New research indicates that there has been increased variability in yearly temperature records for large parts of Europe and North America over the past five decades. It's a different story though when taking into account the entire globe.
The study showed that regions of high temperature variability shifted to areas of high population in Europe and North America over the past 50 years.
"The movement of raised temperature variability to regions of high population may have contributed to the general perception that climate is becoming more volatile," according to lead author Dr. Chris Huntingford from the Centre for Ecology & Hydrology (UK).
However, the total temperature variability over the past five decades has been surprisingly stable when looking at the world as a whole, according to Huntingford.
The team also looked at future projections from a total of 17 climate model simulations. They found that most of the simulations predicted that overall temperature fluctuations will actually decrease toward the end of this century. The biggest reason for this would be major sea-ice loss due to the warmer climate.
Dr Huntingford added, "Our findings contradict the sometimes stated view that a warming world will automatically be one of more overall climatic variation."
Excerpts and story information courtesy of EurekAlert.
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