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- Marcott Study
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Tag Archives: Ice Ages
Marcott – Proxy errors and conclusions
There has been a lot of discussion (see here) about the treatment of errors by Marcott et al. through their Monte Carlo analysis. Since I avoided any interpolation or Monte Carlo by using only the measured values for each proxy, … Continue reading
Posted in AGW, Climate Change, climate science, Science
Tagged Climate Change, CO2, Ice Ages, Marcott
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Detecting peaks in Marcott data
New: Simulation of a 20% uncertainty in proxy resolution time and peaks practically disappear. Have there been previous warming periods over the last 10,000 years comparable to current warming ? If so would Marcott proxy data have been able to … Continue reading
Posted in AGW, Climate Change, climate science, Ice Ages, Science
Tagged Climate Change, Ice Ages, Marcott
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Evidence of variations in solar irradiance with Earth’s orbit
Presented here is evidence of variations in solar irradiation as the Earth follows it’s elliptical orbit around the sun. It is proposed that these variations are due to changes in the density of dust clouds lying between the Earth and … Continue reading
Part 2: The real cause of Ice Ages ? – Resonant dust clouds ?
This post proposes that regular variations in interplanetary dust between the Earth and the Sun is the primary cause of recent ice ages whose oscillations have been parameterised here. The Milankowitz theory of insolation is able to well explain the continuous … Continue reading
What causes interglacials? Part 1.
The natural climate of Earth today is really an Ice Age with temperatures 2-4 degrees colder than today. For the last 1 million years glacial periods lasting about 80,000 years dominate interspersed with regular warmer interglacial periods lasting 10-20,000 years. … Continue reading
Phenomenology of Ice Ages
The exact cause and evolution of ice ages still remain a mystery [1]. Why did the Earth shift into an unstable climate with global oscillations of 4-5 degreesC every 100,000 years? What is the cause of the large scale glaciations … Continue reading
Ice Ages – still a mystery
For several million years the Earth has experienced regular galciations followed by shorter warmer periods roughly every 100,000 years. What causes this seemingly regular climate oscillation ? The textbook answer is that they are initiated by changes in the Earth’s … Continue reading