6 ½ X 9 7/16 in In memory of Ray B. Krone. Preface. Prediction of cohesive sediment tran sport modelling and bed dynamics in estuaries and coastal zones with int egrated numerical simulation models (J.E. Berlamont). 1. COSINUS tasks A through D summaries. Interaction of suspended cohesive sediment and turbulence (E.A. Toorman et al.). Flocculation an d settling velocity of fine sediment (J.C. Winterwerp et al.). Dynamics of Concentrated Benthic Suspension Layers (J.C. Winterwerp et al.). Measurement and modelling of the properties of cohesive se diment deposits (M.P. Dearnaley et al.). Numerical simulation o f cohesive transport: intercomparison of several numerical models (D. Vi olea et al.). 2. High-concentrated mud suspensions. Tidal asymmetry and variability of bed shear stress and sediment b ed flux at a site in San Francisco Bay, USA (M.L. Brennan et al.). Physical modelling of entrainment by a Concentrated Benthic Suspensi on (A.W. Bruens et al.). Interfacial instabilities at the lutoc line in the Jiaojiang estuary, China (J. Jiang, A.H. Mehta). CBS layers