Sentences with phrase «dryas impact hypothesis»

I ppoint to the Younger Dryas Impact Hypothesis as an example of that.
We also mentioned the paper «The Younger Dryas impact hypothesis: A requiem» with lead author Nicholas Pinter.
Joanne Ballard's Doctoral Dissertation was also on the Younger Dryas Impact Hypothesis, titled «Evidence of Late Quaternary Fires from Charcoal and siliceous Aggregates in Lake Sediments in the Eastern U.S.A.» Joanne was originally inspired by a presentation by Richard Firestone.
Shermer's article is a shallow and tendentious treatment of a complex subject that does not take proper account of rebuttals to critical attacks on the Younger Dryas impact hypothesis, in which a comet strike more than 12,000 years ago caused the megafaunal extinction in North America, and misrepresents the state of the argument around my theory that this event wiped out an advanced human society as well.
Now comes what some researchers consider the strongest attack yet on the Younger Dryas impact hypothesis.

Not exact matches

Meltzer and his colleagues tested that hypothesis by investigating the existing stratigraphic and chronological data sets reported in the published scientific literature and accepted as proof by cosmic - impact proponents, to determine if these markers dated to the onset of the Younger Dryas.
«The supposed Younger Dryas impact fails on both theoretical and empirical grounds,» says Meltzer, who adds that the popular appeal of the hypothesis is probably due to the way that it provides «simple explanations for complex problems.»
One other thing to point out about the Younger Dryas / Impact theory... They call upon the rapid break up of a portion of the Laurentide Ice Sheet culminating with the original freshwater routing hypothesis to explain the 1.3 kyr reduction in Atlantic overturning circulation.
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