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All Outputs (37)

Representing vegetation in experimental models of river systems. (2023)
Thesis
Bodewes, B. Representing vegetation in experimental models of river systems. (Thesis). University of Hull. https://hull-repository.worktribe.com/output/4443326

The physical behaviour of fluvial systems have been studied in detail and as have their representations of the impact and interaction between hydraulic and sedimentological features within these river systems. However, there is limited understanding... Read More about Representing vegetation in experimental models of river systems..

Density stratification controls the bedform phase diagram of saline-gravity currents versus open-channel flows (2023)
Journal Article
Ohata, K., de Cala, I., Dorrell, R. M., Naruse, H., McLelland, S. J., Simmons, S. M., & McCaffrey, W. D. (in press). Density stratification controls the bedform phase diagram of saline-gravity currents versus open-channel flows. Sedimentology, https://doi.org/10.1111/sed.13075

Sedimentary bedforms such as ripples and dunes are generated both by river flows and sediment-laden gravity currents. Gravity current deposits are usually parameterized using existing bedform phase diagrams which are based on data from laboratory exp... Read More about Density stratification controls the bedform phase diagram of saline-gravity currents versus open-channel flows.

Modelling the impact of seismic landslides on landscape evolution (2023)
Thesis
Xie, J. (2023). Modelling the impact of seismic landslides on landscape evolution. (Thesis). University of Hull. https://hull-repository.worktribe.com/output/4923124

Mass movements such as landslides are prominent sources of sediment in active mountain belts. As evidenced by recent earthquakes in Chi-Chi, Wenchuan and Gorkha, seismic triggered landslides can have a major impact on river basins and landscape evolu... Read More about Modelling the impact of seismic landslides on landscape evolution.

Riparian vegetation life stages control the impact of flood sequencing on braided river morphodynamics (2021)
Journal Article
Fernandez, R. L., McLelland, S., Parsons, D. R., & Bodewes, B. (2021). Riparian vegetation life stages control the impact of flood sequencing on braided river morphodynamics. Earth surface processes and landforms : the journal of the British Geomorphological Research Group, 46(11), 2315-2329. https://doi.org/10.1002/esp.5177

With riverine flooding set to be more frequent in many parts of the world as a result of climate change, the interactions between fluvial morphodynamics and riparian vegetation may depend in part on the sequence of flood events. This paper describes... Read More about Riparian vegetation life stages control the impact of flood sequencing on braided river morphodynamics.

UK Parliament Environment, Food and Rural Affairs Select Committee Flooding Inquiry: Written Evidence from Dr Kate Smith et al. (FLO0043) (2021)
Report
Smith, K., Thomas, R. E., Skinner, C., Davidson, G., Parsons, D., McLelland, S., Coulthard, T., Malik, K., Harrison, L., Ramsden, S., Moloney, J., Ahmed, J., Carter, C., Wolstenholme, J., Halstead, F., & Betts, P. (2021). UK Parliament Environment, Food and Rural Affairs Select Committee Flooding Inquiry: Written Evidence from Dr Kate Smith et al. (FLO0043)

This submission presents the research conducted within the Energy and Environment Institute at the University of Hull. Our work demonstrates that hazards represented by flooding have multiple dimensions, and that solutions to them need to take these... Read More about UK Parliament Environment, Food and Rural Affairs Select Committee Flooding Inquiry: Written Evidence from Dr Kate Smith et al. (FLO0043).

On the hydrodynamics of flexible vegetation canopies (2021)
Thesis
Houseago, R. On the hydrodynamics of flexible vegetation canopies. (Thesis). University of Hull. https://hull-repository.worktribe.com/output/4200892

Aquatic vegetation canopies, including seagrasses, provide a host of ecosystem services within coastal environments. The environmental, social, and economic benefits are primarily controlled by the detailed interactions between hydrodynamics and cano... Read More about On the hydrodynamics of flexible vegetation canopies.

Relating the Flow Processes and Bedforms of Steady-State and Waning Density Currents (2020)
Journal Article
de Cala, I., Ohata, K., Dorrell, R., Naruse, H., Patacci, M., Amy, L. A., Simmons, S., McLelland, S. J., & McCaffrey, W. D. (2020). Relating the Flow Processes and Bedforms of Steady-State and Waning Density Currents. Frontiers in Earth Science, 8, Article 535743. https://doi.org/10.3389/feart.2020.535743

© Copyright© 2020 de Cala, Ohata, Dorrell, Naruse, Patacci, Amy, Simmons, McLelland and McCaffrey. The interaction between turbidity currents and mobile substrates can lead to the development of different types of bedforms. Although much research has... Read More about Relating the Flow Processes and Bedforms of Steady-State and Waning Density Currents.

Asymmetric effects of a modelled tidal turbine on the flow and seabed (2020)
Journal Article
Ramírez -Mendoza, R., Murdoch, L., Jordan, L. B., Amoudry, L. O., McLelland, S., Cooke, R. D., Thorne, P., Simmons, S. M., Parsons, D., & Vezza, M. (2020). Asymmetric effects of a modelled tidal turbine on the flow and seabed. Renewable energy, 159, 238-249. https://doi.org/10.1016/j.renene.2020.05.133

The extraction of power from the flow of water has become an important potential source of clean energy. In spite of significant interest in the interaction between energy extraction devices and water currents, comparatively little work has focused o... Read More about Asymmetric effects of a modelled tidal turbine on the flow and seabed.

Three-dimensional modelling of suspended sediment transport in the far wake of tidal stream turbines (2019)
Journal Article
Li, X., Li, M., Amoudry, L. O., Ramirez-Mendoza, R., Thorne, P. D., Song, Q., Zheng, P., Simmons, S., Jordan, L. B., & McLelland, S. J. (2020). Three-dimensional modelling of suspended sediment transport in the far wake of tidal stream turbines. Renewable energy, 151, 956-965. https://doi.org/10.1016/j.renene.2019.11.096

A three-dimensional tidal turbine simulation based on an oceanographic numerical model has been tested for suspended sediment calculation, particularly in the wake of a standalone tidal turbine. The results suggest a need for further improvement of t... Read More about Three-dimensional modelling of suspended sediment transport in the far wake of tidal stream turbines.

Wave ripple development on mixed clay-sand substrates: Effects of clay winnowing and armoring (2018)
Journal Article
Wu, X., Baas, J. H., Parsons, D. R., Eggenhuisen, J., Amoudry, L., Cartigny, M., McLelland, S., Mouazé, D., & Ruessink, G. (2018). Wave ripple development on mixed clay-sand substrates: Effects of clay winnowing and armoring. Journal of Geophysical Research: Earth Surface, 123(11), 2784-2801. https://doi.org/10.1029/2018JF004681

Based on bed form experiments in a large‐scale flume, we demonstrate that the rate of development of wave ripples on a mixed sand‐clay bed under regular waves is significantly lower than on a pure‐sand bed, even at clay fractions as low as 4.2%, and... Read More about Wave ripple development on mixed clay-sand substrates: Effects of clay winnowing and armoring.

The adaptation of dunes to changes in river flow (2018)
Journal Article
Reesink, A. J. H., Parsons, D. R., Ashworth, P. J., Best, J. L., Hardy, R. J., Murphy, B. J., McLelland, S. J., & Unsworth, C. (2018). The adaptation of dunes to changes in river flow. Earth-Science Reviews, 185, 1065-1087. https://doi.org/10.1016/j.earscirev.2018.09.002

The dunes that cover the beds of most alluvial channels change in size and shape over time and in space, which in turn affects the flow and sediment-transport dynamics of the river. However, both the precise mechanisms of such adaptation of dunes, an... Read More about The adaptation of dunes to changes in river flow.

Modelling impacts of tidal stream turbines on surface waves (2018)
Journal Article
Li, X., Li, M., Jordan, L. B., McLelland, S., Parsons, D. R., Amoudry, L. O., Song, Q., & Comerford, L. (2019). Modelling impacts of tidal stream turbines on surface waves. Renewable energy, 130, 725-734. https://doi.org/10.1016/j.renene.2018.05.098

© 2018 Elsevier Ltd A high resolution Computational Flow Dynamics (CFD) numerical model is built based on a laboratory experiment in this research to study impacts of tidal turbines on surface wave dynamics. A reduction of ∼3% in wave height is obser... Read More about Modelling impacts of tidal stream turbines on surface waves.

Laboratory study on the effects of hydro kinetic turbines on hydrodynamics and sediment dynamics (2018)
Journal Article
Ramírez-Mendoza, R., Amoudry, L., Thorne, P., Cooke, R., McLelland, S., Jordan, L., Simmons, S., Parsons, D., & Murdoch, L. (2018). Laboratory study on the effects of hydro kinetic turbines on hydrodynamics and sediment dynamics. Renewable energy, 129(Part A), 271-284. https://doi.org/10.1016/j.renene.2018.05.094

© 2018 The Authors The need for hydrokinetic turbine wake characterisation and their environmental impact has led to a number of studies. However, a small number of them have taken into account mobile sediment bed effects. The aim of the present work... Read More about Laboratory study on the effects of hydro kinetic turbines on hydrodynamics and sediment dynamics.

Beyond equilibrium: Re-evaluating physical modelling of fluvial systems to represent climate changes (2018)
Journal Article
Baynes, E. R., van de Lageweg, W. I., McLelland, S. J., Parsons, D. R., Aberle, J., Dijkstra, J., Henry, P.-Y., Rice, S. P., Thom, M., & Moulin, F. (2018). Beyond equilibrium: Re-evaluating physical modelling of fluvial systems to represent climate changes. Earth-Science Reviews, 181, 82-97. https://doi.org/10.1016/j.earscirev.2018.04.007

© 2018 Elsevier B.V. The interactions between water, sediment and biology in fluvial systems are complex and driven by multiple forcing mechanisms across a range of spatial and temporal scales. In a changing climate, some meteorological drivers are e... Read More about Beyond equilibrium: Re-evaluating physical modelling of fluvial systems to represent climate changes.

Quantifying biostabilisation effects of biofilm-secreted and extracted extracellular polymeric substances (EPSs) on sandy substrate (2018)
Journal Article
Van De Lageweg, W. I., McLelland, S. J., & Parsons, D. R. (2018). Quantifying biostabilisation effects of biofilm-secreted and extracted extracellular polymeric substances (EPSs) on sandy substrate. Earth surface dynamics ESURF ; an interactive open access journal of the European Geosciences Union, 6(1), 203-215. https://doi.org/10.5194/esurf-6-203-2018

© Author(s) 2018. Microbial assemblages ( < q > biofilms < /q > ) preferentially develop at water-sediment interfaces and are known to have a considerable influence on sediment stability and erodibility. There is potential for significant impacts on... Read More about Quantifying biostabilisation effects of biofilm-secreted and extracted extracellular polymeric substances (EPSs) on sandy substrate.

Near-Bed Turbulent Kinetic Energy Budget Under a Large-Scale Plunging Breaking Wave Over a Fixed Bar (2018)
Journal Article
van der Zanden, J., van der A, D. A., Cáceres, I., Hurther, D., McLelland, S. J., Ribberink, J. S., & O'Donoghue, T. (2018). Near-Bed Turbulent Kinetic Energy Budget Under a Large-Scale Plunging Breaking Wave Over a Fixed Bar. Journal of Geophysical Research: Oceans, 123(2), 1429-1456. https://doi.org/10.1002/2017jc013411

Hydrodynamics under regular plunging breaking waves over a fixed breaker bar were studied in a large-scale wave flume. A previous paper reported on the outer flow hydrodynamics; the present paper focuses on the turbulence dynamics near the bed (up to... Read More about Near-Bed Turbulent Kinetic Energy Budget Under a Large-Scale Plunging Breaking Wave Over a Fixed Bar.

Bias in mean velocities and noise in variances and covariances measured using a multistatic acoustic profiler: the Nortek Vectrino Profiler (2017)
Journal Article
Creelle, S., Thomas, R. E., Schindfessel, L., McLelland, S. J., Creëlle, S., & De Mulder, T. (2017). Bias in mean velocities and noise in variances and covariances measured using a multistatic acoustic profiler: the Nortek Vectrino Profiler. Measurement Science and Technology, 28(7), 075302. https://doi.org/10.1088/1361-6501/aa7273

This paper compiles the technical characteristics and operating principles of the Nortek Vectrino Profiler and reviews previously reported user experiences. A series of experiments are then presented that investigate instrument behaviour and performa... Read More about Bias in mean velocities and noise in variances and covariances measured using a multistatic acoustic profiler: the Nortek Vectrino Profiler.

Large-scale laboratory study of breaking wave hydrodynamics over a fixed bar (2017)
Journal Article
Caceres, I., van der A, D. A., van der Zanden, J., O'Donoghue, T., Hurther, D., Cáceres, I., McLelland, S. J., & Ribberink, J. S. (2017). Large-scale laboratory study of breaking wave hydrodynamics over a fixed bar. Journal of Geophysical Research: Oceans, 122(4), 3287-3310. https://doi.org/10.1002/2016JC012072

© 2017. The Authors. A large-scale wave flume experiment has been carried out involving a T = 4 s regular wave with H = 0.85 m wave height plunging over a fixed barred beach profile. Velocity profiles were measured at 12 locations along the breaker b... Read More about Large-scale laboratory study of breaking wave hydrodynamics over a fixed bar.

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.-B., 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. https://doi.org/10.1016/j.jher.2017.03.003

© 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 about An investigation of the wake recovery of two model horizontal-axis tidal stream turbines measured in a laboratory flume with Particle Image Velocimetry.

Modelling tidal stream turbines in a three-dimensional wave-current fully coupled oceanographic model (2017)
Journal Article
Li, X., Li, M., McLelland, S. J., Jordan, L. B., Simmons, S. M., Amoudry, L. O., Ramirez-Mendoza, R., & Thorne, P. D. (2017). Modelling tidal stream turbines in a three-dimensional wave-current fully coupled oceanographic model. Renewable energy, 114, 297-307. https://doi.org/10.1016/j.renene.2017.02.033

© 2017 The Author(s) A tidal turbine simulation system is developed based on a three-dimensional oceanographic numerical model. Both the current and turbulent controlling equations are modified to account for impact of tidal turbines on water velocit... Read More about Modelling tidal stream turbines in a three-dimensional wave-current fully coupled oceanographic model.