Author Topic: IPCC Fourth Assessment Report (This is about climatechange, dummies)  (Read 1342 times)

Reginald Ret

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So i got a link to the Contribution of Working Group I to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change


And have been reading the summary for policy makers.
now i could make this one huge post where i copy everything said in the report and say 'i agree' to almost everything but I've decided to keep things simple.
We are fucked, we are very very fucked.


CO2 and methane emissions lead to global warming(methane breaks down to H2O an CO2 in the atmosphere).
Quote
Warming tends to reduce land and ocean uptake of
atmospheric carbon dioxide, increasing the fraction of
anthropogenic emissions that remains in the atmosphere.
Positive feedback bitches, guess what that means.
Oh and i picked up somewhere that if the temperature of the top layer of the ocean gets to 10oC it stops mixing with the lower water wich means there will be no new nutrients in the top layer. this means that the top layer of that bit of ocean becomes devoid of life and that means the same for all the lower ocean bits, cause nutrients go from top to bottom in most of the ocean.
ergo after a certain temperature has been reached the ocean will stop pumping carbon down out of the atmosphere.
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Re: IPCC Fourth Assessment Report (This is about climatechange, dummies)
« Reply #1 on: December 17, 2009, 11:11:22 pm »
Um, I'm sure you mean 10C hotter?  The ocean is a bit warmer than 10 C now.  That can't be right either though, the Cretaceous is believed to have hit global average temperatures of 27-29C (about 14-16 C hotter than it was in 2008).
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Re: IPCC Fourth Assessment Report (This is about climatechange, dummies)
« Reply #2 on: December 17, 2009, 11:31:36 pm »
:(
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