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Water Cycle & Flooding Key Takeaways
Expected time required: 1 min
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.