Quote:
Originally Posted by dre
From the article: "The researchers, mainly from Environment Canada, calculated emissions rates for four major oilsands surface mining operations using air samples collected in 2013 on 17 airplane flights over the area."
Could that give you an incorrect reading? Where were the sensors placed, behind the exhaust?
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What height did they fly? What operations were happening during those flights? When did they fly?
Why only 2013 (ie. during the height of the boom), and comparing to current day reports?