The Snowball Earth Hypothesis - Atmospheric and Oceanic Sciences
The Snowball Earth Hypothesis - Atmospheric and Oceanic Sciences
The Snowball Earth Hypothesis - Atmospheric and Oceanic Sciences
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Paper 2 Conclusions• Changes in solar luminosity - ~7% less luminousthan today – Doesn’t completely explain the<strong>Snowball</strong> hypothesis• Continents in the tropics was a critical boundarycondition• A concentration of tropical continents may loweratmospheric CO2 by intensifying the weatheringfeedback• Effective organic carbon burial over millions ofyears may have led to the buildup of methane
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