The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Volume XL-7/W3, 2015 36th International Symposium on Remote Sensing of Environment, 11–15 May 2015, Berlin, Germany THE USE OF SAR INTERFEROMETRY FOR LANDSLIDE MAPPING IN THE INDIAN HIMALAYAS M. Vöge a, R. Frauenfelder b, *, K. Ekseth c, M.K. Arora d, A. Bhattacharya e, R.K. Bhasin f a Norwegian Geotechnical Institute, P.O. box 3930 Ullevaal Stadion, 0806 Oslo, Norway –
[email protected] b Norwegian Geotechnical Institute, P.O. box 3930 Ullevaal Stadion, 0806 Oslo, Norway –
[email protected] c Norwegian Geotechnical Institute, P.O. box 3930 Ullevaal Stadion, 0806 Oslo, Norway –
[email protected] d Indian Institute of Technology, Roorkee-247667, Uttarakhand, India –
[email protected] e Indian Institute of Technology, Roorkee-247667, Uttarakhand, India; now at: Institute for Cartography, TU Dresden, 01069, Germany, AvH Postdoctoral Fellow –
[email protected] f Norwegian Geotechnical Institute, P.O. box 3930 Ullevaal Stadion, 0806 Oslo, Norway –
[email protected] KEY WORDS: Landslide monitoring, Indian Himalayas, InSAR, two-pass differential InSAR, SBAS, PSInSAR ABSTRACT: The aim of the here presented research was to investigate the potential of two-pass differential InSAR, and advanced DInSAR techniques, such as Small Baseline Subset (SBAS) and Persistent Scatterers (PS) interferometry, in order to detect and monitor the temporal behaviour of surface deformations in selected areas of the Garhwal and Kumaon Himalaya. We present results from the surroundings of the town of Nainital, from the Mansa Devi Hills area, and the areas around the cities of Chamoli Gopeshwar and Joshimath.