Empowering Agriculture

Field Planning & Terrain

• DEM (Digital Elevation Model) — ground heights for grading, drainage and machinery safety.
  Products:
  DEMSA2 L1 (2 m DEM),
  SUDEM5 (5 m DEM).
• DSM — elevation of ground + features (trees/buildings) for obstacle/harvesting planning.
  Products: DEMSA2 L2
• DTM — bare-earth terrain for contours & precise hydrology.
  Products: DEMSA2 L3
• Contours, Slope, Aspect, Curvature — cut/fill, row orientation, wind/sun exposure & erosion sensitivity.
  Products: DEM derivatives (DEMSA2/SUDEM)

Irrigation & Water

• HAND (Height Above Nearest Drainage) — relative height to stream network; flags wet zones & flood-susceptible lands.
  Products: HAND (from DEMSA2/SUDEM)
• FHI (Flood Hazard Index) — composite inundation susceptibility map for screening pivots & orchards.
  Products: FHI
• Flow Direction & Accumulation — drainage paths & upslope area for siting in-field drains and retention ponds.
  Products: Hydrology suite (DEM derivatives)
• Irrigation Suitability — multi-criteria suitability (slope, soils, water, climate) classed from Unsuitable → Excellent.
  Products: Irrigation Suitability
• Soil Drainage Rate (%) — daily drainage potential guiding crop choice & irrigation frequency.
  Products: Soil Drainage Rate
• Distance to Rivers/Waterbodies/Wetlands/Ocean/Nearest Drainage — buffers for protection & licensing.
  Products: Distance-to water layers

Soils & Land Capability

• Land Capability — best long-term rain-fed use (soil+terrain+climate) classed nationally.
  Products: Land Capability layer
• Soil Capability / Soil Potential — fertility, depth, texture/structure & moisture supply; crop options.
  Products: Soil Capability / Soil Potential
• Grazing & Terrain Capability — rangeland potential & access/terrain constraints.
  Products: Grazing Capability / Terrain Capability
• Climate Capability & Irrigation Suitability — photothermal & water regime fitness for crops.
  Products: Climate Capability / Irrigation Suitability
• Majority Soil Type & SA Geology — dominant soils and geology context for management & risk.
  Products: Majority Soil Type / SA Geology
• Relatively Homogeneous Farming Areas (RHFA) — zones with similar agro-conditions for planning & benchmarking.
  Products: RHFA layer

Land Use & Crop Context

• SANLC 2018 Land Cover — national 20 m classes (urban, agriculture, natural) for baselining & change.
  Products: SANLC 2018 Land Cover
• Vegetation & Biomes (SANBI) — ecosystem sensitivity at farm & landscape scales.
  Products: National Vegetation & Biome Map
• Protected & Conservation Areas (SAPAD/PACA) — no-go/low-impact zones & offsets.
  Products: Protected Areas (Formal/Informal).
• Admin & Access — Municipal districts/wards, road networks, survey grid for reporting & logistics.
  Products: Admin/Context packs

Erosion, Stormflow & Sediment

• Soil Erodibility (K-factor) — inherent susceptibility to erosion (USLE/RUSLE standard).
  Products: K-Factor layer
• Stormflow (mm) — event runoff reaching streams; drainage/retention design.
  Products: Stormflow layer
• Sediment Yield (t/ha) — annual sediment export risk guiding BMP placement & monitoring.
  Products: Sediment Yield layer
• Slope / TWI / Flow Accumulation — erosion hotspots, wetness & channel initiation.
  Products: DEM derivatives / TWI / Flow Accumulation