Mitigating Urban Flood Impact

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What are urban floods?
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Urban floods are inundations in city areas due to intense rainfall exceeding stormwater drainage capacity.
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Why are urban floods more common in cities?
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Cities have numerous impermeable surfaces, reducing water absorption and increasing surface runoff.
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How does climate change contribute to urban floods?
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Climate change increases rainfall intensity and frequency, raising the risk of flooding.
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What is stormwater management?
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Stormwater management involves controlling rainwater runoff through systems like drains and retention basins.
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How can green roofs help in flood mitigation?
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Green roofs absorb and store rainwater, reducing runoff.
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What role do permeable pavements play?
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Permeable pavements allow rainwater to seep through, reducing runoff and flooding.
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How do retention ponds mitigate flooding?
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Retention ponds hold excess stormwater and release it slowly.
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Why is public awareness important in flood mitigation?
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Informed citizens can take precautions to protect themselves and their property.
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What is the role of urban planners in managing floods?
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Urban planners design cities with infrastructure to prevent and manage flood risks.
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How do flood prediction systems help reduce flood impacts?
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They provide early warnings, allowing for timely evacuations and preparations.
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What is a floodplain?
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A floodplain is the area adjacent to a river or stream that floods naturally.
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How can nature-based solutions aid in flood mitigation?
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Nature-based solutions use natural processes to manage water and reduce floods.
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What is a flood barrier and how does it work?
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Flood barriers are structures that block water from entering certain areas.
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Why is inter-agency coordination important during urban floods?
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Coordination ensures effective disaster response and resource sharing.
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What is sustainable drainage system (SuDS)?
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SuDS manage rainwater using natural processes to mimic natural water handling.
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