Part 1 Hydrological problems of extreme floods and droughts: hydrological aspects of extreme floods and and droughts, Josef Hladny and Josef Buchtele; hydrological systems applied to the management of drought and floods, Peter D. Walsh; morphological changes in the Swiss Alps resulting from the 1987 summer storms, F. Naef et al; the improbable probabilities of extreme floods and droughts, V. Klemes; control training of water resources systems under simulated flood conditions, Vladimir Blazek and Jan Kubat; hydrological aspects of a flood management expert system, P. Bakonyi and P. Bartha; the French policy for prevention of flood damage, P.A. Roche; some problems in flood disaster prevention in Developing Countries, Masayuki Watanabe; the hydrology of disastrous floods in Asia - an overview, Naginder S.Sehmi; conceptual river routing model CWCFF, R. Rangachari et al. Part 2 The consequences of accidental water pollution (spillage): methodology for the short-term warning and estimation of the level and consequences of the accidental pollution of water bodies, A.M. Nikanorov and V.A. Kimstach; water pollution hazard - the need for water quality monitoring as the task for hydrometeorological services in Poland, J. Zielinski; consequences of the Sandoz accident for the biozonosis of the Rhine, Karl Hans Heil; hydrological aspects of pollution of the Rhine, J. van Malde. Part 3 Hydrological problems of dam and levee rupture: hydrological problems of dam and levee rupture, Mario Gallati and Lucio Ubertini; national weather service models to forecast dam-breach floods, D.L. Fread; study of earth dam erosion due to overtopping, F. Macchione and B. Sirangelo. Part 4 Hydrological consequences of volcanic eruptions: hazardous hydrological consequences of volcanic eruptions and goals for mitigative action - an overview, Thomas C.Pierson; volcanoes and hydrology in Indonesia, Ali Hamzah Lubis; non-meteorological flood disasters in Chile, Humberto Pena and Wulf Klohn. Part 5 Hydrological consequences of earthquakes, landslides and avalanches: hydrological impacts of earthquakes, landslides and avalanches, R.G. Chavez; hydrological consequences of earthquakes experienced in Japan, Fumio Yoshino; hydrological consequences of snow avalanches, J. Martinec; hazards to water resources development in high mountain regions - the Himalayan sources of the Indus, Kenneth Hewitt; conclusions from the Technical Conference on Hydrology of Hazards, O. Starosolszky.