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Natural Hazards and Earth System Sciences An interactive open-access journal of the European Geosciences Union
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Volume 9, issue 1
Nat. Hazards Earth Syst. Sci., 9, 129–133, 2009
https://doi.org/10.5194/nhess-9-129-2009
© Author(s) 2009. This work is distributed under
the Creative Commons Attribution 3.0 License.

Special issue: LIDAR and DEM techniques for landslides monitoring and...

Nat. Hazards Earth Syst. Sci., 9, 129–133, 2009
https://doi.org/10.5194/nhess-9-129-2009
© Author(s) 2009. This work is distributed under
the Creative Commons Attribution 3.0 License.

  16 Feb 2009

16 Feb 2009

Variogram maps from LiDAR data as fingerprints of surface morphology on scree slopes

S. Trevisani, M. Cavalli, and L. Marchi S. Trevisani et al.
  • CNR IRPI, Corso Stati Uniti 4, 35127 Padova, Italy

Abstract. Herein, an aerial LiDAR topographic dataset is analysed and interpolated by means of geostatistical techniques in order to examine the morphology of a scree slope area in the Eastern Italian Alps. The LiDAR-derived digital terrain model (DTM) is analysed using variogram maps as spatial continuity indexes. This allowed for evaluation of the reproduction of spatial variability of topography and for the characterization and comparison of different morphological features occurring in the study site. The results indicate that variogram maps efficiently synthesise the spatial variability of topography in a local search window, representing suitable "fingerprints" of surface morphology.

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