In the South African context, where water resources are scarce and highly vulnerable, a thorough understanding of the interaction between surface water and groundwater is critical. Historically, Environmental Impact Assessments (EIAs) have relied on separate hydrogeological, wetland, soil, and hydrological studies conducted by individual specialist teams. While these assessments provide valuable insights, they often do not fully investigate the key drivers that sustain connectivity and interaction between these systems.
This is where hydropedology plays a critical role. Whereas hydrogeological studies primarily focus on the saturated zone below the groundwater table, hydropedology investigates the unsaturated zone and the soils that regulate water movement between the land surface and groundwater systems. By examining soil properties, soil-water dynamics, and landscape controls, hydropedology bridges the gap between hydrogeology, wetland science, soil science, and hydrology, providing an integrated understanding of surface–subsurface water interactions.
LWRC has partnered with soils and wetland (ecological) specialists to cater for the following industries:
Agriculture
Focuses on soil properties and soil–water interactions that influence crop productivity, irrigation efficiency, drainage, and long-term soil health.
Mining
Emphasises wetland systems and surface–groundwater connectivity, while still recognising the critical role of soils in controlling seepage, recharge, and contaminant pathways.
Infrastructure Development
Supports route selection and design by assessing soil moisture regimes, groundwater interaction, and potential impacts on wetlands and drainage systems.
Water Resource Management
Improves understanding of recharge processes, catchment hydrology, and the role of soils in regulating surface and subsurface water movement.
Environmental Impact Assessments (EIAs)
Provides an integrated framework that links soils, wetlands, hydrogeology, and hydrology, strengthening impact assessment, mitigation planning, and regulatory decision-making.
