{"id":218120,"date":"2019-06-09T21:27:51","date_gmt":"2019-06-10T01:27:51","guid":{"rendered":"https:\/\/canadianinquirer.net\/v1\/?p=218120"},"modified":"2019-06-09T21:27:51","modified_gmt":"2019-06-10T01:27:51","slug":"climate-change-in-action-scientist-says-fires-in-alberta-linked-to-climate-change","status":"publish","type":"post","link":"https:\/\/canadianinquirer.net\/v1\/2019\/06\/09\/climate-change-in-action-scientist-says-fires-in-alberta-linked-to-climate-change\/","title":{"rendered":"‘Climate change in action:’ Scientist says fires in Alberta linked to climate change"},"content":{"rendered":"
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FILE: The Chuckegg Creek wildfire (HWF-042) is burning out of control in the High Level Forest Area, to the southwest and west of the town of High Level. The wildfire has been very active today and has crossed Highway 58 approximately 20 kilometres west of the town. (Photo<\/a>: @AlbertaWildfire\/Twitter<\/a>)<\/figcaption><\/figure>\n

EDMONTON \u2014 In May 2016, a wildfire near Fort McMurray forced more than 80,000 people to flee the northern Alberta city, destroyed 2,400 buildings and burned nearly 6,000 square kilometres of forest.<\/p>\n

A year later, the fire season in British Columbia broke records as 2,117 blazes consumed more than 12,000 square kilometres of bush.<\/p>\n

Both have been connected to climate change in two separate research papers published earlier this year by scientists with Environment and Climate Change Canada.<\/p>\n

As another extreme fire season starts with more people on the run, scientists say they are already seeing signs that climate change is playing a role again.<\/p>\n

\u201cWe are seeing climate change in action,\u201d says University of Alberta wildland fire Prof. Mike Flannigan.<\/p>\n

\u201cThe Fort McMurray fire was 1 1\/2 to six times more likely because of climate change. The 2017 record-breaking B.C. fire season was seven to 11 times more likely because of climate change.\u201d<\/p>\n

The largest community evacuated in Alberta so far this year has been High Level. The vast Chuckegg Creek fire still churns in the woods south of town. It grew to 2,660 square kilometres in the first few weeks and remains one of several blazes currently burning out-of-control in the province.<\/p>\n

Alberta Premier Jason Kenney has repeatedly said the cause of the fires is complex.<\/p>\n

\u201cI accept the science on anthropogenic climate change,\u201d he said at a news conference last month. \u201cBut, in this particular instance, I can tell you we are on the five-year average for forest fires in Alberta.<\/p>\n

\u201cThe large one right now is happening in an area where there has not been a fire for 80 years and so, regardless of other factors, it was due eventually for a large wildfire.\u201d<\/p>\n

Kenney’s comments aren’t wrong, but fire scientists say they don’t tell the whole story.<\/p>\n

\u201cNorthern Alberta is covered by the boreal forest,\u201d says Flannigan. \u201cThe boreal forest burns. It survives and thrives in a regime of semi-regular stand-replacing, stand-renewing high-intensity fire.\u201d<\/p>\n

It takes time for scientists to research and connect individual events to climate change, but Flannigan says it has become a major factor in Canadian fire seasons.<\/p>\n

\u201cWe burn about 2.5 million hectares a year on average \u2014 that’s using about a 10-year average,\u201d he says. \u201cIt’s more than doubled since the late ’60s and early ’70s.<\/p>\n

\u201cColleagues and I attribute this to human-caused climate change. I can’t be any more clear than that.\u201d<\/p>\n

Most fire experts use a 10-year average for comparisons but, even using a five-year model, the number of fires in Alberta so far this year is already closing in on that number.<\/p>\n

Alberta Wildfire data shows that, as of Friday, there were 569 wildfires in the province. The five-year average is 616. But they have already burned nearly 6,692 square kilometres, much higher than the five-year average of 1,387 square kilometres.<\/p>\n

\u201cThere’s been a lot of research that’s shown as we warm, we get more fire,\u201d says Flannigan.<\/p>\n

He says there are three reasons: longer fire seasons; drier fuels and more lightning, which research has shown is increasing by 10 to 12 per cent with every degree of warming.<\/p>\n

\u201cIncreasing temperatures, like those observed across Canada, will lead to drier fuels, and thus increased fire potential, as well as longer fire seasons,\u201d says a federal report that looked into the Fort McMurray fire.<\/p>\n

\u201cThe study demonstrated that the extreme Alberta wildfire of 2016 occurred in a world where anthropogenic warming has increased fire risk, fire spread potential, and the length of fire seasons across parts of Alberta and Saskatchewan.\u201d<\/p>\n

A study by federal scientists into British Columbia’s 2017 wildfire season found the area burned was seven to 11 times larger than it would have been without human influences on the climate.<\/p>\n

Extreme high temperatures combined with dry conditions increased the likelihood of wildfire ignition and spread, the report says.<\/p>\n

There’s already one sign that climate change is playing a role on the Chuckegg Creek fire near High Level, says Flannigan.<\/p>\n

\u201cGetting May fires up there is really early for that part of the province,\u201d he says, explaining the area would normally start seeing fires in July. \u201cSame with the Fort McMurray fire \u2014 that fire started May 1.<\/p>\n

\u201cThe 2017 fire season in British Columbia \u2014 their busiest month is August \u2014 it started July 7 and that was really, really early for extreme fire weather for them.\u201d<\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

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