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Siegfried Map
Regions and cities, Environment
The Topographische Atlas der Schweiz was published over the period from 1870 to 1926, initially under the leadership of Colonel Hermann Siegfried. This was the first complete de...
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Gewässerschutzbereiche
Regions and cities, Environment
Der Geobasisdatensatz beinhaltet Gewässerschutzbereiche gemäss Gewässerschutzgesetzgebung. Die Gewässerschutzbereiche dienen dem qualitativen und quantitativen Schutz der ober- ...
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Sheet Division National Map 1:500'000 Swiss Map Vector
Regions and cities, Environment
There is no description for this dataset
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Sheet Division National Map 1:1 Million Swiss Map Vector
Regions and cities, Environment
There is no description for this dataset
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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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National Long-Term Surveillance of Swiss Rivers
Regions and cities, Environment
The National River Monitoring and Survey Programme (NADUF) tracks the concentrations of substances occurring in selected Swiss watercourses. NADUF, launched in 1972, is a projec...
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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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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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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...
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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...
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Diffuse dissolved phosphorus inputs into waters, modelled values
Regions and cities, Environment
Phosphorus inputs into waters represent an undesirable pollution load. Over recent decades high inputs of dissolved phosphorus have led to eutrophication of the lakes of the cen...
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Numeric data from drought platform
Regions and cities, Environment
This dataset includes all numerical data published on the national drought platform. For all drought-related variables, historical time series are available since 1991 with mont...
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Current drought hazard level
Regions and cities, Environment
The drought warning map shows the current drought hazard (issued at levels 1, 2 and 4) for all regions of Switzerland. The hazard level results from a weekly expert assessment o...
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Database of total bedload (federal government)
Regions and cities, Environment
A bedload transport database for surface waters throughout Switzerland. Following the devastating events of the summer of 1987, which caused major damage in many regions of Swit...
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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...
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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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Diffuse total nitrogen inputs into waters, modelled values
Regions and cities, Environment
Nitrogen inputs into waters represent an undesirable pollution load. Under the Convention for the Protection of the Marine Environment of the North-East Atlantic (OSPAR), Switze...
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Current drought situation in Switzerland
Regions and cities, Environment
The map shows the combined drought index for each region. This index summarises in one value the various factors affecting drought: precipitation, modelled soil moisture and dis...
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Diffuse total phosphorus inputs into waters
Regions and cities, Environment
Phosphorus inputs into waters represent an undesirable pollution load. A total of some 3,400 tonnes of total phosphorus (dissolved and particulate phosphorus) enter Swiss waters...
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Stations hydrological forecasts
Regions and cities, Environment
The map provides an overview of stations forecasted by FEWS.
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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...
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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...
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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...
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Water temperature of rivers and streams
Regions and cities, Environment
The map provides an overview of current water temperatures in Switzerland's rivers.