Interferometry

Effigis is proud to annonce that it will be a bronze level partner at the 2016 Geomatics, hosted by the Canadian Institute of Geomatics (CIG), which will take place on October 19 and 20 at Montréal's Palais des Congrès. This year, various facets will be displayed, notably those pertaining to geomarketing, applications for drones and emerging technologies. Effigis is a key player in geomatic industries; come meet our team at kiosks 38 and 39.

Using two SENTINEL-1A radar images acquired on March 27 and April 20, 2016, and differential interferometry (DInSAR), the Effigis Earth Observation team measured the ground displacement that took place following this earthquake.

Using radar interferometry, a technique used to target displacements to the nearest centimetre, Effigis’ Earth Observation Team tried to determine whether the impact of the earthquake could be measured.

On May 23, 2015, the highest volcano in the Galapagos Islands, Wolf Volcano, erupted for the first time in 33 years. Using satellite imagery and radar interferometry, our team tried to determine whether the soil had moved specifically due to this eruption.

There are many risks inherent to each steps of a mine lifecycle, and they are all quite different from one another. How can we better manage and especially evaluate these risks?

It’s true that it does not easily spring to mind that the images captured by Earth observation satellites, nowadays with submetric spatial resolution at best, can produce displacement measurements with a precision measured in centimetres or millimetres, as the experts claim. But what exactly does this involve?