User Manual SPA Snow Pack Analyser
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1.2. Measurement parameters
Snow density
The SPA calculates the snow density of the snow surrounding the SPA-sensor.
Snow water equivalent SWE
The SWE corresponds to the water column in mm resulting from the melting of the complete snow cover
on a defined area. It is calculated from the snow density of sloping sensors with respect to the snow
depth.
Contents of liquid water and ice in snow pack
The volumetric contents of ice and liquid water in the snow are output in %.
Snow depth
The snow depth is measured by an ultra sonic sensor. It is necessary to determine the SWE.
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