Table 1 Environmental variables and data sources
Variable | Unit | Resolution | Time period | Source |
|---|---|---|---|---|
Elevation | Meters above sea level | 250 m | CGIAR Consortium for Spatial Information (CGIAR-CSI) [32] | |
Wealth index score | 250 m | 2016 | Demographic and Health Surveys (DHS) [34] | |
Silt | g/100 g | 250 m | 2008–2012 | International Soil Reference and Information Centre (ISRIC) [36] |
Sand | g/100 g | 250 m | 2008–2012 | International Soil Reference and Information Centre (ISRIC) [36] |
Clay | g/100 g | 250 m | 2008–2012 | International Soil Reference and Information Centre (ISRIC) [36] |
NDVI | 1 km | 1999–2017 | Copernicus Global Land Service[33] | |
Mean temperature | Degree Celsius | 1 km | 1970–2000 | WorldClim[29] |
Annual precipitation | mm | 1 km | 1970–2000 | WorldClim [29] |
Max temperature | Degree Celsius | 250 m | 1961–2005 | Gebrechorkos SH et al. [30] |
Min temperature | Degree Celsius | 250 m | 1961–2005 | Gebrechorkos SH et al. [30] |
Mean precipitation | mm | 250 m | 1961–2005 | Gebrechorkos SH et al. [30] |