Climate change increased the likelihood of extreme rainfall such as the flooding events that hit western Germany last month, according to a study published on Tuesday.
Given current climate conditions, it can be expected that a region in Western Europe can be hit by such a devastating event about once every 400 years, an international team, which included scientists found out.
As mean temperatures continued to rise, extreme rain events became more frequent.
If temperatures were to rise by another 0.8 degrees Celsius, the frequency would increase to every 300 years and the intensity of the heavy rain would also increase, the scientists said.
The scientists looked at a region encompassing France, western Germany, the eastern part of Belgium, the Netherlands, Luxembourg and northern the North of Switzerland.
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The scientists asked how likely the entire area was to experience extreme heavy rain and to what extent this was influenced by rising temperatures around the world.
The likelihood of such disasters had increased by a factor of between 1.2 and 9 compared to the end of the 19th century, and the maximum amount rain was between three and 19 per cent greater.
“All available evidence taken together gives high confidence that human-induced climate change has increased the likelihood and intensity of such an event to occur and these changes will continue in a rapidly warming climate,’’ the authors wrote.
The study was carried out as part of the World Weather Attribution Initiative, which investigates the possible effects of climate change on extreme weather events.
(dpa/NAN)
