A density surface of drainage bottlenecks across Dar es Salaam — the points where sediments, solid waste and plant roots hinder water from passing through the drainage system — so planners can assess where flood hazard is most likely.
A density surface of drainage bottlenecks across Dar es Salaam — the points where sediments, solid waste and plant roots hinder water from passing through the drainage system — so planners can assess where flood hazard is most likely.