Tidal inlet function: field evidence and numerical simulation in the INDIA Project

Williams, J.J., O'Connor, B.A., Arens, S.M., Abadie, S., Bell, P., Balouin, Y., Van Boxel, J.H., Do Carmo, A.J., Davidson, M., Ferreira, O., Heron, M., Howa, H., Hughes, Z., Kaczmarek, L.M., Kim, H., Morris, B., Nicholson, J., Pan, S., Salles, P., Silva, A., Smith, J., Soares, C. and Vila-Concejo, A. (2003) Tidal inlet function: field evidence and numerical simulation in the INDIA Project. Journal of Coastal Research, 19 (1), 189-211.

Abstract

In recognition of the environmentally sensitive nature of inlets and of a requirement to improve present knowledge of their function, the INDIA project has studied a small natural tidal inlet located in the Ría Formosa, Algarve, Portugal. The project has used state-of-the-art field equipment to study present day processes, and a range of numerical models to extend the spatial and temporal range of the measurements. Underpinned by knowledge of inlet evolution over several years, and by knowledge of other inlet systems, a conceptual model describing the medium- to long-term evolution of the inlet is presented. Key elements of the model are then examined with reference to field observations and to numerical simulations of tides, waves, sediments and morphology. Supported by historical evidence of inlet evolution in the Ría Formosa, the picture that emerges of inlet dynamics is essentially one of relative simplicity and predictability in the short- to medium-term.

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