On solid ground
03 December 2014
Lovers of architecture and history can rest easy: the stability of historical buildings can now be monitored in real time by a new technique with its roots in space.
In the past, if you feared the land beneath your house or road might be shifting, the only method was to install measuring devices, and wait – often for months – to find out.Today, landowners can determine whether or not they have a problem much faster, thanks to a company that taps into existing space data to trace changes over time.
Collected over decades during Earth observation missions like ERS and Envisat, ESA satellite data archives hold a wealth of information about changes in our planet's surface.
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