Floods Flashcards
How do environmental things cause floods?
-Tsunamis and storms flood coastal lines
-If animals eat all the grass it causes the rainfall water to flow too quickly into rivers
-Long periods of heavy rain fill up dams and rivers causing floods
-Steep slopes cause the rainfall water to flow off the land too quickly
How do humans cause floods?
-Farmers remove natural vegetation causing rainfall water to flow off the land too quickly
-In cities, water flows off streets and buildings too quickly
-Dams are built which can fill up and flood places.
-People remove wetlands which act as natural water stores
How can we reduce the impact of floods?
-Build walls along river banks
-Build settlements away from river banks
-Improve drainage systems in cities so that water can flow away quicker
-Make it illegal for people to settle in high-risk flood areas
-Teach people about the dangers of flooding