Janusz WASOWSKI(1), Fabio BOVENGA(2), Raffaele NUTRICATO(3), Davide Oscar NITTI(3), Maria Teresa CHIARADIA(4), Spartak KUCAJ(5) and Boris STRATI(5), 2015, High resolution satellite multi-temporal interferometry for detecting and monitoring landslide and subsidence hazards, 10th Regional Asian Conference of IAEG (2015), Kyoto (Giappone), 26-27/09/2015,
URL: http://www.cnr.it/prodotto/i/399203

With the increasing number of radar satellites and improved data processing tools, multi-temporal interferometry (MTI) can considerably enhance our capabilities of monitoring landslide and subsidence hazards. MTI provides long-term (years), regular (weekly-monthly), precise (mm) measurements of ground displacements over large areas (thousands of km2), combined with high spatial resolution (up to 1-3 m) and possibility of multi-scale (regional to site-specific) investigations using the same series of radar images. To highlight the great potential of high resolution MTI we discuss application examples from two seismically active regions prone to land instability_ i) Albania, including the large plain area occupied by the city of Tirana and nearby scarcely populated mountains, and ii) Haiti, including the Port-au-Prince metropolitan area, with coastal and mountain zones destabilized by the 2010 Mw 7.0 earthquake. It is shown that MTI can provide very useful results in a wide range of geomorphic, climatic and vegetation environments.

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