ASSESSMENT OF THE LATERAL DYNAMICS AND THE MECHANISMS OF TRANSPORT IN THE ESTUARY OF CAMBORIÚ RIVER
DOI:
https://doi.org/10.14210/bjast.v7n1.p97-108Abstract
The main objective of this work is evaluate the structure lateral hydrodynamics of the estuary of the Camboriú River, in periods of neap and spring tide, as well as defining the main mechanisms of operating transports in this estuary. In the two carried campaigns, data of speed current and salinity had been acquired to each hour during two complete tide’s cycles (~25 hours). The vertical profiles had been gotten in three stations in the transversal section of the estuary. In the conditions studied, during neap tide this estuary is classified as partially stratified (Type 2b) and vertically homogeneous during spring tide (Type 1a). Morphologic characteristics associates to the presence of a standing wave (Seiche), probably originated in the Camboriú bay, promote a differentiation in the current profiles between the stations during neap tide. For the same situation a stratification of the water column is observed, occurring the predominance of advective processes due to fluvial discharge. During spring tide, the effect of the amplitude of tide associated with low depth of the system provides a homogeneous water column, occurring the predominance of processes of turbulent diffusion.Downloads
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