NASA Discovers 70% Of Global Climate Due To Pacific Ocean Oscillations – Not CO2

One necessary result of low climate sensitivity is that the radiative forcing from greenhouse gas emissions in the last century is not nearly enough to explain the upward trend of 0.7 deg. C in the last 100 years. This raises the question of whether there are natural processes at work which have caused most of that warming.

On this issue, it can be shown with a simple climate model that small cloud fluctuations assumed to occur with two modes of natural climate variability — the El Nino/La Nina phenomenon (Southern Oscillation), and the Pacific Decadal Oscillation — can explain 70% of the warming trend since 1900, as well as the nature of that trend: warming until the 1940s, no warming until the 1970s, and resumed warming since then.

The gentlemen making this claim is the lead investigator one of NASA’s flagship Earth Observing Observatories (H/T Ice Cap).

http://strata-sphere.com/blog/index.php/archives/5693

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