Methane: Consequence and Accelerant for Abrupt Climate Change

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Methane: Consequence and Accelerant for Abrupt Climate Change // Jul 15, 2018

Abrupt climate change, specifically Arctic Temperature Amplification is rapidly taking us on a collision course to an ice-free Arctic, and is threatening to turn vast stores of carbon in thawing permafrost and sea-floor sediments into methane and carbon dioxide, further increasing warming in a vicious cascade of feedback loops.

In this ongoing series on methane, I discuss details of methane release on land, under the oceans, and chat about how it changes climate. Natural sources are emitting more methane with warming.
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Questions Galore on Arctic Methane // Jul 14, 2018

How much methane is being produced in the Arctic?

  • What exact regions are producing it? Where are we measuring it, and how?
  • How does the concentration change on an hourly basis? Daily? Weekly, monthly, seasonally and yearly?
  • How much climate warming is it causing, locally, regionally and globally?
  • What are the ways that methane is removed from the atmosphere? Can we increase these, and how do they vary with latitude?

We have many more important questions, and not so many answers.

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Arctic Methane and Abrupt Climate Change // July 12, 2018

As Abrupt Climate Change continues it’s accelerating nonlinearity, feedbacks cascade into more feedbacks. A huge wildcard continues to be methane release from the Arctic as we approach and pass beyond a “blue Arctic” event with zero sea-ice.

When there is no ice in the Arctic Ocean to keep temperatures near the freezing point, latent heat processes cease and temperatures of the sea and air skyrocket upward exposing huge methane risks. We really need to understand what will happen with an Arctic barren of sea-ice.
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About paulbeckwith

Well known climate science educator; Part-time Geography professor (climatology, oceanography, environmental issues), University of Ottawa. Physicist. Engineer. Master's Degree in Science in Laser Optics, Bachelors of Engineering, in Engineering Physics. Won Association of Professional Engineers of Ontario gold medal. Also interested in investment and start-ups in climate solutions, renewable energy and energy efficiency. Avid chess player, and likes restoring old homes. Married with children.
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