4.8 Flashcards
Why is flood risks going up?
This is sue to everything to deforestation to urbanisation due to how different things can effect how much water can be stored and how fast something can go.
Soft engineering
Normally cheaper to hard engineering and it does not require a lot of machinery just a few people to work on it.
Hard engineering
Needs a lot of money and machinery due to it being more about walls and harder things to build and to stop the water and flooding.
Sea wall
Hard engineering and will cost a lot of money to build.
Man made levees
Hard engineering where they make walls from the soil around the area to keep water in the river course.
Dredging
Hard engineering and will cost a lot due to all of the machinery needed to move the soil to the top and then makes the river deeper.