Flooding is worsening with climate change and urban growth. Learn what causes floods, their impacts, and how to build resilience.
Water Cycle & Flooding Key Takeaways
Key Takeaways:
The water cycle is imperative to understanding where flooding originates from and the natural cycle to which it belongs to.
Runoff and poor infiltration are major contributors to flooding, especially in urban areas with impervious surfaces like concrete.
Intense or prolonged precipitation can overwhelm the ground’s natural capacity to absorb water, leading to surface flooding in low-lying areas or along riverbanks.
Urbanization and climate change exacerbate flooding risks by reducing natural water absorption and increasing runoff from hard surfaces.
Poor drainage, inadequate flood control, and excessive groundwater extraction leading to subsidence exacerbate flooding by creating water-trapping basins, damaging infrastructure, and increasing runoff.