|
|
 |
|
| Analysis of the generation of extreme floods |
For
a set of 29 basins in southwest of Germany the generation
of extreme floods, which were defined
as floods with a recurrence interval of larger than 10
years, was analyzed. Therefore, the influence
of event characteristics (i.e. rainfall amount, rain intensities,
snow melt etc.) and basin properties
were analyzed (i.e. topography, geology, soils, land use,
shape etc.). In addition, the atmospheric
circulation patterns that lead to extreme floods were
investigated. It was demonstrated that a single
flood is a specific composition of the basin input (i.e.
precipitation and snow melt) and the impacts
of antecedent moisture contents and basin properties.
Available digital physiographic data have a
much lower significance for extreme flood estimation than
precipitation data. This should be taken
into account in regionalization approaches.
Key publications:
- Uhlenbrook S., Steinbrich A., Tetzlaff D., Leibundgut
Ch., 2001: Zusammenhang zwischen extremen
Hochwassern und ihren Einflussgrößen (Connection
between extreme floods and their driving variables;
in German). In: Arbeitskreis KLIWA (Klimaveränderung
und Konsequenzen für die Wasserwirtschaft,
Herausgeber), KLIWA-Symposium, 29.-30.11.2000, Karlsruhe,
KLIWA-Berichte, Heft 1, 187-204.
- Uhlenbrook S., Steinbrich A., Tetzlaff D., Leibundgut
Ch., 2002: Regional Analysis of the
Generation of Extreme Floods. 4th International Conference
on FRIEND, Bridging the gap between
research and practice, 18-22 March 2002, Cape town, South
Africa, IAHS Red Book, 274, 243-250. |
|
|
