Annual runoff trend 2002–2022

The map shows annual runoff trend over 20 years, between 2002 and 2022. It is evident that runoff over central Europe – Germany, France, Austria, Czech Republic – is strongly decreasing, as one would expect given drought conditions over the last years. Runoff is also decreasing in parts of southern Europe, such as Spain and Greece. On the other hand, runoff is increasing in Denmark and northern Europe. But curiously, runoff is also increasing parts of southern Europe, including central Italy, Sardinia, Corsica and the in the Pyrenees.

Read full story: Runoff: not as you might think