This last happened about 55 million years ago. The problem back then was a build up of very large areas of frozen, chemically caged methane under the sea beds of your world. Guess how the methane was built up. The methane was formed as a natural byproduct of quintillions of bacteria eating trillions of lbs organic matter in the low oxygen environments at the bottom of the ocean over a very long time. After millions of years, billions and billions of tons of carbon in the form of a type of methane ice suddenly hit its melting point. In just a few days, all of the methane was released from the deep ocean in gigantic explosive belches that filled the atmosphere with around 5 giga-tons of methane gas. Your planet was already warm because of a slow build up of CO2 in your atmosphere. The oceans had finally gotten warm enough to melt the frozen methane. Within a decade your entire world’s overall temperature soared by 6 °C. The methane combined, with the already high levels of water vapor and carbon dioxide in the atmosphere to create a super green house effect.
Posted on: Sun, 03 Aug 2014 13:26:02 +0000
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