災難性的加拿大野火是未來破壞的預兆

更少的雪和更溫暖的春天意味著更多英畝土地被燒燬

FORT MCMURRAY, AB - MAY 05, 2016: 司機等待許可將消防物資運進城,地點位於艾伯塔省麥克默裡堡外,時間為2016年5月5日。野火仍在失控地燃燒,已迫使超過80,000名居民從該鎮撤離。

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這場強烈的野火迫使數千人從艾伯塔省麥克默裡堡及其周邊地區撤離,在野火季節初期就來臨,並由炎熱、多風的天氣助長。科學家表示,在美國西部和加拿大,大型火災將在一年中越來越早地被點燃,因為在溫暖的冬季,積雪持續減少,或者在溫暖的春季,積雪更快地乾涸,導致地表一年中更多周的時間都處於乾燥狀態。在美國西部,平均氣溫升高1攝氏度可能會使某些地區的年度燒燬面積增加高達600%。詳情請參見下圖。

來源:University of Washington; U.S. Forest Service
圖形作者:Bryan Christie

該地圖首次釋出於網上,時間為2011年5月17日。

Mark Fischetti has been a senior editor at 大眾科學 for 17 years and has covered sustainability issues, including climate, weather, environment, energy, food, water, biodiversity, population, and more. He assigns and edits feature articles, commentaries and news by journalists and scientists and also writes in those formats. He edits History, the magazine's department looking at science advances throughout time. He was founding managing editor of two spinoff magazines: 大眾科學 Mind and 大眾科學 Earth 3.0. His 2001 freelance article for the magazine, "Drowning New Orleans," predicted the widespread disaster that a storm like Hurricane Katrina would impose on the city. His video What Happens to Your Body after You Die?, has more than 12 million views on YouTube. Fischetti has written freelance articles for the New York Times, Sports Illustrated, Smithsonian, Technology Review, Fast Company, and many others. He co-authored the book Weaving the Web with Tim Berners-Lee, inventor of the World Wide Web, which tells the real story of how the Web was created. He also co-authored The New Killer Diseases with microbiologist Elinor Levy. Fischetti is a former managing editor of IEEE Spectrum Magazine and of Family Business Magazine. He has a physics degree and has twice served as the Attaway Fellow in Civic Culture at Centenary College of Louisiana, which awarded him an honorary doctorate. In 2021 he received the American Geophysical Union's Robert C. Cowen Award for Sustained Achievement in Science Journalism, which celebrates a career of outstanding reporting on the Earth and space sciences. He has appeared on NBC's Meet the Press, CNN, the History Channel, NPR News and many news radio stations. Follow Fischetti on X (formerly Twitter) @markfischetti

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