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Published on 20 March 2026

The basics and background information

The GIN office provides a user manual, the official training documents and background information. The background information documents include explanations of how, for example, discharge volumes and flood probabilities are determined or the basis for hydrological forecasts and warnings. 

Other relevant pages

Office GIN

Federal Office for the Environment FOEN
Worblentalstrasse 68
CH-3063 Ittigen