Niger Delta Contamination Risk
Composite Risk Score · 1km² resolution
published by
Dickson O.D
—
people live in critical or high-risk cells
Layers
Risk grid
Hotspots
Spill incidents
Through
—
Sample points
Uncertainty (grid)
Risk tiers
Critical ≥ 0.75
High 0.50 – 0.74
Medium 0.25 – 0.49
Low < 0.25
Narrow CI (confident)
Moderate CI
Wide CI (uncertain)
Population exposure
WorldPop 2020, constrained
Model
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