Project Description

Ottawa is built on a stable bedrock and ground displacement is generally not an issue. With the LRT tunnel started in 2016, ground subsidence became an issue along the LRT track. A number of buildings were found to be affected (red circles) and a sinkhole opened in June 2016 (blue circle).

Patterns of water flow and water

A PSInSAR map produced with TerraSAR-X Spotllight data has shown that buildings along the LRT between the sinkhole and the Rideau LRT station were shown to subside (black circle).

Patterns of water flow and water
Patterns of water flow and water

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