Sentences with phrase «iris hypothesis»
The "iris hypothesis" refers to a theory suggesting that people's eye color can be linked to certain personality traits or traits related to their behavior. It proposes that individuals with different eye colors may have distinctive characteristics or tendencies. Full definition
However, within a year of Lindzen's iris hypothesis paper being published, four scientific groups had published their own studies finding significant flaws in his methods and assumptions, shown in dark blue in the first graphic above.
skepticalscience.com
The latter paper involves an unwarranted extrapolation of the IRIS hypothesis to early Earth (i.e., a negative feedback between temperatures and high clouds), a hypothesis which is highly controversial even in the modern day and has convincingly been shown to be highly exaggerated.
Overall, I think the debate over the iris hypothesis is a testament to the efforts the scientific community goes through to evaluate challenges to theories and find ways to improve our understanding of the climate (for instance, see Bill Ruddiman's post from last week).
Nevertheless, just because Lindzen et al. did not convincingly demonstrate their case does not mean the iris hypothesis is wrong.
In 2001, Prof. Richard Lindzen and colleagues published his «iris hypothesis» (Lindzen et al., 2001).
With that idea in mind, a new paper by Mauritsen and Stevens (2015) revisits the iris hypothesis.
The iris hypothesis has not withstood the test of time - subsequent research has found that if it exists, the effect is much smaller than originally hypothesized, and may even slightly amplify rather than reducing global warming.