________________
Temperature vs CO2 -- historical
Today's CH concentration
Implied temperature increase of
>10°C
400
Properly scaled 300 relationship -- about 3°C warming
800 700
Today's CO2 concentration
Pre-industrial value
Поливинтили илм
warm interglacial
wwwww
ww
300
cold glacial
вот что мини
8220
180
100,000
200,000
400,000
500,000
600,000
today
1/2 million years ago
-10°C
wowy
300,000 Age (yr BP)
Methane, temperature (from hydrogen isotope ratios ("SD") and carbon dioxide from the Dome C Ice core. (EPICA Project members, 2006).
-380
-420
440
We are currently at 390 ppm C02, 400,000 year historical high 290 ppm Currently 1850 ppb methane, 400,000 year historical high 700 ppb Milankovitch cycles: precession: 26,000 years, obliquity: 41,000 years http://www.realclimate.org/index.php/archives/2007/04/the-lag-between-temp-and-co2/
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