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Runoff forcast

Since 2010, WaSiM is in use for operational discharge and water-level forecasts at the Swiss Federal OOffice of the Environment (FOEN/BAFU). It is fully integrated into the forecast platform FEWS (Flood Early Warning System).

In general, coupling of WaSiM with high resolution weather forecast models is already possible for several years. Such a type of forecast is especially interesting for regions with short rainfall-runoff response times. In such regions, which are often alpine regions, conventional runoff forecast methods (e.g. by using online transmission of station data or Radar precipitation fields) are highly limited because of the short time scales. Coupling hydrologic models with atmospheric forecast models are a promising alternative to gain the required forcast advance.

Selected references:
Wagner, S., H. Kunstmann, A. Bardossy (2006)
Model based distributed water balance monitoring of the White Volta catchment in West Africa through coupled meteorological-hydrological simulations.
Advances in Geosciences 9: 39-44 [Link]
Kunstmann, H., C. Stadler (2005)
High resolution distributed atmospheric-hydrological modelling for Alpine catchments.
J. Hydrol. 314: 105-124 [Link]
Jasper, K. (2005)
Hydrological modelling of Alpine river catchments using output variables from atmospheric models.
Zürcher Klima-Schriften 82, ISBN 3 906 148 30 0, ETH Zürich, 149 pp.
Jasper, K., J. Gurtz, H. Lang (2002)
Advanced flood forecasting in Alpine watersheds by coupling meteorological observations and forecasts with a distributed hydrological model.
J. Hydrol. 267: 40-52 [Link 1] [Link 2]
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