| DEMSA2 L1 | Digital Elevation Model of South Africa ~Unedited / Raw |
| DEMSA2 L2 | Digital Surface Model of South Africa ~Curated / polished |
| DEMSA2 L2 | Digital Terrain Model of South Africa ~Curated |
| Flood Hazard Index (FHI) derived from DEMSA2 | Relative Flood Harazrd Index Based on Where Water would pool as a result of the underlying Terrain |
| Height Above Nearest Drainage (HAND) | Height (meters) of each pixel with respect to the nearest stream that it drains to |
| SAGA Derivatives | Explore the 13 available SAGA products below, which offer comprehensive spatial analyses. |
| SUDEM5 | Stellenbosch University Digital Surface Model based on SRTM |
| Topographic Wetness Index | Topographic Wetness Index (TWI) quantifies the potential for water accumulation in a landscape based on the terrain's slope and the amount of upstream contributing area, indicating areas likely to be wetter or drier. |
| Slope Percentage | Slope percentage represents the steepness of terrain, calculated as the vertical rise over the horizontal run, expressed as a percentage. |
| Flow Accumulation | Flow accumulation represents the total number of upstream cells or area contributing water flow to a specific point in a landscape, indicating potential water accumulation areas. |
| Flood Hazard Index (FHI) derived from SUDEM5 | Relative Flood Harazrd Index Based on Where Water would pool as a result of the underlying Terrain |
| Height Above Nearest Drainage (HAND) | Height (meters) of each pixel with respect to the nearest stream that it drains to |
| Rivers - Perenial | Euclidean distance to the nearest perenial river based on the classification of rivers from the National Land Cover Classification |
| Rivers - nonPerennial | Euclidean distance to the nearest non-perenial river based on the classification of rivers from the National Land Cover Classification |
| Natural Wb | Euclidean distance to the nearest located natural body of water based on the classification of rivers from the National Land Cover Classification |
| Artificial Wb | Euclidean distance to the nearest located artificial body of water based on the classification of rivers from the National Land Cover Classification |
| Wetlands | Euclidean distance to the nearest wetland based on the classification of rivers from the National Land Cover Classification |
| Nearest_Drainage | Euclidean distance to the nearest drainage stream based on the classification of rivers from the National land cover calssification |
| Oceans | Euclidean distance to the nearest drainage stream based on the classification of rivers from the National Land Cover Classification |
| Land Capability | the most intensive long-term use of land for rainfed farming, determined by the interaction of soil, climate, and terrain factors, with updated spatial data providing a more detailed and precise classification |
| Soil Capability | Classification of land based on soil quality, fertility, and its suitability for agricultural purposes, guiding effective land management and crop production practices. |
| Grazing Capability | Grazing capability refers to the ability of land to sustain livestock grazing, determined by factors such as soil fertility, vegetation quality, and terrain. It assesses how well an area can support and maintain grazing animals over time, considering aspects like forage production and land degradation. |
| Terrain Capability | Terrain capability assesses the suitability of land for various uses based on factors like moisture accumulation, photosynthesis, and terrain sensitivity, influencing plant growth and land accessibility |
| Climate Capability | Climate capability is the assessment of an area's ability to support specific crops or land uses based on its climatic conditions, including temperature, precipitation, and seasonal patterns. |
| Irrigation Suitability | The Irrigation Suitability layer, as defined by the Department of Agriculture, Forestry and Fisheries for South Africa, categorizes land into classes ranging from "Unsuitable" to "Excellent" based on soil properties, water table depth, and slopes, to assess its potential for effective irrigation. |
| Regional_Farm Names | The Regional Farms Names layer, defined by the South African Department of Agriculture, Forestry, and Fisheries, provides a raster dataset identifying and naming farms across regions to aid in agricultural planning and management. |
| Soil Potential | Soil potential evaluates the soil's potential to support agricultural activities by assessing its ability to hold and supply moisture, its sensitivity to land use, and its fertility, resulting in a detailed raster data set representing soil conditions from low to high capability across South Africa. |
| Majority Soil type | The Majority Soil Type layer represents the predominant soil classification across a given area, derived from comprehensive spatial modeling and evaluation processes, to provide insights into the dominant soil characteristics influencing land capability and suitability. |
| SRTM - southern Africa 90m | The SRTM 90m DSM (Digital Surface Model) offers elevation data at a 90-meter resolution, depicting the Earth's surface with both natural and built features, and is used for applications like topographic analysis, hydrological modeling, and geographic research. |
| ALOS DSM 30m | The ALOS 30m DSM (Digital Surface Model) provides detailed elevation data at a 30-meter resolution, representing the Earth's surface including natural and man-made features, used for various applications such as terrain analysis, flood modeling, and landscape planning. |
| ALOS DSM 30m-SAGA | Explore the 13 available SAGA products derived from the ALOS DSM, which offer comprehensive spatial analyses |
| SRTM30 SA dem | Discover the SRTM30, a Digital Elevation Model (DEM) offering 30-meter resolution elevation data, providing detailed insights into the Earth's surface. |
| SRTM30 SA hillshade | Hillshade is a cartographic technique that simulates the appearance of terrain under specific lighting conditions, using elevation data to create a shaded relief map that highlights the surface's topography and enhances visual interpretation of landforms. |
| SRTM30 SA Relief | Relief refers to the variation in elevation and terrain features on the Earth's surface, represented in a map or model to show the differences in height and depth, creating a visual impression of the landscape's topographic complexity. |
| SRTM30_SA- Hand | Height (meters) of each pixel with respect to the nearest stream that it drains to |
| National Veg & Biome Cover | The 2018 National Vegetation Map provides detailed information on vegetation cover across South Africa, supporting ecosystem monitoring, biodiversity assessments, and environmental mapping. |
| SANLC - Land Cover Class | Only retains certain land cover types, including built-up areas, towns, cultivated lands, mines, and grazing lands, based on the National Land Cover Classification |
| Municipal Districts/wards | A dataset providing the boundaries of municipal districts and wards across South Africa, crucial for local governance, land management, and regional planning. |
| Formal Protected Areas | Represents formally protected areas across South Africa, designated for wildlife conservation, biodiversity preservation, and habitat protection. |
| Informal Protected Areas | Areas of informal protection where local or community-based efforts aim to preserve ecosystems, safeguard biodiversity, and manage land use sustainably. |
| Surface Ground Water (%) | A 38-year water coverage layer providing insights into surface water dynamics, flood-prone areas, and changes in water bodies, aiding in hydrological and environmental assessments. |
| Road networks | Provides detailed data on road networks, including municipal roads, to support transportation planning, infrastructure development, and connectivity analysis. |
| SG - Info | A dataset containing cadastral information, including land parcels and property boundaries, as provided by the Surveyor General, used for legal mapping, land management, and property registration. |
| Soil Erodibility Factor | Soil erodibility is a measure of a soil's susceptibility to erosion, determined by its texture, structure, and organic content, as well as its capacity to resist being detached and transported by erosive forces such as water or wind. |
| Soil Drainage Rate | Drainage rate measures how quickly excess water is removed from soil per day. Sandy soils drain faster (about 0.60/day) due to their coarse texture, while clay soils drain slower (0.25 to 0.30/day) because of their finer texture and higher water retention. |
| Seasonal- Vapour Pressure | Estimated Actual vapor pressure is the partial pressure exerted by water vapor in the atmosphere, reflecting atmospheric moisture content and typically averaged over seasonal windows or on a monthly scale |
| Seasonal- Solar Radiation |
Solar radiation is the energy emitted by the sun, consisting of electromagnetic waves across a spectrum of wavelengths, and is crucial for driving atmospheric processes, photosynthesis, and evaporation on Earth. |
| Seasonal- Relative Humidity | Relative humidity is the ratio of actual water vapor pressure to the maximum possible vapor pressure at a given temperature, expressed as a percentage and typically analyzed over seasonal windows to assess changes in atmospheric moisture. |
| Seasonal- Potential Evaporation | Potential evaporation is the maximum rate at which water can be evaporated into the atmosphere from a saturated surface, determined by factors such as air humidity, energy availability, and atmospheric turbulence. |
| StormFlow | Stormflow refers to the water generated from a specific rainfall event that flows into streams or rivers, influenced by the magnitude of the rainfall, the catchment's size and slope, and the pre-existing wetness of the catchment |
| Sediment Yield | the amount of sediment transported by water and deposited in a specific area, typically measured in tons per hectare per year, and is influenced by factors such as rainfall, soil erosion, and land management practices. |
