Albayrak, I.Di Silvio, G.Lanzoni, S.2008-02-122008-02-122008-02-122007https://infoscience.epfl.ch/handle/20.500.14299/17729secondary currentscoherent structuressurface boilslarge scale PIVSecondary currents and coherent structures, their distribution across a cross section and their relation to surface boils in turbulent gravel-bed open-channel flowtext::conference output::conference proceedings::conference paper