Ground settlement monitoring from satellite images processing: SIXENSE Satellite

23 Nov 2017 – Ground settlement or subsidence is a usually slow and long-term process affecting mainly coastal, riparian and reclaimed lands, and areas where underground works are undertaken. It is susceptible to cause irreversible damages to the underground and surface structures built in the affected areas.

At this committee meeting, Blanca Payas, Head of SIXENSE Satellite shared with us how monitoring ground motion brings valuable information to evaluate and mitigate the corresponding risks. This monitoring is traditionally done using on-field surveys, but since the availability of satellite images in the 90s, it is possible to track and re-build the history of settlement in monitored areas, without requiring any physical access on site, and with enough frequency and accuracy to provide relevant interpretation.

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