Abstract

ABSTRACT Rollnic, M. & Rosario, R.P., 2013. Tide propagation in tidal courses of the Para river estuary, Amazon Coast, Brazil. Proceedings 12th International Coastal Symposium (Plymouth, England), Journal of Coastal Research, Special Issue No. 65, pp. 1581–1586, ISSN 0749-0208.--> On the Para River (estuary) there are approximately one hundred tidal channels. These channels are important systems in both ecological and socio-economic systems. This paper aims to determine the tidal propagation pattern in the tidal channels in the dry and rainy seasons. Three tidal channels were selected on the left margin ( Marajo Island). In a first experiment, two pressure sensors were installed in each channel for 13 hours during a spring tide, one in the mouth and the other approximately 3 km upstream. In a second experiment, 3 pressure sensors were installed in one of the channels (36 days): one outside the channel (Para river), one in the mouth and another one upstream in the channel. The first experiment revealed tha...

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