Articles | Volume 15, issue 4
https://doi.org/10.5194/nhess-15-723-2015
https://doi.org/10.5194/nhess-15-723-2015
Research article
 | 
02 Apr 2015
Research article |  | 02 Apr 2015

Amalgamation in landslide maps: effects and automatic detection

O. Marc and N. Hovius

Viewed

Total article views: 4,596 (including HTML, PDF, and XML)
HTML PDF XML Total Supplement BibTeX EndNote
1,975 2,467 154 4,596 195 131 145
  • HTML: 1,975
  • PDF: 2,467
  • XML: 154
  • Total: 4,596
  • Supplement: 195
  • BibTeX: 131
  • EndNote: 145
Views and downloads (calculated since 16 Dec 2014)
Cumulative views and downloads (calculated since 16 Dec 2014)

Cited

Saved (final revised paper)

Saved (preprint)

Latest update: 24 Apr 2025
Download
Short summary
We present how amalgamation (i.e. the mapping of several adjacent landslides as a single polygon) can distort results derived from landslide mapping. Errors on the total landslide volume and power-law exponent of the area–frequency distribution, resulting from amalgamation, may be up to 200 and 50%, respectively. We present an algorithm based on image and DEM analysis, for automatic identification of amalgamated polygons, allowing one to check and correct landslide inventories faster.
Share
Altmetrics
Final-revised paper
Preprint