Table 1.
Summary of variables used in BRT model to estimate PfPR2–10 risk
| Variable | Source | Data source spatial resolution |
|---|---|---|
| Land cover classes (C1–C13) | SPOT satellite imagea | 1.5 m |
| Percentage dense/riverine vegetation | SPOT satellite imagea | 1.5 m |
| Percentage built-up | SPOT satellite imagea | 1.5 m |
| Distance to inland water (m) | SPOT satellite imagea and GLWDb | 1.5 m |
| – | ||
| NDVI | SPOT satellite imagea | 1.5 m |
| NDWI | SPOT satellite imagea | 1.5 m |
| Altitude | ASTER GDEMc | 30 m |
| Wetness Index (CTI) | ASTER GDEMc | 30 m |
| Temperature | MODIS LSTd | 1 km |
| Rainfall | RFE 2.0e | 1 km |
All variables except distance to water were extracted within 1 km radius
Data sources: a SPOT imagery; complete section on SPOT data
bGlobal Lakes and Wetlands Database. www.worldwildlife.org/GLWD
c http://www.jspacesystems.or.jp/ersdac/GDEM/E/index.html
d https://lpdaac.usgs.gov/dataset_discovery/modis/modis_products_table/mod11a1