Estudo preliminar da maré e das correntes de maré da região estuarina de Cananéia (25ºS-48ºW)

作者: Sadako Yadoya Miyao , Joseph Harari

DOI: 10.1590/S0373-55241989000200003

关键词: Current (stream)Cumulative effectTidal currentGeographyGeomorphologyEstuaryHydrologySpectral analysis

摘要: A preliminary study of tidal height and current data from Cananeia region made through harmonic spectral analysis shows different amplifications phase delays the principal components inwards estuary. M3 component is particularly amplified in Mar de - Pequeno, probably because near-resonance conditions channel. Tidal currents Cubatâo show, besides semidiurnal components, significative presence M4 constituents. Residual spectra show two main peaks: one, frequency, attributed to pumping; another, subtidal a long-period cumulative effect, associated estuary mean level variation.

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