WISe

Measure the Liquid Water Content of snow

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LWC over a perfectly controled snow sample volume

Based on capacitance technology and a concentric electrode design, WISe offers reliable LWC measurements over a perfectly controled snow sample volume.

LWC range
0-20 vol. %

Uncertainty
1 vol. %

Sampling volume
325 cm3

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A reliable method based on the dielectric permittivity of snow in the MHz range

The WISe technology, developed in collaboration with Météo-France, relies on the relation between the liquid water content, the density and the permittivity of snow in the MHz range. The technique was validated against the well-established calorimetry method.

Application cases

  • Snowmelt onset detection
  • Snow avalanche forecasting
  • Snow making quality assessment
  • Radiative transfer calculations
  • Remote sensing validation