KomPass: Article from 28.11.2023 | Last changed: 11.12.2024
WW-I-5: Peak discharge values in watercourses
… that in the case of individual gauging stations, the long-term MHQ is exceeded by a factor of more than 8 or 9. WW-I-5: Peak discharge values in watercourses Source: … sufficient in most cases. Putting it simply, it can be assumed that an exceedance factor of 1.5 times or less than twice the MHQ is equivalent to a repeat interval of five (HQ5) to 20 years (HQ20). An exceedance of MHQ by a factor of 2 to less than 2.5 is equivalent to a discharge event which, according to …