Greg Sambrook-Smith

Accepting PhD Students

PhD projects

Greg Sambrook Smith investigates the links between river processes and sedimentology at scales ranging from individual pores within a river bed up to km-long bars in some of the world’s largest rivers. His research aims to generate new generic and quantitative understanding of how rivers function across these scales. His work is facilitated by the development of new techniques such as endoscopic particle imaging velocimetry, and includes:

Sedimentology of braided rivers (South Saskatchewan project)
Processes and deposits of the world's biggest rivers
Interactions between permeable beds and open channel flows
Development of novel experimental and geophysical methods
Morphodynamics and sedimentology of the tidally-influenced fluvial zone
Channel-floodplain interactions and basin-scale alluvial architecture
Microplastics in freshwater systems

He welcomes enquiries from prospective students in these areas.

Research activity per year

36 Article
22 Abstract
5 Chapter
3 Commissioned report
More

1 - 50 out of 72 results

2024
Sand mining across the Ganges-Brahmaputra-Meghna catchment; assessment of activity and implications for sediment delivery
Daham, A., Sambrook-Smith, G., Clark, J. & Yasmin, T., 8 Jul 2024, (E-pub ahead of print) In: Environmental Research Letters.
Research output: Contribution to journal › Letter › peer-review

Open Access
File
32 Downloads (Pure)
Snapshot Sampling May Not Be Enough to Obtain Robust Estimates for Riverine Microplastic Loads
Kukkola, A., Schneidewind, U., Haverson, L., Kelleher, L., Drummond, J. D., Sambrook Smith, G., Lynch, I. & Krause, S., 10 May 2024, In: ACS ES and T Water. 4, 5, p. 2309-2319 11 p.
Research output: Contribution to journal › Article › peer-review

Open Access
File
43 Downloads (Pure)
Towards sustainable governance of freshwater sand: A resource regime approach
Yasmin, T., Clark, J., Sambrook-Smith, G., Daham, A., Nicholas, A. & Gasparotto, A., Dec 2024, In: Earth System Governance. 22, 14 p., 100228.
Research output: Contribution to journal › Article › peer-review

Open Access
File
34 Downloads (Pure)
2023
Morphological adjustments of the Yamuna River in the Himalayan foothills in response to natural and anthropogenic stresses
Yadav, A., Boothroyd, R., Sambrook-Smith, G. & Sen, S., 4 Jul 2023, In: Hydrological Processes. 37, 7, 19 p., e14934.
Research output: Contribution to journal › Article › peer-review

Open Access
File
19 Downloads (Pure)
Prevailing impacts of river management on microplastic transport in contrasting US streams: rethinking global microplastic flux estimations
Kukkola, A., Runkel, R. L., Schneidewind, U., Murphy, S. F., Kelleher, L., Smith, G. S., Nel, H. A., Lynch, I. & Krause, S., 15 Jul 2023, In: Water Research. 240, 10 p., 120112.
Research output: Contribution to journal › Article › peer-review

Open Access
File
56 Downloads (Pure)
2022
The morphology of fluvial-tidal dunes: lower Columbia River, OR/WA, USA
Prokocki, E. W., Best, J. L., Perillo, M. M., Ashworth, P. J., Parsons, D. R., Sambrook-Smith, G., Nicholas, A. P. & Simpson, C. J., 25 Mar 2022, (E-pub ahead of print) In: Earth Surface Processes and Landforms.
Research output: Contribution to journal › Article › peer-review

Open Access
File
42 Downloads (Pure)
2021
Detection limits are central to improve reporting standards when using Nile red for microplastic quantification
Nel, H. A., Chetwynd, A. J., Kelleher, L., Lynch, I., Mansfield, I., Margenat, H., Onoja, S., Goldberg Oppenheimer, P., Sambrook Smith, G. H. & Krause, S., Jan 2021, In: Chemosphere. 263, 9 p., 127953.
Research output: Contribution to journal › Article › peer-review
8 Citations (Scopus)
Gathering at the top? Environmental controls of microplastic uptake and biomagnification in freshwater food webs
Krause, S., Baranov, V., Nel, H. A., Drummond, J. D., Kukkola, A., Hoellein, T., Sambrook Smith, G. H., Lewandowski, J., Bonnet, B., Packman, A. I., Sadler, J., Inshyna, V., Allen, S., Allen, D., Simon, L., Mermillod-Blondin, F. & Lynch, I., 1 Jan 2021, In: Environmental Pollution. 268, Pt A, 11 p., 115750.
Research output: Contribution to journal › Review article › peer-review

Open Access
4 Citations (Scopus)
Low flow and heatwaves alter ecosystem functioning in a stream mesocosm experiment
Arias Font, R., Khamis, K., Milner, S., Sambrook-Smith, G. & Ledger, M., 10 Jul 2021, In: Science of the Total Environment. 777, 13 p., 146067.
Research output: Contribution to journal › Article › peer-review
Nano and microplastic interactions with freshwater biota - Current knowledge, challenges and future solutions
Kukkola, A., Krause, S., Lynch, I., Sambrook Smith, G. H. & Nel, H., Jul 2021, In: Environment International. 152, 14 p., 106504.
Research output: Contribution to journal › Review article › peer-review

Open Access
File
3 Citations (Scopus)

311 Downloads (Pure)
The effect of biofilms on turbulent flow over permeable beds
Kazemifar, F., Blois, G., Aybar, M., Perez Calleja, P., Nerenberg, R., Sinha, S., Hardy, R., Best, J., Sambrook-Smith, G. & Christensen, K., Feb 2021, In: Water Resources Research. 57, 2, 20 p., e2019WR026032.
Research output: Contribution to journal › Article › peer-review

Open Access
File
198 Downloads (Pure)
2020

Alluvial architecture of mid‐channel fluvial–tidal barforms: The mesotidal Lower Columbia River, Oregon/Washington, USA
Prokocki, E., Best, J., Ashworth, P., Sambrook-Smith, G., Nicholas, A., Parsons, D. & Simpson, C., 12 May 2020, In: Sedimentology. 67, 7, p. 3533-3566
Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)
Citizen science reveals microplastic hotspots within tidal estuaries and the remote Scilly Islands, United Kingdom
Nel, H. A., Sambrook Smith, G. H., Harmer, R., Sykes, R., Schneidewind, U., Lynch, I. & Krause, S., Dec 2020, In: Marine Pollution Bulletin. 161, 111776.
Research output: Contribution to journal › Article › peer-review
3 Citations (Scopus)
Influence of Dunes on Channel-Scale Flow and Sediment Transport in a Sand Bed Braided River
Unsworth, Nicholas, AShworth, Best, Lane, Parsons, Sambrook-Smith, G., Simpson & Strick, 17 Nov 2020, In: Journal of Geophysical Research: Earth Surface.
Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)
2019
Quantification of bedform dynamics and bedload sediment flux in sandy braided rivers from airborne and satellite imagery
Sambrook-Smith, G., 7 Jan 2019, In: Earth Surface Processes and Landforms. 44, p. 953-972 20 p.
Research output: Contribution to journal › Article › peer-review

Open Access
File
10 Citations (Scopus)

225 Downloads (Pure)
Simple yet effective modifications to the operation of the Sediment Isolation Microplastic unit to avoid polyvinyl chloride (PVC) contamination
Nel, H., Lynch, I., Krause, S. & Sambrook-Smith, G., 9 Nov 2019, In: MethodsX. 6, p. 2656-2661
Research output: Contribution to journal › Article › peer-review

Open Access
File
5 Citations (Scopus)

195 Downloads (Pure)
The sedimentology of river confluences
Sambrook-Smith, G. & Dixon, S., 27 Feb 2019, In: Sedimentology. 66, 2, p. 391-407 17 p.
Research output: Contribution to journal › Article › peer-review

Open Access
File
5 Citations (Scopus)

267 Downloads (Pure)
2018
Abundance, distribution, and drivers of microplastic contamination in urban river environments
Tibbetts, J., Krause, S., Lynch, I. & Sambrook-Smith, G., 7 Nov 2018, In: Water. 10, 11, 14 p., 1597.
Research output: Contribution to journal › Article › peer-review

Open Access
File
73 Citations (Scopus)

420 Downloads (Pure)
Hydrodynamic controls on alluvial ridge construction and avulsion likelihood in meandering river floodplains
Nicholas, A. P., Aalto, R. E., Sambrook-Smith, G. & Schwendel, A. C., Jul 2018, In: Geology. 46, 7, p. 639-642
Research output: Contribution to journal › Article › peer-review

Open Access
File
3 Citations (Scopus)

182 Downloads (Pure)
The planform mobility of river channel confluences: Insights from analysis of remotely sensed imagery
Dixon, S., Sambrook-Smith, G., Best, J. L., Nicholas, A., Bull, J., Vardy, M. E., Sarker, M. H. & Goodbred, S., 1 Jan 2018, In: Earth Science Reviews. 176, p. 1-18
Research output: Contribution to journal › Article › peer-review

Open Access
File
29 Citations (Scopus)

294 Downloads (Pure)
2017
A numerical investigation into the importance of bed permeability on determining flow structures over river dunes
Sinha, S., Hardy, R. J., Blois, G., Best, J. L. & Sambrook-Smith, G., Apr 2017, In: Water Resources Research. 53, 4, p. 3067-3086
Research output: Contribution to journal › Article › peer-review

Open Access
File
20 Citations (Scopus)

175 Downloads (Pure)
Late-Holocene wind-field evolution at the southern Baltic coast as revealed by GPR data from the Mrzeżyno dunefield, NW Poland
Zuk, T., Sydor, P. & Sambrook-Smith, G., Jul 2017, In: Boreas. 46, 3, p. 470-485
Research output: Contribution to journal › Article › peer-review

Open Access
File
222 Downloads (Pure)
2016
The alluvial architecture of a suspended sediment dominated meandering river: the Río Bermejo, Argentina
Sambrook-Smith, G., Best, J. L., Leroy, J. Z. & Orfeo, O., 16 Jul 2016, In: Sedimentology. 63, 5, p. 1187–1208
Research output: Contribution to journal › Article › peer-review

Open Access
File
16 Citations (Scopus)

231 Downloads (Pure)
2015
The role of discharge variability in determining alluvial stratigraphy
Nicholas, A., Sambrook-Smith, G. & Reesink, A., 11 Nov 2015, (E-pub ahead of print) In: Geology. 44, 1, p. 3-6
Research output: Contribution to journal › Article › peer-review

Open Access
File
26 Citations (Scopus)

159 Downloads (Pure)
2014
Effect of bed permeability and hyporheic flow on turbulent flow over bed forms
Blois, G., Best, J. L., Sambrook-Smith, G. & Hardy, R. J., 28 Sept 2014, In: Geophysical Research Letters. 41, 18, p. 6435-6442
Research output: Contribution to journal › Article › peer-review

Open Access
File
36 Citations (Scopus)

278 Downloads (Pure)
2013

Decimeter-scale in situ mapping of modern cross-bedded dune deposits using parametric echo sounding: A new method for linking river processes and their deposits
Sambrook-Smith, G., Best, J. L., Orfeo, O., Vardy, M. E. & Zinger, J. A., 16 Aug 2013, In: Geophysical Research Letters. 40, 15, p. 3883-3887
Research output: Contribution to journal › Article › peer-review

11 Citations (Scopus)
2012

Quantification of the relation between surface morphodynamics and subsurface sedimentological product in sandy braided rivers: Braided river morphodynamics and associated sedimentology
Parker, N. O., Sambrook-Smith, G., Ashworth, P. J., Best, J. L., Lane, S. N., Lunt, I. A., Simpson, C. J. & Thomas, R. E., 1 Oct 2012, In: Sedimentology. 60, 3, p. 820-839 40 p.
Research output: Contribution to journal › Article › peer-review

20 Citations (Scopus)
Quantifying the dynamics of flow within a permeable bed using time-resolved endoscopic particle imaging velocimetry (EPIV)
Blois, G., Sambrook-Smith, G., Best, G., Hardy, R. & Lead, J., 1 Jan 2012, In: Experiments in Fluids. 53, 1, p. 51-76
Research output: Contribution to journal › Article

21 Citations (Scopus)
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., Best, J., Bridge, J., Lane, S., Lunt, I., Reesink, A., Simpson, C. & Thomas, R., 1 May 2011, In: Sedimentology. 588, 7, p. 1860-1883 24 p.
Research output: Contribution to journal › Article

59 Citations (Scopus)
2010

Can we distinguish flood frequency and magnitude in the sedimentological record of rivers?
Sambrook-Smith, G., Best, J., Ashworth, P., Lane, S., Parker, N., Lunt, I., Thomas, R. & Simpson, C., 1 Jul 2010, In: Geology. 38, 7, p. 579-582 4 p.
Research output: Contribution to journal › Article

51 Citations (Scopus)
Quantification of braided river channel change using archival digital image analysis
Lane, S., Widdison, P., Thomas, R., Ashworth, P., Best, J., Lunt, I., Sambrook-Smith, G. & Simpson, C., 30 Jun 2010, In: Earth Surface Processes and Landforms. 35, 8, p. 971-985 15 p.
Research output: Contribution to journal › Article

85 Citations (Scopus)
2009
The sedimentology and alluvial architecture of a large Braid Bar, Rio Parana, Argentina
Sambrook-Smith, G., Ashworth, P., Best, J., Lunt, I., Orfeo, O. & Parsons, D., 1 Aug 2009, In: Journal of Sedimentary Research. 79, 8, p. 629-642 14 p.
Research output: Contribution to journal › Article
53 Citations (Scopus)
2008

Development and preliminary application of high-resolution endoscopic PIV for quantification of flow structure within a pore space
Blois, G., Sambrook-Smith, G., Best, J., Hardy, R. & Lead, J., 1 Jan 2008.
Research output: Contribution to conference (unpublished) › Abstract
Do unit bars co-exist with dunes in big sand-bed braided rivers?
Ashworth, P., Amsler, M., Best, J., Hardy, R., Lane, S., Nicholas, A., Orfeo, O., Parker, N., Parsons, D., Reesink, A., Sambrook-Smith, G., Simmons, S. & Szupiany, R., 1 Jan 2008.
Research output: Contribution to conference (unpublished) › Abstract
Linking surface morphological change to subsurface fluvial architecture: what imprints do big floods leave?
Ashworth, P., Best, J., Sambrook-Smith, G., Parker, N., Lane, S., Lunt, I. & Simpson, C., 1 Jan 2008.
Research output: Contribution to conference (unpublished) › Abstract
Reduced-complexity flow modelling of large sand-bed rivers
Nicholas, A., Amsler, M., Ashworth, P., Best, J., Hardy, R., Lane, S., Orfeo, O., Parker, N., Parsons, D., Reesink, A., Sambrook-Smith, G., Sandbach, S., Simmons, S. & Szupiany, R., 1 Jan 2008.
Research output: Contribution to conference (unpublished) › Abstract
Sedimentological impacts of a high-magnitude, low-frequency flood in a braided river revealed from sequential GPR surveys
Parker, N., Sambrook-Smith, G., Ashworth, P., Best, J., Bridges, J., Lane, S., Lunt, I. & Simpson, C., 1 Jan 2008, p. 5. 1 p.
Research output: Contribution to conference (unpublished) › Paper
The influence of fine-grained sediment on the architecture of mid-channel bars in one of the world's largest braided rivers: Rio Parana River, Argentina
Reesink, A., Amsler, M., Ashworth, P., Best, J., Hardy, R., Lane, S., Nicholas, A., Orfeo, O., Parsons, D., Sambrook-Smith, G., Sandbach, S. & Szupiany, R., 1 Jan 2008.
Research output: Contribution to conference (unpublished) › Abstract
2007

After the flood: are extreme events important?
Parker, N., Sambrook-Smith, G., Lane, S., Ashworth, P., Best, J., Bridge, J., Lunt, I. & Simpson, C., 1 Jan 2007.
Research output: Contribution to conference (unpublished) › Abstract
Alluvial architecture of a large 3km long sandy braid bar, Rio Parana, Argentina
Sambrook-Smith, G., Ashworth, P., Best, J., Lunt, I., Orfeo, O. & Parsons, D., 1 Jan 2007.
Research output: Contribution to conference (unpublished) › Abstract
Development of reservoir models for sandy braided rivers using modern analogues
Lunt, I., Sambrook-Smith, G., Ashworth, P., Best, J., Bridge, J., Lane, S., Simpson, C. & Thomas, R., 1 Jan 2007.
Research output: Contribution to conference (unpublished) › Abstract
Evolution of sandy braided river deposits revealed from sequential GPR surveys
Parker, N., Sambrook-Smith, G., Lane, S., Ashworth, P., Best, J., Bridge, J., Lunt, I. & Simpson, C., 1 Jan 2007.
Research output: Contribution to conference (unpublished) › Abstract
2006
Bar-top hollows: a new element in the architecture of sandy braided rivers
Best, J., Woodward, J., Ashworth, P., Sambrook-Smith, G. & Simpson, C., 1 Aug 2006, In: Sedimentary Geology. 190, p. 241-255 15 p.
Research output: Contribution to journal › Article
36 Citations (Scopus)
Braided Rivers; Process, Deposits, Ecology and Management. IAS Special Publication
Sambrook-Smith, G., Best, J., Bristow, C. & Petts, G., 1 Jan 2006, Blackwell.
Research output: Book/Report › Book
Braided rivers: where have we come in 10 years? Progress and future needs
Sambrook-Smith, G., Best, J., Bristow, C. & Petts, G., 1 Jan 2006, Braided Rivers; Process, Deposits, Ecology and Management. Vol. 36.
Research output: Chapter in Book/Report/Conference proceeding › Chapter
Braid plain response to an extreme flod event
Sambrook-Smith, G., Ashworth, P., Best, J. & Lane, S., 1 Jan 2006, Not Known.
Research output: Book/Report › Commissioned report
Fluvial Sedimentology: implications for riverine ecosystems
Sambrook-Smith, G., Woods, P., Hannah, D. & Sadler, J., 1 Jan 2006, Hydroeclogy and Ecohydrology: Past, Present and Future.
Research output: Chapter in Book/Report/Conference proceeding › Chapter
Sedimentological impact of a large flood revealed using sequential GPR surveys
Sambrook-Smith, G., Lunt, I., Ashworth, P., Best, J., Bridge, J., Lane, S. & Simpson, C., 1 Jan 2006, Proceedings of the 11th International Conference on Ground Penetrating Radar, Ohio, USA.
Research output: Chapter in Book/Report/Conference proceeding › Chapter
Signatures of Quaternary fluvial response, Upper River Trent, Staffordshire: a synthesis of outcrop, documentary and GPR data
Davies, N. & Sambrook-Smith, G., 1 Jan 2006, In: Zeitschrift fur Geomorphologie. 50, p. 347-374 28 p.
Research output: Contribution to journal › Article
The four-dimensional sedimentology of sandy braided rivers: linking process to product, assessing the impact of flood magnitude and questions of scale invariance
Best, J., Ashworth, P., Bridge, J., Lane, S., Lunt, I., Orfeo, O., Parsons, D., Sambrook-Smith, G. & Simpson, C., 1 Jan 2006.
Research output: Contribution to conference (unpublished) › Abstract

Greg Sambrook-Smith

Research output

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