New research from Northeastern University has taken a new approach in regards to the study of the impact of climate change on extreme temperature variability.
The research team, led by Auroop Ganguly, a climate change expert and associate professor in Northeastern's Department of Civil and Environmental Engineering, found that the variability in temperature extremes is increasing globally.
The study used climate model simulations and reanalysis data sets to systematically analyze this aspect of climate change for the first time.
For instance, while each year’s average hottest and coldest temperatures will likely rise, those averages will also tend to fall within a wider range of potential high and low temperate extremes than are currently being observed. (from the NU report.)
Basically what this means is that despite the overall, long-term increase in average temperature, there will still continue to be extreme cold snaps (relative to normal).
“Just because you have a year that’s colder than the usual over the last decade isn’t a rejection of the global warming hypothesis,” said Evan Kodra PhD'14.
The researchers also speculate that ice melt in hotter years may cause colder subsequent winters. However, more research is needed to prove it.
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