A 2.5-minute grid provides a global relative estimate of landslide mortality risks, classified into 10 deciles. The dataset was produced by the Columbia University Center for Hazards and Risk Research, the World Bank, and CIESIN. It is based on hazard frequency data and mortality records from the 20-year period between 1981 and 2000.
Use Cases
- Model population vulnerability by overlaying the mortality risk decile grid with population density data.
- Analyze regional risk patterns using the classified decile values for landslide mortality.
- Validate landslide hazard models by comparing the underlying frequency and distribution data with new event catalogs.
Strengths
- Global spatial coverage at a 2.5-minute grid cell resolution.
- Risk estimates derived from 20 years of mortality records (1981-2000).
- Output classified into 10 deciles to reflect confidence in the estimates.
Limitations
- Underlying population and hazard data is from circa 2000, making the risk estimates temporally stale.
- Mortality estimates are relative (deciles) rather than absolute counts or probabilities.
- Relies on the completeness and accuracy of the EM-DAT emergency events database for the source period.
Provenance
- Source
- Columbia University Center for Hazards and Risk Research (CHRR), World Bank, Columbia University CIESIN.
- Collection Method
- Mortality risks estimated by combining GPWv3 population data, landslide hazard distribution data, and regional mortality records from EM-DAT (1981-2000). Results classified into deciles.
- Time Range
- 1981-2000
- Freshness
- Data reflects conditions up to the year 2000.
- Geography
- Global