Introduction. Preface of Extreme Hydrological Events: New Concepts for Security; O.F. Vasiliev, P.H.A.J.M. van Gelder, E.J. Plate, M.V.Bolgov.- Thoughts on the Economics of Floodplain Development in the U.S.; D. P. Loucks and J.R. Stedinger.- Flood Risk Management for Setting Priorities in Decision- Making; E. J. Plate.- Basin Case Studies on Extreme Hydrological Events. Rhine Floods and Low Flows; H.E.Berger and W van de Langemheen.- August 2002 Catastrophic Flood in the Czech Republic J. Boucek.- Lessons Learned from the Elbe River Floods in August 2002; H. Kreibich et al.-Floods in Austria; G. Bloeschl et al.- The conditions of the formation and development of extreme floods in Zakarpatye (the basin of Tisa river) A. I. Shershevsky.- Floods in Poland in Summer 1997: Odra and Vistula; Z.W. Kundzewicz.-Floods in Siberian river basins; D. A. Burakov et al.-Rain floods of the far east and east Siberia; L.M. Kortytny et al.- Probabilistic Estimation in Flood Studies.Theory of extreme events and probability distributions of flooding characteristics; M . V. Bolgov, N. V. Osipiva.- Regional Flood Frequency Analysis; D. Rosbjerg.- Probabilistic Forecasts Using Bayesian Networks Calibrated with Deterministic Rainfall-Runoff Models; L. Garote et al.- Predetermination of Floods; P. Hubert et al.- Statistical Estimation Methods for Extreme Hydrological Events; P.H.A.J.M. van Gelder et al.- Ice-Induced Floods. Studies of Ice Jam Flooding in the United States; K.White.- Laboratory medelling of ice jam floods on the Lena river; V.A. Buzin et al.- Hydrological conditions for actions on prevention of ice flooding on the Lena river; V. V. Kilmjaninov.-Information Needs and Uncertainties in Forecasting and Mitigating Ice-Jam Floods; R. Ettema.- River Low Flows and Climatic Conditions and Environmental Issues. Drought-Induced Water Scarcity in Water Resources Systems; F.J. Martin-Carrasco and L. Garrote.- River Low Flows in Austria; G. Bloeschl and G. Laaha.- Assessment of theeffect of autumn-winter river low flow on the operation of reservoir with seasonal regulation; O.F. Vasiliev et al.- Risk Assessment and Management for Floods, low Water Events, Damages Vulnerability Issues. The Dutch strategy for safety and river flood prevention; B. Fokkens and U. Menke.- Flood control system in Russia; A. Asarin.- Evacuation and Life Loss Estimation Model for Natural and Dam Break Floods;D. S. Bowles and M. Aboelata.- Flood Protection and Management in the Netherlands; K. Pilarczyk.- Uncertain Developments Influencing the Design Height of River Dikes; H.E.J. Berger.- Revised Strategies for Flood Risk Management: Lessons from the Catastrophic Flood in 2002 in Europe; H. P. Nachtnebel.- The European Real-Time Flood Forecasting System (EFFS); P. Reggiani et al.- Conclusions and Recommendations. WG Conclusions and Recommendations; O.F. Vasiliev, P.H.A.J.M. van Gelder, E.J. Plate, M.V.Bolgov.- Authors index. List of Participants. Authors Index.List of Participants.