Comparing Landslide Hazard Maps

C. Van Westen, A. Seijmonsbergen and F. Mantovani

Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, 1999, vol. 20, issue 2, 137-158

Abstract: The objective of the method explained in this paper isto obtain a better insight in the decision rulesapplied by geomorphologists in the direct mapping oflandslide hazard. This can be obtained by forcinggeomorphologists to specify for each unit (polygon) intheir hazard map the criteria that they used toclassify the unit as high, medium or low hazard. Whenthis is done systemically for an entire area, it ispossible to analyze those criteria statistically, andto evaluate whether they can be grouped into generaldecision rules, or whether these criteria arecompletely site specific. The same area in the Alpagoregion in Italy was mapped at 1 : 5000 scale by threeteams of experts individually. The different methodsare presented and the results are compared. Copyright Kluwer Academic Publishers 1999

Keywords: landslides hazard; direct methods; indirect methods; GIS; geomorphology; Alpago area (search for similar items in EconPapers)
Date: 1999
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Citations: View citations in EconPapers (8)

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DOI: 10.1023/A:1008036810401

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