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Interactive numerical modelling of the hydrodynamics of combined waves and tides in the coastal zone

Pan, Shunqi, O'Connor, Brian A., Bell, Paul and Williams, Jon J. 2001. Interactive numerical modelling of the hydrodynamics of combined waves and tides in the coastal zone. Presented at: Coastal Dynamics (Conference), Lund, Sweden, 11-15 June 2001. Published in: Hanson, Hans and Larson, Magnus eds. Coastal Dynamics '01 : proceedings of the Fourth Conference on Coastal Dynamics, June 11-15, 2001, Lund Sweden. Reston, Virginia: American Society of Civil Engineers, pp. 162-171. 10.1061/40566(260)17

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Abstract

This paper describes details of a hydrodynamic wave-current model and its applications to a tidal inlet (the Barra Nova) in the Algarve, southern Portugal. The model, as a core part of a Q3D model, is capable of computing wave characteristics and depth-averaged tidal and wave-driven currents, allowing for the effects of wind, wave diffraction and refraction, wave breaking and wave-current interaction. Application of the model was made to a highly dynamic tidal inlet — the Barra Nova to study the significance of wave-current interaction by running the model dynamically with both long waves (tides) and short waves (wind waves), as well as in a static mode with frozen tidal states. This newly-opened tidal inlet and its vicinity has been used during 1999 for a four-month intensive field campaign under Project INDIA (Inlet Dynamics Initiative: Algarve) funded by EU MAST III Research Programme. The model results obtained from dynamic runs were first compared with the field data measured by a number of remote sensing instruments, including X-Band Radar, and then with those obtained from static runs, which demonstrated the significance of the wave-current interaction on wave distributions for situations where strong tidal currents were presented.

Item Type: Conference or Workshop Item (Paper)
Date Type: Publication
Status: Published
Schools: Engineering
Subjects: T Technology > TC Hydraulic engineering. Ocean engineering
Uncontrolled Keywords: Hydrodynamics; Inlets (waterway); Numerical models; Portugal; Tidal currents; Wave measurement
Publisher: American Society of Civil Engineers
ISBN: 9780784405666
Last Modified: 04 Jun 2017 04:20
URI: http://orca.cf.ac.uk/id/eprint/37155

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