Which flood mitigation technique helps in managing stormwater runoff?

Utilizing green roofs and permeable pavements is an effective flood mitigation technique because these solutions allow for water infiltration and absorption. Green roofs are designed with vegetation that can absorb rainfall, reducing the volume of runoff that reaches the ground. This not only helps manage stormwater but also improves insulation and provides habitat. Permeable pavements are materials that allow water to flow through them, reducing surface runoff and allowing for groundwater recharge.

The integration of these techniques helps in managing stormwater runoff by promoting natural water management processes, minimizing flooding, and reducing the burden on stormwater infrastructure. This approach contrasts with traditional methods, which can exacerbate runoff issues during heavy rains.