Federal Office for the Environment FOEN
Datasets from Federal Office for the Environment FOEN (353)
Areas of silver fir
The map shows the areas of silver fir occurrence. In the main area, fir is naturally involved to a considerable extent in the stand development in the upper montane and high-montane veget...
Thermal continentality at 1000 m a.s.l. in the year, period 1981-2010
The thermal continentality in °C was calculated as the difference between the highest and lowest value of the daily variation of the temperature of the year in the period under investigat...
Thermal continentality at 1000 m a.s.l. in July, period 1981-2010
The thermal continentality in °C was calculated as the difference between the highest and lowest value of the daily variation of the temperature of July in the period under investigation ...
Topographical catchment areas of Swiss waterbodies 2 km²
The data set ‹sub-basins 2 km²› is the central element of the geodata set. It is made up of a comprehensive mosaic of over 22,000 topographically defined sub-basin areas that can be quick...
Topographical catchment areas of Swiss waterbodies 40 km²
The "40 km² catchment areas" data set is one of four possible aggregation levels for the "Topographical catchment areas of Swiss waterbodies" geodata set. It consists of a comprehensive m...
Swiss water topographical catchment areas: Main river section
The data set “Main river section” is part of the geo dataset “Swiss water topographical catchment areas”. The main river in a catchment area is the body of water that leaves the catchme...
Topographical catchment areas of Swiss waterbodies: Area outlets
The "Area outlets" data set is part of the "Topographical catchment areas of Swiss waterbodies" geodata set. It consists of point objects that represent the area outlets for a possible to...
Tranquillity Areas
Based on the "Tranquillity Map of the Swiss Plateau" and its calculated "tranquillity" values, certain recreational areas were derived. For this purpose, areas that did not fall below a c...
Tranquillity Map
The "Tranquillity Map of the Swiss Plateau" illustrates where areas of near-natural character and low noise pollution still exist near large settlements within the Swiss Plateau. These ar...
Greenhouse gas emissions by sector and by gas
Evolution of Switzerland’s greenhouse gas emissions since 1990 in the sectors in accordance with the CO2 Ordinance and broken down by gas. The greenhouse gas emissions from international ...
River Typology for Switzerland
The typology of rivers groups the diversity of Swiss rivers according to abiotic, physiographic criteria, not considering anthropogenic impacts. They are a basis for assessment of the eco...
Ramsar sites in Switzerland
To protect wetlands, particularly as habitats for waterbirds and waders, a convention of international importance was signed in 1971 in the Iranian city of Ramsar. Switzerland ratified th...
Exceedance of critical loads for nitrogen
Excessive deposition of reactive nitrogen compounds (NO₂, NO₃⁻, HNO₃, NH₃, NH₄⁺) causes eutrophication (over-fertilisation) of sensitive ecosystems, contributes to soil acidification and ...
Aquaprotect” areas of flooding: 100-year recurrence period
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 caused by...
“Aquaprotect” areas of flooding: 250-year recurrence period
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 caused by...
“Aquaprotect” areas of flooding: 50-year recurrence period
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 caused by...
“Aquaprotect” areas of flooding: 500-year recurrence period
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 caused by...
UNESCO World natural heritage
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. Its objec...
Underground flow paths in karst regions
The Underground flow paths layer indicates the probable direction taken by the groundwater in karst regions within the catchments towards the relevant spring. These interpretations are al...
Vegetation alpine floodplains
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 national imp...
Vegetation height model NFI
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-80/100 sensor...
Vegetation height model Lidar NFI
Countrywide vegetation height models (VHM) were generated for Switzerland based on LiDAR data acquired in the framework of the swissSURFACE3D campaign (swisstopo). To derive vegetation he...
Vegetation height model Sentinel NFI
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 Federal Off...
Modelled altitudinal vegetation belts for 1975
This map shows the altitudinal belts of forest vegetation in Switzerland for the period 1961-1990. The following altitudinal vegetation belts only occur in the southern valleys: «hyperins...