Table 2 List of GIS data used for the suitability analysis of Iran’s land for crop production.
Data | Source |
|---|---|
Land cover | |
Excluded areas | |
Inland water bodies | GlobCover 200948 |
Forests and natural pastures | GlobCover 200948 |
Protected areas | The World Database on Protected Areas (WDPA)53 |
Urban areas | GlobCover 200948 |
Cultivated areas | GlobCover 200948 |
Soil properties | |
pH (H2O) | SoilGrids32 |
Cation Exchange Capacity, CEC (cmolc/kg) | SoilGrids32 |
Organic carbon, OC (%) | SoilGrids32 |
Coarse fragments (%) | SoilGrids32 |
Texture* | Derived from SoilGrids32 |
Calcium carbonate, CaCO3 (%) | The Global Soil Dataset for Earth System Modeling54 |
Gypsum (%) | The Global Soil Dataset for Earth System Modeling54 |
Base saturation, BS (%) | The Global Soil Dataset for Earth System Modeling54 |
Electrical conductivity, EC (dS/m) | The Global Soil Dataset for Earth System Modeling54 |
Exchangeable Sodium Percentage, ESP (%) | The Global Soil Dataset for Earth System Modeling54 |
Available Water Content, AWC (mm/m) | The Global Soil Dataset for Earth System Modeling54 |
Topography | |
Elevation (m) | NASA LP DAAC55 |
Slope (%) | Derived from the elevation data (DEM55) |
Climate | |
Mean annual precipitation (mm) | WorldClim version 160 |
Potential evpotranspiration, PET (mm) | CGIAR-CSI Global-Aridity and Global-PET Database56 |
Aridity (mm) | |
