Chapter
Apr 26, 2012
Tropical Mixed Wave/Tide Dominated Barrier-Spit System: A Case Study from NE Brazil
Authors: Helenice Vital [email protected], Francisco Santos Neto [email protected], José S. Plácido Junior [email protected], and Venerando E. Amaro [email protected]Author Affiliations
Publication: Coastal Sediments '07
Abstract
This paper examines barrier-spit system morphodynamics on a tropical coast, located on Diogo Lopes Village-RN, northeastern Brazil. The mechanisms of growth and elongation of the coastal spit and tidal inlets from Diogo Lopes are underway to reconstruct the historical evolution and dynamics. The general situation in this area is one of very energetic tidal conditions causing nearly continuous sediment mobility along the bottom close to the coast. The region experiences high-energy, coastal and shelf parallel currents driven by combined flows due to oceanic, tidal and wave processes. Natural inlet was cretaed by overwash processes during more energetic periods. Currents measured inside a new inlet show maximum speed of 85 cm/s during ebb phase, while nearhore it can reaches 100 cm/s. This data set is important to develop a detailed understanding of this kind of barrier-spit system evolution.
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Published In
Coastal Sediments '07
Pages: 1731 - 1739
Copyright
© 2007 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
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Pós-Graduação em Geodinâmica e Geofisica, Departamento de Geologia, Universidade Federal do Rio Grande do Norte, Laboratório de Geologia e Geofisica Marinha e Monitoramento Ambiental, Campus Universitário, P.O.Box 1596, Natal-RN, 59072-970, Brazil. E-mail: [email protected]
Departamento de Geologia, University Federal do Rio Grande do Norte, Laboratório de Geologia e Geofisca Marinha e Monitoramento Ambiental, Campus Universitario, P.O.Box 1596, Natal-RN, 59072-970, Brazil. E-mail: [email protected]
Pós-Graduação em Geodinämica e Geofisica, Universidade Federal do Rio Grande do Norte, Laboratório de Geologia e Geofisica Marinha e Monitoramento Ambiental, Campus Universitário, P.O.Box 1596, Natal-RN, 59072-970, Brazil. E-mail: [email protected]
Pós-Graduação em Geodinâmica e Geofisica, Departamento de Geologia, Universidade Federal do Rio Grande do Norte, Laboratório de Geoprocessamento, Campus Universitário, P.O.Box 1596, Natal-RN, 59072-970, Brazil. E-mail: [email protected]
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