Scales and causes of heterogeneity in bars in a large multi-channel river: Río Paraná, Argentina

A.J.H. Reesink, Philip Ashworth, G.H. Sambrook-Smith, J.L. Best, D.R. Parsons, M.L. Amsler, R.J. Hardy, S.N. Lane, A.P. Nicholas, O. Orfeo, S.D. Sandbach, C.J. Simpson, R.N. Szupiany