Question

write a short note on how drought and floods are caused as a scrab book page

Answer 1

Localized flooding may be caused or exacerbated by drainage obstructions such as landslides, ice, debris, or beaver dams. Slow-rising floods most commonly occur in large rivers with large catchment areas. The increase in flow may be the result of sustained rainfall, rapid snow melt, monsoons, or tropical cyclones.

Answer 2

Causes of floods:

• Continuous and heavy rainfall.
• Dams can be broken.
• The rivers can overflow.
• The design of drainage system.
• Natural disasters like tsunami.
• Global warming which results in the melting of ice and snow.

Causes of drought:

• High temperature which results in more evaporation of water.
• No rainfall weather for a long time.
• Supply and demand issue.
• No proper conservation of water.
• Reduce in the ground water level.
• Global warming.

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