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Providing coverage of Alaska and northern Canada's oil and gas industry
June 2009

Vol. 14, No. 23 Week of June 07, 2009

Redoubt Volcano vents carbon dioxide

With so much world attention on human-generated carbon dioxide emissions, it’s easy to forget that carbon dioxide also comes from natural sources.

For example, Redoubt Volcano on the west side of Alaska’s Cook Inlet is spewing carbon dioxide into the atmosphere during its current eruption. According to data from the Alaska Volcano Observatory, the volcano emitted about 15,000 tonnes of carbon dioxide per day during May. If extrapolated to a possible eruption duration of nine months, that rate of emission would result in total emissions of 4 million tonnes, an amount that comes close to 10 percent of Alaska’s total annual emissions of human-generated carbon dioxide, Diane Shellenbaum, a petroleum geophysicist with Alaska’s Division of Oil and Gas, told Petroleum News.

—Alan Bailey






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