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593 jeux de données trouvés

  • Biomass of total dead wood

    EnviDat: le portail de données environnementales
    Éducation, culture et sport

    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:

    ...

    Dernière mise à jour: 11 avril 2022

    • SERVICE
  • Stem discs LWF

    EnviDat: le portail de données environnementales
    Éducation, culture et sport

    Measurement of tree ring widts in tree stem disks according to 'Bräker O.U. (1993) Anleitung zur Entnahme von Stammscheiben auf Ertragskundeflächen'

    Purpose:

    tree growth

    Dernière mise à jour: 3 septembre 2021

    • SERVICE
  • RIT1: Processed permafrost borehole data (2690 m asl), Ritigraben, Switzerland

    EnviDat: le portail de données environnementales
    Éducation, culture et sport

    ENVIDAT NOTE: Data currently unvailable and measures are being taken to recover and restore the data files.

    Processed ground temperature measurements at the Ritigraben...

    Dernière mise à jour: 11 mars 2022

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    • PDF
  • Global species distributions for mammals, reptiles, and amphibians

    EnviDat: le portail de données environnementales
    Éducation, culture et sport

    We modelled the global distribution of 730 amphibian, 1276 reptile, and 1961 mammal species globally as a function of current climate at a 0.5° spatial resolution using four...

    Dernière mise à jour: 9 novembre 2022

    • ZIP
    • SERVICE
    • TXT
  • Vegetation Height Model NFI

    EnviDat: le portail de données environnementales
    Éducation, culture et sport

    A national vegetation height model was calculated for Switzerland using digital aerial images. We used the stereo aerial images acquired by the Federal Office of Topography...

    Dernière mise à jour: 12 septembre 2023

    • PDF
    • GeoTIFF
    • SERVICE
  • DISCHMEX - Observations and simulations of the close-ridge small-scale atmospheric flow field and snow accumulation at Sattelhorn, Dischma valley, Davos, Switzerland.

    EnviDat: le portail de données environnementales
    Éducation, culture et sport

    The data presented here corresponds to the publication "A Close-Ridge Small-Scale Atmospheric Flow Field and its Influence on Snow Accumulation" (Gerber et al., 2017), which...

    Dernière mise à jour: 15 novembre 2019

    • ZIP
  • Large wood event database

    EnviDat: le portail de données environnementales
    Éducation, culture et sport

    In the context of the WoodFlow project (https://woodflow.wsl.ch), an extensive database was developed which documents recruited and transported quantities of large wood (woody...

    Dernière mise à jour: 9 décembre 2021

    • XLS
  • Biomass of live trees

    EnviDat: le portail de données environnementales
    Éducation, culture et sport

    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. The...

    Dernière mise à jour: 11 avril 2022

    • SERVICE
  • Experts survey protective forest and combined extremes in Val Mesolcina

    EnviDat: le portail de données environnementales
    Éducation, culture et sport

    This dataset contains the results of a case study analysing the potential impacts of a compound meteorological extreme event on the protective forest in the Val Mesolcina. These...

    Dernière mise à jour: 2 octobre 2023

    • PDF
    • XLS
    • HTML
  • Volume

    EnviDat: le portail de données environnementales
    Éducation, culture et sport

    Volume of stemwood with bark of living trees and shrubs (standing and lying) starting at 12 cm dbh. This corresponds internationally to the "growing stock". The correction for bias...

    Dernière mise à jour: 11 avril 2022

    • SERVICE
  • Processed permafrost borehole data (2394 m asl), Fluelapass A, Switzerland

    EnviDat: le portail de données environnementales
    Éducation, culture et sport

    Processed ground temperature measurements at the Fluelapass permafrost borehole A (FLU_0102) in canton Graubunden, Switzerland. The borehole is located at 2394 m asl on a moderate...

    Dernière mise à jour: 11 mars 2022

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    • PDF
  • Total timber volume NFI1

    EnviDat: le portail de données environnementales
    Éducation, culture et sport

    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 whose...

    Dernière mise à jour: 11 avril 2022

    • SERVICE
  • ATREE forest owners survey about forest clearances offsetting in the forest

    EnviDat: le portail de données environnementales
    Éducation, culture et sport

    In April 2020, about 1700 forest owners of the plateau region of the Canton of Berne were invited to participate in a survey (virtually all of them received a conventional...

    Dernière mise à jour: 9 février 2022

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  • Nutrient addition experiment at the Alpine treeline site Stillberg, Switzerland

    EnviDat: le portail de données environnementales
    Éducation, culture et sport

    Background information

    The availability of nitrogen (N) and phosphorus (P) is considered to be a major factor limiting growth and productivity in terrestrial ecosystems globally....

    Dernière mise à jour: 17 avril 2023

    • HTML
    • PNG
    • SERVICE
  • Passive sampling of O3 LWF

    EnviDat: le portail de données environnementales
    Éducation, culture et sport

    Measuring air pollutants in forests is important for evaluating the risk for vegetation in areas not covered by conventional air quality monitoring networks. Ozone measurements are...

    Dernière mise à jour: 3 septembre 2021

    • SERVICE
  • Supplementary Data Sample Plot Inventory Sihlwald

    EnviDat: le portail de données environnementales
    Éducation, culture et sport

    Supplementary Data Sample Plot Inventory Sihlwald

    The Sihlwald is one of the largest contiguous beech forests in the Swiss Plateau region. In the year 2000, timber harvesting...

    Dernière mise à jour: 20 avril 2022

    • CSV
    • PDF
  • Biomass above ground of live trees

    EnviDat: le portail de données environnementales
    Éducation, culture et sport

    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...

    Dernière mise à jour: 11 avril 2022

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  • Number of forest plots

    EnviDat: le portail de données environnementales
    Éducation, culture et sport

    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,...

    Dernière mise à jour: 11 avril 2022

    • SERVICE
  • SPOT6 Avalanche outlines 16 January 2019

    EnviDat: le portail de données environnementales
    Éducation, culture et sport

    Outlines of 6'041 avalanches mapped from SPOT6 satellite data over the Swiss Alps on 16 January 2019. The dataset was acquired following a period with very high avalanche danger....

    Dernière mise à jour: 12 mai 2023

    • SHP
  • Saltation of cohesive granular materials

    EnviDat: le portail de données environnementales
    Éducation, culture et sport

    The wind-driven saltation of sand and snow shapes dunes and ripples, generates dust emission, and erodes the surface of the Antarctic ice sheet. Here, we use a model based on the...

    Dernière mise à jour: 31 mai 2022

    • ZIP