A single application for estimating snow water equivalent from a RADARSAT image
An ingenious method for estimating the spatial distribution of the snow water equivalent (SWE) was developed
using Earth observation images from the Canadian RADARSAT satellite. VIASAT GeoTechnologies developed this new
radar remote sensing application working with INRS-Eau, Terre et Environnement
and Hydro-Québec.
The EQeau application calculates a water equivalent value for every pixel in a RADARSAT image
captured during the
snow accumulation season. EQeau is a new tool for mapping a SWE line over very wide areas of up to
250 000 km2. Designed by qualified technicians and hydrologists, EQeau contains
a set of functions that water management specialists can exploit to get desired results in the statistical and map
format they want, including a breakdown of SWE estimates for land units such as drainage basins.
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