New GIS developments in mountain protection forests zoning against snow avalanches and rockfalls
作者： F. Berger , N. Clouet
DOI:
关键词: Rockfall 、 Environmental resource management 、 Geography 、 Zoning 、 Geographic information system 、 Silviculture 、 Hazard 、 Cartography 、 Digital elevation model 、 Geospatial analysis 、 Natural hazard
摘要: Forests can play a significant role in protection against natural hazards and risks mountain areas. To maintain the protective function, an adapted silviculture must be applied to these forests. Due financial restrictions affecting this management, it is important map forests define priority areas for forest silvicultural interventions. Geographic Information Systems (GIS) are very useful geospatial data analysis spatial modeling. Several geographic data, such as Digital Elevation Model (DEM) or coverages built-up areas, roads forests, required localize with using GIS. Algorithms, implemented ArcInfo Workstation GRASS GIS have been developed potential release maximal runout envelop of avalanches rockfalls. A crossing allows determine concerned by each hazard. Then, socio-economic added into model levels. Priority codes express emergency actions. The final result all classified intervention zones.
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