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dc.contributor.authorLacerda, Maria Ozilea Bezerra de-
dc.contributor.authorDiez, Margarita-
dc.contributor.authorRodrigues, A.-
dc.contributor.authorBahia, E.-
dc.contributor.authorSanchez-Arcilla, A. S.-
dc.contributor.authorRedondo, J. M.-
dc.contributor.authorMedeiro, C.-
dc.date.accessioned2022-07-04T14:37:58Z-
dc.date.available2022-07-04T14:37:58Z-
dc.date.issued1988-
dc.identifier.citationBEZERRA, M.O. M.; DIEZ, M.; RODRIGUES, A.; BAHIA, E.; SANCHEZ-ARCILLA, A. S.; REDONDO, J. M.; MEDEIROS, C. Study on the influence of waves on coastal diffusion using image analysis. Applied Scientific Research, Netherlands, v. 59, p. 191-204, 1998.pt_BR
dc.identifier.issn0003-6994-
dc.identifier.urihttp://www.repositorio.ufc.br/handle/riufc/66890-
dc.description.abstractA series of novel image analysis techniques have been used to study surf-zone hydrodynamics taking advantage of recent advances in digital processing of images taken from video recordings of the sea surface near the coast. The use of image analysis allows the estimation of both spatial and temporal characteristics of wave fields, surface circulation and mixing in the surf zone. The dispersion of blobs of dye released at different distances from the coastline under very different sea conditions is used to measure surface eddy diffusivities. A preliminary set of field measurements were done in the Ebro Delta where the methodology was tested. Further experiments have been performed at Vilanova, Spain and Recife, Brazil. There is an increase of diffusivity with wave height but only if the wave Reynolds number, Rw, is greater than 103. No such trend is observed for Rw greater than 106. The other important factors are wind speed and tidal and longshore currents.pt_BR
dc.language.isoenpt_BR
dc.publisherApplied Scientific Researchpt_BR
dc.subjectCostal Zonept_BR
dc.subjectSurf - Turbulence - Wavespt_BR
dc.subjectWater - Dispersionpt_BR
dc.subjectZona costeirapt_BR
dc.subjectSurfe - Turbulência - Ondaspt_BR
dc.subjectÁgua - Disperçãopt_BR
dc.titleStudy on the influence of waves on coastal diffusion using image analysispt_BR
dc.typeArtigo de Periódicopt_BR
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