A methane scoping question
September 23, 2008 at 11:51 am | Posted in Climate change, Environment, Global warming | 5 CommentsTags: Arctic, Carbon dioxide, CH4, Climate change, CO2, Context, GHG emissions, Greenhouse gases, GWP, Melting, Methane, Permafrost
Can any climate scientist knowledgable on the significance of Arctic sub-sea methane release put today’s Independent Front Page ‘Exclusive: The methane time bomb‘ into context for me, please? It is a perspective on the scale of today’s news that would be good to have. Just because the intensity of release in certain areas is high and millions of tonnes of methane are being released, does not mean that this is as significant as implied by the article, nor that such releases have not already been catered for in model scenarios. Although, when I read on RealClimate Ray Ladbury’s comment dated 18 May 2008:
There is evidence for positive feedback that is not in the models (e.g. outgassing from thawing permafrost, oceans, etc.)
it makes me wonder how to begin to quantify today’s news (while acknowledging this information has been released in mainstream media before preliminary findings are published in AGU literature).
Here are a couple of quotes: Continue Reading A methane scoping question…
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