2023-09-13 04:00:00
Beyond the current situation, these satellites also make it possible to anticipate potential future risks, after a natural disaster. Researcher at the CSL signal processing and remote sensing laboratory, Dominique Derauw adds that: “Radar satellites make it possible to make observations by illuminating the ground with radar radiation whose wavelength is of the order of a few cm. Compared to visible radiation which is at a wavelength of the order of half a micron, we observe other characteristics of the ground such as roughness and humidity.“
So much information that helps keep the population safe, but also the rescue teams who work day and night on the ground. Even if they cannot predict an earthquake, satellites are in a way another link in the chain of solidarity after a natural disaster.
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