Causes and Effects of Floods

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What are the main causes of floods?
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Floods are mainly caused by heavy rain, storm surges, rapid melting of snow, and dam failures.
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How does deforestation contribute to flooding?
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Deforestation reduces the ability of the land to absorb water, increasing surface runoff and the risk of floods.
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What is a flash flood and how does it differ from other floods?
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A flash flood is a rapid flood with little or no warning, typically caused by intense rainfall over a short period.
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What are some immediate effects of floods?
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Immediate effects include loss of life, damage to property, and disruption of transportation and communications.
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What is meant by ‘floodplain’ and its significance?
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A floodplain is the area adjacent to a river or stream that is prone to flooding. Understanding it helps in planning and flood management.
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How does urbanization impact flooding?
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Urbanization increases impermeable surfaces, reducing natural drainage and increasing the likelihood of floods.
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What measures can be taken to prevent floods?
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Measures include building levees, dams, proper drainage systems, and reforestation.
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What are the long-term environmental effects of flooding?
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Long-term effects include soil erosion, loss of soil fertility, and habitat destruction.
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How can floods impact the health of a community?
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Floods can lead to waterborne diseases, lack of clean water, and disruption of healthcare services.
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What role does climate change play in flooding?
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Climate change can increase rainfall intensity, rise in sea levels, and change storm patterns, amplifying flood risks.
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How do wetlands help in flood control?
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Wetlands absorb excess water during floods, acting as natural buffers and reducing flood impact.
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Why is floodplain zoning important?
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Floodplain zoning restricts development in flood-prone areas, reducing potential damage and maintaining safety.
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What is the economic impact of floods on a community?
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Floods can lead to significant economic losses due to damage to property, infrastructure, and disruption of business activities.
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How do governments prepare for flooding events?
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Governments prepare by planning, creating early warning systems, building infrastructure, and conducting emergency drills.
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What is the difference between a levee and a dam?
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A dam stores water to control flow, often creating a reservoir, while a levee is a barrier built to prevent floodwaters from entering a specific area.
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