University of Hull logo

The influence of flow discharge variations on the morphodynamics of a diffluence-confluence unit on a large river: Impacts of discharge variation on a diffluence-confluence unit (2017)
Journal Article
Hackney, C. R., Darby, S. E., Parsons, D. R., Leyland, J., Aalto, R., Nicholas, A. P., & Best, J. L. (2018). The influence of flow discharge variations on the morphodynamics of a diffluence-confluence unit on a large river: Impacts of discharge variation on a diffluence-confluence unit. Earth surface processes and landforms : the journal of the British Geomorphological Research Group, 43(2), 349-362. https://doi.org/10.1002/esp.4204

© 2017 The Authors. Earth Surface Processes and Landforms published by John Wiley & Sons Ltd. Bifurcations are key geomorphological nodes in anabranching and braided fluvial channels, controlling local bed morphology, the routing of sediment and wa... Read More

Sustainable rice cultivation in the deep flooded zones of the Vietnamese Mekong Delta (2017)
Journal Article
Chapman, A., Darby, S., Tompkins, E., Hackney, C., Leyland, J., Van, P. D. T., …Nicholas, A. (2017). Sustainable rice cultivation in the deep flooded zones of the Vietnamese Mekong Delta. Vietnam Journal of Science, Technology and Engineering, 59(2), (34-38). ISSN 2525-2461

This paper explains how the management of the full-dyke system in the deep flooded zones of the Vietnamese Mekong Delta affects rice cultivation, and outlines how alternative dyke management strategies could offer more sustainable adaptations in the... Read More

An evaluation of the use of a multibeam echo-sounder for observations of suspended sediment (2017)
Journal Article
Simmons, S. M., Parsons, D. R., Best, J. L., Oberg, K. A., Czuba, J. A., & Keevil, G. M. (2017). An evaluation of the use of a multibeam echo-sounder for observations of suspended sediment. Applied acoustics. Acoustique appliqué. Angewandte Akustik, 126, (81-90). doi:10.1016/j.apacoust.2017.05.004. ISSN 0003-682X

The theory relating the acoustic backscatter from suspended sediments to the mass concentration of particles has been developed over several decades and is now routinely applied to provide measurements for commercial and scientific applications. Sing... Read More

An investigation of the wake recovery of two model horizontal-axis tidal stream turbines measured in a laboratory flume with Particle Image Velocimetry (2017)
Journal Article
Simmons, S. M., McLelland, S. J., Parsons, D. R., Jordan, L., Murphy, B. J., & Murdoch, L. (2018). An investigation of the wake recovery of two model horizontal-axis tidal stream turbines measured in a laboratory flume with Particle Image Velocimetry. Journal of Hydro-environment Research, 19, (179-188). doi:10.1016/j.jher.2017.03.003. ISSN 1570-6443

© 2017 International Association for Hydro-environment Engineering and Research, Asia Pacific Division. The uptake of tidal stream-turbine (TST) technology lags other renewable energy sources despite the advantages of predictability, stability and in... Read More

Three-dimensional flow structure and bed morphology in large elongate meander loops with different outer bank roughness characteristics (2016)
Journal Article
Konsoer, K. M., Rhoads, B. L., Garcia, M. H., Abad, J. D., Parsons, D. R., Abad, J., …Rhoads, B. (2016). Three-dimensional flow structure and bed morphology in large elongate meander loops with different outer bank roughness characteristics. Water Resources Research, 52(12), 9621-9641. doi:10.1002/2016wr019040

© 2016. American Geophysical Union. All Rights Reserved. Few studies have examined the three-dimensional flow structure and bed morphology within elongate loops of large meandering channels. The present study focuses on the spatial patterns of three-... Read More

Extreme flood-driven fluvial bank erosion and sediment loads: direct process measurements using integrated Mobile Laser Scanning (MLS) and hydro-acoustic techniques: Direct measurement of flood-driven erosion using MLS and MBES (2016)
Journal Article
Hackney, C. R., Parsons, D. R., Aalto, R., Best, J. L., Darby, S. E., Lague, D., …Nicholas, A. P. (2017). Extreme flood-driven fluvial bank erosion and sediment loads: direct process measurements using integrated Mobile Laser Scanning (MLS) and hydro-acoustic techniques: Direct measurement of flood-driven erosion using MLS and MBES. Earth surface processes and landforms : the journal of the British Geomorphological Research Group, 42(2), 334-346. doi:10.1002/esp.4078

Copyright © 2016 John Wiley & Sons, Ltd. This methods paper details the first attempt at monitoring bank erosion, flow and suspended sediment at a site during flooding on the Mekong River induced by the passage of tropical cyclones. We deployed int... Read More

Does the canopy mixing layer model apply to highly flexible aquatic vegetation? Insights from numerical modelling (2016)
Journal Article
Lane, S. N., Parsons, D. R., Hardy, R. J., & Marjoribanks, T. I. (2017). Does the canopy mixing layer model apply to highly flexible aquatic vegetation? Insights from numerical modelling. Environmental Fluid Mechanics, 17(2), 277-301. doi:10.1007/s10652-016-9482-z

© 2016, The Author(s). Vegetation is a characteristic feature of shallow aquatic flows such as rivers, lakes and coastal waters. Flow through and above aquatic vegetation canopies is commonly described using a canopy mixing layer analogy which provid... Read More

Fluvial sediment supply to a mega-delta reduced by shifting tropical-cyclone activity (2016)
Journal Article
Darby, S. E., Hackney, C. R., Leyland, J., Kummu, M., Lauri, H., Parsons, D. R., …Aalto, R. E. (2016). Fluvial sediment supply to a mega-delta reduced by shifting tropical-cyclone activity. Nature, 539(7628), (276-279). doi:10.1038/nature19809. ISSN 0028-0836

© 2016 Macmillan Publishers Limited, part of Springer Nature. All rights reserved. The world's rivers deliver 19 billion tonnes of sediment to the coastal zone annually, with a considerable fraction being sequestered in large deltas, home to over 500... Read More

Flow dynamics and mixing processes in hydraulic jump arrays: Implications for channel-lobe transition zones (2016)
Journal Article
Dorrell, R., Peakall, J., Sumner, E. J., Parsons, D. R., Darby, S. E., Wynn, R. B., …Tezcan, D. (2016). Flow dynamics and mixing processes in hydraulic jump arrays: Implications for channel-lobe transition zones. Marine Geology, 381, 181-193. doi:10.1016/j.margeo.2016.09.009

© 2016 The Authors A detailed field investigation of a saline gravity current in the southwest Black Sea has enabled the first complete analysis of three-dimensional flow structure and dynamics of a series of linked hydraulic jumps in stratified, den... Read More

On the evolution and form of coherent flow structures over a gravel bed: Insights from whole flow field visualization and measurement (2016)
Journal Article
Hardy, R. J., Best, J. L., Parsons, D. R., & Marjoribanks, T. I. (2016). On the evolution and form of coherent flow structures over a gravel bed: Insights from whole flow field visualization and measurement. Journal of geophysical research. JGR. Earth surface, 121(8), 1472-1493. doi:10.1002/2015JF003753

©2016. The Authors. The microtopography of a gravel bed river has been shown to generate turbulent flow structures that originate from shear flow generated in the near-bed region. Although field and laboratory measurements have shown that such flows... Read More

The role of biophysical cohesion on subaqueous bed form size: COHESION IN SUBAQUEOUS BED FORMS (2016)
Journal Article
Parsons, D. R., Schindler, R. J., Hope, J. A., Malarkey, J., Baas, J. H., Peakall, J., …Thorne, P. D. (2016). The role of biophysical cohesion on subaqueous bed form size: COHESION IN SUBAQUEOUS BED FORMS. Geophysical research letters, 43(4), (1566-1573). doi:10.1002/2016gl067667. ISSN 0094-8276

Biologically active, fine-grained sediment forms abundant sedimentary deposits on Earth's surface, and mixed mud-sand dominates many coasts, deltas, and estuaries. Our predictions of sediment transport and bed roughness in these environments presentl... Read More

Bedform genesis in bedrock substrates: Insights into formative processes from a new experimental approach and the importance of suspension-dominated abrasion (2015)
Journal Article
Yin, D., Peakall, J., Parsons, D., Chen, Z., Averill, H. M., Wignall, P., & Best, J. (2016). Bedform genesis in bedrock substrates: Insights into formative processes from a new experimental approach and the importance of suspension-dominated abrasion. Geomorphology, 255, 26-38. https://doi.org/10.1016/j.geomorph.2015.12.008

© 2015 Elsevier B.V. Bedrock channels are common in the natural environment, and bedrock channel erosion sets the pace of denudation in many river catchments. However, in comparison to the large number of studies concerning the formation of alluvial... Read More

Modulation of outer bank erosion by slump blocks: disentangling the protective and destructive role of failed material on the three-dimensional flow structure (2015)
Journal Article
Hackney, C., Best, J., Leyland, J., Darby, S. E., Parsons, D., Aalto, R., & Nicholas, A. (2015). Modulation of outer bank erosion by slump blocks: disentangling the protective and destructive role of failed material on the three-dimensional flow structure. Geophysical research letters, 42(24), (10663-10670). doi:10.1002/2015GL066481. ISSN 0094-8276

The three-dimensional flow field near the banks of alluvial channels is the primary factor controlling rates of bank erosion. Although submerged slump blocks and associated large-scale bank roughness elements have both previously been proposed to div... Read More

Characteristics of direct human impacts on the rivers Karun and Dez in lowland south-west Iran and their interactions with earth surface movements (2015)
Journal Article
Woodbridge, K. P., Heyvaert, V. M., Frostick, L. E., Parsons, D. R., Woodbridge, K., Heyvaert, V. M. A., & Walstra, J. (2016). Characteristics of direct human impacts on the rivers Karun and Dez in lowland south-west Iran and their interactions with earth surface movements. Quaternary International, 392, (315-334). doi:10.1016/j.quaint.2015.10.088. ISSN 1040-6182

Two of the primary external factors influencing the variability of major river systems, over river reach scales, are human activities and tectonics. Based on the rivers Karun and Dez in south-west Iran, this paper presents an analysis of the geomorph... Read More

The role of discharge variability in determining alluvial stratigraphy (2015)
Journal Article
Lane, S. N., Reesink, A. J. H., Simpson, C. J., Lane, S., Parsonsm, D. R., Amsler, M. L., …Szupiany, R. N. (2016). The role of discharge variability in determining alluvial stratigraphy. Geology, 44(1), (3-6). doi:10.1130/G37215.1. ISSN 0091-7613

We illustrate the potential for using physics-based modeling to link alluvial stratigraphy to large river morphology and dynamics. Model simulations, validated using ground penetrating radar data from the Río Paraná, Argentina, demonstrate a strong r... Read More

Extremes in dune preservation: Controls on the completeness of fluvial deposits (2015)
Journal Article
Reesink, A., Van den Berg, J., Parsons, D., Amsler, M., Best, J., Hardy, R., …Szupiany, R. (2015). Extremes in dune preservation: Controls on the completeness of fluvial deposits. Earth-Science Reviews, 150, (652-665). doi:10.1016/j.earscirev.2015.09.008. ISSN 0012-8252

Understanding sedimentary preservation underpins our ability to interpret the ancient sedimentary record and reconstruct paleoenvironments and paleoclimates. Dune sets are ubiquitous in preserved river deposits and are typically interpreted based on... Read More

Groundwater seepage landscapes from distant and local sources in experiments and on Mars (2015)
Journal Article
Marra, W. A., McLelland, S. J., Parsons, D. R., Murphy, B. J., Hauber, E., & Kleinhans, M. G. (2015). Groundwater seepage landscapes from distant and local sources in experiments and on Mars. Earth surface dynamics ESURF ; an interactive open access journal of the European Geosciences Union, 3(3), 389-408. https://doi.org/10.5194/esurf-3-389-2015

© 2014 Author(s). Valleys with theater-shaped heads can form due to the seepage of groundwater and as a result of knickpoint (waterfall) erosion generated by overland flow. This ambiguity in the mechanism of formation hampers the interpretation of su... Read More

Fluvio-deltaic avulsions during relative sea-level fall. (2015)
Journal Article
Nijhuis, A. G., Edmonds, D. A., Caldwell, R. L., Cederberg, J. A., Slingerland, R. L., Best, J. L., …Robinson, R. A. J. (2015). Fluvio-deltaic avulsions during relative sea-level fall. Geology, 43(8), (719-722). doi:10.1130/g36788.1. ISSN 0091-7613

Understanding river response to changes in relative sea level (RSL) is essential for predicting fluvial stratigraphy and source-to-sink dynamics. Recent theoretical work has suggested that rivers can remain aggradational during RSL fall, but field da... Read More

Grain size controls on the morphology and internal geometry of river-dominated deltas (2015)
Journal Article
Burpee, A. P., Slingerland, R. L., Best, J., Cederberg, J., Caldwell, R., Nijhuis, A., …Slingerland, R. (2015). Grain size controls on the morphology and internal geometry of river-dominated deltas. Journal of Sedimentary Research, 85(6), (699-714). doi:10.2110/jsr.2015.39. ISSN 1527-1404

Predictions of a delta's morphology, facies, and stratigraphy are typically derived from its relative wave, tide, and river energies, with sediment type playing a lesser role. Here we test the hypothesis that, all other factors being equal, the topse... Read More

Sticky stuff: redefining bedform prediction in modern and ancient environments (2015)
Journal Article
Schindler, R. J., Parsons, D. R., Ye, L., Hope, J. A., Baas, J. H., Peakall, J., …Bass, S. J. (2015). Sticky stuff: redefining bedform prediction in modern and ancient environments. Geology, 43(5), (399-402). doi:10.1130/g36262.1. ISSN 0091-7613

The dimensions and dynamics of subaqueous bedforms are well known for cohesionless sediments. However, the effect of physical cohesion imparted by cohesive clay within mixed sand-mud substrates has not been examined, despite its recognized influence... Read More