A Quebec flag in the back yard of a flooded home in Saint-Blais-Sur-Richelieu, 60 kilometres south-east of Montreal on Monday, May 16, 2011. Consistent rains have once again increased the water levels of the Richelieu river in southern Quebec.
Photograph by: Dario Ayala/THE GAZETTE
Quebec on the verge of catastrophic climate change, experts say, William Marsden via The Montreal Gazette
Record floods, melting permafrost, shoreline erosion and intense winds caused havoc for thousands of Quebecers as 2011 proved to be yet another year of higher than normal temperatures.
These higher temperatures add to the credibility of climate models that have predicted the march of global warming will accelerate the more greenhouse gases we pump into the atmosphere, scientists say.
“It is striking that over the last 10 to 15 years we didn’t have a single season colder than normal,” said Alain Bourque, director of climate change impacts and adaptation at Quebec’s climate change research institute Ouranos. “That is a clear indication that Canada’s climate is heating up beyond any reasonable doubt.”
While most Quebecers may cheer the warmer winters, Bourque warns it is already endangering coastlines, the northern communities that are built on permafrost and our forests, which probably will not be able to adapt fast enough to a warmer climate.
He said warmer temperatures for pretty well all seasons indicate Quebec is well on its way to meeting the climate-model predictions that we are fast closing in on the 2C mark many scientists claim is the tipping point that will plunge the globe into catastrophic climate change.
The models indicate mean temperatures in the southern half of Quebec will be 2C to 3C higher than normal by 2020. In northern Quebec, the warming will be even higher. And at the present rate of warming as tracked since 1948, we are on track to be well over 4C by 2050 and as high as 7C to 9C by 2080.
“We are halfway along this timeline and are well on our way to achieving what the model says we will achieve in 2020,” Bourque said. “So for the experts such as me who study the impact of climate change, essentially everything is happening as predicted.”
According to Environment Canada, spring temperatures in the Great Lakes and St. Lawrence River region, which includes Montreal and Quebec City, were 54 per cent higher than normal. This is the highest percentage deviation from the norm recorded since 1948.
Montreal temperatures in October, November and December were well above normal. Temperatures for the first two weeks of December were on average 3.8C above normal. Not a single daily maximum fell below zero despite the fact the normal maximum daily for this time of year in Montreal is below freezing, according to Environment Canada.
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