-
Balance areas (catchment areas) HADES
Regions and cities, Environment
The balance areas form the middle layer of the system of catchment areas that describe Switzerland’s hydrographical structure (Hydrological Atlas of Switzerland, HADES). They ar...
-
HWGWP flood crest gauge
Regions and cities, Environment
This set of data depicts the locations of the federal flood measuring stations, known as "Hochwassergrenzwertpegel". The data was collected in 2005; readings are no longer being...
-
Generalised background map for the representation of hydrological data
Regions and cities, Environment
In addition to the outline of Switzerland, the generalised background map displays a simplified, reduced watercourse network and some selected cities for improved orientation at...
-
Gauging stations for hydrological study areas
Regions and cities, Environment
Since 1957 the hydrology division of the FOEN has operated a network of hydrological study areas aimed at observing long-term changes in the water regime within Switzerland’s mo...
-
Basis for determining Q347 flow rate
Regions and cities, Environment
The Water Protection Act specifies how appropriate residual flows can be determined. This applies to new water withdrawals and also to existing withdrawals for which concessions...
-
HQStat flood statistics
Regions and cities, Environment
Data on flood events is managed and statistically evaluated by the FOEN; the findings are made available in the form of result sheets. A systematic statistical evaluation of flo...
-
Stations hydrological forecasts
Regions and cities, Environment
The map provides an overview of stations forecasted by FEWS.
-
General situation of groundwater levels and spring discharges
Regions and cities, Environment
The map provides an overview of the current groundwater levels and spring discharges in Switzerland compared with the expected conditions. The data is shown as below, above or e...
-
General situation of rivers and lakes
Regions and cities, Environment
The map shows the current Swissriver discharges and lake water levels compared with the monthly percentiles of the long term hourly averages (expressed in percentiles). The perc...
-
NAQUA-QUANT Monitoring sites (NAQUA National groundwater monitoring)
Regions and cities, Environment
Groundwater is the result of the percolation of rainfall and the infiltration of river water. Groundwater levels and spring discharges therefore respond – though possibly with a...
-
Water temperature of rivers and streams
Regions and cities, Environment
The map provides an overview of current water temperatures in Switzerland's rivers.
-
Comparison of discharge and water gauge data with hazard levels
Regions and cities, Environment
The map shows the current discharge at all the stations, as compared with flood hazard levels.
-
Flood alert map
Regions and cities, Environment
The flood alert map shows the current flood danger level (1 to 5) for all and for the regions in relation to small and medium-sized rivers. The rivers of national interest are d...
-
Hydrological study areas
Regions and cities, Environment
Since 1957 the hydrology division of the FOEN has operated a network of hydrological study areas aimed at observing long-term changes in the water regime within Switzerland’s mo...
-
Grundwasservorkommen
Regions and cities, Environment
Grundwasservorkommen, Isohypsen (Mittelwasserstand). Hinweis: Schwanden--Linthal noch nicht erhoben).
-
National Map 1:1 million
Regions and cities, Environment
The National Map 1:1 million is a small-scale topographic map giving an overview of Central Europe: Switzerland and its neighbours from Lyons to Salzburg and from Strasbourg to ...
-
Flood alert map for small catchments
Regions and cities, Environment
The FOEN also issues information when a sharp rise in small and medium-sized river levels is expected locally. In these cases, it is impossible to say precisely which rivers wil...
-
Ökomorphologie Kanton Schaffhausen
Regions and cities, Environment
Die Ökomorphologie stellt die aktuelle Naturnähe der Fliessgewässer im Kanton Schaffhausen dar. Die einzelnen Gewässerabschnitte wurden anhand der strukturellen Merkmalen Sohlen...
-
Revitalisierungsplanung Gewässer
Regions and cities, Environment
Das eidgenössische Gewässerschutzgesetz verpflichtet die Kantone zur Revitalisierung von Gewässern in schlechtem Zustand. Dazu müssen sie vorgängig eine strategische Revitalisie...