Hochwasserabflüsse in Österreich - Das HORA-Projekt

Abstract

This paper presents the approach and the results of a study in which 30, 100 and 200 year return period flood discharges were estimated for 26000 km of Austrian streams, corresponding to more than 10000 nodes. Three guiding principles were adopted: Combination of various sources of information including flood peak samples, rainfall data, runoff coefficients and historical flood data in order to obtain a comprehensive assessment of the flood flows; Combination of automatic methods and manual assessments by hydrologists to allow speedy processing and to account for the local hydrological situation; and involvement of the Hydrographic Services to increase the accuracy and enhance the acceptance of results. © 2008 Springer-Verlag.