Catastrophic floods such as those that southern Britain experienced
earlier this year are now more likely, owing to climate change caused by
greenhouse-gas emissions. Simulations presented last week at the annual
assembly of the European Geosciences Union in Vienna show that the risk
of extremely wet winters in the region has increased by about 25%
compared to the pre-industrial era.
Extreme rainfall events previously predicted to occur in Wales and
southern England once every 100 years, on average, should now be
expected once every 80 years, according to the simulations, which are
the preliminary results of a climate study by researchers at the
University of Oxford, UK.
The widespread
flooding that occurred in parts of England and Wales this winter came
along with the highest amount of winter rainfall ever recorded by the
Radcliffe Observatory at Oxford, which has kept precipitation records
for the past 250 years. The deluge fuelled ongoing public debate about
whether extreme weather and floods will become more frequent in a
warming world, and whether specific events can be linked to climate
change.
http://www.nature.com/news/climate-change-makes-extreme-weather-more-likely-to-hit-uk-1.15141
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