The likelihood of a river bursting its banks and flooding is determined by factors in the surrounding landscape, such as steepness of the river valley, the amount of vegetation and the prevailing rock-type.
The short-term impact of floods can be catastrophic, but they can have positive long-term effects as well - for example, boosting soil fertility.
Flood management techniques include river engineering, afforestation
and planning controls to restrict urban development on floodplains.
Causes of flooding
A flood occurs when a river bursts its banks and the…