All Outputs (36)

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 about Groundwater seepage landscapes from distant and local sources in experiments and on Mars.

The impact of macroalgae on mean and turbulent flow fields (2015)
Journal Article
Thomas, R. E., & Mclelland, S. J. (2015). The impact of macroalgae on mean and turbulent flow fields. Journal of hydrodynamics. Ser. B, 27(3), 427-435. https://doi.org/10.1016/S1001-6058%2815%2960500-5

© 2015 Publishing House for Journal of Hydrodynamics. In this paper, we attempt to quantify the mean and turbulent flow fields around live macroalgae within a tidal inlet in Norway. Two Laminaria digitata specimens ∼0.50m apart were selected for deta... Read More about The impact of macroalgae on mean and turbulent flow fields.

Pressurized groundwater outflow experiments and numerical modeling for outflow channels on Mars (2014)
Journal Article
Marra, W. A., Hauber, E., McLelland, S. J., Murphy, B. J., Parsons, D. R., Conway, S. J., Roda, M., Govers, R., & Kleinhans, M. G. (2014). Pressurized groundwater outflow experiments and numerical modeling for outflow channels on Mars. Journal of Geophysical Research: Planets, 119(12), 2668-2693. https://doi.org/10.1002/2014JE004701

© 2014. American Geophysical Union. All Rights Reserved. The landscape of Mars shows incised channels that often appear abruptly in the landscape, suggesting a groundwater source. However, groundwater outflow processes are unable to explain the recon... Read More about Pressurized groundwater outflow experiments and numerical modeling for outflow channels on Mars.

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., Eiff, O., Gobert, S., Henry, P.-Y., Kemp, P., McLelland, S. J., Moulin, F. Y., Myrhaug, D., Neyts, A., Paul, M., Penning, W. E., Puijalon, S., Rice, S. P., Stanica, A., Tagliapietra, D., …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 about Physical modelling of water, fauna and flora: Knowledge gaps, avenues for future research and infrastructural needs.

Flow measurement around organisms and surrogates (2014)
Book Chapter
Thomas, R. E., McLelland, S. J., Eiff, O., & Parsons, D. R. (2014). Flow measurement around organisms and surrogates. In L. Frostick, R. Thomas, M. Johnson, S. Rice, & S. McLelland (Eds.), Users Guide to Ecohydraulic Modelling and Experimentation: Experience of the Ecohydraulic Research Team (PISCES) of the HYDRALAB Network (43-74). CRC Press. https://doi.org/10.1201/b16630-11

This chapter reviews methods of measuring turbulent fluid flowing through and around flora and fauna. It begins with a discussion of the relevant aspects of the nature of turbulent flows and highlights difficulties associated with their measurement.... Read More about Flow measurement around organisms and surrogates.

Using surrogates, including scaling issues, in laboratory flumes and basins (2014)
Book Chapter
Johnson, M. F., Thomas, R. E., Dijkstra, J. T., Paul, M., Penning, W. E., & Rice, S. P. (2014). Using surrogates, including scaling issues, in laboratory flumes and basins. In L. Frostick, R. Thomas, M. Johnson, S. Rice, & S. McLelland (Eds.), Users Guide to Ecohydraulic Modelling and Experimentation: Experience of the Ecohydraulic Research Team (PISCES) of the HYDRALAB Network (23-41). CRC Press. https://doi.org/10.1201/b16630-10

The previous chapter outlined the challenges of looking after plants and animals hydraulic experiments. These challenges can be circumvented if inanimate surrogates can be substituted for the prototype organisms without detriment to the relevance of... Read More about Using surrogates, including scaling issues, in laboratory flumes and basins.

Plants, hydraulics and sediment dynamics (2014)
Book Chapter
Paul, M., Thomas, R. E., Dijkstra, J. T., Penning, W. E., & Vousdoukas, M. I. (2014). Plants, hydraulics and sediment dynamics. In L. Frostick, R. Thomas, M. Johnson, S. Rice, & S. McLelland (Eds.), Users Guide to Ecohydraulic Modelling and Experimentation: Experience of the Ecohydraulic Research Team (PISCES) of the HYDRALAB Network (91-116). CRC Press. https://doi.org/10.1201/b16630-14

Most studies on coastal and fluvial hydro-and morpho-dynamics have focused on flow properties and their interactions with sediments. However, it has long been accepted that vegetation is also an important factor that can affect the flow in, and the m... Read More about Plants, hydraulics and sediment dynamics.

Users Guide to Ecohydraulic Modelling and Experimentation: Experience of the Ecohydraulic Research Team (PISCES) of the HYDRALAB Network (2014)
Book
Frostick, L., Thomas, R., Johnson, M., Rice, S., & McLelland, S. (Eds.). (2014). Users Guide to Ecohydraulic Modelling and Experimentation: Experience of the Ecohydraulic Research Team (PISCES) of the HYDRALAB Network. CRC Press. https://doi.org/10.1201/b16630

Users Guide to Ecohydraulic Modelling and Experimentation has been compiled by the interdisciplinary team of expert ecologists, geomorphologists, sedimentologists, hydraulicists and engineers involved in HYDRALAB IV, the European Integrated Infrastru... Read More about Users Guide to Ecohydraulic Modelling and Experimentation: Experience of the Ecohydraulic Research Team (PISCES) of the HYDRALAB Network.

Coherent secondary flows over a water-worked rough bed in a straight channel (2013)
Book Chapter
McLelland, S. J. Coherent secondary flows over a water-worked rough bed in a straight channel. In Coherent Flow Structures at Earth's Surface (275-288). The University of Hull. https://doi.org/10.1002/9781118527221.ch18

Flow separation at the inner (convex) and outer (concave) banks of constant-width and widening open-channel bends (2012)
Journal Article
Blanckaert, K., Kleinhans, M. G., Mclelland, S. J., Uijttewaal, W. S., Murphy, B., van de Kruijs, A., Parsons, D. R., & Chen, Q. (2013). Flow separation at the inner (convex) and outer (concave) banks of constant-width and widening open-channel bends. Earth surface processes and landforms : the journal of the British Geomorphological Research Group, 38(7), 696-716. https://doi.org/10.1002/esp.3324

There is a paucity of data and insight in the mechanisms of, and controls on flow separation and recirculation at natural sharply-curved river bends. Herein we report on successful laboratory experiments that elucidate flow structure in one constant-... Read More about Flow separation at the inner (convex) and outer (concave) banks of constant-width and widening open-channel bends.

Observing bedload/suspended load using multi-frequency-acoustic backscatter (2010)
Report
McLelland, S. (2010). Observing bedload/suspended load using multi-frequency-acoustic backscatter

Published alongside Gray, J.R., Laronne, J.B., Marr, J.D.G., 2010, Bedload-surrogate monitoring technologies: U.S. Geological Survey Scientific Investigations Report 2010-5091This paper describes the application of acoustic backscatter from multiple... Read More about Observing bedload/suspended load using multi-frequency-acoustic backscatter.

Statistics of surface gravity wave turbulence in the space and time domains (2009)
Journal Article
Nazarenko, S., Lukaschuk, S., McLelland, S., & Denissenko, P. (2010). Statistics of surface gravity wave turbulence in the space and time domains. Journal of Fluid Mechanics, 642, 395-420. https://doi.org/10.1017/S0022112009991820

We present experimental results on simultaneous spacetime measurements for the gravity wave turbulence in a large laboratory flume. We compare these results with predictions of the weak turbulence theory (WTT) based on random waves, as well as with p... Read More about Statistics of surface gravity wave turbulence in the space and time domains.

Gravity wave turbulence in wave tanks: Space and time statistics (2009)
Journal Article
Lukaschuk, S., Nazarenko, S., McLelland, S., & Denissenko, P. (2009). Gravity wave turbulence in wave tanks: Space and time statistics. Physical review letters, 103(4), Article ARTN 044501. https://doi.org/10.1103/PhysRevLett.103.044501

We present the first simultaneous space-time measurements for gravity wave turbulence in a large laboratory flume. We found that the slopes of k and ω wave spectra depend on wave intensity. This cannot be explained by any existing theory considering... Read More about Gravity wave turbulence in wave tanks: Space and time statistics.

Late quaternary valley fill sediments in the River Tyne valley: Understanding late Devensian deglaciation and early postglacial response in northern England (2008)
Thesis
Yorke, L. (2008). Late quaternary valley fill sediments in the River Tyne valley: Understanding late Devensian deglaciation and early postglacial response in northern England. (Thesis). University of Hull. Retrieved from https://hull-repository.worktribe.com/output/4209010

This thesis reconstructs part of the deglacial and early post-glacial history of the River Tyne Valley, Northumberland. Data has been gathered through description and interpretation of sedimentary sequences and stratigraphies from quarry and cut-bank... Read More about Late quaternary valley fill sediments in the River Tyne valley: Understanding late Devensian deglaciation and early postglacial response in northern England.

Observation of the near-bed flow field over gravel bed surfaces with different roughness length scales
Presentation / Conference Contribution
McLelland, S. Observation of the near-bed flow field over gravel bed surfaces with different roughness length scales

Near wake of emergent vegetation patches in shallow flow
Journal Article
Wunder, S., Trevisson, M., Heckele, C., Chagot, L., Murphy, B., McLelland, S., Moulin, F., & Eiff, O. (2018). Near wake of emergent vegetation patches in shallow flow. E3S Web of Conferences, 40, Article 02057. https://doi.org/10.1051/e3sconf/20184002057

Vegetation patches are particularly difficult to quantify in terms of flow resistance due to their complex geometry and topological behaviour under hydrodynamic loading. They not only influence the water level and mean velocities due to the drag they... Read More about Near wake of emergent vegetation patches in shallow flow.