By O.F. Vasiliev, P.H.A.J.M.van Gelder, E.J. Plate, M.V. Bolgov

This ebook addresses the advance of complex equipment for the prediction, the estimation of incidence chances and the danger concerning severe hydrological occasions. It additionally discusses the relief of the vulnerability of social, fiscal, and engineering structures to severe hydrologic occasions and the reduce in their results on such platforms.

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Additional info for Extreme Hydrological Events: New Concepts for Security (NATO Science Series: IV: Earth and Environmental Sciences)

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E. sums) of weighted indicators. J. PLATE Through its weight each indicator is represented by one number. The accumulation process of variables into indicators and an index is illustrated in Fig. 1 (UNESCO, 2003), which is using the terminology adapted for this paper. Figure 1. From variables to indices and from scientific information to decision criteria (from UNESCO, 2003) Traditionally, indicators based on costs and benefits, with benefit -cost ratios as index, have been used. Other indicators are used to describe the state of countries (UNDP, 2000, World Bank, 2000).

It consists of an operational and a planning phase. The operational phase involves all actions necessary for operating a flood protection system, or of being otherwise prepared for an approaching extreme event. These are tasks associated with flood management for an existing system: immediately before, during or after an extreme event as indicated in Fig. 3. It starts with good maintenance to keep the existing flood protection system in working condition, promoting continuous awareness of threats from extreme floods, and to make sure that all necessary tools, equipment and medical supplies are available and in good order.

000 km2 is located in the Netherlands. The length of the Rhine, from source to drainage point in the North Sea, totals 1,320 km and it flows through four countries: Switzerland, France, Germany and the Netherlands. This paper describes the hydrological processes in the Rhine catchment, focussed on both floods and low flows. The effects of the floods of 1993 and 1995 on water management in the Netherlands will be discussed. Also a short view will be given on the way the probability of extreme discharges is determined, and how the influence of land use change can be included.

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Extreme Hydrological Events: New Concepts for Security (NATO by O.F. Vasiliev, P.H.A.J.M.van Gelder, E.J. Plate, M.V. Bolgov
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