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Vegetation height model Lidar NFI
Agriculture, fisheries, forestry and food, Regions and cities, Environment
Countrywide vegetation height models (VHM) were generated for Switzerland based on LiDAR data acquired in the framework of the swissSURFACE3D campaign (swisstopo). To derive veg...
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Vegetation height model NFI
Agriculture, fisheries, forestry and food, Regions and cities, Environment
Countrywide vegetation height models (VHM) were generated for Switzerland based on stereo aerial images, acquired by the Federal Office of Topography swisstopo. From the ADS-80/...
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Map of seismic subsoil categories according to the standard SIA 261
Regions and cities, Environment
The site class is a required indication to determine the seismic action for a structure according to the building code SIA 261. The maps of site classes are indicative maps and ...
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Vegetation height model Sentinel NFI
Agriculture, fisheries, forestry and food, Regions and cities, Environment
Countrywide vegetation height models (VHM) were generated for Switzerland based on Copernicus Sentinel-2 imagery and the digital terrain model (DTM) swissALTI3D from the Swiss F...
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Distribution of ibex colonies
Agriculture, fisheries, forestry and food, Regions and cities, Environment
After being resettled in 1906, Alpine (Capra) ibex live in colonies of varying sizes throughout the Alpine region and in the Jura mountains. Because the growth of stocks in spec...
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Vegetation alpine floodplains
Regions and cities, Environment
Habitat protection pursuant to Article 18a of the Federal Act on the Protection of Nature and Cultural Heritage (NHG, SR 451) aims to ensure effective protection for areas of na...
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Database of wasterwater treatment plants (ARA-DB) - capacity (PE)
Education, culture and sport, Energy, Regions and cities, Environment
Since the 1980s, the FOEN (formerly the Swiss Agency for the Environment, Forests and Landscape) has kept a database with information about the central ARA. The underlying origi...
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Assessment of the Chemical Water Status: Nitrite
Regions and cities, Environment
Within the National Surface Water Quality Monitoring Programme (NAWA), water quality is recorded jointly by the federal and cantonal authorities at around 100 monitoring station...
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Mapping of Floodplains of National Importance
Agriculture, fisheries, forestry and food, Regions and cities, Environment
In order to give cantons the option of taking the protection of floodplains of probable national importance into their own hands as quickly as possible, the Swiss Agency for the...
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Relief shading of vegetation height model NFI
Agriculture, fisheries, forestry and food, Regions and cities, Environment
Information on vegetation height is determined using remote sensing methods with active and passive sensors. LiDAR is an active sensor. An optical sensor, for example an aerial ...
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Frequency of Föhn in the year, period variable (maximum 1969-2013)
Regions and cities, Environment
The map shows the average frequency (in %) of the number of Föhn hours per year. A value of e.g. 12 % means that on 44 days in the year the Föhn blows, whereby the duration of t...
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“Aquaprotect” areas of flooding: 500-year recurrence period
Regions and cities, Environment
The areas of flooding included in “Aquaprotect” take the form of a rough overview (prepared with the aid of basic methods) of areas of Switzerland that are susceptible to damage...
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Invasive alien plants - map of the potential area Robinia pseudoacacia
Regions and cities, Environment
The set of invasive alien plants shows the maps of the potential areas of 56 alien plants species present in Switzerland as well as some invasive species present in neighboring ...
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Seismic zones according to the SIA 261 standard
Regions and cities, Environment
Map of seismic zones from the SIA 261 Standard “Actions on Structures” (2020). A design value is specified for the horizontal ground acceleration agd (in m/s2). This design valu...
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Air pollution by sulfur dioxide
Regions and cities, Environment
Higher concentrations of sulfur dioxide (SO₂) can have especially negative effects on the respiratory tract; asthmatics and people with chronic respiratory diseases are particul...
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Floodplains outside of the federal inventary
Regions and cities, Environment
Of all the floodplains mapped throughout Switzerland, the objects which have not been included in the federal inventory have been compiled in this dataset. A distinction has bee...
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Air pollution by nitrogen dioxide
Regions and cities, Environment
The term "nitrogen oxides" (NOx) embraces nitrogen dioxide (NO₂) and nitrogen monoxide (NO). Nitrogen oxides form in the combustion of motor and heating fuels, especially when c...
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Protection forest regions NFI
Agriculture, fisheries, forestry and food, Regions and cities, Environment
According to the geometry of the data set, Switzerland is divided into six areas. They represent different forest growth and protective forest conditions.
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Federal Inventory of Floodplains of National Importance
Regions and cities, Environment
Floodplains, namely natural habitats in the flood zones of watercourses, are in decline. The scientific inventory of floodplains was commissioned by the FDHA in May 1981 and com...
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Assessment of the Chemical Water Status: Total Phosphorus
Regions and cities, Environment
Within the National Surface Water Quality Monitoring Programme (NAWA), water quality is recorded jointly by the federal and cantonal authorities at around 100 monitoring station...
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Mean runoff in the future - results from the Hydro-CH2018 project
Regions and cities, Environment
The map shows the percentage changes in summer runoff towards the end of the century (2070-2099) compared to the reference period (1981 - 2010) as calculated in the hydrological...
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Stocking map along watercourses and lakeshores
Regions and cities, Environment
For the creation of the Switzerland-wide map of riparian woody vegetation, calculations were made based on available geodata. Riparian woodland was defined as vegetation over 2....
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UNESCO World natural heritage
Regions and cities, Environment
The Convention concerning the Protection of the World Cultural and Natural Heritage (World Heritage Convention, SR 0.451.41) was signed at the UNESCO General Conference in 1972....
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Invasive alien plants - map of the potential area Reynoutria japonica
Regions and cities, Environment
The set of invasive alien plants shows the maps of the potential areas of 56 alien plants species present in Switzerland as well as some invasive species present in neighboring ...
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Invasive alien plants - map of the potential area Prunus laurocerasus
Regions and cities, Environment
The set of invasive alien plants shows the maps of the potential areas of 56 alien plants species present in Switzerland as well as some invasive species present in neighboring ...