43 dataset trovati

  • Snow water equivalent for reference date April 1 for Wägital catchment, starting 1943

    EnviDat: il portale dei dati ambientali
    Istruzione, cultura e sport

    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...

    Ultimo aggiornamento: aprile 19,2023

    • TXT
  • Satellite avalanche mapping validation data

    EnviDat: il portale dei dati ambientali
    Istruzione, cultura e sport

    Validation points, validation area, ground truth coverage, SPOT 6 avalanche outlines, Sentinel-1 avalanche outlines, Sentinel-2 avalanche outlines, Davos avalanche mapping...

    Ultimo aggiornamento: settembre 4,2023

    • ZIP
  • UAS based snow depth maps Brämabüel, Davos, CH

    EnviDat: il portale dei dati ambientali
    Istruzione, cultura e sport

    This snow depth map was generated 14 January 2015, close to peak of winter accumulation, applying Unmanned Aerial System digital surface models with a spatial resolution of 10 cm....

    Ultimo aggiornamento: ottobre 27,2021

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

    EnviDat: il portale dei dati ambientali
    Istruzione, cultura e 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...

    Ultimo aggiornamento: luglio 17,2020

    • PDF
    • TXT
    • SERVICE
  • SPOT6 Avalanche outlines 16 January 2019

    EnviDat: il portale dei dati ambientali
    Istruzione, cultura e 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....

    Ultimo aggiornamento: maggio 12,2023

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

    EnviDat: il portale dei dati ambientali
    Istruzione, cultura e 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...

    Ultimo aggiornamento: dicembre 3,2019

    • CSV
  • Snow Drift Station - Snow and Air Data

    EnviDat: il portale dei dati ambientali
    Istruzione, cultura e 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)...

    Ultimo aggiornamento: marzo 27,2020

    • XLS
  • Compressive stick slip and snow-micro-quakes

    EnviDat: il portale dei dati ambientali
    Istruzione, cultura e 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...

    Ultimo aggiornamento: febbraio 5,2020

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

    EnviDat: il portale dei dati ambientali
    Istruzione, cultura e 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...

    Ultimo aggiornamento: ottobre 25,2019

    • ZIP
  • SPOT6 Avalanche outlines 24 January 2018

    EnviDat: il portale dei dati ambientali
    Istruzione, cultura e 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...

    Ultimo aggiornamento: aprile 20,2023

    • SHP
  • Snowfarming data set Davos and Martell 2015

    EnviDat: il portale dei dati ambientali
    Istruzione, cultura e 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...

    Ultimo aggiornamento: ottobre 31,2019

    • SERVICE
    • TXT
  • Snow and the water cycle in a changing climate

    EnviDat: il portale dei dati ambientali
    Istruzione, cultura e 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...

    Ultimo aggiornamento: maggio 20,2020

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

    EnviDat: il portale dei dati ambientali
    Istruzione, cultura e sport

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

    Manuscript...

    Ultimo aggiornamento: novembre 3,2019

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

    EnviDat: il portale dei dati ambientali
    Istruzione, cultura e 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,...

    Ultimo aggiornamento: novembre 29,2019

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

    EnviDat: il portale dei dati ambientali
    Istruzione, cultura e 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...

    Ultimo aggiornamento: febbraio 22,2022

    • ZIP
  • Longterm hydrological observatory Alptal (central Switzerland)

    EnviDat: il portale dei dati ambientali
    Istruzione, cultura e 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...

    Ultimo aggiornamento: marzo 3,2023

    • XLS
  • Validating and improving the critical crack length in SNOWPACK

    EnviDat: il portale dei dati ambientali
    Istruzione, cultura e 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...

    Ultimo aggiornamento: ottobre 29,2020

    • ZIP
    • TXT
  • Forecast avalanche danger level European Alps 2011 - 2015

    EnviDat: il portale dei dati ambientali
    Istruzione, cultura e 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...

    Ultimo aggiornamento: novembre 3,2019

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

    EnviDat: il portale dei dati ambientali
    Istruzione, cultura e 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...

    Ultimo aggiornamento: gennaio 5,2023

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

    EnviDat: il portale dei dati ambientali
    Istruzione, cultura e 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...

    Ultimo aggiornamento: dicembre 3,2019

    • ZIP