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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...
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Base areas (catchment areas) HADES
Regions and cities, Environment
The base areas form the lowest layer of the system of catchment areas that describe Switzerland’s hydrographical structure (Hydrological Atlas of Switzerland, HADES). As many un...
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Bathing water quality
Regions and cities, Environment
Assessment of bathing water quality is carried out on the basis of cantonal water monitoring data relating to the hygienic parameters E. coli and intestinal enterococci (faecal ...
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NQStat low-flow statistics
Regions and cities, Environment
A wide variety of parameters may be used to describe low-flow events. The FOEN Hydrology Division's low-flow statistics are based on the recommendations of the German Associatio...
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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...
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Cantonal & private gauging stations (HADES 5.1.2)
Regions and cities, Environment
This set of data represents the locations of hydrometric gauging stations belonging to cantons (data source: “KANTON”) and private owners (data source: “HADES”). The data was co...
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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...
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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...
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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...