Datasets

  • Snow water equivalent for reference date April 1 for Wägital catchment, start...

    Total water reserves of the snow cover [mio m3] for Wägital catchment, Switzerland, for reference date April 1. Data is separated in 2 elevation zones 900m-1500m asl and...

  • elevation-profiler: first release

    Elevation profiler (see Krebs et al. 2015) is an open source GIS tool designed to work with ArcGIS that automatically calculates transverse or longitudinal elevation profiles of...

  • fire-randomizer: first release

    Tool to assess fire selectivity for topographic (e.g. alitiude, slope, aspect) or land use (forest or vegetation type, distance to infrastructures) categories with Monte Carlo...

  • Database on holdover time of lightning-ignited wildfires

    This database contains open, harmonized, and ready-to-use global data on holdover time. Holdover time is defined as the time between lightning-induced fire ignition and fire...

  • Avalanche accidents in Switzerland since 1970/71

    When using this data, please consider and adhere to the associated Terms of Use. This data collection contains information concerning all known accidents by snow avalanches in...

  • Fatal avalanche accidents in Switzerland since 1936/37

    When using this data, please consider and adhere to the associated Terms of Use. This data collection contains information concerning all known accidents by snow avalanches in...

  • WFJ_MOD: Meteorological and snowpack measurements from Weissfluhjoch, Davos, ...

    Dataset of meteorological and snowpack measurements from the automatic weather station at Weissfluhjoch, Davos, Switzerland, suitable for driving snowpack models. The dataset...

  • Non-Binary Environmental Archive Data (NEAD) format

    Acknowledgement: The NEAD format includes NetCDF metadata and is proudly inspired by both SMET and NetCDF formats. NEAD is designed as a long-term data preservation and exchange...

  • Cloud Optimized Raster Encoding (CORE) format

    DISCLAIMER: CORE is still in development. Interested parties are warmly invited to join common development, to comment, discuss, find bugs, etc. Acknowledgement: The CORE format...

  • Forest monitoring to assess forest functioning under air pollution and climat...

    Forest monitoring to assess forest functioning under air pollution and climate change. Proceedings. FORECOMON 2021 - the 9th forest ecosystem monitoring conference. 7-9 June...

  • Tree Diameter and Height Inventory LWF

    Tree circumference, height, height to crown base measurements, mortality, decay class and removal assessment on LWF plots Purpose: Assessment of tree and forest growth Manual...

  • High resolution sea ice surface topography from the SIPEX-2 expedition, East ...

    This dataset comprises of a post-processed set of terrestrial laser scans (TLS’s) of Antarctic sea ice obtained during the Sea Ice Physics and Ecosystem Experiment-2 (SIPEX-2,...

  • Manual bi-weekly snow profiles from Weissfluhjoch, Davos, Switzerland

    Dataset of manual bi-weekly snow profiles from Weissfluhjoch, Davos, Switzerland. Typical snow profile measurements and observations are included (temperature, density, grain...

  • Antarctic sea-ice freshwater fluxes associated with freezing, transport, and ...

    This data set provides estimates of annual fresh water fluxes related to sea-ice formation from ocean freezing and snow-ice formation, sea-ice melting, lateral transport of sea...

  • Large GIS raster data derived from Natural Earth Data (Cross Blended Hypso wi...

    The attached data are some large GIS raster files (GeoTIFFs) made with Natural Earth data. Natural Earth is a free vector and raster map data @ naturalearthdata.com. The data...

  • Biomass of total dead wood

    Dry weight (mass) of all deadwood. This consists of the standing dead trees and shrubs starting at 12cm dbh and the lying deadwood starting at 7cm in diameter. Citation:...

  • Total timber volume

    Volume of stemwood with bark of all living and dead trees and shrubs (standing and lying) starting at 12 cm dbh. This corresponds to the sum of the volumes of growing stock and...

  • Total basal area

    Sum of the stem cross-section areas of all living and dead trees and shrubs starting at 12 cm dbh at a height of 1.3 m (dbh measurement height). Citation: Abegg, M.; Brändli,...

  • Salvage logging*

    Volume of stemwood with bark of all trees and shrubs starting at 12 cm dbh that were removed from the forest as a result of damage occurring (e.g. windthrow, avalanches,...

  • Salvage logging due to wind

    Volume of stemwood with bark of all trees and shrubs starting at 12 cm dbh removed from the forest between two inventories due to damage that occurred, in this case windthrow,...

  • Forest area

    The forest area is the total sum of all areas classified as forest according to NFI’s forest definition. The forest definition includes shrub forest. This theme is also used to...

  • Number of young forest plants by damage

    Number of regeneration trees starting at 10 cm height up to 11.9 cm dbh with a particular type of damage or with no damage. The attribute is recorded by targeting the next...

  • Volume of dead wood

    Volume of stemwood with bark of all dead trees and shrubs (standing and lying) starting at 12 cm dbh. Unlike this theme , the "Amount of deadwood according to the method of...

  • Number of woody species (>= 12 cm DBH)

    Number of tree and shrub species starting at 12 cm dbh (diameter at breast height) within the 200 m2 sample plot. Citation: Abegg, M.; Brändli, U.-B.; Cioldi, F.; Fischer, C.;...

  • Biomass of lying dead wood (LIS)

    Dry weight (mass) of lying deadwood starting at 7 cm in diameter that does not fulfil the criteria for a tally tree (measurement location of dbh not identifiable or the dbh is...

  • Biomass of standing dead trees

    Dry weight (mass) of dead, standing trees and shrubs starting at 12 cm dbh. This consists of the tree parts: roots, stemwood and also, depending on the degree of decomposition,...

  • Young forest with browsing damage

    Number of regeneration trees where browsing of the shoots from the previous year was recorded in NFI’s regeneration survey. Citation: Abegg, M.; Brändli, U.-B.; Cioldi, F.;...

  • Salvage logging due to insects

    Volume of stemwood with bark of all trees and shrubs starting at 12 cm dbh removed from the forest between two inventories due to damage that occurred, in this case insects,...

  • Total basal area NFI1

    Sum of stem cross-section areas at a height of 1.3 m (dbh measurement height) of all living and dead trees and shrubs starting at 12 cm dbh recorded according to the NFI1...

  • Increment*

    Increase in the volume of stemwood with bark of the surviving trees and shrubs starting at 12 cm dbh between two inventories and the losses (modelled for the half period), plus...

  • Total timber volume NFI1

    Volume of stemwood with bark of all living and dead trees and shrubs starting at 12 cm dbh recorded according to the NFI1 method. In NFI1 only those dead trees were recorded...

  • Biomass above ground of live trees

    Dry weight (mass) of the aboveground parts of living trees and shrubs starting at 12 cm dbh. This consists of the tree parts: stemwood, branch coarse wood, brushwood/twigs and...

  • Volume of bole wood (HG 2010)

    Wood volume of the trunk without bark or branches at least 7 cm in diameter (limit for coarse wool) of all trees and shrubs starting at 12 cm dbh, based on the stem-form...

  • Stem number of dead wood

    Number of stems of dead trees and shrubs (standing and lying) starting at 12 cm dbh. Citation: Abegg, M.; Brändli, U.-B.; Cioldi, F.; Fischer, C.; Herold-Bonardi, A.; Huber...

  • Forest area by forest function

    The forest area refers to all areas classified as forest according to NFI’s forest definition. The forest definition includes shrub forest. For each forest function (including...

  • Total stem number by cause of damage

    Number of all living and dead trees and shrubs starting at 12 cm dbh where a particular cause of damage (including no damage, dead or lying) was determined. One tree may have...

  • Number of forest plots

    Number of forest sample plots (Plots). Citation: Abegg, M.; Brändli, U.-B.; Cioldi, F.; Fischer, C.; Herold-Bonardi, A.; Huber M.; Keller, M.; Meile, R.; Rösler, E.; Speich,...

  • Total stem number

    Number of stems of all living and dead trees and shrubs starting at 12 cm dbh. Citation: Abegg, M.; Brändli, U.-B.; Cioldi, F.; Fischer, C.; Herold-Bonardi, A.; Huber M.;...

  • Mass of merchantable branches of live trees

    Dry weight (mass) of branches with a diameter of at least 7 cm from living trees and shrubs starting at 12cm dbh. Citation: Abegg, M.; Brändli, U.-B.; Cioldi, F.; Fischer, C.;...

  • Salvage logging due to insects*

    Volume of stemwood with bark of all trees and shrubs starting at 12 cm dbh removed from the forest as a result of damage occurring between two inventories, in this case...

  • Mortality

    Volume of stemwood with bark of all trees and shrubs starting at 12 cm dbh that died or disappeared between two inventories and that were not harvested. The correction for bias...

  • Basal area of dead wood NFI1

    Sum of stem cross-section areas of all dead trees in a stand at a height of 1.3 m (dbh measurement height) recorded according to the NFI1 method. Citation: Abegg, M.; Brändli,...

  • Number of woody species (from 40 cm height)

    Number of species of living trees and shrubs starting at 40 cm plant height that occur within a 200 m2 sample plot. Citation: Abegg, M.; Brändli, U.-B.; Cioldi, F.; Fischer,...

  • Length of forest roads

    The length of forest roads corresponds to the length of the NFI forest roads. This length was calculated according to the method of the specific NFI concerned. Citation: Abegg,...

  • Yield and mortality*

    Volume of stemwood with bark of all trees and shrubs starting at 12 cm dbh that were used, died or disappeared between two inventories. *In the calculation no D7/tree height...

  • Biomass of live trees

    Dry weight (mass) of living trees and shrubs starting at 12 cm dbh. This consists of the tree parts: roots, stemwood, branch coarse wood, brushwood/twigs and needles/leaves....

  • Salvage logging

    Volume of stemwood with bark of all trees and shrubs starting at 12 cm dbh removed from the forest due to damage occurring (e.g. windthrow, avalanches, insects or rockfall),...

  • Stem number

    Number of stems of living trees and shrubs (standing and lying) starting at 12 cm dbh. Citation: Abegg, M.; Brändli, U.-B.; Cioldi, F.; Fischer, C.; Herold-Bonardi, A.; Huber...

  • Total stem number by type of damage

    Number of all living and dead trees and shrubs starting at 12 cm dbh where a particular type of damage (including no damage, dead or lying) was observed. One tree may have more...

  • Number of forest edges

    Number of forest edges according to the NFI definition. Citation: Abegg, M.; Brändli, U.-B.; Cioldi, F.; Fischer, C.; Herold-Bonardi, A.; Huber M.; Keller, M.; Meile, R.;...