river
  • wind wave
  • transition
  • stratification
  • peak discharge

• Influence of Dunes on Channel‐Scale Flow and Sediment Transport in a Sand Bed Braided River

  Unsworth, C., Nicholas, A., Ashworth, P., Best, J., Lane, S., Parsons, D., Sambrook Smith, G. H., Simpson, C. & Strick, R. J. P., 13 Oct 2020, In: Journal of Geophysical Research: Earth Surface. 125, 11, p. 1-26 e2020JF005571.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • sediment transport
  • Sediment transport
  • dunes
  • stream channels
  • rivers
• 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 journal › Article › peer-review

  Open Access

  File

  • estuary
  • hydrodynamics
  • sediment transport
  • river
  • modeling

• 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 journal › Article › peer-review

  Open Access

  File

  • meander
  • spacing
  • river
  • floodplain
  • geometry

• 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. 44, 4, p. 953-972 20 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • airborne sensing
  • braided river
  • bedform
  • bedload
  • satellite imagery

• 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 journal › Article › peer-review

  Open Access

  File

  • river flow
  • dune
  • sediment
  • flow velocity
  • kinematics

• 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. 54, 9, p. 6566-6584

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • dune
  • turbulence
  • river
  • turbulent flow
  • flow field
• 2017

  International Benchmarking Review of UK Physical Geography

  Thomas, D., Ashworth, P., Nield, J. & Souch, C., 1 Aug 2017, 52 p.

  Research output: Book/Report › Commissioned report

  Open Access

  File

  • physical geography
  • benchmarking
  • geography
  • school
  • fieldwork
• 2016

  Spatio-temporal evolution of alluvial sand beds under unsteady flow

  Ockelford, A., Parsons, D., Hardy, R., Ashworth, P., Best, J. & Hu, H., 12 Dec 2016, p. 0-0. 1 p.

  Research output: Contribution to conference › Abstract

  Open Access

  File

  • unsteady flow
  • temporal evolution
  • hydrograph
  • bedform
  • sand

• Spillage sedimentation on large river floodplains

  Lewin, J., Ashworth, P. & Strick, R. J. P., 20 Jun 2016, In: Earth Surface Processes and Landforms. 42, 2, p. 290-305 16 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • spillage
  • floodplain
  • sedimentation
  • river
  • relief

• 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., 1 Jan 2016, In: Geology. 44, 1, p. 3-6 4 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • stratigraphy
  • river
  • paleocurrent
  • morphodynamics
  • ground penetrating radar
• 2015

  Exploring the relationship between hydrograph characteristics and the time evolution of sand bed morphology

  Ockelford, A., Parsons, D., Hardy, R., Ashworth, P. & Best, J. L., 14 Dec 2015, p. 0-0. 1 p.

  Research output: Contribution to conference › Abstract

  Open Access

  File

  • bedform
  • hydrograph
  • steady flow
  • sand
  • suspended sediment

• Fluvial-Tidal Sedimentology

  Ashworth, P. (ed.), Best, J. L. (ed.) & Parsons, D. R. (ed.), 23 Nov 2015, Amsterdam: Elsevier. 657 p.

  Research output: Book/Report › Book - edited

  • sedimentology
  • book
  • outcrop
  • transition
  • resource

• Mid to late Holocene geomorphological and sedimentological evolution of the fluvial-tidal zone: Lower Columbia River, WA/OR, USA

  Prokocki, E. W., Best, J. L., Ashworth, P., Parsons, D. R., Sambrook Smith, G. H., Nicholas, A. P., Simpson, C. J., Wang, H., Sandbach, S. & Keevil, C., 23 Nov 2015, Fluvial-Tidal Sedimentology. Ashworth, P., Best, J. L. & Parsons, D. R. (eds.). Amsterdam: Elsevier, p. 193-226 34 p. (Developments in Sedimentology Series).

  Research output: Chapter in Book/Conference proceeding with ISSN or ISBN › Chapter
• 2014

  Modelling time dependent flow fields over three dimensional dunes

  Hardy, R. J., Marjoribanks, T. I., Parsons, D., Reesink, A., Murphy, B., Ashworth, P. & Best, J. L., 2 Oct 2014, Proceedings of the IAHR River Flow 2014 Conference. Lausanne: CRC Press, Taylor & Francis Group, p. 1045-1052 8 p.

  Research output: Chapter in Book/Conference proceeding with ISSN or ISBN › Conference contribution with ISSN or ISBN › peer-review

  Open Access

  File

  • dune
  • flow field
  • modeling
  • bedform
  • large eddy simulation
• 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 journal › Article › peer-review

  • roughness
  • loss
  • energy
  • river
  • simulation

• 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 journal › Article › peer-review

  • twenty-first century
  • academy
  • society
  • impact research
  • communication

• 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 journal › Article › peer-review

  Open Access

  File

  • river channel
  • river
  • sediment
  • meander
  • decoupling

• 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 journal › Article › peer-review

  Open Access

  File

  • reservoir characterization
  • dune
  • bedform
  • river
  • erosion

• 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 journal › Article › peer-review

  Open Access

  File

  • morphodynamics
  • river
  • simulation
  • sand
  • sediment transport

• 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 journal › Article › peer-review

  File

  • braided river
  • morphodynamics
  • dune
  • product
  • ground penetrating radar

• 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 journal › Article › peer-review

  File

  • river channel
  • river
  • ripple
  • fine grained sediment
  • confluence

• The negative relief of large river floodplains

  Lewin, J. & Ashworth, P., 8 Nov 2013, In: Earth-Science Reviews. 129, p. 1-23 23 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • floodplain
  • relief
  • river
  • connectivity
  • wetland
• 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 journal › Article › peer-review

  File

  • river
  • floodplain
  • sediment
  • tributary
  • sedimentation

• 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 journal › Article › peer-review

  • river bed
  • physics
  • hydrodynamics
  • sand
  • evaluation

• 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 journal › Article › peer-review

  • norm
  • tributary
  • geological record
  • rock
  • river