Tidal Response in the Bahia Blanca Estuary, Argentina

Gerardo M. E. Perillo, Maria Cintia Piccolo


A general description of some dynamic characteristics of the Bahia Blanca estuary is presented.The effects of the prevailing winds and the geometry of the Main Channel of the estuary over the tide are assessed. The NW and N winds produce large deviations both in height (up to 4 m) and time (up to 2 hs) from the predicted astronomical tide. The estuary is classified as hypersynchronous, where convergence is the dominant factor producing a marked headward increase in the tidal amplitude.



Tidal response; wind influence; estuarine geometry; residual currents; tidal wave

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