Journal article
Broad-scale spatial prediction of areas at risk from dryland salinity
Cartography, Vol.29(2), pp.33-40
2000
Abstract
This paper presents a method for predicting areas at risk from dryland salinity using information derived from multi-temporal Landsat Thematic Mapper satellite images combined with land form data derived from high-quality digital elevation models. The method aims to reproduce expert opinion about the future extent of salinity by using decision trees to determine the relationship between salinity risk and variables that describe various aspects of the landscape. Feature selection procedures are used to determine the optimal subset of variables for predicting risk areas. Preliminary studies were conducted in five subcatchments and the model was spatially extrapolated over 30 000 km2 to produce maps of those areas expected to become saline under current management practices.
Details
- Title
- Broad-scale spatial prediction of areas at risk from dryland salinity
- Authors/Creators
- F.H. Evans (Author/Creator)P.A. Caccetta (Author/Creator)
- Publication Details
- Cartography, Vol.29(2), pp.33-40
- Publisher
- Taylor & Francis
- Identifiers
- 991005540147507891
- Murdoch Affiliation
- Murdoch University
- Language
- English
- Resource Type
- Journal article
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