Maps of Snow depth (HS) and Snow Water Equivalent (SWE) – ARPA Lombardia

Processing of raster maps of snow depth on the ground, which allow the assessment of water availability and the calculation of the snow water equivalent

PROJECT: maps creation of snow depth on the ground to asses water availability and calculate the water equivalent

CLIENT: ARPA Lombardia

STAKEHOLDERS: ARPA Lombardia, Lombardy Region, public and private hydropower companies

OBJECTIVE: acquisition of daily information on the availability of water in liquid form (SWE) produced by snowpack melting

DESCRIPTION: point data from snow weather monitoring stations are processed using the SNOWPACK software to simulate snowpack characteristics. These data, integrated with satellite image analysis and spatial interpolation algorithms, enable the production of daily snow depth and snow water equivalent (SWE) maps for the entire Lombardy region. The outputs are visualized through a dashboard that allows to query the data both spatially and temporally.

The image on the left shows the raster map of liquid water availability (SWE) for the Lombardy region; the “SWE Graphs” image is a graph showing the SWE trend; the image on the right shows a map indicating the snowpack depth in various areas of Lombardy. The image entitled “Snowpack density” shows a simulation of snowpack density.

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