The study presents an integrated investigation of a complex landslide based on multitem‐ poral stereo aerial photographic interpretations, existing geotechnical monitoring data, and differ‐ ent PSInSAR datasets. The available information allowed for the quantification of the deformation history, also in periods with no monitoring in the field, making it possible to revise the geometry of the landslide compared to the official landslide mapping. Data from sparse inclinometers are com‐ pared with more spatially continuous satellite measurements, showing that the two monitoring techniques are consistent in terms of cumulative deformation trend and in terms of response to prolonged drought and wet periods. Therefore, reliable landslide mass displacements can be mon‐ itored using satellite products when ground instrumentations are no longer operating. Understand‐ ing the landslide behavior to rainfall conditions offers an important insight into the velocities and cumulative displacements expected during similar stages of enhanced landslide activity. The find‐ ings can be helpful to support urban planners in re‐evaluating hazard and risk classification and implementing efficient mitigation techniques to reduce landslide damage.
Di Matteo, Lucio
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