Massive flooding in Europe: is it climate change?

A photo shared by the Cologne district government on Twitter

Today we will figure out how even short-term rain-induced flooding can harm plant development.

Stagnant water = poor soil performance

  • Oxygen is one of the most crucial factors in crop development. Temporary flooding results in reduced soil aeration or even block access to oxygen, so water excess is always about plant stress.
  • Water excess also increases the concentration of ethanol and hydrogen sulfide in flooded soils which is devastating for the roots.
  • Soil organic matter, which is also beneficial to soils, slows down decomposition rates when flooded due to soil erosion.
  • Topsoils, which are responsible for the better half of plant nutrients, also are most likely to be washed away.
  • Flooded soils also led to an increase in the pH of acidic soils and a decrease in the pH of alkaline soils.

Massive floods in the context of global climate change

On average, floods cause more than $40B in worldwide damage per year.

Sure, we have no power towards the forces of nature, but there is no doubt that the number of losses can be decreased with the appropriate approach to the problem.

Unfortunately, we can’t stop climate change in a blink, but we could definitely slow it down.



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