20 Aug '11, 4am

大元まで遡って調べたい人は、直接IPCCの報告書を手繰ればいい。http://t.co/jkPPqnY Figure SPM-2 で分かり、論拠の論文まで辿れる。

大元まで遡って調べたい人は、直接IPCCの報告書を手繰ればいい。http://t.co/jkPPqnY Figure SPM-2 で分かり、論拠の論文まで辿れる。

^ Radiative forcing is a measure of the influence that a factor has in altering the balance of incoming and outgoing energy in the Earth-atmosphere system and is an index of the importance of the factor as a potential climate change mechanism. Positive forcing tends to warm the surface while negative forcing tends to cool it. In this report, radiative forcing values are for 2005 relative to pre-industrial conditions defined at 1750 and are expressed in watts per square metre (W m–2 ). See Glossary and Section 2.2 for further details. ^ ppm (parts per million) or ppb (parts per billion, 1 billion = 1,000 million) is the ratio of the number of greenhouse gas molecules to the total number of molecules of dry air. For example, 300 ppm means 300 molecules of a greenhouse gas per million molecules of dry air. ^ Fossil carbon dioxide emissions include those from the production, d...

Full article: http://www.ipcc.ch/publications_and_data/ar4/wg1/en/spmss...

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