today's climate compared to those of Jurassic, Pliocene, Eemian, and why today is not normal
| today's climate compared to those of Jurassic, Pliocene, Eemian, and why today is not normal31-12-2015 01:28 | |
| Tai Hai Chen★★★★☆ (1085) |
Jurassic, 3 C warmer, CO2 1950 ppm, 60 million years ago, birds evolved Pliocene, 3 C warmer, CO2 415 ppm, 4 million years ago, big sharks Eemian, 3 C warmer, CO2 280 ppm, 125000 years ago, modern humans evolved https://en.wikipedia.org/wiki/Jurassic https://en.wikipedia.org/wiki/Pliocene https://en.wikipedia.org/wiki/Eemian https://scripps.ucsd.edu/programs/keelingcurve/2013/12/03/what-does-400-ppm-look-like/ If anyone thinks today's climate can be considered normal, I would disagree completely. Edited on 31-12-2015 01:32 |
| 31-12-2015 02:29 | |
IBdaMann ★★★★★(14888) |
Tai Hai Chen wrote: I have to ask, how was the average global atmospheric temperature of the Jurassic calculated? For what time/date was the temperature calculated? Same for the Pliocene. Into the Night has already shattered any hope of relationship between atmospheric CO2 levels and really anything else. p.s. - Can't you cite anything other than Wikipedia? You are begging for a summary dismissal of your entire thread. . I don't think i can [define it]. I just kind of get a feel for the phrase. - keepit A Spaghetti strainer with the faucet running, retains water- tmiddles Clouds don't trap heat. Clouds block cold. - Spongy Iris Printing dollars to pay debt doesn't increase the number of dollars. - keepit If Venus were a black body it would have a much much lower temperature than what we found there.- tmiddles Ah the "Valid Data" myth of ITN/IBD. - tmiddles Ceist - I couldn't agree with you more. But when money and religion are involved, and there are people who value them above all else, then the lies begin. - trafn You are completely misunderstanding their use of the word "accumulation"! - Climate Scientist. The Stefan-Boltzman equation doesn't come up with the correct temperature if greenhouse gases are not considered - Hank :*sigh* Not the "raw data" crap. - Leafsdude IB STILL hasn't explained what Planck's Law means. Just more hand waving that it applies to everything and more asserting that the greenhouse effect 'violates' it.- Ceist |
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