Rivers and floodingHydrographs

It is important to understand what causes flooding and what the effects can be. Flood prevention processes help to reduce damage and protect people in the event of a flood.

Part ofGeography (Environment and society)Rivers and Water

Hydrographs

A storm hydrograph is a graph to show how and when a rainfall event affects the discharge of a river.

Storm hygdrograph

The amount and intensity of the rainfall is not the only factor influencing the shape of the hydrograph. There are other influences:

Four hydrographs