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Hilgersom, K.P. (author), Luxemburg, W.M.J. (author), Willemsen, Geert (author), Bussmann, Luuk (author)Already in the 19th century, d’Auria described a discharge measurement technique that applies floats to find the depth-integrated velocity (d’Auria, 1882). The basis of this technique was that the horizontal distance that the float<br/>travels on its way to the surface is the image of the integrated velocity profile over depth. Viol and Semenov ...abstract 2014