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Intercomparison of Snow Grain Size Measurements Workshop

Start: 09th March 2014
End: 14th March 2014
Venue: SLF Davos
Organizer: Martin Schneebeli, Anja Schilling
Language: English
Type of event: Workshop
Audience: Users and developers of the following instruments: Spectroscopic methods • Near-infrared photography • Direct optical methods • SnowMicroPen • Tomography • BET adsorption methods • Casting • Stereology • BET adsorption methods • Casting • Stereology
SnowMircoPen-Messung Schneeprofil Schneekristalle Kältelabor Infrarot-Fotografie


The Intercomparison of Snow Grain Size Measurements Workshop will take place from March 9-14, 2014 in Davos, Switzerland, and a follow-up workshop from August 4-5, 2014 in Reading, UK.
Pre-registration for the follow-up workshop, combined with the MICROSNOW workshop, can now be done at esa Webpage. 

Workshop goal

The workshop goal is to compare all currently used direct and indirect methods of measuring snow “grain size”. The following instruments are currently on our partial list to compare:

• Tomography

• BET adsorption methods

• Casting methods

• Stereology and sectioning

• Spectroscopic methods (e.g. using 1030 nm absorption feature)

• Near-infrared photography

• Direct optical methods (e.g. based on 1300 nm reflectance)

• High-resolution penetrometry (e.g. SnowMicroPen)

• Traditional grain size


The measurements will be conducted in the cold laboratories of the WSL Institute for Snow and Avalanche Research SLF and on a dedicated field site near Davos. Homogenous snow samples will be prepared by the SLF.

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