With the increasing frequency of hydrological hazard events during the last years, also the problem of combined rain and snow melt hazards has increased. A series of remarkable hazardous events in Switzerland, particularly the severe flood in August 2005, triggered a cooperation between the...

Quantifying uncertainty in flood forecasting is a difficult task, given the multiple and strongly nonlinearmodel components involved in such a system. Much effort has been and is being invested inthe quest of dealing with uncertain precipitation observations and forecasts and the propagation...

COST funding allows European scientists establish international links, communicate their work to colleagues and promote international research cooperation. COST731 was established to study the propagation of uncertainty from hydro-meteorological observations through meteorolgical and...

We describe the development, implementation, and first analyses of the performance of a debris-flow warning system for the Illgraben catchment and debris fan area. The Illgraben catchment (9.5 km<Superscript>2</Superscript>), located in the Canton of Valais, Switzerland, in the Rhone River valley, is characterized by...</superscript>

"Sustainability" is a diverse and contested concept that cannot be reduced to a single definition or practice. We propose the concept of "plural sustainabilities" to raise awareness of how different worldviews, knowledge systems, and values shape understandings of sustainability, recognizing the...

This paper deals with the optimal stopping problem under partial observation for piecewise-deterministic Markov processes. We first obtain a recursive formulation of the optimal filter process and derive the dynamic programming equation of the partially observed optimal stopping problem. Then,...