Landslide monitoring  using airphotos time series and GIS

Katerina Kavoura; Konstantinos G. Nikolakopoulos; Nikolaos Sabatakakis

doi:10.1117/12.2068028

23 October 2014 Landslide monitoring using airphotos time series and GIS

Katerina Kavoura, Konstantinos G. Nikolakopoulos, Nikolaos Sabatakakis

Proceedings Volume 9245, Earth Resources and Environmental Remote Sensing/GIS Applications V; 924509 (2014) https://doi.org/10.1117/12.2068028
Event: SPIE Remote Sensing, 2014, Amsterdam, Netherlands

Abstract

Western Greece is suffering by landslides. The term landslide includes a wide range of ground movement, such as slides, falls, flows etc. mainly based on gravity with the aid of many conditioning and triggering factors. Landslides provoke enormous changes to the natural and artificial relief. The annual cost of repairing the damage amounts to millions of euros. In this paper a combined use of airphotos time series, high resolution remote sensing data and GIS for the landslide monitoring is presented. Analog and digital air-photos used covered a period of almost 70 years from 1945 until 2012. Classical analog airphotos covered the period from 1945 to 2000, while digital airphotos and satellite images covered the 2008-2012 period. The air photos have been orthorectified using the Leica Photogrammetry Suite. Ground control points and a high accuracy DSM were used for the orthorectification of the air photos. The 2008 digital air photo mosaic from the Greek Cadastral with a spatial resolution of 25 cm and the respective DSM was used as the base map for all the others data sets. The RMS error was less than 0.5 pixel. Changes to the artificial constructions provoked by the landslideswere digitized and then implemented in an ARCGIS database. The results are presented in this paper.

Citation Download Citation

Katerina Kavoura, Konstantinos G. Nikolakopoulos, and Nikolaos Sabatakakis "Landslide monitoring using airphotos time series and GIS", Proc. SPIE 9245, Earth Resources and Environmental Remote Sensing/GIS Applications V, 924509 (23 October 2014); https://doi.org/10.1117/12.2068028

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