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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

Rainfall-runoff properties of tephra: simulated effects of grain-size and antecedent rainfall (2017)
Journal Article
Jones, R., Thomas, R. E., Peakall, J., & Manville, V. (2017). Rainfall-runoff properties of tephra: simulated effects of grain-size and antecedent rainfall. Geomorphology, 282, 39-51. https://doi.org/10.1016/j.geomorph.2016.12.023

Rain-triggered lahars (RTLs) are a significant and often persistent secondary volcanic hazard at many volcanoes around the world. Rainfall on unconsolidated volcaniclastic material is the primary initiation mechanism of RTLs: the resultant flows have... Read More

A combined field, laboratory and numerical study of the forces applied to, and the potential for removal of, bar top vegetation in a braided river (2016)
Journal Article
Bankhead, N. L., Thomas, R. E., & Simon, A. (2017). A combined field, laboratory and numerical study of the forces applied to, and the potential for removal of, bar top vegetation in a braided river. Earth surface processes and landforms : the journal of the British Geomorphological Research Group, 42(3), 439-459. https://doi.org/10.1002/esp.3997

Vegetation can have an important role in controlling channel planform, through its effects on channel roughness, and root-reinforcement of bank and bar materials. Along the Platte River in central Nebraska, USA, The Platte River Recovery Implementati... Read More

Modeling of multilayer cohesive bank erosion with a coupled bank stability and mobile-bed model (2014)
Journal Article
Lai, Y. G., Thomas, R. E., Ozeren, Y., Simon, A., Greimann, B. P., & Wu, K. (2015). Modeling of multilayer cohesive bank erosion with a coupled bank stability and mobile-bed model. Geomorphology, 243, 116-129. https://doi.org/10.1016/j.geomorph.2014.07.017

Streambank erosion can be an important form of channel change in unstable alluvial environments. It should be accounted for in geomorphic studies, river restoration, dam removal, and channel maintenance projects. Recently, one-dimensional and two-dim... Read More

Physical modelling of water, fauna and flora: Knowledge gaps, avenues for future research and infrastructural needs (2014)
Journal Article
Thomas, R. E., Johnson, M. F., Frostick, L. E., Parsons, D. R., Bouma, T. J., Dijkstra, J. T., …Vousdoukas, M. I. (2014). Physical modelling of water, fauna and flora: Knowledge gaps, avenues for future research and infrastructural needs. Journal of Hydraulic Research, 52(3), 311-325. https://doi.org/10.1080/00221686.2013.876453

Physical modelling is a key tool for generating understanding of the complex interactions between aquatic organisms and hydraulics, which is important for management of aquatic environments under environmental change and our ability to exploit ecosys... Read More

Near-bed and surface flow division patterns in experimental river bifurcations (2014)
Journal Article
Marra, W. A., Parsons, D. R., Kleinhans, M. G., Keevil, G. M., & Thomas, R. E. (2014). Near-bed and surface flow division patterns in experimental river bifurcations. Water Resources Research, 50(2), 1506-1530. https://doi.org/10.1002/2013WR014215

Understanding channel bifurcation mechanics is of great importance for predicting and managing multichannel river processes and avulsion in distributary river deltas. To date, research on river channel bifurcations has focused on factors determining... Read More

Geometrical and mechanical properties of four species of northern European brown macroalgae (2013)
Journal Article
Paul, M., Henry, P. Y. T., & Thomas, R. E. (2014). Geometrical and mechanical properties of four species of northern European brown macroalgae. Coastal Engineering, 84, 73-80. https://doi.org/10.1016/j.coastaleng.2013.11.007

Aquatic vegetation interacts with the flow by posing an obstruction and in return experiences drag and is reconfigured by acting forces. It is suggested that plant buoyancy and stiffness affect these bio-physical interactions and hence should be cons... Read More