40 jeux de données trouvés

  • Data set on interfacial supercooling and the precipitation of hydrohalite in frozen NaCl solutions by X-ray absorption spectroscopy

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

    Laboratory experiments are presented on the phase change at the surface of sodium chloride – water mixtures at temperatures between 259 K and 240 K. High selectivity to the upper...

    Dernière mise à jour: 17 juillet 2020

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  • 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

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  • Kinetic experiments on the oxidation of bromide by ozone from 289-245 K.

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

    The reaction of ozone with bromide in polar regions results in the formation of reactive bromide species with impacts on ozone budget and the oxidative capacity of the lower...

    Dernière mise à jour: 3 décembre 2019

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  • Snow Drift Station - Snow and Air Data

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

    Snow and air data was monitored at Gotschnagrat (LON: 46.859 LAT: 9.849) by an infrarot radiometer (Campbell SI-111) for snow temperature (°C), a snow height sensor (Lufft SHM-31)...

    Dernière mise à jour: 27 mars 2020

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  • Compressive stick slip and snow-micro-quakes

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

    When snow is compressed with a certain speed, micro-snowquakes are triggered in the porous structure of bonded crystals. The present dataset covers uniaxial compression experiments...

    Dernière mise à jour: 5 février 2020

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  • Preferential deposition of snow and dust over hills: governing processes and relevant scales

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

    Preferential deposition of snow and dust over complex terrain is responsible for a wide range of environmental processes, and accounts for a significant source of uncertainty in...

    Dernière mise à jour: 25 octobre 2019

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  • SPOT6 Avalanche outlines 24 January 2018

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

    Outlines of 18'737 avalanches mapped from SPOT6 satellite data over the Swiss Alps on 24 January 2018. The outlines have different attributes described in the data example key...

    Dernière mise à jour: 20 avril 2023

    • SHP
  • Snowfarming data set Davos and Martell 2015

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

    Two data sets obtained for snow farming projects (Fluela, Davos, CH and Martell, IT) in 2015.

    The data set contains for each site:

    • 10 cm GIS raster of snow depth calculated...

    Dernière mise à jour: 31 octobre 2019

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  • Snow and the water cycle in a changing climate

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

    This report was prepared as one of the synthesis report chapters of the Hydro-CH2018 project of the Federal Office for the Environment (FOEN). An important feature of snow cover is...

    Dernière mise à jour: 20 mai 2020

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  • Energy- and momentum-conserving model of splash entrainment in sand and snow saltation

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

    The files contain the datasets used to produce Figures 2, 3, and 4 of the manuscript (doi: 10.1002/2016GL071822).

    Manuscript...

    Dernière mise à jour: 3 novembre 2019

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  • GPS-derived data of SWE, HS and LWC and corresponding validation data

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

    This data set includes GPS-derived snow water equivalent (SWE), snow depth (HS) and liquid water content (LWC) data for three entire snow-covered seasons (2015-2016, 2016-2017,...

    Dernière mise à jour: 29 novembre 2019

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  • A numerical solver for heat and mass transport in snow based on FEniCS

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

    This python code uses the Finite Element library FEniCS (via docker) to solve the one dimensional partial differential equations for heat and mass transfer in snow. The results are...

    Dernière mise à jour: 22 février 2022

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  • Longterm hydrological observatory Alptal (central Switzerland)

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

    This data set includes 54 years of hydrometeorological measurements from small (first-order) catchments in the pre-alpine valley Alptal. Here we provide daily mean values; values...

    Dernière mise à jour: 3 mars 2023

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  • Validating and improving the critical crack length in SNOWPACK

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

    To validate the critical crack length as implemented in the snow cover model SNOWPACK, PST experiments were conducted for three winter seasons (2015-2017) at two field site above...

    Dernière mise à jour: 29 octobre 2020

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  • Forecast avalanche danger level European Alps 2011 - 2015

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

    This dataset contains the data used in the publication by Techel et al., 2018 Spatial consistency and bias in avalanche forecasts - a case study in the European Alps (Nat Haz...

    Dernière mise à jour: 3 novembre 2019

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  • Experiments on stable water isotopes, snow metamorphism, and advection

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

    Stable water isotopes (δ18O) obtained from snow and ice samples of polar regions are used to reconstruct past climate variability, but heat and mass transport processes can affect...

    Dernière mise à jour: 5 janvier 2023

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  • How do stability corrections perform in the stable boundary layer over snow?

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

    We used five different atmospheric turbulence datasets from four test sites, with these sites showing differences in their topographical characteristics. We chose one typical...

    Dernière mise à jour: 3 décembre 2019

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  • Data set on bromide oxidation by ozone in snow during metamorphism from laboratory study

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

    Earth’s snow cover is very dynamic on diurnal time scales. The changes to the snow structure during this metamorphism have wide ranging impacts such as on avalanche formation and...

    Dernière mise à jour: 16 juillet 2020

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  • 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

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  • Precipitation Scaling Data Set (Vögeli et al., Frontiers)

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

    Dataset (Model input, snow distribution and validation) for the precipitation scaling paper, which should be cited along with the data set citation.

    This data is useful for...

    Dernière mise à jour: 10 juin 2020

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