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SqueeSAR™ is used to identify areas of ground instability and aid the development of emergency planning. 

SqueeSAR™ is used by civil and environmental protection agencies to identify areas where civilians may be at risk, aiding the establishment of natural disaster response plans. Ground instability maps are used to reduce risk to acceptable thresholds and aid the establishment of guidelines for the prevention of future catastrophes.

Hazard Identification
Wide area ground instability maps assist in identifying preventative measures against natural and man-made hazards, mitigating risk to human life.

By identifying ground displacement rates, SqueeSAR™ is used to categorize land into areas of low to elevated risk. Where risk is deemed unacceptable, remedial action can be taken to avoid human losses and costly damage.

Risk Exposure Models
SqueeSAR™ monitors the temporal evolution of potential natural hazards. Instability data are used as input to geo-hazard models for the calculation of human risk exposure and the preparation of emergency procedures.

Emergency Route Planning
By providing decision makers with an overview of surface stability, SqueeSAR™ can be useful for establishing emergency evacuation routes and relocation sites.

 

Historical Analysis

Monitoring

<strong>Updating Landslide Inventory</strong><br>Image above shows SqueeSAR™ results over mountainous area subject to slope instabilities. SqueeSAR™ results are used, together with traditional surveying techniques, to characterize slope instabilities (dormant or active) to both verify and update existing landslide inventories. Bottom left Image shows landslide inventory prior to the availability of SqueeSAR™ data. Bottom right image shows the updated landslide inventory, after the availability of SqueeSAR™ data. <br><br>Data: Radarsat-1 (Mar 2003 - Sep 2008). Landslide inventory updated by <a target='_blank' href='http://www.unifi.it/mdswitch.html'>UNIFI</a>. Background image: Google Earth.
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Department of Civil Protection (Italian)

Dipartimento della Protezione Civile


UNIFI

Univerity of Florence