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James Slingsby, Beth E. Scott, Louise Kregting, Jason McIlvenny, Jared Wilson, Ana Couto, Deon Roos, Marion Yanez and Benjamin J. Williamson
High-flow tidal stream environments, targeted for tidal turbine installations, exhibit turbulent features, at fine spatio-temporal scales (metres and seconds), created by site-specific topography and bathymetry. Bed-derived turbulent features (kolk-boils...
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Alexandra G. Firth, Beth H. Baker, John P. Brooks, Renotta Smith, Raymond B. Iglay and J. Brian Davis
Waterbirds may facilitate pathogen transport in rice fields from autumn to winter. This study investigated pathogen dynamics in two types of rice fields, those considered conventionally managed and a low-external-input-sustainable-agriculture (LEISA) ric...
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Duncan Tamsett, Jason McIlvenny, James Baxter, Paulo Gois and Benjamin Williamson
A prototype three-frequency (114, 256, and 410 kHz) colour sidescan sonar system, built by Kongsberg Underwater Mapping Ltd. (Great Yarmouth, UK), was previously described, and preliminary results presented, in Tamsett, McIlvenny, and Watts. The prototyp...
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Jason McIlvenny, Duncan Tamsett, Philip Gillibrand and Lonneke Goddijn-Murphy
Sediment banks within a fast-flowing tidal channel, the Inner Sound in the Pentland Firth, were mapped using multi-frequency side-scan sonar. This novel technique provides a new tool for seabed sediment and benthic habitat mapping. The sonar data are sup...
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Philip A. Gillibrand, Roy A. Walters and Jason McIlvenny
We apply a three-dimensional hydrodynamic model to consider the potential effects of energy extraction by an array of tidal turbines on the ambient near-bed velocity field and local bed shear stress in a coastal channel with strong tidal currents. Local ...
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Duncan Tamsett, Jason McIlvenny and Andrew Watts
The backscatter response of a seabed to an incident sonar signal is dependent on the carrier wave frequency: i.e., the seabed is acoustically colourful. Colour is implemented in a prototype three-frequency sidescan sonar system deployed in the Pentland F...
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PR Kenyon, HT Blair, CMC Jenkinson, ST Morris, DDS Mackenzie, SW Peterson, EC Firth, PL Johnston
Pág. 203
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Andrew Robert FIRTH, John Frederick GARDEN and Jeff Donald DOUGLAS
Pág. 1485
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Andrew Firth, Tim Bell, Amar Mukherjee, Don Adjeroh
Pág. 1217 - 1258
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Jaap van der Weerd, Thilo Rehren, Steven Firth and Robin J.H. Clark
Pág. Pages 63-7
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