Surface Water Modelling

Ensuring Reliable Water Supply

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Reliable projects depend on reliable water — and rainfall variability makes that hard to judge.

Bioresources Africa provides clear, quantified assessments of surface water reliability, replacing assumptions with defensible analysis.

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We build catchment-specific rainfall–runoff models, using decades of data to determine how often water will actually be available, not just when it looks good on paper. This turns uncertainty into measurable risk.

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We specialise in data-scarce regions north of South Africa, where conventional data sources are limited, costly, or unreliable. Our methods are designed to work where others struggle.

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Each model is custom-built and iterative, developed in close collaboration with clients. The result is clear, decision-ready outputs — including risk curves and supply-reliability charts that directly inform project sizing, phasing, and investment decisions.

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Where required, we integrate bias-corrected climate change projections to test future runoff scenarios and long-term water security.

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Know your water.
Manage your risk.
Build with confidence.