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dc.contributor.author Melo Filho, Eloi
dc.contributor.author Guza, Robert
dc.date.accessioned 2015-07-10T11:13:16Z
dc.date.available 2015-07-10T11:13:16Z
dc.date.issued 1991
dc.identifier.citation MELO FILHO, Eloi; GUZA, R. T. Wave propagation in jettied entrance channels. II: observations. Journal of Waterway, Port, Coastal, and Ocean Engineering, v. 117, p. 493-510, 1991. Disponível em: <http://ascelibrary.org/doi/pdf/10.1061/(ASCE)0733-950X(1991)117:5(493)>. Acesso em 07 jul. 2015. pt_BR
dc.identifier.issn 1943-5460
dc.identifier.uri http://repositorio.furg.br/handle/1/5106
dc.description.abstract Field measurements of surface gravity waves along the center line of the straight, 1 km long, 8 m deep, 250 m wide Mission Bay entrance channel (bounded by rubble-mound jetties) are compared to a model developed in a companion paper by Melo and Guza. The observations show a rapid downchannel decay of wave energy. Additionally, the observed ratio of significant wave heights between any two stations along the channel axis is rather constant despite the different wave and current conditions encountered. The model, with all empirical coefficients determined with existing parameterizations, agrees qualitatively well with these observations. These model results are insensitive to the details of the motions and dissipation occurring within the jetties so long as an appropriate amount of energy is lost at these lateral boundaries. The wave height on the center line of a wide channel with highly absorptive jetties is controlled by diffraction. In fact, the observations and model results on the center line at Mission Bay are similar to previously published simplified models with the jetties replaced by strips of appropriate bottom dissipation and also to the decay along the center line of a breakwater gap with the gap width equal to the entrance channel width. pt_BR
dc.language.iso eng pt_BR
dc.rights restrict access pt_BR
dc.title Wave propagation in jettied entrance channels. II: observations pt_BR
dc.type article pt_BR
dc.identifier.doi 10.1061/(ASCE)0733-950X(1991)117:5(493) pt_BR


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