The structure of rainfall changes – it rains less often and more intensively, therefore we tend to experience flooding and drought – alternately. We also contribute to faster runoff of rainwater to rivers. How? By sealing large surfaces of land we deprive the soil of bio-retention. The soil does not absorb rainwater which flows into city drains, ditches and rivers. Even one sudden rainfall can result in extensive flooding.
So how to slow down the outflow of rainwater? It is enough to take care of biologically active areas on your plot, as well as catching rainwater – from barrels located near the gutters, to underground tanks or drainage boxes.
You can read about the effects of land over-sealing
About ways to maintain rainwater and biologically active areas
Karol Wójcicki, Ambassador to Stop the Flood, tells more about the causes of inundation and floods in the video “Where is the flood from?” Welcome!