Application of a SonTek Argonaut Side-Looking (SL) Doppler Flow Meter for Measuring Discharge on the Southern Leg of the Parana' River at the Entrance to the Itaipu Binacional Reservoir, Parana', Brasilby Paulo E. Gamaro,
Abstract: Index-velocity and water level data collected with a SonTek Argonaut Side-Looking (SL) Doppler Flow Meter and channel cross-sectional area data were used to compute total discharge on the southern leg of the Parana Rivers entrance to the Itaipu Binacional Reservior in Gauira, Parana State, Brasil. Discharge was computed as the product of the channel area and mean velocity (computed from the index velocity measured in the river by the Argonaut SL flowmeter). Discrete discharge measurements were made using an Acoustic Doppler Current Profiler (ADCP) to develop the relation of mean-velocity in the southern leg of the Parana' River to the index velocity measured by the Argonaut SL. Least-squares linear regression was used to develop a simple linear regression between mean velocity and index velocity. Index velocity was the only significant linear predictor of mean velocity for the flow measurement site on the Parana' River.
Subject Headings: Doppler systems | Water discharge measurement | Velocity profile | Flow measurement | River flow | Light rail transit
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