Sheer Scale and High Density of the Plumes

Fotografia da Academia Russa de Ciências

Image of Russian Academy of Sciences via Wikipedia

For those who read this blog, this following story from The Independent is nothing new.

Dramatic and unprecedented plumes of methane – a greenhouse gas 20 times more potent than carbon dioxide – have been seen bubbling to the surface of the Arctic Ocean by scientists undertaking an extensive survey of the region.

The scale and volume of the methane release has astonished the head of the Russian research team who has been surveying the seabed of the East Siberian Arctic Shelf off northern Russia for nearly 20 years.

In an exclusive interview with The Independent, Igor Semiletov, of the Far Eastern branch of the Russian Academy of Sciences, said that he has never before witnessed the scale and force of the methane being released from beneath the Arctic seabed.

“Earlier we found torch-like structures like this but they were only tens of metres in diameter. This is the first time that we’ve found continuous, powerful and impressive seeping structures, more than 1,000 metres in diameter. It’s amazing,” Dr Semiletov said. “I was most impressed by the sheer scale and high density of the plumes. Over a relatively small area we found more than 100, but over a wider area there should be thousands of them.”

A previous hope has been to catalyze action to stop human pollution and destruction of life as we know it. Now this just another standard report on the start of the Anthropocene.

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2 Comments

  1. jcwinnie
    Posted 2011-12-16 at 6:04 pm | Permalink

    In a couple of posts last week — here and hereDavid Roberts “laid out the brutal logic implied by the latest climate science.”

    He then gave credit to scientist Kevin Anderson for stripping away the rosy assumptions hiding in many of today’s common climate scenarios.

    To sum up: a rise in temperature of 2 degrees C (3.6 degrees F) will be extremely dangerous; a rise of 4 degrees C (7.2 degrees F) or higher could threaten civilization; the only way to avoid 2 degrees C — or even 4 degrees C — is a massive crash program that will likely involve, for the rich, industrialized countries of the world, peaking emissions in 2015 and declining them 10 percent year-on-year after that. Alarming!

  2. jcwinnie
    Posted 2012-1-8 at 11:49 am | Permalink

    Much Ado about Methane

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